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Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1970
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 [ ] [ ] [ ] [ ] [ ] 471.0 "1290 #1909 # 705.9 "1002 # 263.6 " 82.74 " 1
2 [ ] [ ] [ ] [ ] [ ] 406.7 "1966 #1606 # 711.8 " 961.8 # 250.0 " 80.99 " 2
3 [ ] [ ] [ ] [ ] [ ] 283.9 "1639 #1356 # 775.0 "1250 # 262.7 " 78.90 " 3
4 [ ] [ ] [ ] [ ] [ ] 189.9 "1238 #1137 # 727.4 "1782 # 328.2 " 67.24 " 4
5 [ ] [ ] [ ] [ ] [ ] 198.1 "1027 # 998.8 # 724.4 "1841 # 325.9 " 62.61 " 5
6 [ ] [ ] [ ] [ ] [ ] 350.3 " 911.2 # 888.0 # 741.4 #1714 # 322.4 " 59.34 " 6
7 [ ] [ ] [ ] [ ] [ ] 388.3 " 822.4 # 811.3 #1185 #1546 # 321.3 " 55.66 " 7
8 [ ] [ ] [ ] [ ] [ ] 381.6 " 744.9 " 829.8 #1443 #1282 # 301.3 " 52.30 " 8
9 [ ] [ ] [ ] [ ] [ ] 247.8 " 674.4 " 825.6 #1477 #1085 # 274.4 " 51.75 " 9
10 [ ] [ ] [ ] [ ] [ ] 242.3 " 602.0 " 784.8 "1244 # 952.6 # 252.2 " 50.56 " 10
11 [ ] [ ] [ ] [ ] [ ] 803.3 # 554.0 " 755.5 "1033 # 827.5 # 239.8 " 45.95 " 11
12 [ ] [ ] [ ] [ ] [ ] 879.8 # 535.4 " 683.8 " 879.0 # 746.8 " 239.3 " 43.98 " 12
13 [ ] [ ] [ ] [ ] [ ] 638.9 " 533.5 " 621.0 " 783.8 " 685.4 " 240.7 " 42.55 " 13
14 [ ] [ ] [ ] [ ] [ ] 653.7 " 515.5 " 565.7 " 750.7 " 628.8 " 237.2 " 38.42 " 14
15 [ ] [ ] [ ] [ ] [ ] 597.9 " 479.4 " 530.0 " 694.9 " 580.4 " 209.3 " 32.81 " 15
16 [ ] [ ] [ ] [ ] [ ] 413.5 " 452.2 " 501.7 " 648.9 " 540.9 " 197.8 " 29.75 " 16
17 [ ] [ ] [ ] [ ] [ ] 480.6 " 415.6 " 517.8 " 603.3 " 501.2 " 181.0 " 27.94 " 17
18 [ ] [ ] [ ] [ ] [ ] 786.5 # 385.9 " 756.4 # 574.2 " 471.5 " 163.3 " 24.86 " 18
19 [ ] [ ] [ ] [ ] [ ] 828.2 # 374.6 " 899.1 # 565.1 " 438.9 " 147.1 " 22.04 " 19
20 [ ] [ ] [ ] [ ] [ ] 834.6 # 364.9 "1027 # 603.8 " 416.3 " 139.9 " 21.64 " 20
21 [ ] [ ] [ ] [ ] 1.163$ 776.8 # 348.9 "1053 # 774.5 # 399.6 " 130.7 " 17.95 " 21
22 [ ] [ ] [ ] [ ] 1.104$ 922.1 # 504.8 #1020 # 865.2 # 379.4 " 122.0 " 17.92 " 22
23 [ ] [ ] [ ] [ ] 1.453$1502 #1695 # 920.5 # 979.2 # 360.5 " 116.6 " 16.65 " 23
24 [ ] [ ] [ ] [ ] 2.856"1391 #2501 # 934.1 #1043 # 340.2 " 115.0 " 14.68 " 24
25 [ ] [ ] [ ] [ ] 4.623"1331 #2042 #1673 # 981.8 # 320.7 " 110.9 " 12.70 " 25
26 [ ] [ ] [ ] [ ] 7.371"1257 #1932 #1324 #1017 # 312.3 " 104.4 " 10.60 " 26
27 [ ] [ ] [ ] [ ] 8.623"1575 #2461 #1185 # 944.4 # 311.5 " 97.70 " 10.70 " 27
28 [ ] [ ] [ ] [ ] 8.669"2096 #1909 #1096 # 862.6 # 326.2 " 94.84 " 9.970" 28
29 [ ] [ ] [ ] 8.737"1947 #2492 # 993.4 # 847.2 # 313.5 " 92.87 " 8.721" 29
30 [ ] [ ] [ ] 41.80 "1408 #2257 # 860.4 # 866.5 # 296.5 " 88.81 " 8.111" 30
31 [ ] [ ] 358.0 " 2134 # 778.6 " 278.8 " 7.570" 31
Mean [ ] [ ] [ ] [ ] 40.40 $ 809.4 #1155 # 962.7 # 868.4 # 738.5 # 199.0 " 35.73 "
Median [ ] [ ] [ ] [ ] 7.371$ 715.3 # 822.4 # 899.1 # 815.5 # 540.9 # 203.6 " 29.75 "
Maximum [ ] [ ] [ ] [ ] 358.0 $2096 #2501 #1909 #1477 #1841 # 328.2 " 82.74 "
Minimum [ ] [ ] [ ] [ ] 1.104$ 189.9 # 348.9 # 501.7 # 565.1 # 278.8 # 88.81 " 7.570"
Total [ ] [ ] [ ] [ ] 444.4 $24283 #35803 #29842 #26053 #22893 # 5971 " 1108 "
Missing Days 31 28 31 30 20 0 0 0 0 0 0 0
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 650.7 $ " ... Relative Uncertainty +/-10%
Ann. Median 535.4 $ # ... Relative Uncertainty +/-15%
Annual Total 146398 $ $ ... Relative Uncertainty +/-20%
Missing Days 140 [ ... Not Available
Maximum Minimum
Daily 2501 $ 1.104$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1971
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 7.640" 1.092$ 0.327$ 0.542$ 0.599$ 235.1 " 247.1 " 593.3 " 317.3 "1430 # 334.4 " 135.8 " 1
2 6.929" 0.641$ 0.284$ 0.542$ 0.599$ 157.0 " 213.2 " 576.7 " 292.5 "1308 # 332.6 " 123.7 " 2
3 6.212" 0.592$ 0.289$ 0.542$ 0.560$ 143.5 " 438.9 " 548.3 " 278.9 "1110 # 328.8 " 117.1 " 3
4 6.304" 0.587$ 0.326$ 0.521$ 0.489$ 119.8 " 547.8 " 557.1 " 290.6 " 986.2 # 303.5 " 113.0 " 4
5 6.005" 0.515$ 0.307$ 0.463$ 0.489$ 102.4 " 450.2 " 502.1 " 341.3 "1219 # 295.0 " 107.3 " 5
6 5.205" 0.515$ 0.307$ 0.463$ 0.498$ 140.0 " 397.4 " 441.8 " 369.6 "1085 # 283.0 " 103.9 " 6
7 6.924" 0.515$ 0.307$ 0.463$ 0.516$ 174.8 " 381.9 " 420.7 " 400.1 "1040 # 265.6 " 95.74 " 7
8 10.05 " 0.515$ 0.280$ 0.463$ 0.542$ 169.2 " 337.7 " 390.5 " 482.6 "1163 # 246.8 " 90.38 " 8
9 10.53 " 0.515$ 0.246$ 0.463$ 0.528$ 514.7 " 283.4 " 359.6 " 507.3 "1039 # 231.7 " 87.55 " 9
10 10.62 " 0.515$ 0.231$ 0.502$ 0.515$ 640.0 " 253.5 " 320.0 " 474.5 " 866.6 # 229.1 " 87.08 " 10
11 9.763" 0.521$ 0.229$ 0.515$ 0.515$ 457.7 " 250.1 " 296.3 " 418.2 " 749.5 " 225.0 " 85.58 " 11
12 8.448" 0.387$ 0.234$ 0.563$ 0.515$ 369.3 " 240.3 " 284.6 " 408.1 " 677.8 " 219.8 " 82.98 " 12
13 7.272" 0.380$ 0.234$ 0.610$ 0.916$ 261.0 " 234.3 " 291.4 " 696.7 # 644.6 " 223.5 " 79.39 " 13
14 6.193" 0.391$ 0.234$ 0.515$ 3.247$ 210.9 " 346.5 " 290.8 " 798.8 # 707.7 " 228.1 " 71.98 " 14
15 5.580" 0.391$ 0.234$ 0.515$ 3.570" 200.8 " 360.0 " 378.0 " 701.8 " 713.1 " 237.7 " 65.23 " 15
16 5.087" 0.391$ 0.234$ 0.389$ 2.981" 274.8 " 321.6 " 568.4 " 635.5 " 628.0 " 314.3 " 59.82 " 16
17 3.989" 0.391$ 0.234$ 0.297$ 2.688" 370.6 " 375.7 " 613.9 " 609.6 " 600.9 " 313.9 " 52.11 " 17
18 3.508" 0.391$ 0.234$ 0.276$ 2.688" 323.8 " 338.7 " 536.2 " 606.2 " 576.9 " 272.1 " 46.42 " 18
19 3.105" 0.391$ 0.234$ 0.255$ 2.696" 271.8 " 298.4 " 478.8 " 603.9 " 547.9 " 254.3 " 41.12 " 19
20 2.757" 0.391$ 0.218$ 0.237$ 3.920" 263.1 " 276.3 " 439.8 " 611.2 " 555.9 " 245.2 " 38.28 " 20
21 2.757" 0.391$ 0.218$ 0.219$ 4.737" 277.7 " 286.6 " 426.3 " 608.2 " 565.2 " 220.8 " 34.15 " 21
22 2.501$ 0.371$ 0.218$ 0.200$ 5.851" 230.8 " 253.3 " 452.5 " 630.4 " 565.8 " 207.5 " 33.90 " 22
23 1.917$ 0.297$ 0.218$ 0.183$ 42.18 " 200.7 " 229.3 " 414.6 " 633.9 " 563.7 " 206.1 " 31.56 " 23
24 1.417$ 0.251$ 0.218$ 0.168$ 81.40 " 179.5 " 268.4 " 393.5 " 758.4 # 526.9 " 211.5 " 28.91 " 24
25 1.664$ 0.251$ 0.218$ 0.197$ 58.71 " 168.3 " 464.2 " 357.5 " 891.2 # 491.6 " 208.6 " 25.85 " 25
26 1.586$ 0.241$ 0.218$ 0.181$ 44.74 " 160.3 " 414.9 " 412.5 " 826.6 # 484.5 " 197.5 " 25.07 " 26
27 1.409$ 0.244$ 0.753$ 0.233$ 37.12 " 150.2 " 453.2 " 546.7 " 745.4 " 465.9 " 191.3 " 24.46 " 27
28 1.242$ 0.327$ 1.141$ 0.321$ 35.30 " 145.9 " 459.1 " 460.2 " 714.6 " 429.7 " 174.5 " 22.50 " 28
29 1.098$ 1.138$ 0.515$ 43.33 " 141.0 " 456.3 " 421.2 " 785.8 # 407.0 " 158.7 " 21.65 " 29
30 1.098$ 0.597$ 0.528$ 169.2 " 198.2 " 554.4 " 381.3 "1496 # 384.5 " 147.3 " 19.99 " 30
31 1.099$ 0.542$ 357.3 " 673.4 " 345.1 " 359.4 " 19.29 " 31
Mean 4.835$ 0.443$ 0.345$ 0.396$ 29.32 $ 241.8 " 358.3 " 435.5 " 597.8 # 738.5 # 243.6 " 63.61 "
Median 5.087$ 0.391$ 0.234$ 0.463$ 2.696$ 200.8 " 338.7 " 421.2 " 608.9 # 628.0 # 230.4 " 59.82 "
Maximum 10.62 $ 1.092$ 1.141$ 0.610$ 357.3 $ 640.0 " 673.4 " 613.9 "1496 #1430 # 334.4 " 135.8 "
Minimum 1.098$ 0.241$ 0.218$ 0.168$ 0.489$ 102.4 " 213.2 " 284.6 " 278.9 # 359.4 # 147.3 " 19.29 "
Total 149.9 $ 12.40$ 10.70$ 11.88$ 908.9 $ 7253 "11106 "13499 "17935 #22894 # 7308 " 1972 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 227.6 $ " ... Relative Uncertainty +/-10%
Ann. Median 140.0 $ # ... Relative Uncertainty +/-15%
Annual Total 83061 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1496 $ 0.168$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1972
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 17.94 " 0.630$ 0.010$ 0.099$ 0.369$ 8.221" 108.0 " 388.0 " 764.7 " 298.0 " 151.0 " 16.73 " 1
2 16.41 " 0.623$ 0.010$ 0.088$ 0.441$ 34.36 " 424.3 " 929.9 # 719.7 " 423.4 " 141.4 " 14.45 " 2
3 14.82 " 0.599$ 0.011$ 0.088$ 0.485$ 43.47 " 682.0 "1391 # 672.0 " 439.0 " 138.2 " 14.16 " 3
4 12.09 " 0.590$ 0.027$ 0.111$ 0.419$ 33.95 " 428.7 " 987.6 # 746.3 " 413.0 " 132.2 " 13.38 " 4
5 11.44 " 0.556$ 0.041$ 0.140$ 0.414$ 29.81 " 363.1 " 712.8 " 792.9 " 385.3 " 126.2 " 11.43 " 5
6 10.27 " 0.458$ 0.031$ 0.140$ 0.447$ 28.59 " 268.3 " 645.3 " 794.8 " 320.1 " 113.7 " 10.49 " 6
7 9.610" 0.347$ 0.010$ 0.372$ 0.464$ 27.01 " 222.2 " 650.6 " 787.7 " 301.1 " 91.54 " 9.069" 7
8 9.144" 0.347$ 0.034$ 0.463$ 0.486$ 26.69 " 352.4 " 518.7 " 719.9 " 323.8 " 87.62 " 8.168" 8
9 8.705" 0.347$ 0.030$ 0.463$ 0.483$ 22.54 " 434.5 " 438.5 " 655.1 " 354.7 " 82.46 " 6.598" 9
10 8.189" 0.327$ 0.017$ 0.391$ 0.451$ 18.57 " 414.3 " 385.1 " 651.6 " 355.1 " 78.71 " 5.547" 10
11 7.847" 0.327$ 0.016$ 0.307$ 0.391$ 16.21 " 350.3 " 338.0 " 661.3 " 346.2 " 75.70 " 4.782" 11
12 6.741" 0.327$ 0.013$ 0.291$ 0.409$ 14.28 " 380.8 " 296.4 " 620.1 " 285.4 " 71.23 " 3.397" 12
13 5.662" 0.327$ 0.007$ 0.263$ 0.444$ 19.07 " 514.5 " 280.0 " 586.2 " 244.5 " 66.34 " 2.992" 13
14 4.967" 0.284$ 0.005$ 0.251$ 0.463$ 23.72 " 495.5 " 277.6 " 559.6 " 221.5 " 62.33 " 2.965" 14
15 4.397" 0.202$ 0.008$ 0.306$ 0.418$ 46.32 " 384.7 " 269.2 " 555.3 " 204.2 " 58.68 " 2.484$ 15
16 3.970" 0.201$ 0.003$ 0.304$ 0.408$ 44.23 " 304.4 " 806.1 # 619.6 " 193.5 " 54.97 " 2.353$ 16
17 3.745" 0.127$ 0.000$ 0.234$ 0.463$ 32.38 " 383.3 "1617 # 741.5 " 181.4 " 53.80 " 2.179$ 17
18 2.977" 0.133$ 0.001$ 0.242$ 0.392$ 27.11 " 522.5 "1400 # 662.4 " 167.1 " 49.92 " 1.975$ 18
19 2.899" 0.062$ 0.001$ 0.459$ 0.391$ 23.50 " 491.5 "1601 # 562.1 " 161.6 " 45.95 " 1.647$ 19
20 2.899" 0.049$ 0.001$ 0.589$ 0.391$ 20.82 " 365.3 "1754 # 503.8 " 153.8 " 43.14 " 1.112$ 20
21 2.899" 0.034$ 0.001$ 0.507$ 0.447$ 33.76 " 302.7 "1449 # 457.4 " 146.3 " 39.75 " 1.038$ 21
22 2.689$ 0.056$ 0.001$ 0.522$ 0.463$ 64.69 " 283.3 "1289 # 418.9 " 141.2 " 36.83 " 0.879$ 22
23 2.369$ 0.049$ 0.003$ 0.570$ 0.460$ 71.94 " 462.1 "1250 # 398.0 " 140.1 " 33.55 " 0.769$ 23
24 1.461$ 0.034$ 0.005$ 0.423$ 0.391$ 61.99 " 518.9 "1174 # 374.3 " 130.6 " 29.56 " 0.622$ 24
25 1.049$ 0.031$ 0.005$ 0.391$ 0.391$ 167.3 " 401.7 "1252 # 342.4 " 123.5 " 27.23 " 0.528$ 25
26 0.832$ 0.028$ 0.017$ 0.391$ 0.391$ 336.2 " 355.0 "1240 # 319.9 " 115.8 " 24.69 " 0.485$ 26
27 0.757$ 0.028$ 0.068$ 0.391$ 0.391$ 323.8 " 309.5 "1235 # 303.4 " 119.5 " 21.57 " 0.463$ 27
28 0.757$ 0.028$ 0.125$ 0.391$ 0.281$ 235.5 " 296.3 "1225 # 280.7 " 167.9 " 18.82 " 0.462$ 28
29 0.757$ 0.016$ 0.136$ 0.369$ 0.417$ 163.8 " 283.2 "1088 # 274.6 " 188.3 " 17.36 " 0.438$ 29
30 0.744$ 0.140$ 0.369$ 4.278$ 130.2 " 314.8 "1016 # 264.2 " 188.6 " 18.17 " 0.420$ 30
31 0.649$ 0.114$ 8.948" 433.5 " 856.9 # 175.7 " 0.312$ 31
Mean 5.796$ 0.247$ 0.029$ 0.331$ 0.822$ 71.00 " 382.3 " 927.8 # 560.3 " 239.0 " 66.42 " 4.591$
Median 3.970$ 0.202$ 0.010$ 0.369$ 0.419$ 33.07 " 380.8 " 987.6 # 602.9 " 193.5 " 56.83 " 2.353$
Maximum 17.94 $ 0.630$ 0.140$ 0.589$ 8.948$ 336.2 " 682.0 "1754 # 794.8 " 439.0 " 151.0 " 16.73 $
Minimum 0.649$ 0.016$ 0.000$ 0.088$ 0.281$ 8.221" 108.0 " 269.2 # 264.2 " 115.8 " 17.36 " 0.312$
Total 179.7 $ 7.17$ 0.89$ 9.93$ 25.49$ 2130 "11852 "28762 #16810 " 7410 " 1993 " 142.3 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 189.4 $ " ... Relative Uncertainty +/-10%
Ann. Median 16.31 $ # ... Relative Uncertainty +/-15%
Annual Total 69322 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1754 $ 0.000$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1973
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.287$ 0.114$ 0.028$ 0.057$ 2.392$ 261.4 " 656.8 "1498 #1219 #1092 # 484.8 " 93.78 " 1
2 0.314$ 0.126$ 0.028$ 0.066$ 5.661" 181.5 " 624.6 "1345 #1331 # 936.6 # 487.3 " 92.62 " 2
3 0.275$ 0.126$ 0.028$ 0.066$ 6.298" 150.9 " 582.9 "1224 #1263 # 836.1 # 426.5 " 90.99 " 3
4 0.156$ 0.124$ 0.028$ 0.066$ 7.749" 137.2 " 529.4 "1162 #1077 # 751.5 " 384.3 " 88.59 " 4
5 0.156$ 0.112$ 0.028$ 0.066$ 7.712" 122.0 " 493.7 "1401 # 942.1 # 670.5 " 376.6 " 86.91 " 5
6 0.154$ 0.112$ 0.032$ 0.066$ 7.467" 381.2 " 516.8 "1711 # 841.3 # 607.2 " 350.2 " 84.85 " 6
7 0.140$ 0.112$ 0.028$ 0.066$ 8.853" 653.9 " 625.1 "1996 # 784.0 # 562.0 " 332.4 " 81.62 " 7
8 0.140$ 0.112$ 0.023$ 0.071$ 28.22 " 732.2 # 899.9 #1710 # 937.7 # 524.2 " 336.7 " 76.66 " 8
9 0.130$ 0.117$ 0.028$ 2.711$ 31.70 " 782.7 #1032 #1664 # 945.2 # 505.4 $ 376.7 " 72.03 " 9
10 0.113$ 0.126$ 0.028$ 1.498$ 35.24 " 604.9 "1096 #2251 #1056 # 488.1 $ 391.5 " 67.14 " 10
11 0.087$ 0.126$ 0.028$ 0.848$ 34.75 " 519.2 " 821.1 #2238 #1521 # 470.9 $ 400.0 " 63.39 " 11
12 0.113$ 0.119$ 0.028$ 0.791$ 35.70 "1030 # 770.8 #2121 #1400 # 545.1 $ 357.3 " 62.29 " 12
13 0.124$ 0.112$ 0.028$ 0.772$ 49.46 "1346 #1162 #2108 #1159 # 568.1 $ 321.1 " 60.67 " 13
14 0.156$ 0.112$ 0.028$ 0.694$ 63.03 "1004 #1377 #1794 #1078 # 530.8 $ 305.4 " 58.99 " 14
15 0.156$ 0.112$ 0.028$ 0.647$ 53.44 " 751.3 "1940 #1748 #1348 # 562.0 $ 301.4 " 55.74 " 15
16 0.155$ 0.112$ 0.028$ 1.202$ 38.61 " 733.7 "1318 #1681 #1339 # 527.8 $ 286.6 " 52.49 " 16
17 0.140$ 0.087$ 0.032$ 0.947$ 31.01 " 798.9 #1329 #1418 #1336 # 477.4 $ 271.5 " 49.11 " 17
18 0.140$ 0.058$ 0.034$ 0.899$ 26.37 "1545 #1592 #1221 #1548 # 446.4 $ 251.4 " 45.22 " 18
19 0.135$ 0.029$ 0.034$ 0.899$ 24.22 "1296 #1770 #1050 #1376 # 434.1 $ 228.4 " 41.91 " 19
20 0.126$ 0.022$ 0.034$ 0.934$ 25.17 #1235 #1615 # 783.4 #1157 # 406.8 $ 207.9 " 37.64 " 20
21 0.126$ 0.022$ 0.032$ 0.936$ 29.38 #1166 #2426 # 866.2 #1041 # 374.9 $ 189.7 " 34.24 " 21
22 0.123$ 0.022$ 0.032$ 0.818$ 24.74 #1525 #2043 # 915.6 #1053 # 360.4 $ 173.8 " 32.01 " 22
23 0.112$ 0.022$ 0.018$ 5.746$ 25.53 #1756 #1777 # 911.8 #1049 # 348.5 $ 160.4 " 30.03 " 23
24 0.137$ 0.022$ 0.026$ 3.336" 31.52 #1406 #3263 &1035 #1545 # 393.6 $ 149.2 " 27.53 " 24
25 0.154$ 0.023$ 0.028$ 2.935$ 25.79 #1089 #2986 #1176 #1796 # 446.8 $ 139.9 " 25.83 " 25
26 0.140$ 0.028$ 0.028$ 2.338$ 22.20 # 915.4 #2699 #1286 #1551 # 432.6 $ 129.7 " 24.51 " 26
27 0.129$ 0.028$ 0.041$ 2.049$ 36.09 # 768.4 #2418 #1362 #1299 # 468.4 $ 118.0 " 22.33 " 27
28 0.112$ 0.028$ 0.048$ 3.387$ 83.94 # 687.9 "2457 #1332 #1133 # 471.9 $ 107.1 " 20.33 " 28
29 0.112$ 0.048$ 3.177$ 146.1 # 706.6 "2276 #1342 #1289 # 429.5 $ 100.5 " 19.77 " 29
30 0.112$ 0.048$ 2.314$ 276.6 # 694.8 "2101 #1244 #1326 # 411.1 $ 95.81 " 17.94 " 30
31 0.112$ 0.048$ 355.1 " 1849 #1092 # 472.3 $ 16.30 " 31
Mean 0.147$ 0.081$ 0.031$ 1.347$ 50.97 $ 832.8 #1518 &1442 #1225 # 534.0 $ 274.7 " 52.69 "
Median 0.137$ 0.112$ 0.028$ 0.899$ 29.38 $ 759.9 #1377 &1345 #1241 # 477.4 $ 294.0 " 52.49 "
Maximum 0.314$ 0.126$ 0.048$ 5.746$ 355.1 $1756 #3263 &2251 #1796 #1092 $ 487.3 " 93.78 "
Minimum 0.087$ 0.022$ 0.018$ 0.057$ 2.392$ 122.0 # 493.7 & 783.4 # 784.0 # 348.5 $ 95.81 " 16.30 "
Total 4.56$ 2.26$ 0.97$ 40.40$ 1580 $24983 #47048 &44689 #36739 #16553 $ 8242 " 1633 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 497.3 & " ... Relative Uncertainty +/-10%
Ann. Median 118.0 & # ... Relative Uncertainty +/-15%
Annual Total 181515 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3263 & 0.018&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1974
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 14.65 " 11.50 " 0.429$ 0.179$ 1.576$ 980.2 #1204 #3770 & 666.5 " 301.5 " 383.9 " 99.80 " 1
2 12.42 " 9.266" 0.330$ 0.187$ 1.890$1171 #1814 #3722 & 642.4 " 282.9 " 365.1 " 94.69 " 2
3 11.56 " 8.954" 0.303$ 0.182$ 2.267$1002 #1748 #3105 & 631.9 " 268.7 " 347.3 " 89.76 " 3
4 10.92 " 8.574" 0.307$ 1.045$ 11.89 "1152 #2151 #4832 & 628.6 " 266.3 " 314.8 " 85.90 " 4
5 10.35 " 7.136" 0.307$ 1.164$ 21.06 "1013 #1399 #4105 & 606.1 " 266.1 " 283.9 " 81.78 " 5
6 9.736" 5.786" 0.307$ 0.717$ 26.10 " 789.5 #1089 #3379 & 567.8 " 264.1 " 258.3 " 77.11 " 6
7 8.483" 4.807" 0.307$ 0.613$ 21.40 " 657.5 " 910.9 #2444 # 536.1 " 342.6 " 238.1 " 73.01 " 7
8 7.077" 4.196" 0.307$ 0.508$ 14.70 " 565.1 " 818.1 #1979 # 509.5 " 391.0 " 221.7 " 69.42 " 8
9 6.596" 4.045" 0.307$ 0.486$ 21.33 " 480.4 "1600 #1888 # 482.8 " 401.3 " 209.7 " 66.99 " 9
10 6.250" 4.514" 0.295$ 0.483$ 113.1 " 412.8 "1692 #1683 # 460.1 " 363.2 " 199.8 " 64.75 " 10
11 5.678" 4.571" 0.237$ 0.479$ 344.9 " 359.9 "2259 #1450 # 448.2 " 337.4 " 192.0 " 64.66 " 11
12 4.789" 4.462" 0.236$ 0.463$ 344.5 " 323.5 "2194 #1524 # 446.2 " 308.0 " 181.8 " 63.52 " 12
13 4.258" 3.932" 0.365$ 1.011$ 200.1 " 296.5 "2352 #1979 # 443.7 " 275.1 " 171.4 " 61.63 " 13
14 3.919" 3.334" 0.413$ 3.966$ 133.2 " 272.1 "2856 #1596 # 435.5 " 257.6 " 162.0 " 61.21 " 14
15 3.190" 3.111" 0.369$ 1.542$ 103.0 " 254.0 "2704 #1401 # 420.9 " 250.8 " 153.0 " 57.91 " 15
16 2.682$ 3.087" 0.363$ 1.054$ 98.32 " 235.7 "4033 &1289 # 399.1 " 238.5 " 144.9 " 53.40 " 16
17 2.223$ 3.066" 0.252$ 0.640$ 93.89 " 229.7 "3714 &1148 # 408.6 " 228.0 " 141.0 " 51.91 " 17
18 1.898$ 1.884$ 0.128$ 0.570$ 86.74 " 221.8 "3115 #1107 # 518.8 " 219.3 " 146.8 " 46.95 " 18
19 1.479$ 0.936$ 0.120$ 0.570$ 86.45 " 204.2 "2629 #1320 # 510.6 " 219.0 " 154.9 " 43.13 " 19
20 1.229$ 0.723$ 0.239$ 0.570$ 85.35 " 191.1 "2197 #1377 # 516.1 " 270.8 " 185.9 " 38.66 " 20
21 1.075$ 0.718$ 0.260$ 1.201$ 75.76 " 184.2 "1814 #1298 # 493.6 " 379.8 " 195.3 " 34.82 " 21
22 0.890$ 0.686$ 0.254$ 3.153" 64.02 " 255.6 "1856 #1917 # 450.3 " 391.1 " 185.2 " 31.94 " 22
23 0.936$ 0.685$ 0.258$ 2.888" 55.45 " 991.0 #1924 #1700 # 404.0 " 505.7 " 170.9 " 27.72 " 23
24 1.383$ 0.675$ 0.239$ 2.746$ 109.6 "1081 #2230 #1532 # 363.7 " 479.1 " 154.8 " 26.15 " 24
25 1.501$ 0.665$ 0.221$ 2.305$ 297.7 " 957.9 #2983 #1480 # 338.2 " 411.7 " 147.6 " 25.05 " 25
26 1.440$ 0.614$ 0.203$ 2.238$ 462.9 "2030 #2916 #1201 # 319.0 " 380.7 " 137.1 " 23.58 " 26
27 6.734$ 0.526$ 0.188$ 2.050$ 537.3 "1934 #2362 #1041 # 301.0 " 365.7 " 126.7 " 22.44 " 27
28 24.47 " 0.463$ 0.173$ 1.845$ 487.1 "1457 #1980 # 925.0 # 291.4 " 332.8 " 117.8 " 21.57 " 28
29 25.30 " 0.173$ 1.720$ 680.0 "1194 #4195 & 834.2 # 308.1 " 351.4 " 109.7 " 19.89 " 29
30 16.19 " 0.162$ 1.570$ 688.8 " 928.3 #3537 & 763.1 " 320.4 " 454.2 " 104.2 " 18.62 " 30
31 14.80 " 0.169$ 815.6 # 3342 # 713.1 " 400.7 " 16.39 " 31
Mean 7.229$ 3.676$ 0.265$ 1.272$ 196.3 $ 727.5 #2310 &1887 & 462.3 " 329.2 " 196.9 " 52.08 "
Median 5.678$ 3.222$ 0.258$ 1.028$ 93.89 $ 611.3 #2197 &1524 & 449.3 " 332.8 " 176.6 " 53.40 "
Maximum 25.30 $ 11.50 $ 0.429$ 3.966$ 815.6 $2030 #4195 &4832 & 666.5 " 505.7 " 383.9 " 99.80 "
Minimum 0.890$ 0.463$ 0.120$ 0.179$ 1.576$ 184.2 # 818.1 & 713.1 & 291.4 " 219.0 " 104.2 " 16.39 "
Total 224.1 $ 102.9 $ 8.22$ 38.15$ 6086 $21825 #71619 &58500 &13869 "10205 " 5906 " 1614 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 520.5 & " ... Relative Uncertainty +/-10%
Ann. Median 154.8 & # ... Relative Uncertainty +/-15%
Annual Total 189997 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4832 & 0.120&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1975
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 15.29 " 0.588$ 0.112$ 2.671$ 0.467$ 145.1 " 866.1 #1795 # 553.4 " 490.2 " 195.7 " 78.00 " 1
2 14.74 " 0.470$ 0.112$ 2.960" 0.418$ 191.6 " 967.1 #1505 # 541.7 " 449.1 " 193.3 " 74.95 " 2
3 13.73 " 0.380$ 0.110$ 3.791" 0.421$ 134.4 " 841.4 #1609 # 504.2 " 421.1 " 185.0 " 69.75 " 3
4 12.87 " 0.369$ 0.109$ 3.732" 0.658$ 107.3 " 721.4 "1338 # 471.8 " 394.1 " 177.8 " 64.08 " 4
5 11.97 " 0.369$ 0.105$ 2.957" 9.039$ 93.29 " 703.2 #1135 # 448.7 " 381.4 " 171.0 " 60.61 " 5
6 11.17 " 0.363$ 0.108$ 2.468$ 58.26 " 149.3 " 928.4 #1002 # 435.5 " 412.8 " 159.7 " 56.39 " 6
7 10.80 " 0.318$ 0.113$ 2.113$ 39.42 " 489.9 " 769.0 # 989.7 # 421.7 " 414.8 " 151.1 " 52.20 " 7
8 10.78 " 0.305$ 0.247$ 1.931$ 23.43 " 420.8 " 662.3 " 974.2 # 449.0 " 412.0 " 142.6 " 47.94 " 8
9 10.21 " 0.276$ 0.361$ 1.728$ 15.69 " 312.6 " 648.1 " 929.7 # 448.0 " 403.0 " 136.0 " 43.31 " 9
10 10.01 " 0.221$ 0.368$ 1.436$ 12.06 " 235.8 " 723.4 # 901.4 # 423.2 " 431.1 " 126.9 " 40.18 " 10
11 9.293" 0.229$ 0.356$ 1.143$ 10.15 " 186.6 "1479 # 832.6 # 442.2 " 412.3 " 120.3 " 37.93 " 11
12 8.192" 0.220$ 0.262$ 1.102$ 9.333" 154.8 "1717 # 753.3 " 466.3 " 383.9 " 115.0 " 34.16 " 12
13 7.232" 0.219$ 0.235$ 1.016$ 8.991" 135.9 "1578 # 686.8 " 457.6 " 361.3 " 110.9 " 33.27 " 13
14 6.242" 0.221$ 0.247$ 1.016$ 8.140" 135.7 "1225 # 634.4 " 441.4 " 335.3 " 107.1 " 31.11 " 14
15 6.072" 0.175$ 0.234$ 0.913$ 7.752" 174.6 "1061 # 586.6 " 447.0 " 313.3 " 104.3 " 28.17 " 15
16 5.264" 0.123$ 0.163$ 0.768$ 7.050" 264.8 "1370 # 656.4 " 558.8 " 308.8 " 124.2 " 26.69 " 16
17 4.526" 0.438$ 0.153$ 0.674$ 6.880" 430.8 "2323 # 938.8 # 627.9 " 359.8 " 175.2 " 24.24 " 17
18 4.000" 0.798$ 0.151$ 0.612$ 8.327" 473.7 "2373 #1212 # 595.2 " 499.7 " 188.4 " 22.93 " 18
19 3.916" 0.423$ 0.159$ 0.609$ 30.68 " 370.6 "1841 #1579 # 693.2 # 395.0 " 191.8 " 21.15 " 19
20 3.706" 0.317$ 0.259$ 0.598$ 110.0 " 490.2 "1688 #1537 #1280 # 357.0 " 185.3 " 19.50 " 20
21 3.087" 0.724$ 0.322$ 0.599$ 167.7 " 763.6 #1396 #1363 #1288 # 331.5 " 161.4 " 17.76 " 21
22 2.776$ 0.463$ 0.324$ 0.599$ 120.7 " 563.1 "1211 #1101 #1036 # 298.0 " 144.0 " 15.38 " 22
23 2.546$ 0.304$ 0.334$ 0.597$ 73.37 " 566.3 "1072 # 966.5 # 892.8 # 274.6 " 131.4 " 13.10 " 23
24 2.411$ 0.159$ 0.301$ 0.545$ 54.52 "1133 #1011 # 914.5 # 769.5 " 255.1 " 120.6 " 11.66 " 24
25 2.050$ 0.093$ 0.304$ 0.541$ 49.14 "1117 # 905.0 # 894.0 # 668.8 " 238.5 " 113.0 " 10.50 " 25
26 1.903$ 0.091$ 0.303$ 0.515$ 45.25 "1031 # 875.0 # 895.8 # 650.7 " 229.7 " 105.4 " 9.966" 26
27 1.617$ 0.091$ 0.307$ 0.515$ 166.2 "1212 #1477 # 794.0 # 622.0 " 228.2 " 101.0 " 9.802" 27
28 1.356$ 0.104$ 0.304$ 0.515$ 282.9 "1031 #1572 # 726.0 " 589.1 " 224.7 " 96.01 " 10.02 " 28
29 1.103$ 0.566$ 0.515$ 119.0 " 791.8 #3070 # 669.1 " 573.7 " 217.2 " 91.18 " 9.969" 29
30 0.804$ 2.285$ 0.515$ 164.8 " 729.9 "2760 # 627.1 " 532.9 " 208.2 " 83.37 " 9.345" 30
31 0.685$ 2.408$ 151.8 " 2201 # 582.6 " 202.1 " 8.833" 31
Mean 6.463$ 0.316$ 0.378$ 1.323$ 56.85 $ 467.9 #1356 #1004 # 611.0 # 343.3 " 140.3 " 32.03 "
Median 5.264$ 0.304$ 0.259$ 0.841$ 23.43 $ 395.7 #1211 # 929.7 # 547.5 # 359.8 " 133.7 " 26.69 "
Maximum 15.29 $ 0.798$ 2.408$ 3.791$ 282.9 $1212 #3070 #1795 #1288 # 499.7 " 195.7 " 78.00 "
Minimum 0.685$ 0.091$ 0.105$ 0.515$ 0.418$ 93.29 # 648.1 # 582.6 # 421.7 # 202.1 " 83.37 " 8.833"
Total 200.4 $ 8.85$ 11.72$ 39.69$ 1762 $14037 #42036 #31129 #18330 #10644 " 4209 " 992.9 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 338.1 $ " ... Relative Uncertainty +/-10%
Ann. Median 107.3 $ # ... Relative Uncertainty +/-15%
Annual Total 123401 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 3070 $ 0.091$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1976
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 8.108" 2.143$ 0.268$ 0.163$ 2.865" 162.2 " 183.9 " 280.8 " 246.7 " 153.7 " 50.76 " 46.33 " 1
2 7.249" 1.693$ 0.231$ 0.163$ 3.513" 104.2 " 198.9 " 251.1 " 240.2 " 149.2 " 47.04 " 38.21 " 2
3 6.601" 1.502$ 0.209$ 0.157$ 3.618" 80.67 " 181.2 " 229.9 " 257.0 " 241.7 " 42.90 " 34.04 " 3
4 6.027" 1.380$ 0.166$ 0.150$ 3.375" 68.62 " 175.4 " 321.4 " 291.7 " 270.7 " 39.18 " 31.45 " 4
5 5.487" 1.264$ 0.169$ 0.140$ 3.508" 61.15 " 187.6 " 336.9 " 353.1 " 210.3 " 35.87 " 29.07 " 5
6 5.354" 1.154$ 0.131$ 0.145$ 3.732" 57.49 " 150.2 " 265.1 " 312.5 " 189.4 " 34.44 " 25.16 " 6
7 50.52 " 1.050$ 0.116$ 0.131$ 3.765" 59.56 " 133.8 " 974.0 # 284.3 " 164.6 " 33.93 " 23.00 " 7
8 106.3 " 0.952$ 0.107$ 0.116$ 3.814" 53.49 " 126.1 "1387 # 270.8 " 143.2 " 32.82 " 21.24 " 8
9 90.30 " 0.860$ 0.118$ 0.115$ 3.597" 47.69 " 121.7 "1067 # 231.9 " 128.1 " 76.38 " 20.56 " 9
10 89.02 " 0.773$ 0.123$ 0.135$ 3.497" 43.07 " 108.6 " 797.6 # 214.1 " 125.7 " 197.1 " 23.37 " 10
11 74.26 " 0.692$ 0.150$ 0.253$ 8.144" 39.62 " 95.67 " 637.0 " 204.2 " 116.0 " 279.9 " 24.57 " 11
12 57.84 " 0.616$ 0.140$ 0.707$ 17.41 " 36.98 " 88.96 " 510.7 " 199.8 " 104.4 " 259.7 " 23.55 " 12
13 44.52 " 0.555$ 0.120$ 0.558$ 21.26 " 34.15 " 83.65 " 581.8 " 195.9 " 97.82 " 218.6 " 21.29 " 13
14 32.46 " 0.534$ 0.119$ 2.443$ 24.73 " 32.45 " 77.54 " 873.6 # 200.8 " 95.01 " 173.9 " 18.21 " 14
15 26.06 " 0.448$ 0.115$ 3.810" 59.75 " 30.89 " 69.51 " 920.0 # 184.5 " 89.07 " 146.9 " 16.00 " 15
16 21.12 " 0.412$ 0.115$ 8.539" 66.34 " 30.02 " 63.12 " 851.5 # 167.3 " 81.51 " 123.3 " 13.45 " 16
17 18.14 " 0.549$ 0.104$ 6.241" 42.23 " 28.68 " 59.75 " 651.1 " 171.8 " 77.28 " 101.8 " 12.23 " 17
18 15.64 " 1.046$ 0.106$ 3.849" 28.16 " 27.50 " 57.18 " 606.6 " 279.1 " 118.3 " 85.91 " 11.17 " 18
19 13.46 " 1.598$ 0.111$ 2.883$ 23.14 " 31.02 " 117.4 " 537.4 " 239.8 " 171.9 " 74.04 " 9.643" 19
20 11.34 " 1.620$ 0.132$ 2.362$ 40.42 " 53.32 " 493.9 " 473.8 " 204.7 " 134.4 " 65.46 " 8.453" 20
21 9.603" 1.283$ 0.167$ 1.949$ 70.57 " 105.8 " 556.1 " 480.3 " 189.6 " 115.3 " 56.67 " 8.231" 21
22 8.266" 0.812$ 0.133$ 1.635$ 57.52 " 280.4 " 435.9 " 438.8 " 168.5 " 107.4 " 50.28 " 8.050" 22
23 7.105" 0.483$ 0.116$ 1.444$ 42.49 " 266.3 " 347.6 " 378.9 " 152.0 " 96.68 " 43.94 " 7.073" 23
24 6.234" 0.369$ 0.112$ 1.333$ 32.61 " 186.6 " 503.0 " 345.9 " 140.1 " 87.12 " 39.25 " 6.592" 24
25 5.271" 0.290$ 0.110$ 1.350$ 28.15 " 145.1 " 502.3 " 315.7 " 136.7 " 87.79 " 34.62 " 6.297" 25
26 4.594" 0.250$ 0.109$ 1.510$ 26.05 " 120.1 " 376.7 " 286.1 " 148.3 " 92.16 " 30.94 " 5.666" 26
27 4.049" 0.247$ 0.108$ 2.703$ 26.58 " 101.7 " 359.0 " 267.6 " 138.9 " 75.80 " 31.88 " 4.807" 27
28 3.283" 0.246$ 0.121$ 2.850" 28.57 " 94.17 " 380.1 " 301.4 " 125.8 " 66.28 " 64.53 " 4.067" 28
29 2.929" 0.280$ 0.121$ 2.694$ 49.86 " 146.4 " 476.8 " 309.6 " 129.9 " 60.87 " 84.61 " 3.545" 29
30 2.895" 0.156$ 2.725$ 93.42 " 192.0 " 400.0 " 265.0 " 142.5 " 58.55 " 63.66 " 3.205" 30
31 2.725$ 0.173$ 147.0 " 335.3 " 254.7 " 55.88 " 3.114" 31
Mean 24.09 $ 0.866$ 0.138$ 1.775$ 31.28 " 90.71 " 240.2 " 522.5 # 207.4 " 121.5 " 87.35 " 16.50 "
Median 8.266$ 0.773$ 0.121$ 1.397$ 26.05 " 60.36 " 181.2 " 438.8 # 200.3 " 107.4 " 60.16 " 13.45 "
Maximum 106.3 $ 2.143$ 0.268$ 8.539$ 147.0 " 280.4 " 556.1 "1387 # 353.1 " 270.7 " 279.9 " 46.33 "
Minimum 2.725$ 0.246$ 0.104$ 0.115$ 2.865" 27.50 " 57.18 " 229.9 # 125.8 " 55.88 " 30.94 " 3.114"
Total 746.8 $ 25.10$ 4.28$ 53.25$ 969.7 " 2721 " 7447 "16198 # 6222 " 3766 " 2620 " 511.7 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 112.8 $ " ... Relative Uncertainty +/-10%
Ann. Median 40.02 $ # ... Relative Uncertainty +/-15%
Annual Total 41286 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1387 $ 0.104$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1977
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.724$ 0.170$ 0.060$ 0.162$ 0.273$ 35.38 " 184.3 " 617.1 # 261.6 " 332.2 " 223.0 " 43.91 " 1
2 2.576$ 0.172$ 0.076$ 0.138$ 0.226$ 31.42 " 281.0 "1111 # 243.1 " 287.8 " 197.9 " 41.52 " 2
3 2.439$ 0.185$ 0.087$ 0.122$ 0.208$ 29.17 " 207.5 " 700.5 # 225.8 " 342.2 " 184.1 " 38.41 " 3
4 2.138$ 0.174$ 0.084$ 0.126$ 0.195$ 42.87 " 160.6 " 593.6 " 213.7 " 319.3 " 172.6 " 33.61 " 4
5 1.542$ 0.160$ 0.080$ 0.113$ 0.158$ 185.0 " 155.3 " 479.4 " 206.2 " 253.0 " 157.7 " 29.87 " 5
6 1.180$ 0.138$ 0.061$ 0.113$ 0.215$ 168.7 " 201.8 " 416.2 " 201.6 " 224.0 " 146.9 " 26.09 " 6
7 0.866$ 0.134$ 0.063$ 0.104$ 0.355$ 100.8 " 166.5 " 561.4 " 288.3 " 223.8 " 135.2 " 22.73 " 7
8 0.669$ 0.127$ 0.071$ 0.095$ 0.273$ 75.27 " 179.3 " 836.2 # 354.5 " 335.2 " 130.8 " 20.69 " 8
9 0.503$ 0.132$ 0.067$ 0.101$ 0.249$ 63.95 " 321.1 " 597.3 " 284.4 " 340.6 " 128.0 " 18.46 " 9
10 0.406$ 0.139$ 0.056$ 0.118$ 0.471$ 76.11 " 223.9 " 601.3 " 277.1 " 487.2 " 122.2 " 16.08 " 10
11 0.346$ 0.126$ 0.048$ 0.083$ 0.561$ 136.9 " 179.5 " 850.8 # 260.7 " 627.8 " 116.0 " 13.85 " 11
12 0.345$ 0.093$ 0.037$ 0.054$ 0.517$ 114.3 " 177.8 " 808.1 # 229.0 " 726.9 " 111.2 " 11.88 " 12
13 0.314$ 0.101$ 0.041$ 0.058$ 0.378$ 121.4 " 156.0 " 656.7 " 208.0 " 690.8 " 103.4 " 10.38 " 13
14 0.238$ 0.111$ 0.029$ 0.061$ 0.289$ 247.4 " 137.5 " 584.3 " 192.1 " 544.0 " 95.10 " 9.205" 14
15 0.223$ 0.118$ 0.029$ 0.061$ 1.762$ 447.8 " 124.5 " 492.5 " 182.2 " 474.4 " 88.80 " 8.029" 15
16 0.233$ 0.116$ 0.033$ 0.072$ 1.412$ 400.6 " 125.2 " 424.1 " 192.7 " 408.4 " 82.41 " 6.985" 16
17 0.242$ 0.104$ 0.034$ 0.072$ 4.764$ 375.5 " 419.4 " 391.5 " 199.0 " 346.6 " 76.31 " 6.177" 17
18 0.479$ 0.070$ 0.040$ 0.077$ 35.62 " 241.1 " 541.0 " 482.7 " 210.8 " 299.6 " 70.42 " 5.514" 18
19 0.507$ 0.066$ 0.043$ 0.102$ 81.25 " 186.0 " 420.4 " 495.7 " 197.6 " 264.1 " 65.92 " 4.706" 19
20 0.438$ 0.049$ 0.053$ 0.104$ 57.93 " 156.3 " 509.8 " 565.2 " 180.9 " 236.2 " 61.44 " 4.129" 20
21 0.406$ 0.048$ 0.073$ 0.090$ 43.75 " 151.4 " 623.8 " 463.9 " 223.7 " 213.0 " 56.33 " 3.659" 21
22 0.340$ 0.074$ 0.053$ 0.067$ 66.71 " 159.9 " 503.9 " 457.3 " 290.7 " 193.5 " 51.12 " 3.019" 22
23 0.298$ 0.099$ 0.071$ 0.077$ 66.81 " 130.5 " 431.7 " 442.4 " 235.9 " 174.6 " 47.64 " 2.995" 23
24 0.275$ 0.089$ 0.075$ 0.073$ 55.74 " 111.2 " 350.0 " 404.1 " 216.7 " 161.2 " 47.01 " 2.626$ 24
25 0.235$ 0.066$ 0.081$ 0.063$ 95.42 " 106.3 " 295.5 " 450.9 " 200.2 " 151.7 " 53.31 " 2.106$ 25
26 0.232$ 0.067$ 0.085$ 0.079$ 102.6 " 305.2 " 251.4 " 454.0 " 183.5 " 160.8 " 63.68 " 1.656$ 26
27 0.234$ 0.070$ 0.106$ 0.123$ 80.51 " 267.7 " 227.1 " 408.2 " 168.8 " 282.0 " 65.57 " 1.289$ 27
28 0.234$ 0.067$ 0.121$ 0.140$ 67.66 " 165.7 " 281.0 " 411.5 " 159.3 " 385.0 " 57.33 " 1.080$ 28
29 0.217$ 0.173$ 0.163$ 57.59 " 141.8 " 313.0 " 354.0 " 152.8 " 296.5 " 54.92 " 1.023$ 29
30 0.227$ 0.199$ 0.196$ 48.76 " 142.5 " 365.8 " 322.7 " 171.5 " 270.9 " 48.12 " 1.297$ 30
31 0.211$ 0.176$ 40.98 " 309.6 " 286.0 " 254.1 " 2.006$ 31
Mean 0.688$ 0.109$ 0.074$ 0.100$ 29.47 $ 163.9 " 284.7 " 539.4 # 220.4 " 332.5 " 100.5 " 12.74 $
Median 0.345$ 0.108$ 0.067$ 0.098$ 1.762$ 142.1 " 251.4 " 482.7 # 209.4 " 296.5 " 85.60 " 6.985$
Maximum 2.724$ 0.185$ 0.199$ 0.196$ 102.6 $ 447.8 " 623.8 "1111 # 354.5 " 726.9 " 223.0 " 43.91 $
Minimum 0.211$ 0.048$ 0.029$ 0.054$ 0.158$ 29.17 " 124.5 " 286.0 # 152.8 " 151.7 " 47.01 " 1.023$
Total 21.32$ 3.06$ 2.31$ 3.01$ 913.7 $ 4918 " 8825 "16720 # 6612 "10307 " 3014 " 395.0 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 141.7 $ " ... Relative Uncertainty +/-10%
Ann. Median 55.74 $ # ... Relative Uncertainty +/-15%
Annual Total 51736 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1111 $ 0.029$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1978
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.209$ 0.040$ 0.025$ 0.009$ 0.365$ 210.2 " 797.4 # 607.9 " 419.8 "1910 # 156.1 " 67.78 " 1
2 1.966$ 0.044$ 0.023$ 0.016$ 0.486$ 318.8 " 687.3 " 552.4 " 401.2 "1500 # 159.2 " 65.73 " 2
3 1.615$ 0.037$ 0.023$ 0.021$ 0.652$ 355.6 " 550.6 " 527.9 " 360.4 "1264 # 233.9 " 62.53 " 3
4 1.199$ 0.029$ 0.023$ 0.041$ 0.471$ 218.4 " 468.0 " 548.0 " 347.5 "1106 # 259.3 " 59.83 " 4
5 0.805$ 0.023$ 0.019$ 0.041$ 0.289$ 217.0 " 412.0 " 874.2 # 336.1 " 947.0 # 226.5 " 55.59 " 5
6 0.528$ 0.027$ 0.018$ 0.034$ 0.221$ 277.2 " 364.0 " 760.2 # 301.5 " 821.0 # 231.3 " 52.82 " 6
7 0.454$ 0.019$ 0.015$ 0.032$ 0.291$ 200.8 " 324.4 " 652.3 " 283.6 " 712.0 " 223.1 " 48.05 " 7
8 0.388$ 0.024$ 0.030$ 0.023$ 0.291$ 198.2 " 287.8 " 587.0 " 268.6 " 633.0 " 203.9 " 43.13 " 8
9 0.332$ 0.037$ 0.024$ 0.028$ 0.258$ 446.4 " 260.7 " 529.1 " 308.0 " 574.5 " 179.3 " 42.24 " 9
10 0.296$ 0.032$ 0.033$ 0.042$ 0.207$ 465.5 " 242.9 " 484.1 " 480.2 " 528.1 " 160.2 " 41.10 " 10
11 0.228$ 0.026$ 0.028$ 0.047$ 0.191$ 315.2 " 241.2 " 460.6 " 682.9 " 484.8 " 145.8 " 37.46 " 11
12 0.291$ 0.022$ 0.037$ 0.076$ 0.204$ 239.3 " 410.0 " 429.9 " 656.4 " 459.3 " 134.5 " 33.09 " 12
13 0.299$ 0.022$ 0.028$ 0.405$ 0.795$ 193.3 " 436.5 " 404.9 " 563.4 " 421.7 " 123.0 " 29.29 " 13
14 0.243$ 0.024$ 0.034$ 0.369$ 1.026$ 235.0 " 650.0 " 383.0 " 522.1 " 387.8 " 112.0 " 26.09 " 14
15 0.199$ 0.029$ 0.028$ 0.224$ 0.984$ 346.5 " 807.7 # 360.9 " 808.4 # 374.5 " 104.4 " 24.20 " 15
16 0.173$ 0.027$ 0.030$ 0.163$ 5.592$ 261.3 "1064 # 342.3 " 984.9 # 353.1 " 98.64 " 22.43 " 16
17 0.158$ 0.038$ 0.054$ 0.146$ 6.543" 197.6 "1057 # 328.2 " 737.4 # 326.8 " 93.56 " 19.94 " 17
18 0.158$ 0.054$ 0.062$ 0.161$ 4.528" 168.3 "1006 # 319.1 " 694.9 " 309.1 " 89.04 " 17.39 " 18
19 0.155$ 0.058$ 0.049$ 0.183$ 15.87 " 184.1 "1054 # 302.6 "1397 # 290.5 " 84.70 " 15.06 " 19
20 0.154$ 0.043$ 0.047$ 0.139$ 64.90 " 282.9 "1268 # 296.2 "1646 # 271.4 " 80.41 " 13.60 " 20
21 0.130$ 0.027$ 0.036$ 0.115$ 85.46 " 372.5 "2211 # 302.5 "1203 # 256.0 " 74.26 " 12.58 " 21
22 0.114$ 0.020$ 0.014$ 0.091$ 116.9 " 822.8 #1726 # 309.5 " 990.5 # 243.8 " 69.66 " 17.08 " 22
23 0.102$ 0.028$ 0.010$ 0.098$ 104.5 "1027 #1379 # 294.4 "1219 # 234.7 " 63.45 " 17.66 " 23
24 0.079$ 0.038$ 0.014$ 0.134$ 90.96 " 628.4 "1084 # 376.9 "1428 # 226.3 " 80.82 " 19.37 " 24
25 0.105$ 0.044$ 0.014$ 0.173$ 101.2 " 491.2 "1269 # 356.8 "1005 # 216.0 " 115.5 " 16.39 " 25
26 0.091$ 0.045$ 0.008$ 0.203$ 171.8 " 549.1 "1099 # 310.1 " 845.6 # 209.1 " 116.7 " 13.86 " 26
27 0.073$ 0.039$ 0.010$ 0.172$ 312.2 " 557.0 " 916.1 # 288.2 " 754.0 " 202.4 " 94.12 " 12.73 " 27
28 0.062$ 0.033$ 0.016$ 0.139$ 408.7 " 489.5 " 812.9 # 315.4 " 663.3 " 193.3 " 84.29 " 12.06 " 28
29 0.057$ 0.011$ 0.137$ 276.5 " 830.6 # 735.2 " 566.3 " 578.6 " 184.0 " 79.90 " 11.74 " 29
30 0.038$ 0.007$ 0.213$ 164.5 " 965.5 # 664.2 " 456.3 " 917.9 # 174.6 " 73.92 " 10.63 " 30
31 0.034$ 0.009$ 140.1 " 675.6 " 395.4 " 165.3 " 9.267" 31
Mean 0.411$ 0.033$ 0.025$ 0.122$ 67.00 $ 402.2 # 805.2 # 442.7 # 726.9 # 515.5 # 131.7 " 30.02 "
Median 0.173$ 0.031$ 0.023$ 0.124$ 4.528$ 317.0 # 735.2 # 395.4 # 673.1 # 353.1 # 113.8 " 22.43 "
Maximum 2.209$ 0.058$ 0.062$ 0.405$ 408.7 $1027 #2211 # 874.2 #1646 #1910 # 259.3 " 67.78 "
Minimum 0.034$ 0.019$ 0.007$ 0.009$ 0.191$ 168.3 # 241.2 # 288.2 # 268.6 # 165.3 # 63.45 " 9.267"
Total 12.74$ 0.93$ 0.78$ 3.67$ 2077 $12065 #24961 #13722 #21806 #15980 # 3952 " 930.7 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 261.7 $ " ... Relative Uncertainty +/-10%
Ann. Median 90.96 $ # ... Relative Uncertainty +/-15%
Annual Total 95512 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 2211 $ 0.007$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1979
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 7.907" 1.038$ 0.398$ 0.233$ 1.188$ 61.97 " 586.0 " 220.7 " 305.9 " 314.0 " 114.2 " 75.34 " 1
2 6.822" 0.685$ 0.315$ 0.252$ 1.439$ 120.5 " 519.1 " 207.9 " 286.5 " 384.6 " 109.6 " 69.88 " 2
3 5.760" 0.495$ 0.246$ 0.239$ 1.369$ 152.4 " 432.8 " 192.0 " 297.5 " 354.4 " 105.4 " 65.71 " 3
4 5.208" 0.433$ 0.196$ 0.298$ 1.241$ 139.1 " 409.1 " 191.8 " 288.4 " 391.8 " 100.7 " 65.54 " 4
5 4.524" 0.360$ 0.177$ 0.329$ 1.400$ 100.4 " 352.0 " 222.1 " 276.7 " 396.8 " 96.82 " 62.93 " 5
6 3.986" 0.314$ 0.145$ 0.329$ 1.367$ 80.41 " 383.9 " 209.8 " 290.6 " 365.5 " 90.57 " 60.73 " 6
7 3.817" 0.259$ 0.135$ 0.264$ 1.353$ 69.39 " 623.4 " 253.6 " 315.9 " 375.9 " 84.32 " 56.75 " 7
8 3.337" 0.207$ 0.116$ 0.216$ 1.223$ 93.76 " 498.4 " 240.2 " 314.2 " 361.6 " 80.22 " 53.81 " 8
9 2.869" 0.178$ 0.101$ 0.238$ 1.088$ 149.4 " 411.4 " 207.0 " 356.1 " 345.7 " 84.20 " 51.78 " 9
10 2.467$ 0.177$ 0.119$ 0.260$ 0.939$ 122.6 " 365.8 " 212.3 " 412.6 " 333.4 " 220.0 " 50.12 " 10
11 2.007$ 0.158$ 0.127$ 0.231$ 0.880$ 179.9 " 360.1 " 207.2 " 342.1 " 346.8 " 254.9 " 47.66 " 11
12 2.168$ 0.180$ 0.127$ 0.183$ 0.846$ 139.4 " 383.0 " 186.6 " 316.2 " 379.2 " 326.1 " 45.32 " 12
13 2.738$ 0.195$ 0.117$ 0.189$ 0.857$ 120.7 " 446.1 " 174.0 " 297.5 " 318.0 " 364.0 " 44.51 " 13
14 2.515$ 0.190$ 0.177$ 0.199$ 0.835$ 105.3 " 479.6 " 170.2 " 288.9 " 302.8 " 329.6 " 42.98 " 14
15 2.099$ 0.225$ 0.224$ 0.425$ 0.899$ 92.94 " 590.7 " 171.0 " 281.3 " 282.5 " 267.1 " 41.93 " 15
16 1.497$ 0.465$ 0.231$ 0.435$ 1.175$ 100.6 " 556.9 " 176.0 " 264.8 " 268.4 " 240.7 " 39.37 " 16
17 1.110$ 0.555$ 0.189$ 0.549$ 1.915$ 150.1 " 445.0 " 841.8 # 246.5 " 257.9 " 221.7 " 36.31 " 17
18 1.014$ 0.499$ 0.176$ 2.180$ 1.928$ 127.4 " 379.5 "1162 # 226.3 " 232.1 " 206.8 " 34.04 " 18
19 1.214$ 0.387$ 0.152$ 2.225$ 3.063$ 118.8 " 335.7 " 996.7 # 214.2 " 220.7 " 190.0 " 31.53 " 19
20 1.288$ 0.316$ 0.173$ 1.997$ 8.251" 133.7 " 359.7 " 882.6 # 212.2 " 277.8 " 170.6 " 29.40 " 20
21 1.143$ 0.282$ 0.199$ 1.509$ 31.20 " 222.9 " 339.3 " 701.5 " 397.6 " 344.2 " 165.8 " 27.00 " 21
22 0.930$ 0.231$ 0.307$ 1.740$ 79.86 " 183.3 " 293.8 " 585.2 " 527.3 " 264.2 " 170.3 " 24.10 " 22
23 0.717$ 0.189$ 0.232$ 1.389$ 137.4 " 250.2 " 303.5 " 493.6 " 532.1 " 241.9 " 153.0 " 22.81 " 23
24 0.535$ 0.156$ 0.196$ 1.986$ 197.9 " 231.1 " 280.3 " 520.8 " 594.9 " 226.4 " 146.4 " 20.89 " 24
25 0.381$ 0.190$ 0.222$ 2.268$ 144.1 " 232.0 " 243.2 " 614.5 " 601.5 " 205.7 " 136.6 " 18.53 " 25
26 0.416$ 0.614$ 0.262$ 2.041$ 101.0 " 218.0 " 225.6 " 549.1 " 566.4 " 186.5 " 121.3 " 16.79 " 26
27 0.793$ 0.580$ 0.293$ 1.471$ 76.11 " 364.1 " 212.5 " 477.1 " 493.1 " 167.4 " 110.1 " 13.01 " 27
28 0.939$ 0.499$ 0.259$ 1.172$ 82.56 " 967.7 # 213.8 " 446.4 " 420.2 " 151.3 " 100.5 " 10.33 " 28
29 0.826$ 0.311$ 1.018$ 78.67 "1788 # 296.5 " 403.4 " 364.3 " 139.8 " 92.88 " 10.96 " 29
30 0.969$ 0.341$ 1.109$ 60.87 " 890.7 # 268.6 " 359.6 " 324.7 " 128.5 " 83.95 " 9.974" 30
31 1.203$ 0.288$ 50.42 " 228.6 " 329.7 " 120.3 " 9.118" 31
Mean 2.361$ 0.359$ 0.211$ 0.899$ 34.63 $ 256.9 # 381.4 " 406.7 # 355.2 " 280.2 " 164.6 " 38.36 "
Median 1.497$ 0.298$ 0.196$ 0.430$ 1.439$ 139.2 # 365.8 " 253.6 # 315.1 " 282.5 " 141.5 " 39.37 "
Maximum 7.907$ 1.038$ 0.398$ 2.268$ 197.9 $1788 # 623.4 "1162 # 601.5 " 396.8 " 364.0 " 75.34 "
Minimum 0.381$ 0.156$ 0.101$ 0.183$ 0.835$ 61.97 # 212.5 " 170.2 # 212.2 " 120.3 " 80.22 " 9.118"
Total 73.20$ 10.06$ 6.55$ 26.97$ 1073 $ 7706 #11824 "12606 #10657 " 8686 " 4938 " 1189 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 161.1 $ " ... Relative Uncertainty +/-10%
Ann. Median 83.95 $ # ... Relative Uncertainty +/-15%
Annual Total 58797 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1788 $ 0.101$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1980
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 8.248" 0.199$ 0.145$ 0.061$ 1.652$ 66.11 " 555.0 "1058 # 853.3 # 707.5 " 220.4 " 139.8 " 1
2 7.264" 0.211$ 0.139$ 0.055$ 1.561$ 151.5 " 448.4 " 979.9 # 776.0 " 680.6 " 205.8 " 123.8 " 2
3 6.369" 0.184$ 0.126$ 0.581$ 1.466$ 185.1 " 398.0 " 887.3 # 764.1 " 603.8 " 196.2 " 113.2 " 3
4 5.613" 0.163$ 0.098$ 0.501$ 1.366$ 138.4 " 336.2 " 800.4 # 811.9 # 611.5 " 190.7 " 100.9 " 4
5 5.118" 0.172$ 0.069$ 0.307$ 1.473$ 158.8 " 287.9 " 822.4 # 707.7 " 657.0 " 188.6 " 91.15 " 5
6 4.895" 0.170$ 0.070$ 0.229$ 2.521$ 128.0 " 262.4 " 834.7 # 691.2 " 616.5 " 188.6 " 83.15 " 6
7 4.589" 0.213$ 0.070$ 0.224$ 2.785$ 103.2 " 246.7 " 763.5 " 675.4 " 551.0 " 182.4 " 76.24 " 7
8 4.272" 0.227$ 0.069$ 0.224$ 3.123" 97.45 " 215.3 " 759.8 # 635.9 " 500.1 " 172.4 " 69.68 " 8
9 4.093" 0.188$ 0.089$ 0.338$ 7.835" 84.69 " 614.7 #2901 & 583.9 " 451.1 " 162.9 " 64.91 " 9
10 3.961" 0.172$ 0.089$ 0.363$ 11.58 " 70.70 "2676 #1885 # 535.7 " 415.6 " 154.3 " 62.25 " 10
11 3.341" 0.302$ 0.076$ 0.283$ 12.74 " 63.11 "2094 #1390 # 497.6 " 384.5 " 146.5 " 58.04 " 11
12 2.840" 0.292$ 0.058$ 0.228$ 13.47 " 58.02 "2318 #1138 # 469.0 " 360.8 " 141.0 " 54.00 " 12
13 2.587$ 0.243$ 0.054$ 0.291$ 13.40 " 76.65 "1735 # 936.5 # 448.0 " 340.9 " 139.4 " 51.11 " 13
14 2.268$ 0.218$ 0.060$ 0.330$ 13.10 " 245.6 "1566 # 830.3 # 441.2 " 321.3 " 136.2 " 48.04 " 14
15 1.798$ 0.186$ 0.063$ 0.282$ 12.05 " 230.4 "2431 # 749.5 " 427.7 " 304.1 " 132.0 " 43.77 " 15
16 1.412$ 0.179$ 0.088$ 0.289$ 10.84 " 214.4 "2737 # 676.3 " 452.2 " 302.8 " 125.4 " 40.27 " 16
17 1.086$ 0.170$ 0.073$ 0.412$ 9.559" 167.4 "1973 # 682.3 # 473.4 " 306.0 " 124.3 " 36.34 " 17
18 0.913$ 0.158$ 0.062$ 0.448$ 8.620" 170.7 "3229 &1013 # 447.7 " 292.8 " 131.6 " 32.77 " 18
19 0.743$ 0.158$ 0.059$ 0.402$ 7.794" 221.5 "2236 # 937.9 # 443.3 " 282.3 " 128.7 " 30.64 " 19
20 0.630$ 0.151$ 0.063$ 1.388$ 6.992" 171.2 "1489 # 910.6 # 410.5 " 274.6 " 116.9 " 29.27 " 20
21 0.588$ 0.131$ 0.054$ 3.761$ 6.781" 526.9 #1169 #1099 # 379.1 " 343.5 " 108.5 " 30.63 " 21
22 0.478$ 0.119$ 0.043$ 8.305" 7.559" 720.6 " 950.0 #1010 # 503.6 " 403.8 " 101.5 " 29.03 " 22
23 0.385$ 0.117$ 0.044$ 8.209" 7.650" 459.9 "1030 # 830.9 # 650.3 " 355.0 " 96.11 " 26.76 " 23
24 0.318$ 0.117$ 0.051$ 6.712" 8.013" 495.7 "1137 # 754.1 " 591.9 " 335.8 " 90.73 " 25.21 " 24
25 0.249$ 0.133$ 0.042$ 4.359" 8.802" 656.7 "1526 # 693.4 # 597.3 " 334.8 " 121.9 " 23.28 " 25
26 0.222$ 0.167$ 0.038$ 3.305" 8.442" 615.8 "1831 #1511 # 538.8 " 341.9 " 191.3 " 22.48 " 26
27 0.219$ 0.180$ 0.039$ 2.722$ 8.348" 489.3 "1705 #1265 # 470.9 " 349.5 " 182.2 " 21.62 " 27
28 0.208$ 0.177$ 0.048$ 2.341$ 21.14 " 379.9 "1526 #1160 # 470.9 " 326.1 " 153.0 " 20.27 " 28
29 0.175$ 0.155$ 0.063$ 2.095$ 53.20 " 443.2 "1280 #1057 # 851.9 # 299.9 " 155.2 " 27.31 " 29
30 0.154$ 0.069$ 1.808$ 65.41 " 703.4 "1103 #1049 # 754.0 # 266.9 " 166.2 " 37.49 " 30
31 0.172$ 0.065$ 67.48 " 1083 # 931.7 # 240.2 " 38.86 " 31
Mean 2.426$ 0.181$ 0.070$ 1.695$ 13.12 $ 276.5 #1361 &1043 & 578.5 # 405.2 " 151.7 " 53.30 "
Median 1.412$ 0.172$ 0.063$ 0.407$ 8.348$ 178.2 #1280 & 936.5 & 537.3 # 343.5 " 149.7 " 40.27 "
Maximum 8.248$ 0.302$ 0.145$ 8.305$ 67.48 $ 720.6 #3229 &2901 & 853.3 # 707.5 " 220.4 " 139.8 "
Minimum 0.154$ 0.117$ 0.038$ 0.055$ 1.366$ 58.02 # 215.3 & 676.3 & 379.1 # 240.2 " 90.73 " 20.27 "
Total 75.21$ 5.25$ 2.18$ 50.85$ 406.8 $ 8295 #42189 &32318 &17355 #12562 " 4551 " 1652 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 326.4 & " ... Relative Uncertainty +/-10%
Ann. Median 83.92 & # ... Relative Uncertainty +/-15%
Annual Total 119462 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3229 & 0.038&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1981
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 36.89 " 0.209$ 0.099$ 0.136$ 1.641$ 160.8 " 520.4 " 951.5 # 654.2 " 527.5 " 192.2 " 198.7 " 1
2 30.96 " 0.179$ 0.095$ 0.164$ 1.639$ 241.1 " 462.2 " 747.6 # 595.1 " 595.1 " 194.4 " 200.2 " 2
3 26.42 " 0.166$ 0.093$ 0.633$ 1.352$ 242.1 " 381.9 " 708.8 # 544.9 " 535.4 " 181.9 " 198.6 " 3
4 23.22 " 0.138$ 0.102$ 1.184$ 1.203$ 159.5 " 334.3 " 653.3 # 535.8 " 490.7 " 174.5 " 189.8 " 4
5 20.04 " 0.144$ 0.134$ 0.588$ 1.039$ 131.2 " 297.3 " 697.1 # 624.8 " 439.1 " 158.9 " 168.4 " 5
6 15.89 " 0.151$ 0.428$ 1.306$ 0.906$ 119.9 " 259.2 " 773.7 # 598.7 " 403.7 " 146.5 " 151.5 " 6
7 12.92 " 0.170$ 0.424$ 3.201$ 0.816$ 256.6 " 232.3 "1289 # 605.8 " 371.0 " 137.9 " 136.0 " 7
8 10.59 " 0.133$ 0.323$ 2.019$ 0.775$ 402.6 " 215.6 "1371 #1052 # 351.6 " 128.6 " 121.0 " 8
9 9.033" 0.130$ 0.269$ 1.596$ 0.722$ 452.5 " 203.7 "1087 # 964.2 # 333.9 " 119.9 " 109.0 " 9
10 7.606" 0.132$ 0.217$ 1.619$ 0.662$ 330.1 " 196.0 "1655 # 813.7 # 310.1 " 112.4 " 104.7 " 10
11 6.526" 0.123$ 0.191$ 1.905$ 0.588$ 259.4 " 191.6 "1901 # 752.6 " 292.2 " 193.7 " 98.54 " 11
12 5.687" 0.127$ 0.189$ 2.238$ 0.564$ 296.1 " 206.6 "1616 # 669.8 " 274.4 " 459.9 " 90.05 " 12
13 5.177" 0.114$ 0.218$ 1.798$ 0.777$ 280.7 " 190.5 "1395 # 591.3 " 261.7 " 464.4 " 82.58 " 13
14 5.024" 0.113$ 0.249$ 1.374$ 1.569$ 219.3 " 180.3 "1542 # 535.9 " 252.8 " 519.1 " 75.51 " 14
15 4.319" 0.130$ 0.262$ 1.174$ 1.722$ 233.1 " 190.2 "2112 # 529.5 " 241.5 " 525.2 " 69.66 " 15
16 3.841" 0.119$ 0.229$ 1.037$ 1.527$ 398.0 " 181.2 "1762 # 518.8 " 230.6 " 409.0 " 64.15 " 16
17 3.449" 0.119$ 0.224$ 0.959$ 1.212$ 353.4 " 360.5 "1520 # 573.2 " 220.9 " 295.9 " 60.01 " 17
18 3.226" 0.130$ 0.193$ 0.869$ 1.060$ 335.8 " 551.2 "1328 # 613.4 " 221.8 " 231.6 " 56.02 " 18
19 2.997" 0.135$ 0.167$ 0.838$ 0.880$ 298.5 " 594.8 "1188 # 553.8 " 208.9 " 192.6 " 52.11 " 19
20 2.533$ 0.145$ 0.164$ 0.884$ 0.704$ 411.9 " 484.7 "1189 # 620.0 " 195.2 " 167.8 " 48.26 " 20
21 2.029$ 0.141$ 0.173$ 0.956$ 0.816$ 437.7 " 500.3 " 951.7 # 668.7 " 190.4 " 155.2 " 45.12 " 21
22 1.510$ 0.128$ 0.152$ 1.093$ 1.263$ 324.1 "1041 # 837.2 # 648.2 " 194.9 " 148.7 " 41.33 " 22
23 1.291$ 0.119$ 0.156$ 1.267$ 1.582$ 267.3 "1434 # 818.9 " 636.2 " 187.5 " 143.5 " 39.30 " 23
24 1.050$ 0.119$ 0.146$ 1.312$ 3.709$ 263.7 "1039 # 775.5 " 574.0 " 174.7 " 139.2 " 36.00 " 24
25 0.878$ 0.122$ 0.154$ 1.498$ 59.89 " 397.2 "1184 # 944.6 # 521.6 " 170.4 " 161.7 " 33.50 " 25
26 0.709$ 0.123$ 0.157$ 1.475$ 224.2 " 323.0 "1024 # 966.4 # 480.5 " 215.5 " 276.4 " 30.80 " 26
27 0.567$ 0.116$ 0.194$ 1.200$ 177.9 " 348.6 " 972.3 # 851.7 # 439.0 " 259.4 " 275.5 " 28.72 " 27
28 0.446$ 0.109$ 0.165$ 0.876$ 171.2 " 391.5 " 816.2 # 895.7 # 404.4 " 249.1 " 262.7 " 26.22 " 28
29 0.343$ 0.145$ 0.815$ 153.5 " 333.2 " 753.2 # 964.6 # 412.4 " 233.7 " 256.8 " 27.60 " 29
30 0.291$ 0.126$ 1.011$ 318.5 " 453.2 "1927 # 787.8 # 439.1 " 211.5 " 217.9 " 28.51 " 30
31 0.232$ 0.123$ 281.2 " 1317 # 723.0 " 187.3 " 27.57 " 31
Mean 7.926$ 0.135$ 0.192$ 1.234$ 45.65 $ 304.1 " 588.5 #1129 # 605.7 # 291.4 " 234.8 " 85.15 "
Median 3.841$ 0.130$ 0.167$ 1.179$ 1.263$ 310.8 " 462.2 # 964.6 # 593.2 # 249.1 " 192.4 " 64.15 "
Maximum 36.89 $ 0.209$ 0.428$ 3.201$ 318.5 $ 453.2 "1927 #2112 #1052 # 595.1 " 525.2 " 200.2 "
Minimum 0.232$ 0.109$ 0.093$ 0.136$ 0.564$ 119.9 " 180.3 # 653.3 # 404.4 # 170.4 " 112.4 " 26.22 "
Total 245.7 $ 3.79$ 5.96$ 37.02$ 1415 $ 9122 "18244 #35006 #18172 # 9032 " 7044 " 2639 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 276.6 $ " ... Relative Uncertainty +/-10%
Ann. Median 155.2 $ # ... Relative Uncertainty +/-15%
Annual Total 100967 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 2112 $ 0.093$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1982
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 27.57 " 7.834" 0.052$ 0.312$ 0.147$ 13.82 " 446.6 " 755.6 " 333.9 " 317.6 " 132.4 " 37.55 " 1
2 25.04 " 6.142" 0.112$ 0.401$ 0.174$ 172.5 " 410.6 " 758.3 " 327.7 " 289.3 " 123.8 " 34.50 " 2
3 29.60 " 4.567" 0.172$ 0.510$ 0.202$ 395.5 " 448.8 " 713.9 " 321.0 " 294.1 " 120.6 " 31.02 " 3
4 33.01 " 3.642" 0.065$ 0.581$ 0.232$ 243.5 " 558.3 " 612.7 " 306.4 " 454.1 " 117.9 " 27.80 " 4
5 41.24 " 3.196" 0.001$ 0.468$ 0.265$ 103.2 " 536.4 " 555.2 " 290.1 " 709.2 " 133.3 " 25.43 " 5
6 35.56 " 2.605$ 0.004$ 0.320$ 0.295$ 77.47 " 620.3 " 523.0 " 269.1 " 682.9 " 139.5 " 23.05 " 6
7 33.01 " 2.191$ 0.009$ 0.293$ 0.195$ 102.8 " 555.7 " 859.4 # 250.9 " 579.4 " 133.6 " 21.37 " 7
8 29.44 " 1.833$ 0.018$ 0.278$ 0.460$ 454.8 " 531.0 " 795.8 # 246.1 " 528.2 " 123.5 " 19.73 " 8
9 28.13 " 1.483$ 0.022$ 0.296$ 0.536$ 494.0 " 774.8 # 711.4 " 235.0 " 420.6 " 110.2 " 20.56 # 9
10 26.84 " 0.959$ 0.060$ 0.229$ 0.479$ 400.8 " 719.0 # 593.1 " 220.1 " 359.5 " 98.78 " 25.30 # 10
11 25.64 " 0.552$ 0.113$ 0.085$ 0.462$ 389.0 " 518.9 " 533.0 " 211.1 " 321.6 " 89.83 " 29.22 # 11
12 22.80 " 0.361$ 0.113$ 0.044$ 0.506$ 277.5 " 431.5 " 487.5 " 203.5 " 286.7 " 83.00 " 27.93 # 12
13 20.47 " 0.244$ 0.094$ 0.020$ 0.514$ 348.6 " 409.9 " 470.4 " 197.9 " 259.1 " 80.44 " 26.51 # 13
14 18.97 " 0.497$ 0.078$ 0.012$ 0.494$ 381.8 " 528.9 # 493.6 " 272.6 " 237.9 " 79.49 " 29.07 # 14
15 15.75 " 1.005$ 0.075$ 0.009$ 0.483$ 395.0 "2131 # 449.7 " 476.5 " 220.3 " 76.02 " 27.64 # 15
16 13.99 " 0.889$ 0.078$ 0.012$ 0.444$ 542.2 "2606 # 407.9 " 596.4 " 206.8 " 70.83 " 25.91 # 16
17 12.93 " 0.575$ 0.077$ 0.011$ 0.499$ 468.2 "2311 # 373.7 " 569.4 " 196.7 " 65.42 " 24.27 # 17
18 11.42 " 0.370$ 0.095$ 0.010$ 0.489$ 410.5 "1699 # 352.8 " 540.7 " 185.2 " 61.23 " 22.80 # 18
19 8.917" 0.263$ 0.112$ 0.011$ 0.442$ 351.3 "1346 # 434.7 " 471.3 " 174.0 " 56.37 " 21.44 # 19
20 8.264" 0.151$ 0.119$ 0.013$ 0.425$ 287.3 "1434 # 472.8 " 400.6 " 163.0 " 51.84 " 20.14 # 20
21 9.328" 0.097$ 0.082$ 0.018$ 0.408$ 243.4 "1191 # 416.6 " 396.1 " 154.1 " 46.59 " 18.86 # 21
22 16.69 " 0.091$ 0.035$ 0.021$ 0.389$ 208.9 "1033 # 408.4 " 624.5 " 146.6 " 44.46 " 17.62 # 22
23 19.99 " 0.059$ 0.021$ 0.028$ 2.982$ 244.1 "1011 # 559.7 " 646.1 " 159.2 " 42.17 " 16.43 # 23
24 25.32 " 0.048$ 0.011$ 0.034$ 6.375" 458.2 " 937.5 # 560.9 " 774.1 # 203.0 " 40.74 " 15.31 # 24
25 24.25 " 0.048$ 0.020$ 0.026$ 3.579" 466.3 " 821.1 # 464.4 " 707.1 " 254.5 " 39.58 " 14.34 # 25
26 28.08 " 0.033$ 0.043$ 0.016$ 5.582$ 417.0 " 766.8 # 423.2 " 592.1 " 236.6 " 39.39 " 13.48 # 26
27 27.04 " 0.023$ 0.066$ 0.033$ 22.06 " 390.2 "1388 # 392.0 " 523.1 " 203.3 " 41.78 " 12.66 # 27
28 22.38 " 0.027$ 0.096$ 0.082$ 25.18 " 545.0 "1445 # 380.1 " 458.9 " 187.8 " 43.28 " 11.87 # 28
29 18.38 " 0.118$ 0.101$ 24.30 " 554.1 "1066 # 407.4 " 397.8 " 170.0 " 42.87 " 11.09 # 29
30 14.35 " 0.180$ 0.123$ 21.05 " 442.6 " 994.5 # 376.9 " 350.1 " 155.6 " 41.07 " 10.34 # 30
31 10.33 " 0.247$ 17.57 " 893.8 # 347.1 " 143.7 " 9.627# 31
Mean 22.09 " 1.421$ 0.077$ 0.147$ 4.427$ 342.6 " 986.0 # 519.1 # 407.0 # 287.1 " 79.00 " 21.71 #
Median 22.80 " 0.525$ 0.077$ 0.039$ 0.483$ 389.6 " 821.1 # 472.8 # 373.1 # 236.6 " 73.42 " 21.44 #
Maximum 41.24 " 7.834$ 0.247$ 0.581$ 25.18 $ 554.1 "2606 # 859.4 # 774.1 # 709.2 " 139.5 " 37.55 #
Minimum 8.264" 0.023$ 0.001$ 0.009$ 0.147$ 13.82 " 409.9 # 347.1 # 197.9 # 143.7 " 39.39 " 9.627#
Total 684.7 " 39.79$ 2.39$ 4.40$ 137.2 $10279 "30564 #16091 #12210 # 8900 " 2370 " 672.9 #
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 224.5 $ " ... Relative Uncertainty +/-10%
Ann. Median 39.39 $ # ... Relative Uncertainty +/-15%
Annual Total 81957 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 2606 $ 0.001$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1983
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 8.947# 0.168$ 0.046$ 0.075$ 0.105$ 2.628$ 431.3 # 658.1 "2037 # 423.7 " 126.7 " 34.01 " 1
2 8.323# 0.137$ 0.025$ 0.094$ 0.165$ 2.613$ 354.3 # 578.8 "2008 # 396.8 " 118.9 " 32.06 " 2
3 7.752# 0.114$ 0.016$ 0.068$ 0.428$ 2.599$ 287.1 # 573.5 "2015 # 368.9 " 109.9 " 29.36 " 3
4 7.218# 0.102$ 0.012$ 0.052$ 0.316$ 2.585$ 256.8 # 572.2 "2971 # 345.4 " 104.5 " 28.18 " 4
5 6.716# 0.247$ 0.022$ 0.047$ 0.232$ 2.570$ 233.2 # 712.3 "2629 # 325.1 " 105.2 " 25.99 " 5
6 6.235# 0.378$ 0.027$ 0.055$ 0.647$ 2.556$ 224.3 # 771.5 "2753 # 308.2 " 107.8 " 23.60 " 6
7 5.763# 0.452$ 0.027$ 0.054$ 0.398$ 2.542$ 372.3 # 641.3 "3638 & 301.8 " 142.3 " 22.16 " 7
8 5.300# 0.430$ 0.036$ 0.097$ 0.441$ 2.528$ 572.5 # 591.1 "2870 # 291.3 " 169.9 " 20.75 " 8
9 4.861# 0.341$ 0.032$ 0.071$ 0.454$ 2.514$ 719.9 # 528.7 "2337 # 283.2 " 153.4 " 18.58 " 9
10 4.443# 0.293$ 0.038$ 0.054$ 0.461$ 2.500$ 645.7 # 473.2 "1635 # 275.7 " 143.8 " 17.84 " 10
11 4.048# 0.239$ 0.038$ 0.045$ 0.405$ 2.486$ 506.6 # 435.1 "1279 # 264.2 " 128.5 " 16.42 " 11
12 3.675# 0.209$ 0.034$ 0.037$ 0.601$ 2.472$ 500.4 # 584.2 "1397 # 270.3 " 111.4 " 14.59 " 12
13 3.324# 0.187$ 0.019$ 0.037$ 0.583$ 2.458$ 484.3 # 748.6 "1925 # 287.8 " 103.2 " 13.62 " 13
14 2.993# 0.190$ 0.014$ 0.034$ 0.643$ 2.444$ 412.4 # 839.2 #1703 # 273.4 " 96.55 " 12.71 " 14
15 2.679$ 0.454$ 0.013$ 0.027$ 0.606$ 2.430$ 361.7 # 837.0 #1744 # 260.4 " 89.10 " 11.36 " 15
16 2.379$ 1.259$ 0.012$ 0.023$ 0.551$ 2.416$ 353.3 # 667.5 "1603 # 252.9 " 84.08 " 9.830" 16
17 2.096$ 0.897$ 0.018$ 0.023$ 0.534$ 37.58 $ 325.9 # 963.0 #1422 # 248.4 " 85.35 " 8.967" 17
18 1.834$ 0.502$ 0.025$ 0.026$ 0.502$ 152.5 # 319.2 #1250 #1292 # 236.1 " 89.28 " 8.112" 18
19 1.593$ 0.314$ 0.041$ 0.023$ 0.602$ 216.1 # 324.3 #1014 #1098 # 225.8 " 90.97 " 6.947" 19
20 1.373$ 0.228$ 0.054$ 0.023$ 0.654$ 175.8 # 325.9 "1497 # 930.6 # 217.1 " 89.16 " 6.244" 20
21 1.171$ 0.208$ 0.072$ 0.023$ 0.543$ 175.5 # 336.4 "1591 # 815.4 # 204.1 " 83.89 " 5.204" 21
22 0.989$ 0.162$ 0.077$ 0.023$ 0.478$ 183.1 # 341.5 "1557 # 736.1 " 193.0 " 78.21 " 4.617" 22
23 0.824$ 0.153$ 0.056$ 0.023$ 0.411$ 142.8 # 359.1 "2526 # 670.6 " 180.8 " 72.59 " 4.260" 23
24 0.678$ 0.134$ 0.054$ 0.031$ 0.366$ 124.1 # 767.9 #2504 # 612.4 " 171.2 " 66.33 " 3.875" 24
25 0.548$ 0.171$ 0.054$ 0.041$ 0.322$ 196.4 #1347 #2104 # 558.7 " 164.8 " 61.22 " 3.606" 25
26 0.435$ 0.128$ 0.051$ 0.061$ 0.342$ 265.9 #1738 #1874 # 524.2 " 156.3 " 55.23 " 3.156" 26
27 0.336$ 0.090$ 0.036$ 0.084$ 0.795$ 389.6 #1309 #1868 # 518.0 " 149.4 " 49.62 " 2.836$ 27
28 0.253$ 0.071$ 0.032$ 0.128$ 2.483$ 569.9 # 984.4 #1920 # 496.1 " 145.3 " 45.17 " 2.955" 28
29 0.183$ 0.028$ 0.120$ 2.671$ 634.0 # 840.7 #1849 # 481.6 " 143.0 " 40.09 " 2.372$ 29
30 0.126$ 0.032$ 0.076$ 2.657$ 561.7 # 979.3 #1775 # 454.7 " 141.0 " 36.56 " 2.336$ 30
31 0.188$ 0.055$ 2.642$ 823.2 #1941 # 136.3 " 6.859" 31
Mean 3.138$ 0.295$ 0.035$ 0.053$ 0.743$ 128.8 $ 575.4 #1176 #1505 & 246.5 " 94.63 " 13.01 $
Median 2.379$ 0.209$ 0.032$ 0.046$ 0.502$ 2.621$ 412.4 # 839.2 #1410 & 252.9 " 90.13 " 9.830$
Maximum 8.947$ 1.259$ 0.077$ 0.128$ 2.671$ 634.0 $1738 #2526 #3638 & 423.7 " 169.9 " 34.01 $
Minimum 0.126$ 0.071$ 0.012$ 0.023$ 0.105$ 2.416$ 224.3 # 435.1 # 454.7 & 136.3 " 36.56 " 2.336$
Total 97.28$ 8.26$ 1.10$ 1.58$ 23.04$ 3865 $17839 #36444 #45153 & 7642 " 2839 " 403.4 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 313.2 & " ... Relative Uncertainty +/-10%
Ann. Median 9.830& # ... Relative Uncertainty +/-15%
Annual Total 114316 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3638 & 0.012&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1984
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 5.304" 0.061$ 0.023$ 0.049$ 0.640$ 42.61 " 186.7 " 457.0 " 486.6 # 276.8 " 154.8 " 83.21 " 1
2 4.622" 0.062$ 0.024$ 0.050$ 0.503$ 43.37 " 161.2 " 751.8 $ 473.5 # 308.4 " 158.8 " 79.22 " 2
3 4.001" 0.053$ 0.025$ 0.051$ 0.390$ 57.63 " 165.0 "1008 $ 531.3 # 298.4 " 153.4 " 73.44 " 3
4 3.433" 0.049$ 0.025$ 0.056$ 0.286$ 53.99 " 478.7 " 822.4 $ 628.7 # 297.0 " 132.3 " 66.46 " 4
5 2.917$ 0.050$ 0.026$ 0.056$ 0.228$ 236.5 " 924.6 # 909.4 $1068 # 278.1 " 130.7 " 61.92 " 5
6 2.439$ 0.050$ 0.027$ 0.057$ 0.197$ 361.9 " 939.8 #1001 $ 897.2 # 256.3 " 199.7 " 58.15 " 6
7 2.001$ 0.053$ 0.028$ 0.067$ 0.273$ 189.8 " 850.1 # 872.8 $ 736.8 # 253.1 " 233.4 " 54.38 " 7
8 1.614$ 0.044$ 0.028$ 0.075$ 0.305$ 156.7 " 936.2 # 968.6 $ 997.1 $ 265.6 " 482.7 " 51.43 " 8
9 1.276$ 0.034$ 0.029$ 0.087$ 0.389$ 133.2 " 800.2 #1038 $1356 $ 236.7 " 541.5 " 49.94 " 9
10 0.984$ 0.031$ 0.030$ 0.099$ 0.382$ 118.1 " 609.5 " 826.5 # 999.6 $ 226.3 " 393.9 " 46.15 " 10
11 0.737$ 0.039$ 0.031$ 0.225$ 0.401$ 105.2 " 490.5 " 689.5 # 826.5 $ 214.1 " 326.7 " 42.97 " 11
12 0.532$ 0.029$ 0.031$ 0.182$ 0.349$ 96.78 " 413.8 " 578.3 # 718.4 $ 211.1 " 280.5 " 43.17 " 12
13 0.365$ 0.030$ 0.032$ 0.154$ 0.309$ 111.3 " 348.7 " 532.6 # 945.5 $ 208.6 " 232.0 " 42.82 " 13
14 0.258$ 0.029$ 0.033$ 0.133$ 0.304$ 109.3 " 303.1 " 559.2 #1961 $ 204.2 " 188.6 " 41.66 " 14
15 0.236$ 0.024$ 0.034$ 0.129$ 0.329$ 92.37 " 293.9 " 790.3 #1914 $ 206.6 " 156.4 " 40.47 " 15
16 0.187$ 0.023$ 0.035$ 0.119$ 0.309$ 87.67 " 447.6 " 792.0 #1236 $ 184.4 " 141.1 " 38.69 " 16
17 0.151$ 0.021$ 0.035$ 0.150$ 0.394$ 79.31 " 418.3 " 681.3 #1031 $ 169.9 " 251.7 " 36.13 " 17
18 0.195$ 0.029$ 0.036$ 0.122$ 0.410$ 74.73 " 408.2 " 619.8 # 888.0 $ 158.6 " 322.3 " 33.89 " 18
19 0.169$ 0.017$ 0.037$ 0.104$ 0.541$ 70.48 " 359.6 " 667.9 # 763.0 $ 146.6 " 268.1 " 31.95 " 19
20 0.134$ 0.018$ 0.038$ 0.115$ 0.571$ 81.65 " 326.7 " 714.1 # 658.8 $ 137.8 " 256.9 " 29.48 " 20
21 0.147$ 0.023$ 0.039$ 0.148$ 0.496$ 149.1 " 290.1 " 628.3 # 568.0 " 129.1 " 221.4 " 27.11 " 21
22 0.110$ 0.028$ 0.040$ 0.149$ 0.408$ 215.9 " 257.0 " 615.7 # 497.7 " 122.7 " 187.2 " 24.45 " 22
23 0.072$ 0.020$ 0.041$ 0.117$ 0.339$ 170.2 " 232.0 " 570.3 # 443.7 " 120.4 " 159.3 " 21.69 " 23
24 0.067$ 0.020$ 0.041$ 0.124$ 0.566$ 146.9 " 213.3 " 497.6 # 403.8 " 119.0 " 141.4 " 19.73 " 24
25 0.068$ 0.020$ 0.042$ 0.114$ 1.231$ 439.1 " 288.8 " 462.8 # 368.7 " 112.6 " 127.3 " 17.65 " 25
26 0.068$ 0.021$ 0.043$ 0.123$ 1.075$ 386.9 " 768.2 # 455.6 # 343.7 " 108.2 " 117.1 " 16.07 " 26
27 0.075$ 0.022$ 0.044$ 0.108$ 15.91 $ 256.5 " 680.5 " 428.1 # 322.1 " 103.9 " 110.6 " 19.03 " 27
28 0.059$ 0.022$ 0.045$ 0.106$ 56.47 " 214.7 " 639.1 " 421.0 # 302.0 " 99.57 " 103.6 " 19.95 " 28
29 0.054$ 0.023$ 0.046$ 0.618$ 87.44 " 185.3 " 599.7 " 435.1 # 284.4 " 95.26 " 97.49 " 36.78 " 29
30 0.062$ 0.047$ 0.753$ 62.28 " 181.7 " 572.4 " 582.0 # 269.7 " 113.3 " 89.41 " 79.87 " 30
31 0.066$ 0.048$ 53.33 " 483.5 " 529.5 # 156.1 " 83.56 " 31
Mean 1.045$ 0.033$ 0.035$ 0.148$ 9.260$ 155.0 " 480.2 # 674.4 $ 764.0 $ 187.7 " 212.0 " 44.24 "
Median 0.195$ 0.029$ 0.035$ 0.116$ 0.401$ 125.7 " 418.3 # 628.3 $ 688.6 $ 184.4 " 173.3 " 41.66 "
Maximum 5.304$ 0.062$ 0.048$ 0.753$ 87.44 $ 439.1 " 939.8 #1038 $1961 $ 308.4 " 541.5 " 83.56 "
Minimum 0.054$ 0.017$ 0.023$ 0.049$ 0.197$ 42.61 " 161.2 # 421.0 $ 269.7 $ 95.26 " 89.41 " 16.07 "
Total 32.40$ 0.95$ 1.08$ 4.44$ 287.1 $ 4649 "14887 #20907 $22921 $ 5819 " 6360 " 1371 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 211.0 $ " ... Relative Uncertainty +/-10%
Ann. Median 74.08 $ # ... Relative Uncertainty +/-15%
Annual Total 77241 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1961 $ 0.017$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1985
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 66.57 " 0.439$ 0.024$ 0.010$ 0.164$ 17.75 " 528.7 " 316.5 " 962.6 # 357.9 " 128.3 " 40.28 " 1
2 54.63 " 0.359$ 0.021$ 0.008$ 0.142$ 14.64 " 642.3 " 287.2 " 792.4 # 328.2 " 114.1 " 36.97 " 2
3 43.74 " 0.306$ 0.018$ 0.010$ 0.238$ 12.74 " 525.2 " 432.6 " 694.2 " 316.7 " 109.7 " 32.99 " 3
4 35.30 " 0.252$ 0.016$ 0.012$ 0.215$ 12.25 " 472.0 " 519.6 " 609.2 " 317.7 " 109.3 " 31.68 " 4
5 28.93 " 0.179$ 0.013$ 0.010$ 0.171$ 12.88 " 416.2 " 644.7 " 533.4 " 327.1 " 100.9 " 31.18 " 5
6 23.94 " 0.169$ 0.011$ 0.006$ 0.137$ 20.00 " 343.3 " 772.3 " 469.3 " 285.4 " 90.96 " 28.37 " 6
7 20.07 " 0.160$ 0.013$ 0.011$ 0.128$ 37.41 " 288.9 " 610.1 " 424.1 " 257.3 " 89.30 " 25.26 " 7
8 15.55 " 0.150$ 0.023$ 0.028$ 0.116$ 91.64 " 295.7 " 611.8 " 422.5 " 236.7 " 163.8 " 16.46 " 8
9 13.07 " 0.141$ 0.025$ 0.984$ 0.117$ 80.28 " 322.9 " 686.3 " 453.3 " 225.4 " 266.7 " 8.432" 9
10 11.14 " 0.132$ 0.032$ 0.636$ 0.128$ 70.76 " 266.7 " 697.9 " 405.6 " 216.7 " 222.1 " 5.222" 10
11 8.789" 0.124$ 0.044$ 0.367$ 0.127$ 58.94 " 341.9 " 584.6 " 384.0 " 200.4 " 211.5 " 4.083" 11
12 7.427" 0.116$ 0.039$ 0.296$ 0.110$ 61.90 " 350.0 " 544.6 " 352.5 " 206.3 " 179.5 " 9.507" 12
13 6.290" 0.108$ 0.031$ 0.203$ 0.112$ 68.46 " 380.3 " 522.6 " 322.5 " 235.3 " 151.0 " 10.84 " 13
14 5.203" 0.100$ 0.025$ 0.148$ 0.108$ 68.50 " 560.0 " 462.2 " 305.5 " 212.3 " 126.3 " 9.740" 14
15 4.214" 0.093$ 0.017$ 0.130$ 0.108$ 68.02 " 444.1 " 410.8 " 312.6 " 198.5 " 106.7 " 9.461" 15
16 3.475" 0.086$ 0.017$ 0.104$ 0.110$ 105.4 " 382.5 " 371.7 " 300.3 " 190.6 " 96.16 " 8.915" 16
17 3.838" 0.080$ 0.026$ 0.097$ 0.108$ 252.8 " 341.1 " 334.6 " 415.3 " 186.7 " 86.73 " 8.626" 17
18 3.483" 0.073$ 0.030$ 0.090$ 0.111$ 144.7 " 308.7 " 420.4 " 643.9 " 182.2 " 77.22 " 9.375" 18
19 2.841" 0.068$ 0.027$ 0.078$ 0.163$ 108.2 " 404.7 " 798.5 # 510.5 " 167.3 " 70.22 " 9.560" 19
20 3.239" 0.062$ 0.019$ 0.072$ 1.917$ 230.6 # 568.4 "1244 # 473.1 " 161.2 " 64.81 " 10.30 " 20
21 3.561" 0.057$ 0.018$ 0.085$ 2.464$1313 # 472.7 " 892.1 # 461.6 " 172.0 " 64.57 " 9.076" 21
22 2.832$ 0.052$ 0.016$ 0.077$ 1.352$ 906.3 # 411.0 " 723.6 " 723.5 # 163.4 " 70.62 " 8.001" 22
23 2.510$ 0.047$ 0.013$ 0.068$ 0.849$ 641.2 " 357.9 " 646.1 " 811.7 # 145.8 " 75.98 " 6.732" 23
24 2.185$ 0.042$ 0.014$ 0.073$ 0.568$ 512.9 " 346.2 " 837.4 # 824.5 # 136.7 " 67.45 " 6.066" 24
25 1.698$ 0.038$ 0.016$ 0.096$ 0.738$ 549.8 " 322.9 "1147 # 813.8 # 129.3 " 60.72 " 6.036" 25
26 1.317$ 0.034$ 0.021$ 0.133$ 2.649$ 462.3 " 300.8 "1233 # 730.4 " 140.8 " 56.71 " 5.431" 26
27 1.117$ 0.030$ 0.022$ 0.161$ 7.522" 423.5 " 431.8 "1676 # 602.1 " 144.3 " 51.92 " 4.665" 27
28 0.931$ 0.027$ 0.016$ 0.166$ 14.28 " 352.0 " 578.6 "1425 # 494.7 " 165.7 " 45.66 " 4.557" 28
29 0.751$ 0.014$ 0.170$ 15.24 " 464.6 " 442.4 "1128 # 432.0 " 172.4 " 42.11 " 4.733" 29
30 0.616$ 0.012$ 0.177$ 30.62 " 422.7 " 405.3 "1000 # 392.5 " 157.3 " 41.08 " 4.333" 30
31 0.489$ 0.017$ 23.27 " 358.5 "1074 # 144.5 " 3.314" 31
Mean 12.25 $ 0.126$ 0.021$ 0.150$ 3.357$ 252.9 # 406.8 " 743.7 # 535.8 # 209.1 " 104.7 " 13.23 "
Median 3.838$ 0.097$ 0.018$ 0.093$ 0.164$ 98.52 # 382.5 " 646.1 # 471.2 # 190.6 " 90.13 " 9.076"
Maximum 66.57 $ 0.439$ 0.044$ 0.984$ 30.62 $1313 # 642.3 "1676 # 962.6 # 357.9 " 266.7 " 40.28 "
Minimum 0.489$ 0.027$ 0.011$ 0.006$ 0.108$ 12.25 # 266.7 " 287.2 # 300.3 # 129.3 " 41.08 " 3.314"
Total 379.8 $ 3.52$ 0.65$ 4.50$ 104.1 $ 7586 #12612 "23054 #16074 # 6482 " 3142 " 410.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 191.4 $ " ... Relative Uncertainty +/-10%
Ann. Median 35.30 $ # ... Relative Uncertainty +/-15%
Annual Total 69852 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1676 $ 0.006$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1986
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.914" 0.000$ 0.028$ 0.075$ 0.043$ 100.9 " 876.9 #2293 # 739.9 " 349.4 " 154.3 " 36.15 " 1
2 2.259$ 0.000$ 0.027$ 0.057$ 0.045$ 90.11 " 697.8 "1724 # 698.1 " 323.8 " 145.6 " 35.13 " 2
3 1.499$ 0.000$ 0.016$ 0.060$ 0.042$ 81.11 " 702.7 "1330 # 737.5 " 308.0 " 149.7 " 32.23 " 3
4 1.011$ 0.000$ 0.011$ 0.087$ 0.043$ 73.52 " 774.6 "1051 # 809.4 # 293.8 " 157.6 " 29.85 " 4
5 0.751$ 0.000$ 0.005$ 0.097$ 0.105$ 70.13 " 747.4 " 918.2 # 694.4 " 283.2 " 144.8 " 28.18 " 5
6 0.597$ 0.000$ 0.004$ 0.094$ 0.361$ 88.80 " 693.8 "1989 # 630.2 " 285.9 " 136.8 " 27.22 " 6
7 0.379$ 0.000$ 0.001$ 0.094$ 0.486$ 96.13 " 584.8 "2241 # 579.5 " 266.6 " 131.0 " 24.01 " 7
8 0.304$ 0.000$ 0.001$ 0.085$ 0.388$ 76.25 " 445.9 "1473 # 539.3 " 251.3 " 124.3 " 22.00 " 8
9 0.523$ 0.000$ 0.004$ 0.104$ 0.287$ 67.46 " 379.0 "1493 # 506.9 " 240.6 " 122.0 " 20.41 " 9
10 0.528$ 0.000$ 0.032$ 0.087$ 0.276$ 63.50 " 334.0 "1359 # 473.5 " 232.5 " 116.9 " 18.93 " 10
11 0.392$ 0.000$ 0.034$ 0.056$ 0.227$ 58.61 " 318.5 "1571 # 514.8 " 223.4 " 109.4 " 17.35 " 11
12 0.288$ 0.000$ 0.036$ 0.051$ 0.189$ 54.04 " 312.9 "1499 # 476.4 " 298.1 " 102.4 " 16.01 " 12
13 0.188$ 0.000$ 0.026$ 0.069$ 0.151$ 50.94 " 341.1 "1145 # 439.2 " 370.0 " 99.13 " 14.04 " 13
14 0.136$ 0.001$ 0.015$ 0.070$ 0.142$ 47.16 " 508.5 "1037 # 452.8 " 345.6 " 94.54 " 12.78 " 14
15 0.102$ 0.000$ 0.017$ 0.048$ 0.161$ 46.67 " 843.6 #1294 # 547.0 " 343.0 " 89.74 " 11.99 " 15
16 0.084$ 0.001$ 0.019$ 0.053$ 0.187$ 363.2 " 739.7 #1025 # 576.4 " 339.0 " 86.62 " 10.53 " 16
17 0.068$ 0.001$ 0.021$ 0.046$ 0.256$ 460.7 " 700.2 "1152 # 566.6 " 422.6 " 82.44 " 9.351" 17
18 0.052$ 0.001$ 0.016$ 0.041$ 6.108$ 189.0 " 753.4 "1574 # 635.1 " 400.8 " 77.25 " 8.416" 18
19 0.035$ 0.001$ 0.094$ 0.040$ 65.31 " 145.1 " 841.5 #1198 # 614.7 " 355.2 " 70.44 " 7.462" 19
20 0.019$ 0.001$ 0.132$ 0.048$ 130.0 " 121.6 "1099 #1065 # 586.1 " 321.7 " 63.51 " 6.877" 20
21 0.010$ 0.002$ 0.114$ 0.063$ 354.1 " 105.0 "3583 &1262 # 597.1 " 282.1 " 58.30 " 6.019" 21
22 0.006$ 0.005$ 0.081$ 0.070$ 401.3 " 97.29 "3398 &1771 # 576.2 " 248.0 " 52.71 " 5.322" 22
23 0.005$ 0.009$ 0.044$ 0.103$ 254.3 " 104.1 "4005 &1269 # 549.0 " 224.3 " 49.54 " 4.733" 23
24 0.003$ 0.009$ 0.040$ 0.083$ 140.4 " 326.9 "2358 #1096 # 499.1 " 207.6 " 44.62 " 3.794" 24
25 0.002$ 0.004$ 0.043$ 0.070$ 267.5 " 487.7 "1494 #1121 # 473.3 " 192.8 " 42.24 " 3.544" 25
26 0.003$ 0.022$ 0.032$ 0.073$ 325.7 " 841.9 #1118 #1014 # 478.4 " 180.3 " 38.00 " 3.518" 26
27 0.002$ 0.058$ 0.025$ 0.064$ 225.8 " 735.8 # 889.5 # 930.3 # 436.3 " 192.1 " 35.68 " 2.703$ 27
28 0.002$ 0.040$ 0.050$ 0.070$ 152.4 "1368 # 744.6 "1035 # 398.2 " 202.1 " 33.65 " 2.306$ 28
29 0.001$ 0.072$ 0.072$ 135.9 "1833 # 755.7 # 931.2 # 370.3 " 181.9 " 31.13 " 2.195$ 29
30 0.000$ 0.057$ 0.046$ 134.4 "1271 #2600 & 831.0 # 358.6 " 174.2 " 35.32 " 1.869$ 30
31 0.000$ 0.063$ 116.1 " 2856 # 793.1 " 162.8 " 1.359$ 31
Mean 0.392$ 0.006$ 0.037$ 0.069$ 87.50 $ 317.2 #1177 &1306 # 551.8 # 274.3 " 89.32 " 13.75 $
Median 0.084$ 0.001$ 0.028$ 0.070$ 0.388$ 99.10 # 753.4 &1198 # 548.0 # 282.1 " 88.18 " 10.53 $
Maximum 2.914$ 0.058$ 0.132$ 0.104$ 401.3 $1833 #4005 &2293 # 809.4 # 422.6 " 157.6 " 36.15 $
Minimum 0.000$ 0.000$ 0.001$ 0.040$ 0.042$ 46.67 # 312.9 & 793.1 # 358.6 # 162.8 " 31.13 " 1.359$
Total 12.16$ 0.15$ 1.16$ 2.07$ 2713 $ 9516 #36496 &40485 #16554 # 8503 " 2679 " 426.3 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 321.6 & " ... Relative Uncertainty +/-10%
Ann. Median 58.30 & # ... Relative Uncertainty +/-15%
Annual Total 117388 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4005 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1987
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.960$ 0.077$ 0.012$ 0.068$ 0.268$ 4.721" 192.4 " 818.3 # 453.5 " 205.0 " 122.3 " 20.82 " 1
2 0.713$ 0.068$ 0.014$ 0.060$ 0.239$ 4.268" 202.4 " 639.2 " 398.7 " 179.7 " 178.1 " 23.09 " 2
3 0.531$ 0.062$ 0.012$ 0.052$ 0.195$ 4.205" 225.4 " 529.7 " 355.0 " 162.5 " 141.8 " 18.82 " 3
4 0.366$ 0.062$ 0.012$ 0.105$ 0.173$ 4.273" 303.8 " 442.0 " 325.1 " 154.3 " 108.7 " 14.97 " 4
5 0.312$ 0.049$ 0.009$ 0.096$ 0.155$ 4.900" 265.4 " 378.8 " 303.1 " 143.8 " 88.85 " 13.51 " 5
6 0.239$ 0.056$ 0.011$ 0.085$ 0.155$ 10.96 " 247.1 " 336.2 " 274.2 " 129.7 " 75.56 " 12.07 " 6
7 0.201$ 0.055$ 0.012$ 0.061$ 0.146$ 67.45 " 296.8 " 303.1 " 250.5 " 118.1 " 63.23 " 10.59 " 7
8 0.207$ 0.043$ 0.009$ 0.112$ 0.220$ 107.1 "1265 # 277.6 " 230.6 " 109.8 " 52.52 " 9.192" 8
9 0.260$ 0.048$ 0.006$ 0.120$ 0.601$ 86.68 "1111 # 254.7 " 215.6 " 104.8 " 44.85 " 7.727" 9
10 0.416$ 0.043$ 0.010$ 0.113$ 3.378" 73.07 " 767.7 # 236.7 " 205.2 " 98.40 " 38.34 " 7.415" 10
11 0.364$ 0.045$ 0.015$ 0.203$ 2.787$ 65.92 " 597.2 " 223.6 " 191.7 " 89.41 " 33.89 " 6.708" 11
12 0.290$ 0.033$ 0.017$ 0.185$ 1.443$ 53.59 " 494.3 " 267.7 " 177.9 " 83.70 " 29.23 " 5.479" 12
13 0.238$ 0.024$ 0.027$ 0.159$ 0.937$ 48.12 " 437.9 " 420.4 " 166.9 " 88.76 " 26.01 " 5.064" 13
14 0.221$ 0.026$ 0.025$ 0.142$ 1.602$ 55.51 " 370.6 " 324.4 " 158.7 " 121.6 " 24.61 " 4.320" 14
15 0.204$ 0.019$ 0.032$ 0.118$ 1.364$ 140.1 " 345.2 " 301.8 " 150.5 " 183.0 " 22.60 " 3.924" 15
16 0.200$ 0.022$ 0.031$ 0.097$ 0.956$ 134.9 " 386.7 " 284.6 " 142.4 " 146.1 " 21.99 " 3.601" 16
17 0.175$ 0.015$ 0.342$ 0.107$ 0.831$ 214.4 " 337.2 " 256.7 " 138.4 " 123.1 " 23.57 " 2.971" 17
18 0.158$ 0.019$ 0.267$ 0.110$ 0.765$ 390.1 " 296.3 " 232.6 " 139.7 " 114.2 " 23.29 " 2.443$ 18
19 0.155$ 0.020$ 0.190$ 0.106$ 0.643$ 494.5 " 264.8 " 217.4 " 140.1 " 98.82 " 22.49 " 2.145$ 19
20 0.133$ 0.014$ 0.152$ 0.126$ 0.655$ 502.6 " 235.9 " 232.2 " 132.0 " 88.82 " 24.32 " 1.535$ 20
21 0.122$ 0.017$ 0.109$ 0.104$ 0.730$ 418.9 " 216.4 " 345.2 " 128.3 " 82.67 " 23.37 " 1.105$ 21
22 0.110$ 0.015$ 0.096$ 0.086$ 0.815$ 400.9 " 232.3 " 313.4 " 130.6 " 76.91 " 24.39 " 0.677$ 22
23 0.137$ 0.023$ 0.093$ 0.086$ 0.734$ 343.9 " 373.0 " 272.7 " 289.0 " 71.81 " 21.50 " 0.485$ 23
24 0.122$ 0.016$ 0.101$ 0.149$ 4.972$ 271.2 " 434.5 " 265.8 " 363.2 " 70.07 " 20.15 " 0.485$ 24
25 0.140$ 0.015$ 0.081$ 0.227$ 6.338" 243.7 " 346.9 " 475.5 " 250.1 " 67.68 " 17.95 " 0.530$ 25
26 0.120$ 0.015$ 0.113$ 0.434$ 6.231" 206.8 " 315.5 " 629.2 " 253.6 " 66.08 " 15.48 " 0.922$ 26
27 0.097$ 0.015$ 0.100$ 0.331$ 6.119" 184.7 " 279.6 " 494.2 " 324.3 " 61.02 " 13.64 " 0.808$ 27
28 0.087$ 0.012$ 0.092$ 0.313$ 6.197" 172.1 " 260.6 " 439.6 " 303.6 " 56.08 " 14.04 " 0.504$ 28
29 0.087$ 0.069$ 0.240$ 6.015" 237.9 " 567.0 " 609.3 " 252.4 " 56.55 " 17.43 " 0.369$ 29
30 0.099$ 0.050$ 0.218$ 5.903" 217.1 " 826.0 # 677.5 " 229.4 " 61.51 " 15.83 " 0.325$ 30
31 0.092$ 0.058$ 4.977" 787.3 # 527.0 " 76.60 " 0.499$ 31
Mean 0.244$ 0.033$ 0.070$ 0.147$ 2.147$ 172.1 " 428.4 # 388.0 # 235.8 " 106.1 " 45.00 " 5.907$
Median 0.200$ 0.023$ 0.032$ 0.112$ 0.831$ 137.5 " 337.2 # 324.4 # 230.0 " 98.40 " 24.35 " 3.601$
Maximum 0.960$ 0.077$ 0.342$ 0.434$ 6.338$ 502.6 "1265 # 818.3 # 453.5 " 205.0 " 178.1 " 23.09 $
Minimum 0.087$ 0.012$ 0.006$ 0.052$ 0.146$ 4.205" 192.4 # 217.4 # 128.3 " 56.08 " 13.64 " 0.325$
Total 7.56$ 0.93$ 2.17$ 4.41$ 66.54$ 5164 "13282 #12027 # 7074 " 3290 " 1350 " 183.1 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 116.3 $ " ... Relative Uncertainty +/-10%
Ann. Median 12.07 $ # ... Relative Uncertainty +/-15%
Annual Total 42453 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1265 $ 0.006$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1988
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.643$ 0.011$ 0.000$ 0.000$ 0.122$ 677.3 " 852.4 # 741.8 "1056 # 903.6 # 265.9 " 76.57 " 1
2 0.679$ 0.007$ 0.000$ 0.000$ 0.089$ 793.9 " 722.4 " 682.7 " 972.6 # 836.2 # 293.4 " 73.41 " 2
3 0.469$ 0.005$ 0.000$ 0.000$ 0.071$ 699.1 " 633.6 " 629.6 " 848.9 # 791.4 " 294.5 " 68.23 " 3
4 0.290$ 0.004$ 0.000$ 0.000$ 0.104$ 434.6 " 612.3 " 585.0 " 737.9 " 756.8 " 285.2 " 64.85 " 4
5 0.200$ 0.001$ 0.000$ 0.000$ 0.121$ 286.2 "1643 # 542.1 " 708.9 " 685.0 " 267.3 " 59.18 " 5
6 0.127$ 0.000$ 0.000$ 0.000$ 0.134$ 407.3 "1473 # 504.6 " 896.6 # 667.7 " 267.8 " 54.21 " 6
7 0.097$ 0.000$ 0.000$ 0.000$ 0.144$ 598.2 "1532 # 469.9 " 856.7 # 751.8 " 347.9 " 49.65 " 7
8 0.078$ 0.000$ 0.000$ 0.000$ 0.130$ 680.3 "1594 # 441.8 " 834.1 # 667.0 " 384.1 " 46.93 " 8
9 0.085$ 0.003$ 0.000$ 0.000$ 0.120$ 487.0 "1332 # 484.3 " 803.0 " 623.9 " 300.3 " 43.86 " 9
10 0.093$ 0.001$ 0.000$ 0.000$ 0.108$ 903.9 #1109 # 800.9 # 777.2 " 583.1 " 264.4 " 43.89 " 10
11 0.075$ 0.000$ 0.000$ 0.000$ 0.084$ 811.0 # 934.9 # 694.1 " 737.5 " 541.3 " 236.0 " 41.49 " 11
12 0.149$ 0.000$ 0.000$ 0.000$ 0.986$ 752.6 # 821.7 #1077 # 674.9 " 511.9 " 241.3 " 39.66 " 12
13 0.355$ 0.000$ 0.000$ 0.000$ 5.070$1189 # 953.3 #1559 # 615.6 " 473.3 " 251.6 " 35.65 " 13
14 0.342$ 0.000$ 0.000$ 0.000$ 7.390" 953.1 # 969.3 #1494 # 576.7 " 441.4 " 225.8 " 33.73 " 14
15 0.219$ 0.000$ 0.000$ 0.000$ 9.102" 929.0 # 914.2 #2347 # 581.1 " 409.4 " 212.4 " 32.47 " 15
16 0.158$ 0.000$ 0.000$ 0.000$ 94.73 "1480 # 881.2 #2145 # 571.5 " 381.1 " 196.1 " 29.81 " 16
17 0.116$ 0.000$ 0.000$ 0.000$ 120.0 "1038 # 877.4 #1727 # 544.5 " 358.7 " 176.3 " 27.49 " 17
18 0.101$ 0.000$ 0.000$ 0.000$ 92.09 " 747.6 #1196 #1416 # 512.9 " 346.7 " 123.6 " 25.60 " 18
19 0.099$ 0.000$ 0.000$ 0.000$ 88.31 " 651.3 " 985.0 #1293 # 489.6 " 387.3 " 144.8 " 23.77 " 19
20 0.094$ 0.000$ 0.000$ 0.000$ 124.3 " 806.1 # 833.3 #1204 # 515.7 " 595.8 " 136.5 " 22.43 " 20
21 0.101$ 0.000$ 0.000$ 0.013$ 247.6 " 644.7 " 728.7 "1120 # 560.9 " 537.7 " 128.8 " 20.96 " 21
22 0.110$ 0.000$ 0.000$ 0.013$ 152.3 " 523.7 " 683.2 " 940.6 # 711.2 # 457.9 " 121.0 " 18.83 " 22
23 0.090$ 0.000$ 0.000$ 0.009$ 110.6 " 473.8 "1260 # 881.6 # 875.0 # 418.0 " 114.8 " 16.47 " 23
24 0.072$ 0.000$ 0.000$ 0.016$ 93.66 "1750 &3018 #1069 # 766.2 " 375.9 " 109.2 " 15.11 " 24
25 0.058$ 0.000$ 0.000$ 0.024$ 89.34 "5540 &2174 #1503 # 740.2 " 338.2 " 102.9 " 13.06 " 25
26 0.044$ 0.000$ 0.000$ 0.026$ 94.38 "3870 &1561 #1351 # 730.4 " 323.2 " 97.79 " 10.50 " 26
27 0.045$ 0.000$ 0.000$ 0.037$ 81.85 "2370 #1400 #1092 # 737.0 " 312.3 " 93.40 " 9.848" 27
28 0.033$ 0.000$ 0.000$ 0.050$ 68.77 "1937 #1353 # 983.4 # 764.3 " 288.8 " 88.63 " 9.276" 28
29 0.029$ 0.000$ 0.000$ 0.171$ 61.14 "1403 #1088 #1155 # 831.7 # 271.6 " 83.53 " 8.137" 29
30 0.024$ 0.000$ 0.171$ 75.17 "1057 # 929.5 #1311 # 997.9 # 255.8 " 79.76 " 7.464" 30
31 0.022$ 0.000$ 199.9 " 816.4 #1156 # 244.5 " 7.216" 31
Mean 0.164$ 0.001$ 0.000$ 0.018$ 58.64 $1163 &1157 #1078 # 734.2 # 501.2 # 197.8 " 33.22 "
Median 0.099$ 0.000$ 0.000$ 0.000$ 61.14 $ 800.0 & 969.3 #1077 # 737.7 # 457.9 # 204.3 " 29.81 "
Maximum 0.679$ 0.011$ 0.000$ 0.171$ 247.6 $5540 &3018 #2347 #1056 # 903.6 # 384.1 " 76.57 "
Minimum 0.022$ 0.000$ 0.000$ 0.000$ 0.071$ 286.2 & 612.3 # 441.8 # 489.6 # 244.5 # 79.76 " 7.216"
Total 5.10$ 0.03$ 0.00$ 0.53$ 1818 $34895 &35881 #33403 #22027 #15537 # 5935 " 1030 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 411.3 & " ... Relative Uncertainty +/-10%
Ann. Median 106.1 & # ... Relative Uncertainty +/-15%
Annual Total 150531 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 5540 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1989
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 6.056" 0.526$ 3.600$ 0.116$ 0.225$ 29.12 " 223.6 " 372.9 " 550.9 " 376.7 " 231.4 " 24.00 " 1
2 5.143" 0.381$ 1.984$ 0.249$ 0.222$ 27.74 " 193.7 " 342.0 " 640.3 " 709.4 # 207.1 " 22.28 " 2
3 4.244" 0.291$ 2.030$ 0.328$ 0.202$ 28.14 " 184.3 " 395.6 " 498.7 "1022 # 184.8 " 20.69 " 3
4 3.544" 0.286$ 3.809" 0.215$ 0.185$ 30.21 " 138.0 " 369.9 " 432.9 " 845.2 # 166.3 " 19.20 " 4
5 3.025" 0.260$ 3.520" 0.158$ 0.175$ 29.19 " 108.3 " 344.5 " 403.2 " 859.1 # 153.2 " 17.00 " 5
6 3.385" 0.233$ 3.287" 0.136$ 0.167$ 46.54 " 93.32 " 399.2 " 375.3 " 766.6 " 141.9 " 15.22 " 6
7 3.209" 0.236$ 2.269$ 0.129$ 0.161$ 86.11 " 99.28 " 329.3 " 349.5 " 698.3 " 131.1 " 13.52 " 7
8 3.355" 0.214$ 1.373$ 0.126$ 0.154$ 55.49 " 147.2 " 278.7 " 363.7 " 592.5 " 121.5 " 12.69 " 8
9 3.738" 0.211$ 0.876$ 0.126$ 0.154$ 38.31 " 132.9 " 260.9 " 330.3 " 507.9 " 113.1 " 11.77 " 9
10 3.688" 0.160$ 0.616$ 0.130$ 0.150$ 29.81 " 99.64 " 243.0 " 290.9 " 465.5 " 110.2 " 11.14 " 10
11 3.555" 0.137$ 0.406$ 0.125$ 0.150$ 25.66 " 111.7 " 214.3 " 264.7 " 431.3 " 108.8 " 9.656" 11
12 3.367" 0.130$ 0.294$ 0.121$ 0.151$ 27.89 " 207.1 " 204.7 " 242.8 " 377.8 " 111.9 " 7.953" 12
13 2.572$ 0.137$ 0.238$ 0.127$ 0.160$ 34.31 " 225.6 " 224.8 " 225.9 " 367.0 " 127.4 " 7.510" 13
14 4.705$ 0.165$ 0.186$ 0.168$ 0.149$ 38.17 " 364.9 " 222.9 " 221.8 " 370.0 " 124.8 " 6.669" 14
15 6.146" 0.352$ 0.163$ 0.147$ 0.270$ 50.87 " 320.4 " 206.0 " 293.3 " 336.9 " 110.9 " 5.730" 15
16 14.07 " 1.598$ 0.150$ 0.125$ 0.771$ 36.66 " 236.6 " 188.8 " 285.8 " 295.9 " 97.98 " 4.765" 16
17 16.75 " 0.871$ 0.131$ 0.118$ 1.951$ 32.32 " 196.5 " 234.9 " 277.9 " 305.5 " 84.29 " 4.132" 17
18 11.64 " 0.417$ 0.120$ 0.107$ 1.374$ 30.53 " 164.6 " 975.5 # 403.0 " 347.3 " 77.51 " 3.612" 18
19 8.245" 0.234$ 0.111$ 0.092$ 0.886$ 26.23 " 199.2 " 871.4 # 361.0 " 372.8 " 72.80 " 3.409" 19
20 7.206" 0.170$ 0.109$ 0.095$ 1.278$ 19.69 " 355.2 " 746.7 " 387.3 " 307.6 " 65.38 " 3.229" 20
21 6.178" 0.154$ 0.104$ 0.110$ 10.85 " 14.38 " 508.5 " 754.2 " 377.6 " 351.1 " 59.01 " 2.514$ 21
22 4.669" 0.131$ 0.079$ 0.104$ 32.62 " 27.42 " 433.3 " 598.6 " 343.2 " 334.4 " 54.32 " 2.017$ 22
23 2.970$ 0.150$ 0.061$ 0.212$ 19.75 " 20.90 " 407.9 " 492.9 " 319.1 " 279.4 " 49.61 " 1.945$ 23
24 2.172$ 0.110$ 0.052$ 0.521$ 12.22 " 11.62 " 511.7 " 468.8 " 305.3 " 259.1 " 44.69 " 5.063$ 24
25 2.777$ 0.293$ 0.045$ 0.457$ 8.781" 14.53 " 536.1 " 418.2 " 272.3 " 288.3 " 40.12 " 6.236" 25
26 3.659" 3.217$ 0.052$ 0.345$ 7.340" 17.42 " 400.2 " 354.9 " 240.7 " 297.9 " 37.02 " 6.936" 26
27 2.449$ 1.518$ 0.062$ 0.318$ 26.48 " 42.90 " 588.9 # 330.2 " 242.3 " 254.6 " 35.26 " 6.223" 27
28 1.710$ 5.993" 0.068$ 0.283$ 46.09 " 68.82 " 951.2 # 328.2 " 321.3 " 283.3 " 25.34 " 5.768" 28
29 1.308$ 0.066$ 0.244$ 47.72 " 106.3 " 706.1 # 508.2 " 354.2 " 343.4 " 10.92 " 4.269" 29
30 0.928$ 0.054$ 0.232$ 32.83 " 193.5 " 572.3 " 856.0 # 328.2 " 299.5 " 25.21 " 3.685" 30
31 0.763$ 0.060$ 29.47 " 454.9 " 606.0 " 259.9 " 3.525" 31
Mean 4.749$ 0.663$ 0.838$ 0.192$ 9.132$ 41.36 " 318.5 # 423.9 # 343.4 " 438.9 # 97.46 " 8.785$
Median 3.555$ 0.235$ 0.150$ 0.133$ 0.771$ 30.01 " 225.6 # 354.9 # 329.2 " 351.1 # 103.4 " 6.236$
Maximum 16.75 $ 5.993$ 3.809$ 0.521$ 47.72 $ 193.5 " 951.2 # 975.5 # 640.3 "1022 # 231.4 " 24.00 $
Minimum 0.763$ 0.110$ 0.045$ 0.092$ 0.149$ 11.62 " 93.32 # 188.8 # 221.8 " 254.6 # 10.92 " 1.945$
Total 147.2 $ 18.58$ 25.97$ 5.76$ 283.1 $ 1241 " 9873 #13142 #10303 "13606 # 2924 " 272.3 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 142.0 $ " ... Relative Uncertainty +/-10%
Ann. Median 24.00 $ # ... Relative Uncertainty +/-15%
Annual Total 51842 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1022 $ 0.045$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1990
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.825" 0.075$ 0.015$ 0.101$ 34.43 " 66.60 " 78.97 " 530.2 " 421.8 " 378.1 " 343.7 " 20.03 " 1
2 2.805$ 0.065$ 0.012$ 0.204$ 40.57 " 59.19 " 70.20 "1305 # 398.3 " 343.6 " 460.8 " 54.02 " 2
3 2.246$ 0.059$ 0.014$ 0.184$ 31.99 " 50.91 " 65.37 "1432 # 369.5 " 323.6 " 372.3 " 50.54 " 3
4 1.495$ 0.058$ 0.022$ 0.144$ 29.04 " 43.58 " 65.53 "1528 # 345.4 " 304.6 " 318.8 " 52.51 " 4
5 1.190$ 0.050$ 0.037$ 0.119$ 27.76 " 41.46 " 67.75 "1360 # 325.8 " 289.1 " 292.2 " 52.39 " 5
6 0.833$ 0.038$ 0.067$ 0.105$ 23.83 " 85.74 " 64.38 "1050 # 309.6 " 271.9 " 259.9 " 51.51 " 6
7 0.548$ 0.033$ 0.074$ 0.099$ 20.65 " 108.0 " 60.95 " 907.3 # 297.6 " 254.4 " 227.4 " 50.85 " 7
8 0.413$ 0.032$ 0.056$ 0.089$ 29.03 " 152.0 " 108.6 " 786.8 # 288.3 " 244.1 " 202.5 " 48.44 " 8
9 0.441$ 0.027$ 0.044$ 0.086$ 28.41 " 182.2 " 184.4 " 678.2 " 295.9 " 296.0 " 182.8 " 44.87 " 9
10 0.456$ 0.045$ 0.030$ 0.187$ 27.61 " 202.6 " 407.0 " 736.9 " 325.7 " 491.0 " 167.6 " 40.29 " 10
11 0.375$ 0.042$ 0.020$ 0.879$ 22.91 " 323.0 " 600.3 " 801.9 # 311.9 " 393.7 " 154.4 " 35.79 " 11
12 0.328$ 0.042$ 0.018$ 0.634$ 21.35 " 218.8 " 814.9 # 761.2 " 290.1 " 344.7 " 143.2 " 31.46 " 12
13 0.268$ 0.044$ 0.013$ 0.473$ 22.89 " 214.1 "1067 # 781.4 " 272.6 " 387.3 " 135.1 " 27.74 " 13
14 0.199$ 0.131$ 0.008$ 0.624$ 32.46 " 225.6 " 812.1 # 751.9 " 251.3 " 399.2 " 128.1 " 25.04 " 14
15 0.168$ 0.500$ 0.006$ 0.607$ 44.46 " 213.2 " 773.8 " 670.7 " 256.0 " 333.8 " 123.3 " 22.98 " 15
16 0.144$ 0.350$ 0.004$ 0.353$ 52.87 " 183.5 " 792.4 " 595.5 " 473.2 " 327.4 " 123.9 " 20.09 " 16
17 0.133$ 0.244$ 0.003$ 0.260$ 46.68 " 145.2 " 898.3 # 549.9 " 491.9 " 356.4 " 147.7 " 18.48 " 17
18 0.123$ 0.181$ 0.003$ 0.193$ 38.16 " 124.9 " 811.9 # 591.2 " 566.7 " 315.8 " 150.8 " 16.52 " 18
19 0.113$ 0.147$ 0.004$ 3.819$ 32.05 " 117.2 " 622.5 " 761.4 # 583.0 " 281.8 " 145.2 " 15.12 " 19
20 0.115$ 0.129$ 0.004$ 9.803" 27.59 " 104.9 " 627.3 " 805.4 # 535.7 " 270.1 " 162.1 " 13.07 " 20
21 0.160$ 0.122$ 0.003$ 35.88 " 23.42 " 92.06 "2461 & 768.8 " 477.1 " 257.3 " 163.3 " 12.22 " 21
22 0.165$ 0.096$ 0.014$ 33.85 " 21.05 " 84.70 "2218 # 713.3 " 521.3 " 241.1 " 145.3 " 12.75 " 22
23 0.160$ 0.075$ 0.018$ 43.14 " 18.68 " 83.66 "1988 # 643.7 " 804.2 # 225.6 " 129.2 " 11.80 " 23
24 0.119$ 0.064$ 0.023$ 61.30 " 16.74 " 86.81 "2032 # 586.5 " 904.9 # 209.3 " 115.0 " 10.01 " 24
25 0.094$ 0.053$ 0.376$ 52.44 " 15.76 " 83.63 "1901 # 533.8 " 970.8 # 207.6 " 103.7 " 9.251" 25
26 0.088$ 0.038$ 0.662$ 39.68 " 30.51 " 80.32 "1387 # 487.1 " 703.0 " 248.9 " 91.97 " 9.217" 26
27 0.079$ 0.025$ 0.364$ 31.38 " 86.32 " 76.11 "1073 # 470.5 " 609.4 " 226.2 " 83.84 " 7.807" 27
28 0.082$ 0.020$ 0.233$ 27.80 " 131.1 " 72.25 " 877.5 # 519.3 " 547.5 " 202.5 " 75.92 " 6.403" 28
29 0.117$ 0.154$ 23.27 " 141.0 " 74.32 " 757.9 " 537.6 " 483.6 " 283.5 " 69.37 " 5.568" 29
30 0.107$ 0.122$ 24.37 " 110.3 " 83.78 " 676.1 " 504.9 " 426.7 " 336.8 " 55.11 " 5.492" 30
31 0.084$ 0.102$ 78.79 " 584.2 " 458.9 " 287.3 " 5.112" 31
Mean 0.531$ 0.100$ 0.082$ 13.07 $ 42.21 " 122.7 " 804.8 & 761.6 # 462.0 # 301.1 " 175.8 " 25.40 "
Median 0.165$ 0.058$ 0.020$ 0.615$ 29.04 " 89.43 " 757.9 & 713.3 # 424.2 # 289.1 " 146.5 " 20.03 "
Maximum 2.825$ 0.500$ 0.662$ 61.30 $ 141.0 " 323.0 "2461 &1528 # 970.8 # 491.0 " 460.8 " 54.02 "
Minimum 0.079$ 0.020$ 0.003$ 0.086$ 15.76 " 41.46 " 60.95 & 458.9 # 251.3 # 202.5 " 55.11 " 5.112"
Total 16.47$ 2.79$ 2.53$ 392.1 $ 1308 " 3680 "24950 &23609 #13859 # 9333 " 5274 " 787.4 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 228.0 & " ... Relative Uncertainty +/-10%
Ann. Median 61.30 & # ... Relative Uncertainty +/-15%
Annual Total 83215 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2461 & 0.003&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1991
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 4.757" 0.053$ 0.017$ 0.027$ 0.084$ 131.9 " 435.7 "2782 # 551.9 " 438.8 " 148.7 " 79.90 " 1
2 5.863" 0.048$ 0.012$ 0.023$ 0.084$ 110.7 " 497.7 "2735 # 526.2 " 395.2 " 150.4 " 46.66 " 2
3 4.902" 0.042$ 0.009$ 0.019$ 0.081$ 158.7 " 525.7 "2589 # 526.6 " 368.7 " 147.0 " 54.83 " 3
4 4.588" 0.036$ 0.005$ 0.015$ 0.157$ 504.3 " 596.1 "2740 # 555.9 " 349.4 " 183.9 " 67.28 " 4
5 4.234" 0.031$ 0.003$ 0.017$ 0.165$ 327.3 " 567.5 "2319 # 509.4 " 343.8 " 317.0 " 65.24 " 5
6 3.440" 0.028$ 0.002$ 0.016$ 0.123$ 200.0 " 605.2 "1693 # 476.0 " 335.5 " 289.5 " 61.49 " 6
7 2.667$ 0.028$ 0.004$ 0.017$ 0.094$ 161.2 " 561.2 "1372 # 491.4 " 320.2 " 255.2 " 57.56 " 7
8 1.831$ 0.024$ 0.005$ 0.018$ 0.094$ 132.5 " 472.5 "1157 # 646.2 # 307.7 " 240.1 " 53.52 " 8
9 1.357$ 0.023$ 0.004$ 0.210$ 0.100$ 110.4 " 450.0 " 995.2 # 956.1 # 290.2 " 209.2 " 49.17 " 9
10 1.403$ 0.020$ 0.002$ 0.685$ 0.094$ 646.3 # 471.5 " 875.5 # 753.8 # 274.6 " 181.9 " 44.72 " 10
11 1.086$ 0.019$ 0.002$ 0.583$ 0.090$ 759.7 # 413.0 " 784.0 " 667.2 " 264.5 " 162.7 " 41.67 " 11
12 0.770$ 0.021$ 0.002$ 0.325$ 0.083$ 610.6 " 396.9 " 710.1 " 679.9 " 253.5 " 149.6 " 39.08 " 12
13 0.482$ 0.021$ 0.001$ 0.199$ 0.071$ 805.1 # 492.9 " 652.4 " 793.0 # 238.0 " 202.5 " 34.81 " 13
14 0.316$ 0.016$ 0.001$ 0.147$ 0.896$ 749.1 # 531.4 " 598.8 "1158 # 222.2 " 277.4 " 31.67 " 14
15 0.231$ 0.010$ 0.001$ 0.119$ 1.481$ 838.9 #1279 # 561.3 "1149 # 212.3 " 248.2 " 29.68 " 15
16 0.211$ 0.009$ 0.002$ 0.099$ 0.683$ 825.0 #2001 # 524.9 "1153 # 202.9 " 217.9 " 26.54 " 16
17 0.185$ 0.010$ 0.006$ 0.086$ 0.452$1063 #1329 # 529.6 " 961.3 # 194.5 " 205.7 " 23.01 " 17
18 0.157$ 0.010$ 0.008$ 0.080$ 0.367$ 772.8 #1253 # 803.4 # 941.7 # 211.4 " 190.7 " 20.93 " 18
19 0.134$ 0.009$ 0.007$ 0.062$ 0.424$ 545.1 "1120 # 831.2 # 918.4 # 382.3 " 171.4 " 19.93 " 19
20 0.112$ 0.010$ 0.006$ 0.065$ 1.566$ 637.1 "1191 # 786.2 " 802.1 # 376.7 " 152.7 " 18.13 " 20
21 0.095$ 0.009$ 0.005$ 0.094$ 4.759$ 724.1 "1291 # 708.5 " 712.1 " 340.1 " 136.2 " 15.90 " 21
22 0.090$ 0.009$ 0.005$ 0.090$ 1.568$ 632.6 "1016 # 646.1 " 642.7 " 318.0 " 124.3 " 13.62 " 22
23 0.086$ 0.008$ 0.007$ 0.085$ 44.97 $ 904.3 #1467 # 600.8 " 584.0 " 283.0 " 113.9 " 12.25 " 23
24 0.085$ 0.005$ 0.020$ 0.084$ 45.24 " 718.6 #2693 # 543.4 " 538.3 " 249.4 " 107.9 " 11.87 " 24
25 0.078$ 0.003$ 0.019$ 0.080$ 45.51 " 591.7 "2182 # 504.5 " 504.7 " 227.5 " 111.3 " 15.76 " 25
26 0.068$ 0.006$ 0.015$ 0.076$ 34.58 " 562.3 "1435 # 654.3 " 471.0 " 206.9 " 109.6 " 30.16 " 26
27 0.069$ 0.018$ 0.014$ 0.072$ 43.26 " 583.1 "1337 # 847.1 # 442.5 " 190.3 " 101.6 " 34.17 " 27
28 0.064$ 0.023$ 0.025$ 0.072$ 74.53 " 650.5 "1067 # 716.1 " 410.6 " 182.7 " 93.64 " 27.09 " 28
29 0.060$ 0.032$ 0.079$ 123.7 " 559.4 "1126 # 688.4 " 383.9 " 174.8 " 87.85 " 26.20 " 29
30 0.062$ 0.035$ 0.084$ 112.2 " 476.0 "1824 # 632.5 " 399.9 " 164.8 " 83.62 " 24.11 " 30
31 0.057$ 0.034$ 127.3 " 1532 # 585.7 " 154.1 " 21.00 " 31
Mean 1.276$ 0.020$ 0.010$ 0.121$ 21.45 $ 549.7 #1037 #1070 # 676.9 # 273.3 " 172.4 " 35.42 "
Median 0.211$ 0.019$ 0.006$ 0.080$ 0.452$ 601.2 #1067 # 716.1 # 613.4 # 264.5 " 157.7 " 30.16 "
Maximum 5.863$ 0.053$ 0.035$ 0.685$ 127.3 $1063 #2693 #2782 #1158 # 438.8 " 317.0 " 79.90 "
Minimum 0.057$ 0.003$ 0.001$ 0.015$ 0.071$ 110.4 # 396.9 # 504.5 # 383.9 # 154.1 " 83.62 " 11.87 "
Total 39.54$ 0.55$ 0.31$ 3.63$ 664.9 $16492 #32162 #33167 #20307 # 8474 " 5171 " 1098 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 322.1 $ " ... Relative Uncertainty +/-10%
Ann. Median 101.6 $ # ... Relative Uncertainty +/-15%
Annual Total 117580 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 2782 $ 0.001$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1992
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 16.45 " 0.066$ 0.005$ 0.062$ 0.354$ 77.98 "1011 # 727.7 "1521 # 389.0 " 121.2 " 128.6 " 1
2 14.07 " 0.053$ 0.005$ 0.109$ 0.461$ 67.80 " 881.8 # 630.7 "1503 # 366.2 " 111.6 " 129.4 " 2
3 12.29 " 0.043$ 0.005$ 0.240$ 1.695$ 62.33 " 891.4 # 588.4 "1814 # 345.5 " 102.3 " 119.2 " 3
4 10.58 " 0.042$ 0.005$ 0.224$ 3.151$ 59.96 " 823.3 # 705.2 "1757 # 331.9 " 95.33 " 113.0 " 4
5 8.031" 0.043$ 0.005$ 0.158$ 3.064$ 57.81 " 739.9 " 843.1 #1358 # 359.6 " 90.54 " 98.82 " 5
6 6.856" 0.045$ 0.004$ 0.121$ 4.650" 54.94 " 671.8 " 825.4 #1170 # 415.2 " 87.37 " 84.44 " 6
7 6.071" 0.046$ 0.003$ 0.100$ 3.756$ 49.97 " 585.1 " 857.0 #1011 # 419.4 " 133.1 " 74.81 " 7
8 4.801" 0.046$ 0.003$ 0.091$ 1.741$ 45.15 " 568.4 " 795.8 # 976.1 # 367.4 " 204.1 " 67.61 " 8
9 3.458" 0.044$ 0.005$ 0.088$ 10.03 $ 42.57 " 597.9 "1160 #1402 # 331.1 " 156.3 " 64.45 " 9
10 2.917" 0.038$ 0.007$ 0.084$ 12.85 " 42.26 " 789.9 #1195 #1213 # 317.4 " 101.3 " 67.21 " 10
11 2.814" 0.036$ 0.005$ 0.085$ 10.41 " 185.7 " 813.0 #1028 # 964.5 # 298.5 " 131.7 " 67.61 " 11
12 2.516$ 0.041$ 0.005$ 0.069$ 8.806" 544.3 " 638.0 "1013 # 844.5 # 285.8 " 116.5 " 61.48 " 12
13 1.803$ 0.048$ 0.005$ 0.060$ 10.99 " 385.3 " 820.6 # 893.4 # 785.9 " 284.0 " 103.4 " 56.87 " 13
14 1.243$ 0.046$ 0.004$ 0.054$ 12.76 " 327.8 "1017 # 879.6 # 747.2 " 266.1 " 112.1 " 52.37 " 14
15 0.835$ 0.048$ 0.003$ 0.050$ 19.55 " 410.8 " 738.1 # 931.8 # 702.4 " 248.4 " 137.1 " 48.50 " 15
16 0.545$ 0.041$ 0.002$ 0.052$ 19.00 " 427.0 " 661.3 "1054 # 664.5 " 236.8 " 129.6 " 43.27 " 16
17 0.360$ 0.028$ 0.114$ 0.057$ 13.07 " 529.2 " 970.1 #1087 # 647.1 " 228.6 " 122.8 " 39.02 " 17
18 0.245$ 0.023$ 0.503$ 0.086$ 9.981" 627.0 " 807.1 #1011 # 603.4 " 220.1 " 136.8 " 35.17 " 18
19 0.195$ 0.022$ 0.453$ 0.144$ 8.365" 491.3 " 673.6 " 894.7 # 544.3 " 212.5 " 226.9 " 31.32 " 19
20 0.206$ 0.022$ 0.311$ 0.126$ 8.371" 899.9 # 671.5 " 852.8 # 505.8 " 198.8 " 359.4 " 27.91 " 20
21 0.198$ 0.020$ 0.245$ 0.105$ 111.6 "1178 # 629.3 " 810.1 # 495.6 " 185.8 " 294.2 " 26.27 " 21
22 0.177$ 0.018$ 0.168$ 0.094$ 111.5 " 848.7 # 580.8 " 720.9 " 629.5 " 175.7 " 255.9 " 24.37 " 22
23 0.160$ 0.012$ 0.120$ 0.081$ 134.7 " 548.9 " 517.5 " 652.8 " 666.9 " 167.9 " 219.6 " 21.82 " 23
24 0.142$ 0.012$ 0.103$ 0.073$ 242.5 " 592.4 " 472.9 " 624.9 " 583.9 " 160.4 " 188.3 " 20.36 " 24
25 0.126$ 0.013$ 0.118$ 0.061$ 204.4 " 630.2 " 705.6 # 710.2 " 542.0 " 156.5 " 166.4 " 18.72 " 25
26 0.107$ 0.012$ 0.108$ 0.068$ 120.0 " 906.5 #1140 # 860.8 # 541.0 " 157.6 " 147.8 " 17.66 " 26
27 0.087$ 0.010$ 0.085$ 0.895$ 93.61 " 974.2 #1073 #1127 # 558.2 " 157.3 " 130.9 " 17.06 " 27
28 0.076$ 0.010$ 0.070$ 3.342$ 85.22 "1781 #1104 #2596 # 511.0 " 153.9 " 116.9 " 15.80 " 28
29 0.069$ 0.009$ 0.059$ 0.805$ 115.1 "1401 #1041 #2140 # 457.0 " 146.2 " 109.4 " 16.18 " 29
30 0.069$ 0.057$ 0.433$ 135.1 "1025 # 911.1 #1515 # 418.2 " 137.3 " 111.7 " 18.85 " 30
31 0.069$ 0.060$ 97.73 " 825.0 #1526 # 129.7 " 20.95 " 31
Mean 3.148$ 0.032$ 0.085$ 0.267$ 52.08 $ 509.2 # 786.1 #1008 # 871.3 # 253.2 " 150.7 " 52.55 "
Median 0.545$ 0.038$ 0.007$ 0.089$ 12.76 $ 459.2 # 789.9 # 879.6 # 684.7 # 236.8 " 130.2 " 43.27 "
Maximum 16.45 $ 0.066$ 0.503$ 3.342$ 242.5 $1781 #1140 #2596 #1814 # 419.4 " 359.4 " 129.4 "
Minimum 0.069$ 0.009$ 0.002$ 0.050$ 0.354$ 42.26 # 472.9 # 588.4 # 418.2 # 129.7 " 87.37 " 15.80 "
Total 97.58$ 0.94$ 2.65$ 8.02$ 1615 $15276 #24370 #31258 #26139 # 7851 " 4521 " 1629 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 308.1 $ " ... Relative Uncertainty +/-10%
Ann. Median 98.27 $ # ... Relative Uncertainty +/-15%
Annual Total 112768 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 2596 $ 0.002$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1993
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 21.15 " 0.129$ 0.054$ 0.081$ 3.762" 31.50 " 135.9 " 593.4 " 431.1 " 600.7 " 156.9 " 32.41 " 1
2 22.14 " 0.129$ 0.054$ 0.164$ 3.675" 29.34 " 236.5 " 462.6 " 396.5 " 730.5 " 143.6 " 30.48 " 2
3 20.01 " 0.122$ 0.048$ 2.265$ 3.864" 27.03 " 180.3 " 394.4 " 369.9 " 624.8 " 132.8 " 28.16 " 3
4 17.24 " 0.114$ 0.042$ 0.824$ 3.956" 25.32 " 148.5 " 427.9 " 606.2 " 560.3 " 124.1 " 25.18 " 4
5 14.10 " 0.114$ 0.043$ 0.436$ 4.171" 24.85 " 133.3 " 440.4 " 617.3 " 503.1 " 116.0 " 24.46 " 5
6 13.85 " 0.103$ 0.048$ 0.344$ 4.193" 19.18 " 102.0 " 899.0 # 506.9 " 448.4 " 111.6 " 21.54 " 6
7 12.27 " 0.084$ 0.044$ 0.287$ 4.134" 14.95 " 89.13 "1060 # 700.1 # 423.0 " 100.1 " 24.67 " 7
8 9.999" 0.072$ 0.038$ 0.227$ 3.998" 13.64 " 80.96 " 891.1 # 937.7 # 409.7 " 94.24 " 18.44 " 8
9 8.212" 0.069$ 0.038$ 0.196$ 3.846" 12.94 " 108.9 " 930.3 # 763.4 # 383.1 " 91.09 " 19.24 " 9
10 8.054" 0.067$ 0.035$ 0.187$ 3.725" 12.10 " 320.7 " 815.9 # 686.0 " 344.8 " 96.23 " 18.23 " 10
11 6.967" 0.061$ 0.037$ 0.158$ 3.768" 12.55 " 696.5 # 708.3 " 602.1 " 313.0 " 99.30 " 15.00 " 11
12 4.588" 0.060$ 0.035$ 0.162$ 3.795" 13.16 " 708.1 " 834.8 # 651.3 # 286.1 " 96.82 " 12.48 " 12
13 3.767" 0.060$ 0.035$ 0.153$ 3.155" 12.68 " 457.1 " 755.5 # 836.7 # 263.0 " 97.58 " 12.56 " 13
14 3.577" 0.062$ 0.037$ 0.153$ 2.261$ 12.95 " 433.4 " 737.2 " 611.8 " 244.5 " 92.00 " 12.94 " 14
15 4.049" 0.062$ 0.039$ 0.151$ 0.635$ 18.26 " 406.7 " 722.7 " 607.0 " 230.5 " 86.03 " 10.66 " 15
16 3.857" 0.063$ 0.038$ 0.150$ 0.289$ 23.44 " 347.4 " 611.7 " 761.2 " 226.0 " 83.71 " 8.812" 16
17 2.689$ 0.060$ 0.040$ 0.157$ 0.252$ 32.02 " 289.6 " 513.3 " 756.3 " 226.1 " 76.71 " 7.894" 17
18 1.870$ 0.058$ 0.053$ 0.287$ 10.29 $ 37.68 " 234.7 " 452.1 " 841.6 # 212.7 " 71.23 " 6.897" 18
19 1.204$ 0.056$ 0.145$ 0.527$ 4.840" 44.72 " 204.0 " 415.0 " 811.9 # 202.4 " 65.72 " 6.197" 19
20 0.706$ 0.045$ 0.229$ 0.826$ 41.02 " 48.28 " 182.1 " 409.8 " 715.1 " 190.9 " 61.70 " 5.256" 20
21 0.440$ 0.044$ 0.197$ 1.116$ 44.51 " 47.88 " 184.7 " 369.7 " 630.3 " 182.2 " 58.21 " 5.116" 21
22 0.343$ 0.048$ 0.149$ 1.427$ 34.93 " 42.39 " 362.2 " 331.0 " 553.9 " 176.5 " 45.58 " 4.417" 22
23 0.295$ 0.050$ 0.128$ 1.645$ 27.86 " 34.95 " 331.9 " 302.9 " 593.3 " 170.1 " 16.65 " 3.446" 23
24 0.237$ 0.051$ 0.119$ 1.682$ 24.21 " 30.03 " 290.6 " 290.6 " 568.8 " 169.5 " 47.40 " 2.555$ 24
25 0.204$ 0.050$ 0.111$ 1.820$ 21.42 " 27.09 " 346.9 " 480.8 " 476.7 " 171.6 " 45.59 " 1.863$ 25
26 0.180$ 0.059$ 0.107$ 2.051$ 16.36 " 30.25 " 431.1 " 513.7 " 423.7 " 167.8 " 42.89 " 1.619$ 26
27 0.154$ 0.064$ 0.115$ 2.276$ 14.45 " 79.72 " 540.5 " 404.7 " 386.4 " 170.2 " 40.86 " 1.377$ 27
28 0.145$ 0.059$ 0.104$ 2.570$ 22.72 " 109.2 " 490.7 " 387.6 " 363.1 " 179.1 " 39.05 " 0.891$ 28
29 0.142$ 0.092$ 3.032" 23.55 " 102.6 " 515.0 " 584.9 " 396.8 " 169.6 " 37.08 " 0.541$ 29
30 0.132$ 0.095$ 3.889" 29.46 " 107.3 " 622.4 " 625.1 " 620.8 " 161.6 " 36.61 " 0.372$ 30
31 0.122$ 0.089$ 30.87 " 669.7 " 510.4 " 160.3 " 0.259$ 31
Mean 5.894$ 0.072$ 0.079$ 0.975$ 12.90 $ 35.93 " 331.7 # 576.7 # 607.5 # 300.1 " 80.25 " 11.74 $
Median 3.577$ 0.062$ 0.053$ 0.390$ 4.171$ 28.22 " 320.7 # 513.3 # 609.4 # 226.1 " 84.87 " 8.812$
Maximum 22.14 $ 0.129$ 0.229$ 3.889$ 44.51 $ 109.2 " 708.1 #1060 # 937.7 # 730.5 " 156.9 " 32.41 $
Minimum 0.122$ 0.044$ 0.035$ 0.081$ 0.252$ 12.10 " 80.96 # 290.6 # 363.1 # 160.3 " 16.65 " 0.259$
Total 182.7 $ 2.02$ 2.44$ 29.24$ 400.0 $ 1078 "10282 #17877 #18224 # 9302 " 2407 " 364.0 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 164.8 $ " ... Relative Uncertainty +/-10%
Ann. Median 24.46 $ # ... Relative Uncertainty +/-15%
Annual Total 60151 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1060 $ 0.035$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1994
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.197$ 0.036$ 0.007$ 0.002$ 0.043$ 126.2 "1660 # 331.1 " 324.0 " 204.4 " 71.41 " 3.872" 1
2 0.161$ 0.056$ 0.005$ 0.003$ 0.041$ 380.6 "1247 # 312.5 " 404.4 " 193.9 " 67.76 " 3.413" 2
3 0.145$ 0.071$ 0.004$ 0.003$ 0.040$ 422.2 " 977.7 # 317.6 " 434.6 " 228.8 " 64.12 " 2.945" 3
4 0.128$ 0.066$ 0.003$ 0.005$ 0.041$ 262.3 " 837.3 # 395.6 " 356.4 " 206.4 " 61.25 " 2.675" 4
5 0.131$ 0.059$ 0.002$ 0.007$ 0.041$ 209.5 " 744.5 # 442.4 " 330.5 " 197.3 " 55.10 " 2.536$ 5
6 0.148$ 0.050$ 0.001$ 0.005$ 0.045$ 156.4 " 878.4 # 402.7 " 321.9 " 186.9 " 32.82 " 2.177$ 6
7 0.153$ 0.055$ 0.001$ 0.004$ 0.045$ 155.1 " 684.8 " 389.6 " 333.5 " 166.9 " 19.16 " 1.984$ 7
8 0.137$ 0.054$ 0.000$ 0.005$ 0.049$ 224.8 " 991.5 # 362.4 " 287.7 " 152.9 " 17.73 " 1.914$ 8
9 0.132$ 0.052$ 0.000$ 0.007$ 0.050$ 330.5 "1115 # 332.9 " 260.0 " 139.8 " 24.20 " 1.708$ 9
10 0.121$ 0.047$ 0.000$ 0.009$ 0.051$ 209.4 "1069 # 349.5 " 268.6 " 129.0 " 53.31 " 1.568$ 10
11 0.118$ 0.042$ 0.000$ 0.008$ 0.052$ 202.3 " 929.2 # 636.5 " 383.6 " 120.4 " 54.01 " 1.319$ 11
12 0.113$ 0.040$ 0.000$ 0.006$ 0.099$ 184.1 " 794.5 # 716.2 " 329.4 " 113.3 " 49.10 " 1.155$ 12
13 0.106$ 0.033$ 0.000$ 0.006$ 0.126$ 150.6 " 799.7 # 610.4 " 319.9 " 128.3 " 42.68 " 0.978$ 13
14 0.100$ 0.028$ 0.000$ 0.011$ 0.111$ 125.3 " 984.1 # 608.0 " 322.5 " 261.7 " 32.15 " 0.911$ 14
15 0.085$ 0.024$ 0.000$ 0.019$ 0.092$ 109.0 "1027 # 542.5 " 290.9 " 235.0 " 38.51 " 0.863$ 15
16 0.077$ 0.023$ 0.000$ 0.070$ 0.080$ 98.42 " 985.1 # 474.4 " 268.2 " 202.4 " 38.86 " 0.748$ 16
17 0.075$ 0.021$ 0.000$ 0.062$ 0.070$ 85.76 " 883.6 # 420.8 " 243.9 " 189.1 " 34.52 " 0.568$ 17
18 0.074$ 0.022$ 0.000$ 0.063$ 0.064$ 81.11 " 733.2 " 380.5 " 222.8 " 163.1 " 29.93 " 0.378$ 18
19 0.067$ 0.020$ 0.000$ 0.058$ 0.059$ 122.5 " 665.3 " 343.9 " 202.9 " 137.3 " 28.08 " 0.287$ 19
20 0.059$ 0.018$ 0.000$ 0.061$ 0.161$ 442.4 " 592.6 " 317.0 " 189.2 " 126.2 " 24.76 " 0.245$ 20
21 0.058$ 0.018$ 0.000$ 0.058$ 0.214$ 844.9 # 556.5 " 378.3 " 177.9 " 112.5 " 18.61 " 0.209$ 21
22 0.057$ 0.017$ 0.000$ 0.055$ 0.741$ 599.8 " 897.7 # 635.8 " 168.2 " 103.9 " 13.76 " 0.176$ 22
23 0.061$ 0.018$ 0.000$ 0.070$ 1.024$ 490.7 " 820.3 # 468.4 " 163.0 " 105.6 " 10.78 " 0.154$ 23
24 0.068$ 0.017$ 0.000$ 0.078$ 3.605$ 413.4 " 716.8 " 430.3 " 156.6 " 102.8 " 9.371" 0.137$ 24
25 0.075$ 0.018$ 0.000$ 0.063$ 4.744$ 395.7 " 617.4 " 395.3 " 148.8 " 100.3 " 8.195" 0.128$ 25
26 0.072$ 0.015$ 0.000$ 0.061$ 1.691$ 287.4 " 536.3 " 353.4 " 147.8 " 98.78 " 7.351" 0.114$ 26
27 0.059$ 0.010$ 0.000$ 0.063$ 2.092$ 337.1 " 481.9 " 378.4 " 151.3 " 95.21 " 6.542" 0.109$ 27
28 0.056$ 0.008$ 0.000$ 0.055$ 5.729" 341.2 " 447.0 " 406.0 " 157.4 " 91.41 " 5.742" 0.097$ 28
29 0.047$ 0.000$ 0.047$ 18.67 " 514.2 " 409.1 " 336.8 " 161.9 " 86.09 " 5.121" 0.083$ 29
30 0.041$ 0.001$ 0.047$ 43.11 " 681.5 # 368.1 " 310.0 " 209.2 " 78.78 " 4.399" 0.071$ 30
31 0.035$ 0.002$ 129.9 " 347.6 " 301.4 " 74.51 " 0.066$ 31
Mean 0.095$ 0.033$ 0.001$ 0.034$ 6.866$ 299.5 # 800.0 # 422.0 " 257.9 " 146.2 " 30.98 " 1.083$
Median 0.077$ 0.026$ 0.000$ 0.033$ 0.092$ 243.5 # 799.7 # 389.6 " 264.1 " 129.0 " 29.01 " 0.748$
Maximum 0.197$ 0.071$ 0.007$ 0.078$ 129.9 $ 844.9 #1660 # 716.2 " 434.6 " 261.7 " 71.41 " 3.872$
Minimum 0.035$ 0.008$ 0.000$ 0.002$ 0.040$ 81.11 # 347.6 # 301.4 " 147.8 " 74.51 " 4.399" 0.066$
Total 2.96$ 0.94$ 0.03$ 1.01$ 212.9 $ 8984 #24799 #13080 " 7737 " 4533 " 929.3 " 33.59$
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 165.2 $ " ... Relative Uncertainty +/-10%
Ann. Median 6.542$ # ... Relative Uncertainty +/-15%
Annual Total 60315 $ $ ... Relative Uncertainty +/-20%
Maximum Minimum
Daily 1660 $ 0.000$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1995
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.060$ 0.000$ 0.000$ 0.000$ 0.000$ 29.96 " 128.7 "1271 # 498.6 " 216.9 " 186.0 " 45.08 " 1
2 0.041$ 0.000$ 0.000$ 0.000$ 0.000$ 29.96 " 123.8 "1056 # 519.3 " 205.8 " 186.8 " 43.69 " 2
3 0.031$ 0.000$ 0.000$ 0.000$ 0.000$ 30.28 " 114.9 " 879.0 # 765.0 # 200.9 " 161.5 " 41.06 " 3
4 0.027$ 0.000$ 0.000$ 0.000$ 0.000$ 29.86 " 102.8 " 739.1 "1060 # 193.6 " 144.3 " 38.27 " 4
5 0.026$ 0.000$ 0.000$ 0.000$ 0.000$ 39.56 " 104.5 " 632.9 " 837.9 # 188.7 " 127.7 " 34.77 " 5
6 0.022$ 0.000$ 0.000$ 0.000$ 0.000$ 106.5 " 204.6 " 557.7 " 889.1 # 188.5 " 116.3 " 32.73 " 6
7 0.019$ 0.000$ 0.000$ 0.000$ 0.000$ 273.9 " 191.9 " 504.2 "1055 # 186.9 " 109.3 " 30.38 " 7
8 0.016$ 0.000$ 0.000$ 0.000$ 0.000$ 363.9 " 243.0 " 504.3 " 855.7 # 178.2 " 112.3 " 27.80 " 8
9 0.015$ 0.000$ 0.000$ 0.000$ 0.000$ 416.4 " 575.2 "1480 # 796.7 " 174.6 " 124.5 " 25.39 " 9
10 0.017$ 0.000$ 0.000$ 0.000$ 0.000$ 300.4 " 591.6 "1290 # 740.1 " 178.5 " 117.5 " 23.13 " 10
11 0.021$ 0.000$ 0.000$ 0.000$ 0.000$ 174.3 " 446.1 " 993.2 # 642.6 " 196.2 " 104.7 " 20.71 " 11
12 0.024$ 0.000$ 0.000$ 0.000$ 0.000$ 131.5 " 778.1 #1092 # 591.6 " 219.3 " 95.72 " 18.10 " 12
13 0.023$ 0.000$ 0.000$ 0.000$ 0.000$ 126.5 " 863.4 #1665 # 547.9 " 191.5 " 87.59 " 14.52 " 13
14 0.021$ 0.000$ 0.000$ 0.000$ 0.000$ 137.3 " 595.6 "1314 # 506.9 " 177.9 " 80.86 " 14.86 " 14
15 0.022$ 0.000$ 0.000$ 0.000$ 0.000$ 113.9 " 467.5 "1042 # 505.7 " 166.0 " 76.34 " 15.80 " 15
16 0.019$ 0.000$ 0.000$ 0.000$ 0.000$ 92.35 " 469.5 " 964.3 # 458.1 " 152.2 " 71.48 " 15.14 " 16
17 0.021$ 0.000$ 0.000$ 0.000$ 0.282$ 80.16 " 391.0 "1053 # 418.4 " 184.4 " 67.14 " 13.83 " 17
18 0.018$ 0.000$ 0.000$ 0.000$ 0.423$ 74.03 " 328.5 "1016 # 398.0 " 453.8 " 63.46 " 12.54 " 18
19 0.014$ 0.000$ 0.000$ 0.000$ 0.208$ 67.65 " 544.3 # 881.2 # 394.9 " 436.2 " 60.36 " 11.58 " 19
20 0.011$ 0.000$ 0.000$ 0.000$ 0.165$ 115.6 "1662 #1054 # 403.7 " 348.3 " 56.52 " 11.75 " 20
21 0.006$ 0.000$ 0.000$ 0.000$ 0.231$ 321.1 "1759 # 913.7 # 384.4 " 302.8 " 53.15 " 14.76 " 21
22 0.002$ 0.000$ 0.000$ 0.000$ 0.707$ 208.4 "1236 # 883.5 # 357.0 " 247.0 " 50.29 " 15.03 " 22
23 0.000$ 0.000$ 0.000$ 0.000$ 3.283$ 228.4 "1029 # 863.7 # 333.0 " 210.3 " 47.32 " 12.29 " 23
24 0.000$ 0.000$ 0.000$ 0.000$ 5.315" 230.3 "1145 # 837.5 # 309.0 " 187.2 " 45.37 " 12.74 " 24
25 0.000$ 0.000$ 0.000$ 0.000$ 2.798$ 211.7 "2086 # 812.8 # 291.3 " 163.5 " 44.16 " 11.96 " 25
26 0.000$ 0.000$ 0.000$ 0.000$ 1.289$ 267.0 "1675 # 755.0 " 277.2 " 146.8 " 44.39 " 10.73 " 26
27 0.000$ 0.000$ 0.000$ 0.000$ 0.902$ 214.6 "1406 # 753.1 " 264.3 " 133.8 " 44.92 " 11.02 " 27
28 0.000$ 0.000$ 0.000$ 0.000$ 7.539$ 170.7 "1624 & 665.8 " 248.2 " 125.6 " 44.71 " 11.72 " 28
29 0.000$ 0.000$ 0.170$ 4.057" 143.5 "4134 & 601.6 " 233.2 " 116.1 " 45.22 " 10.44 " 29
30 0.000$ 0.000$ 0.003$ 25.05 " 135.9 "2249 # 560.8 " 224.5 " 121.2 " 44.53 " 8.404" 30
31 0.000$ 0.000$ 30.52 " 1518 # 528.7 " 155.3 " 9.980" 31
Mean 0.015$ 0.000$ 0.000$ 0.006$ 2.670$ 162.2 " 928.7 & 908.5 # 526.9 # 204.8 " 87.15 " 20.01 "
Median 0.017$ 0.000$ 0.000$ 0.000$ 0.000$ 136.6 " 591.6 & 881.2 # 478.4 # 187.2 " 73.91 " 14.86 "
Maximum 0.060$ 0.000$ 0.000$ 0.170$ 30.52 $ 416.4 "4134 &1665 #1060 # 453.8 " 186.8 " 45.08 "
Minimum 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 29.86 " 102.8 & 504.2 # 224.5 # 116.1 " 44.16 " 8.404"
Total 0.48$ 0.00$ 0.00$ 0.17$ 82.78$ 4865 "28788 &28164 #15807 # 6348 " 2614 " 620.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 239.2 & " ... Relative Uncertainty +/-10%
Ann. Median 38.27 & # ... Relative Uncertainty +/-15%
Annual Total 87291 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4134 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1996
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 10.44 " 0.011$ 0.000$ 0.000$ 0.000$ 0.014$ 294.2 "4261 & 697.8 " 832.1 # 378.1 " 133.9 " 1
2 8.028" 0.009$ 0.000$ 0.000$ 0.000$ 0.017$ 219.2 "2878 & 640.4 " 748.6 " 340.0 " 141.0 " 2
3 6.123" 0.008$ 0.000$ 0.000$ 0.000$ 0.024$ 451.3 "2466 # 609.6 " 667.7 " 309.3 " 140.2 " 3
4 5.049" 0.005$ 0.000$ 0.000$ 0.000$ 0.025$ 610.5 "3325 & 562.5 " 601.4 " 283.7 " 136.9 " 4
5 4.362" 0.003$ 0.000$ 0.000$ 0.000$ 0.029$ 427.9 "2543 # 523.2 " 544.6 " 260.8 " 129.1 " 5
6 3.505" 0.002$ 0.000$ 0.000$ 0.000$ 0.032$ 297.9 "2038 # 700.5 # 496.4 " 244.5 " 118.7 " 6
7 2.947" 0.001$ 0.000$ 0.000$ 0.000$ 0.035$ 621.6 #1680 # 769.1 # 458.6 " 239.4 " 107.7 " 7
8 2.582$ 0.000$ 0.000$ 0.000$ 0.000$ 0.041$ 979.0 #1410 # 714.5 " 425.5 " 230.7 " 98.89 " 8
9 1.804$ 0.000$ 0.000$ 0.000$ 0.000$ 0.059$ 679.9 #1258 # 753.5 " 409.5 " 213.4 " 91.42 " 9
10 0.885$ 0.000$ 0.000$ 0.000$ 0.000$ 0.093$ 486.8 "1400 #1499 # 441.7 " 198.5 " 84.76 " 10
11 0.435$ 0.000$ 0.000$ 0.000$ 0.000$ 0.133$ 398.2 "1841 #1894 # 529.7 " 184.2 " 95.05 " 11
12 0.219$ 0.000$ 0.000$ 0.000$ 0.000$ 0.186$ 349.4 "1322 #1365 # 466.9 " 171.3 " 336.9 " 12
13 0.154$ 0.000$ 0.000$ 0.000$ 0.000$ 0.123$ 341.5 "1442 #1206 # 432.9 " 161.4 " 439.6 " 13
14 0.100$ 0.000$ 0.000$ 0.000$ 0.000$ 0.094$ 290.5 "1445 #1279 # 397.3 " 155.3 " 389.4 " 14
15 0.064$ 0.000$ 0.000$ 0.000$ 0.000$ 0.367$ 272.9 "1399 #1662 # 371.7 " 246.6 " 388.4 " 15
16 0.047$ 0.000$ 0.000$ 0.000$ 0.000$ 0.546$ 604.1 "1190 #1603 # 346.3 " 323.4 " 340.0 " 16
17 0.038$ 0.000$ 0.000$ 0.000$ 0.000$ 10.67 $ 766.0 "1044 #1321 # 325.4 " 303.9 " 292.6 " 17
18 0.029$ 0.000$ 0.000$ 0.000$ 0.000$ 49.54 "1039 # 907.9 #1281 # 310.1 " 307.9 " 238.5 " 18
19 0.023$ 0.000$ 0.000$ 0.000$ 0.000$ 154.6 "1196 # 801.2 #1194 # 294.0 " 292.5 " 192.2 " 19
20 0.019$ 0.000$ 0.000$ 0.000$ 0.000$ 201.9 " 792.3 # 780.4 #1009 # 278.5 " 253.0 " 159.3 " 20
21 0.015$ 0.000$ 0.000$ 0.000$ 0.000$ 297.0 " 963.2 # 879.5 # 883.4 # 461.0 # 220.3 " 134.6 " 21
22 0.012$ 0.000$ 0.000$ 0.000$ 0.000$ 350.8 "1495 # 830.4 #1174 #1190 # 190.8 " 117.7 " 22
23 0.008$ 0.000$ 0.000$ 0.000$ 0.000$ 204.3 "1571 # 826.4 #1134 #1649 # 170.7 " 103.8 " 23
24 0.003$ 0.000$ 0.000$ 0.000$ 0.000$ 162.1 "2160 # 903.7 # 946.1 #1592 # 156.6 " 94.50 " 24
25 0.002$ 0.000$ 0.000$ 0.000$ 0.000$ 130.1 "1765 # 895.3 # 859.3 #1160 # 143.4 " 84.54 " 25
26 0.001$ 0.000$ 0.000$ 0.000$ 0.000$ 123.2 "1184 # 809.6 # 833.8 # 924.4 # 132.6 " 79.69 " 26
27 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 224.7 "1382 # 955.9 #1113 # 781.2 # 124.7 " 74.17 " 27
28 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 268.5 "1989 #1020 #1059 # 660.1 " 119.3 " 67.56 " 28
29 0.001$ 0.000$ 0.000$ 0.000$ 0.000$ 219.6 "1830 # 871.0 # 942.7 # 554.0 " 114.2 " 63.95 " 29
30 0.002$ 0.000$ 0.000$ 0.000$ 223.2 "2728 # 757.4 " 898.8 # 478.0 " 114.3 " 60.81 " 30
31 0.008$ 0.000$ 0.014$ 3530 & 732.0 " 421.2 " 57.05 " 31
Mean 1.513$ 0.001$ 0.000$ 0.000$ 0.000$ 87.40 $1023 &1449 &1038 # 621.0 # 219.5 " 161.1 "
Median 0.047$ 0.000$ 0.000$ 0.000$ 0.000$ 0.457$ 766.0 &1190 & 977.3 # 478.0 # 216.9 " 118.7 "
Maximum 10.44 $ 0.011$ 0.000$ 0.000$ 0.014$ 350.8 $3530 &4261 &1894 #1649 # 378.1 " 439.6 "
Minimum 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.014$ 219.2 & 732.0 & 523.2 # 278.5 # 114.2 " 57.05 "
Total 46.91$ 0.04$ 0.00$ 0.00$ 0.01$ 2622 $31716 &44912 &31127 #19250 # 6585 " 4993 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 385.9 & " ... Relative Uncertainty +/-10%
Ann. Median 105.8 & # ... Relative Uncertainty +/-15%
Annual Total 141252 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4261 & 0.000&
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1997
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 53.15 " 0.916" 0.346" 0.077" 0.197" 110.1 " 272.5 " 469.9 " 720.7 " 476.1 " 127.6 " 85.79 " 1
2 50.57 " 0.671" 0.245" 0.069" 0.186" 116.4 " 240.6 " 431.1 " 877.4 " 461.0 " 123.8 " 72.93 " 2
3 45.63 " 0.476" 0.160" 0.073" 0.190" 153.1 " 225.4 " 446.4 " 841.9 " 426.0 " 118.0 " 63.18 " 3
4 41.82 " 0.344" 0.130" 0.079" 0.136" 169.7 " 230.1 "2262 " 834.6 " 400.8 " 110.7 " 56.92 " 4
5 38.09 " 0.263" 0.132" 0.096" 0.121" 218.0 " 213.4 "2086 " 835.1 " 369.0 " 105.9 " 51.75 " 5
6 34.23 " 0.223" 0.128" 0.125" 0.109" 206.3 " 273.4 "1840 "1535 " 336.5 " 100.5 " 47.66 " 6
7 31.94 " 0.178" 0.115" 0.112" 0.108" 157.8 " 365.6 "1974 "1435 " 313.2 " 93.33 " 45.14 " 7
8 28.95 " 0.155" 0.118" 0.109" 0.129" 147.8 " 366.7 "1706 "1234 " 318.5 " 87.62 " 42.04 " 8
9 26.34 " 0.118" 0.125" 0.116" 0.152" 305.6 " 560.9 "1937 "1222 " 382.7 " 83.41 " 39.23 " 9
10 23.93 " 0.113" 0.133" 0.149" 0.189" 265.6 " 500.6 "1870 "1632 " 462.3 " 78.74 " 36.45 " 10
11 21.50 " 0.114" 0.140" 0.247" 0.238" 322.4 " 434.1 "1531 "1385 " 475.0 " 71.80 " 33.67 " 11
12 18.89 " 0.110" 0.141" 0.267" 0.220" 344.2 " 417.1 "1340 "1547 " 435.1 " 67.53 " 31.58 " 12
13 17.31 " 0.095" 0.143" 0.180" 0.191" 239.5 " 632.8 "1233 "1508 " 415.2 " 64.39 " 28.53 " 13
14 15.42 " 0.094" 0.149" 0.149" 0.202" 181.8 " 813.4 "1179 "1271 " 370.9 " 62.18 " 26.02 " 14
15 12.66 " 0.096" 0.180" 0.150" 0.237" 152.0 " 563.4 "1564 "1077 " 329.0 " 60.17 " 23.29 " 15
16 11.82 " 0.086" 0.411" 0.153" 0.305" 133.7 " 477.4 "1387 " 926.7 " 293.9 " 57.09 " 22.38 " 16
17 10.82 " 0.095" 0.465" 0.149" 1.010" 122.4 " 430.6 "1244 " 818.3 " 265.1 " 53.97 " 20.00 " 17
18 9.101" 0.094" 0.346" 0.124" 5.315" 128.8 " 386.4 "1195 " 735.5 " 241.3 " 50.96 " 18.87 " 18
19 7.658" 0.102" 0.241" 0.116" 2.479" 819.5 " 344.2 "1059 " 828.1 " 220.6 " 49.06 " 17.52 " 19
20 8.799" 0.171" 0.162" 0.160" 1.170"1642 " 304.9 " 914.4 " 899.2 " 202.6 " 65.95 " 15.19 " 20
21 7.809" 0.233" 0.134" 0.143" 0.818"1256 " 269.6 " 800.1 " 837.4 " 185.8 " 149.7 " 14.63 " 21
22 6.517" 0.227" 0.114" 0.113" 0.609" 840.3 " 244.7 " 708.1 " 750.2 " 172.5 " 217.9 " 13.68 " 22
23 5.725" 0.180" 0.100" 0.091" 3.128" 941.3 " 226.4 " 633.9 " 666.6 " 163.2 " 165.7 " 11.70 " 23
24 4.531" 0.615" 0.108" 0.083" 2.448" 815.6 " 524.6 " 575.7 " 634.2 " 158.0 " 182.4 " 10.16 " 24
25 4.623" 1.765" 0.128" 0.082" 4.561" 684.9 "1127 " 529.8 " 605.7 " 156.8 " 169.7 " 9.379" 25
26 4.170" 1.294" 0.168" 0.085" 5.221" 614.1 " 716.0 " 496.4 " 554.6 " 153.3 " 146.6 " 7.876" 26
27 2.893" 0.800" 0.180" 0.163" 29.96 " 475.7 " 743.5 " 547.4 " 531.5 " 151.9 " 131.3 " 6.647" 27
28 2.034" 0.503" 0.176" 0.131" 25.08 " 407.6 " 707.8 " 789.2 " 494.0 " 154.5 " 124.9 " 6.444" 28
29 1.824" 0.133" 0.126" 19.92 " 352.8 " 617.2 " 791.1 " 474.5 " 145.1 " 113.9 " 5.210" 29
30 1.663" 0.104" 0.183" 28.52 " 306.4 " 584.8 " 731.2 " 456.8 " 136.6 " 100.6 " 4.051" 30
31 1.349" 0.088" 73.51 " 508.0 " 695.8 " 131.8 " 3.457" 31
Mean 17.80 " 0.362" 0.176" 0.130" 6.666" 421.0 " 462.0 "1128 " 939.0 " 287.2 " 104.5 " 28.11 "
Median 11.82 " 0.179" 0.140" 0.125" 0.305" 285.6 " 430.6 "1059 " 836.3 " 293.9 " 100.6 " 22.38 "
Maximum 53.15 " 1.765" 0.465" 0.267" 73.51 "1642 "1127 "2262 "1632 " 476.1 " 217.9 " 85.79 "
Minimum 1.349" 0.086" 0.088" 0.069" 0.108" 110.1 " 213.4 " 431.1 " 456.8 " 131.8 " 49.06 " 3.457"
Total 551.8 " 10.13" 5.44" 3.90" 206.7 "12631 "14323 "34969 "28169 " 8904 " 3135 " 871.4 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 284.3 " " ... Relative Uncertainty +/-10%
Ann. Median 60.17 "
Annual Total 103781 "
Maximum Minimum
Daily 2262 " 0.069"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1998
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 3.187" 0.038" 0.004" 4.481" 3.094" 32.59 " 450.6 "2730 $2160 " 918.4 " 183.3 " 69.31 " 1
2 2.384" 0.038" 0.003" 3.668" 2.864" 36.93 " 395.4 "1514 "2278 " 882.0 " 177.9 " 70.96 " 2
3 1.583" 0.038" 0.003" 2.921" 2.577" 45.63 " 359.9 "1331 "2091 " 782.2 " 171.2 " 69.77 " 3
4 1.157" 0.038" 0.002" 2.489" 2.594" 59.50 " 493.2 "1090 "1864 " 682.0 " 165.0 " 62.66 " 4
5 0.921" 0.037" 0.001" 2.222" 2.776" 105.7 " 685.8 "1093 "1551 " 623.7 " 161.5 " 57.00 " 5
6 0.841" 0.036" 0.001" 1.893" 2.515" 116.2 " 669.8 "1244 "1298 " 575.0 " 162.1 " 53.11 " 6
7 0.513" 0.033" 0.001" 1.602" 2.541" 98.22 " 738.3 "1075 "1085 " 536.5 " 158.6 " 48.34 " 7
8 0.335" 0.030" 0.001" 1.773" 2.669" 729.8 " 599.0 " 996.6 " 926.6 " 494.1 " 151.6 " 43.69 " 8
9 0.211" 0.029" 0.004" 1.885" 19.22 "1043 " 517.2 " 810.6 " 812.5 " 453.2 " 145.4 " 40.90 " 9
10 0.158" 0.028" 0.019" 1.749" 23.91 " 932.8 " 452.0 " 883.3 " 753.7 " 418.6 " 138.2 " 37.85 " 10
11 0.135" 0.026" 0.036" 2.054" 34.81 " 987.6 " 404.3 "1329 " 714.3 " 398.1 " 131.6 " 35.69 " 11
12 0.125" 0.025" 0.039" 1.959" 24.00 " 671.3 " 365.7 "1059 " 686.4 " 387.0 " 126.2 " 32.38 " 12
13 0.128" 0.023" 0.040" 1.757" 18.16 " 486.3 " 321.6 " 910.8 " 735.1 " 408.4 " 124.8 " 30.62 " 13
14 0.141" 0.021" 0.041" 1.552" 14.04 " 392.9 " 288.9 " 773.7 " 661.8 " 451.5 " 124.5 " 29.88 " 14
15 0.144" 0.020" 0.044" 1.386" 11.74 " 276.4 " 261.4 " 674.9 " 606.1 " 402.4 " 123.7 " 30.38 " 15
16 0.256" 0.018" 0.048" 1.435" 10.98 " 245.9 " 245.1 " 711.2 " 576.3 " 442.7 " 115.2 " 27.49 " 16
17 0.229" 0.017" 0.053" 1.782" 10.44 " 768.2 " 250.3 " 711.5 " 620.2 " 604.0 " 109.1 " 25.33 " 17
18 0.155" 0.017" 0.050" 1.821" 15.14 " 849.3 " 341.2 " 710.9 " 643.5 " 627.1 " 108.1 " 22.97 " 18
19 0.107" 0.015" 0.080" 1.966" 11.70 " 635.7 " 473.3 " 851.5 " 569.2 " 534.3 " 106.5 " 21.13 " 19
20 0.091" 0.014" 2.211" 2.241" 13.12 " 523.5 " 411.9 " 756.0 " 532.2 " 483.7 " 102.2 " 19.58 " 20
21 0.074" 0.012" 5.283" 2.856" 18.73 " 435.8 " 438.9 " 657.5 " 630.2 " 431.9 " 97.38 " 18.00 " 21
22 0.065" 0.011" 1.837" 2.510" 32.62 " 369.6 " 719.4 " 593.0 " 915.3 " 387.2 " 93.36 " 16.33 " 22
23 0.077" 0.010" 7.784" 2.952" 42.61 " 400.3 " 509.9 " 544.5 " 866.7 " 346.3 " 89.38 " 16.67 " 23
24 0.079" 0.010" 27.77 " 3.228" 32.24 " 332.6 " 462.6 " 586.7 " 776.1 " 311.8 " 85.00 " 15.80 " 24
25 0.070" 0.009" 19.99 " 3.310" 24.96 " 979.4 " 488.1 " 552.5 " 761.0 " 290.8 " 79.55 " 15.51 " 25
26 0.060" 0.008" 13.88 " 3.343" 27.47 "1334 " 694.5 " 506.5 " 730.1 " 273.6 " 75.20 " 13.63 " 26
27 0.049" 0.006" 13.68 " 3.440" 30.42 "1040 " 626.5 "1020 " 781.1 " 254.0 " 70.99 " 13.60 " 27
28 0.042" 0.004" 9.809" 4.192" 46.09 "1011 " 494.4 "1244 " 747.7 " 236.1 " 66.55 " 12.69 " 28
29 0.041" 8.191" 4.048" 52.42 " 691.0 " 440.5 "1478 " 696.5 " 218.9 " 61.93 " 10.53 " 29
30 0.040" 7.007" 3.467" 48.60 " 523.7 " 391.6 "2970 " 788.5 " 205.8 " 59.62 " 9.840" 30
31 0.039" 5.477" 38.09 " 1390 "2295 " 193.4 " 9.977" 31
Mean 0.433" 0.022" 3.980" 2.533" 20.10 " 538.5 " 496.2 "1087 $ 962.0 " 459.8 " 118.9 " 31.67 "
Median 0.135" 0.021" 0.048" 2.231" 18.16 " 504.9 " 452.0 " 910.8 $ 757.3 " 431.9 " 119.4 " 27.49 "
Maximum 3.187" 0.038" 27.77 " 4.481" 52.42 "1334 "1390 "2970 $2278 " 918.4 " 183.3 " 70.96 "
Minimum 0.039" 0.004" 0.001" 1.386" 2.515" 32.59 " 245.1 " 506.5 $ 532.2 " 193.4 " 59.62 " 9.840"
Total 13.44" 0.61" 123.4 " 75.98" 623.2 "16155 "15381 "33702 $28859 "14254 " 3566 " 981.6 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 311.6 $ " ... Relative Uncertainty +/-10%
Ann. Median 59.62 $ $ ... Relative Uncertainty +/-20%
Annual Total 113735 $
Maximum Minimum
Daily 2970 $ 0.001$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 1999
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 8.849" 0.035" 0.003" 0.000" 0.000" 203.9 " 862.7 " 775.9 " 970.4 " 696.1 " 300.3 " 73.81 " 1
2 7.816" 0.033" 0.002" 0.000" 0.000" 346.8 " 727.1 " 698.4 " 917.3 " 598.1 " 277.9 " 74.06 " 2
3 7.747" 0.034" 0.002" 0.000" 0.000" 767.8 "1218 " 625.5 "1178 " 559.0 " 259.2 " 70.61 " 3
4 6.795" 0.032" 0.002" 0.000" 0.000" 469.0 "2568 " 565.1 "1446 " 521.5 " 244.2 " 65.45 " 4
5 6.398" 0.031" 0.001" 0.000" 0.500" 321.5 "2433 " 527.1 "1317 " 490.1 " 232.1 " 62.21 " 5
6 6.077" 0.032" 0.001" 0.000" 6.202" 260.7 "2109 " 930.2 "1174 " 483.4 " 214.2 " 59.51 " 6
7 5.536" 0.030" 0.001" 0.000" 1.323" 216.8 "1960 "1054 "1029 " 528.5 " 210.3 " 55.63 " 7
8 4.997" 0.029" 0.003" 0.000" 0.570" 208.7 "1562 " 823.0 " 900.4 "1382 " 204.5 " 52.81 " 8
9 3.952" 0.027" 0.003" 0.000" 0.686" 231.9 "1309 " 798.0 " 790.0 "1626 " 198.3 " 49.96 " 9
10 3.315" 0.026" 0.003" 0.000" 25.05 " 420.4 "1231 "1137 " 737.4 "1443 " 189.7 " 45.59 " 10
11 3.164" 0.024" 0.002" 0.000" 44.77 " 677.9 "1076 "1762 " 980.2 "1552 " 177.7 " 43.08 " 11
12 2.632" 0.024" 0.002" 0.000" 44.00 " 893.6 " 912.8 "1587 "1006 "1338 " 165.9 " 42.30 " 12
13 2.067" 0.023" 0.001" 0.000" 28.91 " 723.6 " 925.7 "1304 "1048 "1117 " 157.7 " 43.32 " 13
14 1.841" 0.021" 0.001" 0.000" 41.79 "1328 "1031 "1105 "1568 "1478 " 150.5 " 43.56 " 14
15 1.640" 0.017" 0.001" 0.000" 45.43 "1181 "1002 " 958.4 "1774 "1455 " 144.9 " 44.27 " 15
16 1.240" 0.015" 0.001" 0.000" 42.91 "1154 "1194 " 850.5 "1530 "1543 " 140.6 " 42.16 " 16
17 0.786" 0.014" 0.001" 0.000" 36.76 " 953.2 "1289 " 791.9 "1416 "1528 " 137.6 " 40.33 " 17
18 0.479" 0.013" 0.001" 0.000" 32.13 "1361 "1217 " 885.8 "1239 "1243 " 134.1 " 38.05 " 18
19 0.340" 0.013" 0.001" 0.000" 55.27 "1395 "1222 " 933.7 "1025 " 994.7 " 131.2 " 37.35 " 19
20 0.268" 0.012" 0.003" 0.000" 112.5 "1158 "1265 " 904.8 " 882.4 " 830.3 " 127.6 " 36.23 " 20
21 0.197" 0.011" 0.003" 0.000" 105.7 " 849.3 "1089 " 834.2 " 832.4 " 715.8 " 123.3 " 32.65 " 21
22 0.175" 0.010" 0.003" 0.000" 72.56 "1144 " 914.3 " 755.5 " 746.0 " 622.2 " 117.5 " 29.75 " 22
23 0.206" 0.009" 0.003" 0.000" 53.77 "1803 " 803.8 " 688.8 " 671.2 " 554.3 " 111.2 " 26.45 " 23
24 0.173" 0.008" 0.002" 0.000" 43.96 "1234 " 723.4 " 843.0 " 610.3 " 512.4 " 103.8 " 22.43 " 24
25 0.102" 0.007" 0.002" 0.000" 40.50 "1509 " 720.2 "1089 " 559.8 " 476.2 " 96.04 " 20.36 " 25
26 0.069" 0.006" 0.002" 0.000" 56.30 "2248 "1023 "1105 " 534.2 " 446.3 " 90.12 " 18.19 " 26
27 0.059" 0.005" 0.002" 0.000" 315.1 "1435 " 981.7 " 939.7 " 542.3 " 419.0 " 85.06 " 15.96 " 27
28 0.051" 0.003" 0.001" 0.000" 813.0 "1316 "1014 "1142 " 573.9 " 394.5 " 79.61 " 13.90 " 28
29 0.046" 0.001" 0.000" 617.5 "1316 "1124 "1426 " 573.3 " 368.9 " 74.00 " 10.93 " 29
30 0.043" 0.001" 0.000" 338.3 "1060 "1028 "1275 " 607.1 " 346.1 " 71.03 " 9.664" 30
31 0.040" 0.000" 225.5 " 883.9 "1123 " 325.4 " 8.958" 31
Mean 2.487" 0.019" 0.002" 0.000" 103.3 " 939.5 "1207 " 975.4 " 972.7 " 857.7 " 158.3 " 39.66 "
Median 1.240" 0.019" 0.002" 0.000" 42.91 "1006 "1076 " 930.2 " 943.9 " 622.2 " 142.7 " 42.16 "
Maximum 8.849" 0.035" 0.003" 0.000" 813.0 "2248 "2568 "1762 "1774 "1626 " 300.3 " 74.06 "
Minimum 0.040" 0.003" 0.000" 0.000" 0.000" 203.9 " 720.2 " 527.1 " 534.2 " 325.4 " 71.03 " 8.958"
Total 77.10" 0.54" 0.05" 0.00" 3201 "28185 "37422 "30237 "29180 "26589 " 4750 " 1230 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 440.7 " " ... Relative Uncertainty +/-10%
Ann. Median 105.7 "
Annual Total 160871 "
Maximum Minimum
Daily 2568 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2000
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 7.606" 1.389# 0.053" 0.385" 0.871" 45.18 " 986.2 " 795.6 "1429 " 352.0 " 116.7 " 36.62 " 1
2 5.789" 1.147# 0.046" 0.416" 0.717" 59.60 "1460 " 899.0 "1186 " 319.4 " 112.4 " 33.64 " 2
3 4.324" 0.903# 0.042" 0.424" 0.538" 40.79 "1135 "1052 "1091 " 293.7 " 108.0 " 32.12 " 3
4 3.729" 0.786# 0.041" 0.403" 0.421" 31.20 "1348 " 827.8 " 957.8 " 271.5 " 102.9 " 29.88 " 4
5 3.269" 0.720# 0.042" 0.407" 0.354" 25.62 "1370 " 782.9 " 895.0 " 344.5 " 97.74 " 21.80 " 5
6 2.270" 0.657# 0.042" 0.399" 0.323" 22.16 "1211 " 893.2 "1716 " 328.4 " 93.42 " 23.77 " 6
7 1.522" 0.598# 0.044" 0.401" 0.312" 19.77 "1176 "1031 "1651 " 296.3 " 91.73 " 17.41 " 7
8 1.086" 0.544# 0.042" 0.411" 3.062" 18.24 " 993.1 "1064 "1418 " 334.2 " 106.6 " 12.73 " 8
9 0.717" 0.578# 0.043" 0.423" 2.805" 16.98 " 786.5 " 939.5 "1319 " 326.5 " 118.7 " 10.23 " 9
10 0.519" 0.449# 0.287" 0.440" 4.591" 24.17 " 733.1 " 853.5 "1130 " 283.9 " 121.0 " 9.105" 10
11 0.421" 0.372# 0.240" 0.551" 16.23 " 22.69 " 955.2 " 756.2 " 917.8 " 261.3 " 118.3 " 7.616" 11
12 0.367" 0.318# 0.200" 0.628" 18.18 " 25.57 " 978.4 " 676.7 " 818.0 " 250.5 " 108.8 " 5.535" 12
13 0.276" 0.270# 0.151" 0.548" 21.41 " 131.2 "1351 " 657.3 " 854.3 " 235.8 " 94.52 " 4.253" 13
14 0.620" 0.229# 0.128" 0.522" 22.24 " 268.6 "1428 " 611.6 " 819.9 " 220.7 " 82.04 " 5.823" 14
15 2.888" 0.200# 0.134" 0.510" 17.14 " 198.5 "1288 " 598.7 " 749.8 " 207.1 " 73.54 " 9.137" 15
16 17.94 " 0.174# 0.149" 0.414" 14.48 " 166.2 "1303 "1036 " 728.1 " 195.0 " 67.29 " 8.628" 16
17 38.38 " 0.150# 0.163" 0.393" 12.86 " 147.6 "1287 "1104 " 651.2 " 183.3 " 63.44 " 8.203" 17
18 61.24 # 0.128# 0.133" 0.366" 11.40 " 129.2 "1400 " 879.6 " 595.8 " 171.4 " 60.98 " 6.860" 18
19 27.76 # 0.110# 0.121" 0.317" 10.32 " 149.0 "1398 " 969.1 " 555.2 " 162.1 " 56.17 " 6.342" 19
20 14.14 # 0.098# 0.129" 0.325" 9.379" 265.2 "1382 "1027 " 521.4 " 155.7 " 53.36 " 5.781" 20
21 8.662# 0.087# 0.261" 0.351" 8.607" 333.8 "1345 " 871.1 " 491.6 " 157.1 " 50.51 " 5.216" 21
22 5.914# 0.074# 0.251" 0.331" 8.097" 269.2 "1397 " 736.4 " 462.8 " 156.7 " 46.34 " 4.469" 22
23 5.059# 0.063# 0.204" 0.221" 8.793" 276.6 "1190 " 654.6 " 433.8 " 153.0 " 43.06 " 4.418" 23
24 3.570# 0.060" 0.205" 0.182" 10.81 " 337.7 " 995.8 " 733.3 " 407.0 " 145.9 " 41.65 " 4.194" 24
25 2.865# 0.056" 0.185" 0.676" 9.129" 375.2 " 851.9 " 733.7 " 383.3 " 138.9 " 39.23 " 3.721" 25
26 2.262# 0.047" 0.214" 1.279" 8.344" 451.6 " 739.9 " 988.8 " 363.1 " 133.2 " 37.84 " 3.317" 26
27 1.855# 0.042" 0.242" 1.486" 8.053" 383.7 " 654.9 " 969.2 " 385.9 " 129.2 " 40.41 " 2.718" 27
28 1.630# 0.043" 0.262" 1.548" 7.281" 325.1 " 950.2 " 866.4 " 395.7 " 125.4 " 40.53 " 2.244" 28
29 1.481# 0.056" 0.296" 1.572" 7.561" 245.7 "1246 "1127 " 371.0 " 121.6 " 41.77 " 2.149" 29
30 1.345# 0.320" 1.223" 7.025" 260.5 " 856.8 "1151 " 364.7 " 120.0 " 38.87 " 1.971" 30
31 1.339# 0.352" 31.86 " 785.2 "1515 " 119.2 " 1.638" 31
Mean 7.447# 0.357# 0.162" 0.585" 9.135" 168.9 "1128 " 896.8 " 802.0 " 215.9 " 75.59 " 10.70 "
Median 2.865# 0.200# 0.151" 0.415" 8.344" 148.3 "1190 " 879.6 " 738.9 " 195.0 " 70.42 " 6.342"
Maximum 61.24 # 1.389# 0.352" 1.572" 31.86 " 451.6 "1460 "1515 "1716 " 352.0 " 121.0 " 36.62 "
Minimum 0.276# 0.042# 0.041" 0.182" 0.312" 16.98 " 654.9 " 598.7 " 363.1 " 119.2 " 37.84 " 1.638"
Total 230.8 # 10.35# 5.02" 17.55" 283.2 " 5067 "34983 "27802 "24061 " 6694 " 2268 " 331.5 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 278.0 # " ... Relative Uncertainty +/-10%
Ann. Median 26.69 # # ... Relative Uncertainty +/-15%
Annual Total 101752 #
Maximum Minimum
Daily 1716 # 0.041#
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2001
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 1.274" 0.086" 0.027" 0.014" 0.018" 52.95 " 102.3 " 72.84 " 189.5 " 441.2 " 51.64 " 15.52 " 1
2 0.946" 0.074" 0.027" 0.014" 0.018" 45.60 " 100.1 " 67.91 " 200.0 " 375.8 " 47.75 " 13.44 " 2
3 0.791" 0.063" 0.027" 0.014" 0.022" 42.08 " 107.6 " 110.4 " 200.5 " 308.4 " 54.32 " 9.808" 3
4 0.690" 0.056" 0.026" 0.013" 0.031" 44.14 " 115.5 " 128.2 " 166.8 " 252.3 " 57.12 " 20.20 " 4
5 0.551" 0.057" 0.025" 0.013" 0.034" 40.91 " 100.2 " 117.1 " 162.0 " 208.3 " 55.06 " 42.40 " 5
6 0.417" 0.063" 0.023" 0.013" 0.582" 36.95 " 83.30 " 158.7 " 202.1 " 175.8 " 49.75 " 53.36 " 6
7 0.317" 0.057" 0.022" 0.013" 0.443" 33.40 " 77.02 " 204.0 " 240.7 " 155.0 " 44.98 " 47.13 " 7
8 0.234" 0.048" 0.022" 0.012" 0.286" 35.46 " 100.8 " 196.0 " 183.6 " 143.1 " 41.68 " 41.37 " 8
9 0.179" 0.042" 0.022" 0.012" 0.210" 41.71 " 139.6 " 548.4 " 226.1 " 136.2 " 38.87 " 41.82 " 9
10 0.124" 0.039" 0.021" 0.011" 0.334" 67.98 " 122.2 " 467.8 " 306.1 " 131.3 " 35.46 " 39.42 " 10
11 0.100" 0.039" 0.019" 0.012" 0.601" 110.9 " 99.29 " 364.2 " 228.3 " 127.7 " 32.05 " 34.37 " 11
12 0.093" 0.036" 0.018" 0.011" 4.747" 103.8 " 148.7 " 313.1 " 201.0 " 130.3 " 29.41 " 30.28 " 12
13 0.086" 0.034" 0.015" 0.011" 8.165" 73.32 " 148.5 " 349.4 " 199.0 " 129.6 " 25.95 " 25.93 " 13
14 0.073" 0.032" 0.014" 0.012" 1.984" 57.48 " 127.5 " 340.0 " 163.7 " 125.3 " 23.55 " 21.67 " 14
15 0.058" 0.031" 0.017" 0.013" 0.954" 51.13 " 120.9 " 260.3 " 151.4 " 120.7 " 21.82 " 18.70 " 15
16 0.050" 0.031" 0.019" 0.014" 0.636" 52.39 " 106.3 " 222.9 " 145.4 " 110.8 " 22.86 " 15.62 " 16
17 0.054" 0.032" 0.021" 0.014" 0.476" 60.80 " 93.35 " 197.7 " 136.2 " 102.4 " 26.28 " 12.28 " 17
18 0.074" 0.033" 0.021" 0.014" 0.378" 60.14 " 83.77 " 178.6 " 132.0 " 88.47 " 24.14 " 10.26 " 18
19 0.104" 0.032" 0.020" 0.014" 0.302" 52.48 " 69.12 " 167.8 " 130.0 " 82.75 " 23.40 " 13.90 " 19
20 0.084" 0.033" 0.017" 0.013" 4.198" 47.04 " 69.85 " 155.4 " 124.5 " 80.06 " 21.55 " 9.567" 20
21 0.074" 0.032" 0.016" 0.012" 3.904" 43.56 " 76.15 " 141.9 " 112.7 " 90.61 " 19.31 " 7.535" 21
22 0.069" 0.031" 0.016" 0.012" 1.823" 40.57 " 77.04 " 130.6 " 211.0 " 112.7 " 16.71 " 6.603" 22
23 0.057" 0.031" 0.016" 0.012" 0.947" 99.11 " 66.78 " 134.7 " 269.0 " 108.4 " 15.41 " 5.640" 23
24 0.058" 0.032" 0.016" 0.013" 1.478" 150.6 " 59.07 " 180.5 " 213.9 " 95.69 " 15.85 " 4.500" 24
25 0.060" 0.032" 0.017" 0.015" 3.042" 115.3 " 54.58 " 156.7 " 180.4 " 93.50 " 16.28 " 3.726" 25
26 0.051" 0.030" 0.017" 0.016" 3.157" 86.78 " 51.88 " 134.3 " 161.7 " 86.67 " 23.17 " 3.498" 26
27 0.051" 0.028" 0.016" 0.017" 14.27 " 78.38 " 60.49 " 127.5 " 144.8 " 79.68 " 20.34 " 3.003" 27
28 0.049" 0.027" 0.016" 0.016" 16.27 " 73.11 " 77.34 " 123.8 " 194.5 " 73.31 " 16.47 " 2.502" 28
29 0.043" 0.015" 0.016" 38.38 " 80.93 " 86.61 " 220.6 " 477.1 " 67.71 " 14.55 " 2.334" 29
30 0.041" 0.015" 0.017" 72.15 " 108.0 " 80.76 " 316.8 " 591.6 " 62.34 " 15.97 " 2.330" 30
31 0.051" 0.014" 71.44 " 79.42 " 211.4 " 56.69 " 1.860" 31
Mean 0.223" 0.041" 0.019" 0.014" 8.106" 66.23 " 93.10 " 209.7 " 208.2 " 140.4 " 30.06 " 18.08 "
Median 0.074" 0.033" 0.018" 0.013" 0.947" 55.22 " 86.61 " 178.6 " 192.0 " 112.7 " 23.85 " 13.44 "
Maximum 1.274" 0.086" 0.027" 0.017" 72.15 " 150.6 " 148.7 " 548.4 " 591.6 " 441.2 " 57.12 " 53.36 "
Minimum 0.041" 0.027" 0.014" 0.011" 0.018" 33.40 " 51.88 " 67.91 " 112.7 " 56.69 " 14.55 " 1.860"
Total 6.901" 1.162" 0.595" 0.405" 251.3 "1987 "2886 "6500 "6246 "4353 " 901.7 " 560.6 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 64.91 " " ... Relative Uncertainty +/-10%
Ann. Median 23.17 "
Annual Total 23694 "
Maximum Minimum
Daily 591.6 " 0.011"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2002
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 1.164" 0.020" 0.000" 0.000" 0.197" 11.04 " 101.8 " 239.4 " 588.7 " 190.3 " 251.1 " 29.13 " 1
2 0.793" 0.017" 0.000" 0.000" 0.281" 25.71 " 133.1 " 249.2 " 818.4 " 176.6 " 309.0 " 27.10 " 2
3 0.698" 0.014" 0.000" 0.000" 2.987" 26.94 " 111.3 " 225.2 " 823.6 " 166.2 " 230.7 " 25.39 " 3
4 0.617" 0.013" 0.000" 0.000" 1.340" 35.80 " 96.81 " 314.1 " 684.1 " 158.5 " 212.3 " 22.86 " 4
5 0.504" 0.012" 0.000" 0.000" 0.586" 34.57 " 108.7 " 538.4 " 561.6 " 161.2 " 184.5 " 18.47 " 5
6 0.409" 0.010" 0.000" 0.000" 4.392" 39.13 " 115.3 " 441.4 " 494.7 " 265.8 " 157.9 " 13.15 " 6
7 0.308" 0.008" 0.000" 0.000" 2.458" 41.62 " 234.5 " 375.2 " 440.9 " 285.3 " 137.5 " 16.67 " 7
8 0.223" 0.006" 0.000" 0.000" 2.981" 35.99 " 229.0 " 325.1 " 390.5 " 233.2 " 131.1 " 17.47 " 8
9 0.141" 0.004" 0.000" 0.000" 1.525" 30.77 " 167.2 " 496.8 " 350.9 " 205.9 " 123.0 " 15.29 " 9
10 0.089" 0.003" 0.000" 0.000" 1.845" 27.31 " 157.1 " 759.3 " 317.2 " 187.5 " 113.1 " 13.15 " 10
11 0.055" 0.002" 0.000" 0.000" 7.850" 27.89 " 258.5 " 627.1 " 279.5 " 171.7 " 105.8 " 11.61 " 11
12 0.045" 0.001" 0.000" 0.000" 6.155" 27.41 " 299.2 " 498.0 " 257.2 " 160.2 " 96.45 " 10.33 " 12
13 0.045" 0.001" 0.000" 0.000" 6.651" 112.1 " 313.2 " 420.2 " 237.8 " 151.0 " 81.83 " 9.473" 13
14 0.040" 0.000" 0.000" 0.000" 27.75 " 166.3 " 284.1 " 392.5 " 285.6 " 144.7 " 74.45 " 8.559" 14
15 0.037" 0.000" 0.000" 0.000" 26.24 " 127.0 " 299.6 " 937.0 " 588.8 " 138.9 " 69.97 " 7.613" 15
16 0.059" 0.000" 0.000" 0.000" 32.98 " 92.00 " 227.6 " 908.5 " 517.5 " 135.0 " 70.44 " 6.809" 16
17 1.046" 0.000" 0.000" 0.000" 28.84 " 68.45 " 189.9 " 590.9 " 421.9 " 175.4 " 65.25 " 5.807" 17
18 0.773" 0.000" 0.000" 0.000" 22.46 " 81.14 " 370.4 " 512.8 " 412.9 " 341.5 " 60.71 " 5.087" 18
19 0.353" 0.000" 0.000" 0.000" 18.58 " 119.2 " 549.9 " 450.7 " 381.0 " 283.2 " 56.07 " 4.289" 19
20 0.173" 0.000" 0.000" 0.000" 17.02 " 95.14 " 341.1 " 396.9 " 369.4 " 248.1 " 52.09 " 3.512" 20
21 0.102" 0.000" 0.000" 0.000" 17.12 " 69.15 " 439.6 " 346.5 " 341.0 " 233.0 " 43.55 " 2.797" 21
22 0.069" 0.000" 0.000" 0.521" 16.22 " 58.75 " 586.3 " 308.1 " 311.4 " 204.6 " 40.92 " 2.268" 22
23 0.050" 0.000" 0.000" 2.001" 15.33 " 53.13 " 418.1 " 269.1 " 313.0 " 183.0 " 38.98 " 1.686" 23
24 0.041" 0.000" 0.000" 1.046" 17.78 " 49.78 " 378.4 " 249.5 " 311.8 " 166.4 " 37.73 " 1.133" 24
25 0.038" 0.000" 0.000" 1.593" 15.37 " 50.47 " 381.9 " 281.7 " 298.6 " 154.9 " 36.10 " 0.823" 25
26 0.033" 0.000" 0.000" 2.307" 13.91 " 49.89 " 334.8 " 380.6 " 310.4 " 143.7 " 39.17 " 0.647" 26
27 0.030" 0.000" 0.000" 0.794" 12.77 " 45.45 " 306.5 " 577.2 " 302.3 " 142.5 " 37.28 " 0.417" 27
28 0.028" 0.000" 0.000" 0.417" 11.77 " 43.69 " 268.4 " 466.7 " 256.7 " 188.7 " 34.95 " 0.280" 28
29 0.026" 0.000" 0.266" 10.91 " 78.92 " 229.8 " 394.7 " 229.0 " 185.9 " 27.20 " 0.222" 29
30 0.024" 0.000" 0.199" 10.32 " 99.42 " 288.9 " 413.2 " 207.5 " 166.6 " 28.04 " 0.134" 30
31 0.023" 0.000" 9.879" 285.3 " 459.2 " 163.0 " 0.081" 31
Mean 0.259" 0.004" 0.000" 0.305" 11.76 " 60.80 " 274.4 " 446.6 " 403.5 " 190.7 " 98.24 " 9.105"
Median 0.069" 0.000" 0.000" 0.000" 10.91 " 49.83 " 284.1 " 413.2 " 346.0 " 175.4 " 70.21 " 6.809"
Maximum 1.164" 0.020" 0.000" 2.307" 32.98 " 166.3 " 586.3 " 937.0 " 823.6 " 341.5 " 309.0 " 29.13 "
Minimum 0.023" 0.000" 0.000" 0.000" 0.197" 11.04 " 96.81 " 225.2 " 207.5 " 135.0 " 27.20 " 0.081"
Total 8.04" 0.11" 0.00" 9.14" 364.5 " 1824 " 8506 "13845 "12104 " 5912 " 2947 " 282.3 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 125.5 " " ... Relative Uncertainty +/-10%
Ann. Median 27.31 "
Annual Total 45803 "
Maximum Minimum
Daily 937.0 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2003
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.054" 0.000" 0.000" 0.000" 0.000" 19.71 " 563.6 " 469.5 " 230.9 " 463.5 " 129.4 " 36.03 " 1
2 0.042" 0.000" 0.000" 0.000" 0.000" 26.92 " 288.0 " 417.8 " 211.4 " 402.0 " 124.9 " 33.28 " 2
3 0.037" 0.000" 0.000" 0.000" 0.000" 28.10 " 375.1 " 757.1 " 206.9 " 355.0 " 119.6 " 30.08 " 3
4 0.035" 0.000" 0.000" 0.000" 0.000" 25.78 " 399.2 " 987.2 " 292.1 " 324.8 " 112.5 " 27.25 " 4
5 0.032" 0.000" 0.000" 0.000" 0.000" 21.85 " 423.5 " 787.2 " 277.9 " 282.5 " 105.2 " 25.03 " 5
6 0.029" 0.000" 0.000" 0.000" 0.000" 20.28 " 456.8 " 620.2 " 234.1 " 255.6 " 97.02 " 22.60 " 6
7 0.027" 0.000" 0.000" 0.000" 0.000" 17.96 " 389.6 " 489.2 " 242.1 " 236.6 " 89.81 " 20.03 " 7
8 0.025" 0.000" 0.000" 0.000" 0.000" 16.40 " 287.3 " 407.7 " 326.1 " 217.8 " 83.22 " 18.21 " 8
9 0.023" 0.000" 0.000" 0.000" 0.000" 14.91 " 273.1 " 345.2 " 370.4 " 202.6 " 77.60 " 16.06 " 9
10 0.021" 0.000" 0.000" 0.000" 0.000" 22.23 " 339.6 " 375.8 " 449.8 " 187.3 " 72.22 " 14.46 " 10
11 0.020" 0.000" 0.000" 0.000" 0.000" 27.93 " 473.0 " 832.2 " 544.2 " 174.4 " 66.05 " 12.20 " 11
12 0.020" 0.000" 0.000" 0.000" 0.000" 29.32 " 362.6 " 698.2 " 511.5 " 189.9 " 61.32 " 11.77 " 12
13 0.016" 0.000" 0.000" 0.000" 0.000" 27.95 " 392.0 " 477.8 " 503.1 " 411.2 " 56.68 " 11.18 " 13
14 0.013" 0.000" 0.000" 0.000" 0.000" 24.54 " 477.8 " 435.7 " 466.9 " 424.9 " 52.90 " 9.710" 14
15 0.012" 0.000" 0.000" 0.000" 0.000" 21.17 " 400.3 " 406.2 " 421.8 " 367.6 " 49.75 " 8.815" 15
16 0.011" 0.000" 0.000" 0.000" 6.211" 18.92 " 304.0 " 551.3 " 368.9 " 343.8 " 46.87 " 7.943" 16
17 0.010" 0.000" 0.000" 0.000" 4.550" 16.82 " 248.4 " 545.6 " 322.1 " 297.2 " 53.80 " 7.058" 17
18 0.008" 0.000" 0.000" 0.000" 1.416" 15.23 " 203.7 " 426.0 " 286.4 " 259.9 " 72.61 " 6.243" 18
19 0.008" 0.000" 0.000" 0.000" 0.714" 14.05 " 178.8 " 384.5 " 287.6 " 229.0 " 94.09 " 6.244" 19
20 0.008" 0.000" 0.000" 0.000" 0.594" 13.25 " 220.3 " 409.6 " 403.0 " 211.9 " 95.67 " 6.229" 20
21 0.007" 0.000" 0.000" 0.000" 4.459" 12.73 " 244.0 " 484.3 " 704.6 " 204.3 " 92.36 " 5.444" 21
22 0.006" 0.000" 0.000" 0.000" 2.674" 59.60 " 217.8 " 842.7 "1100 " 189.1 " 84.56 " 4.698" 22
23 0.006" 0.000" 0.000" 0.000" 3.692" 120.9 " 190.8 " 650.7 "1041 " 172.7 " 71.66 " 3.861" 23
24 0.007" 0.000" 0.000" 0.000" 2.716" 115.0 " 171.2 " 526.9 "1005 " 161.9 " 63.26 " 3.325" 24
25 0.006" 0.000" 0.000" 0.000" 1.938" 242.1 " 182.3 " 496.9 " 910.4 " 151.8 " 57.64 " 2.817" 25
26 0.005" 0.000" 0.000" 0.000" 1.489" 211.9 " 208.5 " 430.3 " 779.4 " 142.1 " 52.83 " 2.046" 26
27 0.003" 0.000" 0.000" 0.000" 1.242" 141.0 " 197.0 " 372.2 " 642.9 " 144.3 " 47.53 " 1.557" 27
28 0.003" 0.000" 0.000" 0.000" 1.163" 188.7 " 174.1 " 327.7 " 537.8 " 169.0 " 43.69 " 1.255" 28
29 0.001" 0.000" 0.000" 1.069" 249.6 " 167.1 " 324.2 " 472.8 " 155.6 " 41.26 " 1.053" 29
30 0.001" 0.000" 0.000" 1.836" 424.1 " 539.4 " 292.3 " 458.9 " 143.1 " 38.94 " 0.865" 30
31 0.000" 0.000" 4.767" 753.6 " 252.7 " 135.6 " 0.612" 31
Mean 0.016" 0.000" 0.000" 0.000" 1.307" 72.96 " 325.9 " 510.5 " 487.0 " 245.4 " 75.16 " 11.55 "
Median 0.011" 0.000" 0.000" 0.000" 0.594" 25.16 " 288.0 " 469.5 " 435.8 " 211.9 " 71.94 " 7.943"
Maximum 0.054" 0.000" 0.000" 0.000" 6.211" 424.1 " 753.6 " 987.2 "1100 " 463.5 " 129.4 " 36.03 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 12.73 " 167.1 " 252.7 " 206.9 " 135.6 " 38.94 " 0.612"
Total 0.50" 0.00" 0.00" 0.00" 40.53" 2189 "10102 "15825 "14611 " 7607 " 2255 " 358.0 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 145.2 " " ... Relative Uncertainty +/-10%
Ann. Median 18.21 "
Annual Total 52988 "
Maximum Minimum
Daily 1100 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2004
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.436" 0.004" 0.000" 0.000" 0.000" 14.82 " 194.9 " 450.4 " 562.6 " 173.7 " 52.42 " 28.51 " 1
2 0.286" 0.003" 0.000" 0.000" 0.000" 17.08 " 283.4 " 469.4 " 507.0 " 165.6 " 50.99 " 28.14 " 2
3 0.158" 0.002" 0.000" 0.000" 0.000" 17.27 " 353.7 " 393.7 " 459.8 " 155.6 " 55.97 " 26.33 " 3
4 0.090" 0.002" 0.000" 0.000" 0.000" 51.60 " 269.9 " 373.9 " 419.6 " 151.0 " 55.38 " 23.41 " 4
5 0.052" 0.001" 0.000" 0.000" 0.000" 117.0 " 246.3 " 456.8 " 445.0 " 148.7 " 52.09 " 24.00 " 5
6 0.040" 0.001" 0.000" 0.000" 0.000" 112.0 " 243.1 " 509.0 " 458.8 " 167.1 " 49.29 " 21.86 " 6
7 0.037" 0.000" 0.000" 0.000" 0.000" 103.1 " 378.9 " 429.9 " 466.1 " 186.1 " 47.01 " 19.82 " 7
8 0.034" 0.000" 0.000" 0.000" 0.000" 104.0 " 522.1 " 397.4 " 428.0 " 159.9 " 44.28 " 17.60 " 8
9 0.033" 0.000" 0.000" 0.000" 0.000" 108.9 " 494.9 " 362.6 " 418.7 " 155.5 " 50.58 " 14.32 " 9
10 0.031" 0.000" 0.000" 0.000" 0.001" 147.1 " 405.0 " 320.5 " 401.1 " 153.3 " 60.58 " 12.21 " 10
11 0.028" 0.000" 0.000" 0.000" 0.028" 242.8 " 325.4 " 339.7 " 352.5 " 149.4 " 68.06 " 10.45 " 11
12 0.027" 0.000" 0.000" 0.000" 0.072" 243.3 " 321.4 " 515.8 " 318.6 " 180.7 " 66.60 " 8.754" 12
13 0.024" 0.000" 0.000" 0.000" 0.101" 217.1 " 275.8 " 526.0 " 290.9 " 184.4 " 63.22 " 7.199" 13
14 0.021" 0.000" 0.000" 0.000" 0.096" 143.6 " 230.3 " 623.4 " 265.8 " 151.8 " 55.53 " 6.155" 14
15 0.017" 0.000" 0.000" 0.000" 0.115" 119.6 " 206.3 " 647.6 " 250.3 " 140.2 " 49.15 " 5.402" 15
16 0.014" 0.000" 0.000" 0.000" 1.472" 223.8 " 192.1 " 552.1 " 238.4 " 145.8 " 45.75 " 4.907" 16
17 0.011" 0.000" 0.000" 0.000" 1.456" 457.0 " 177.4 " 569.6 " 227.0 " 141.2 " 52.52 " 4.829" 17
18 0.010" 0.000" 0.000" 0.000" 3.018" 254.8 " 161.5 " 579.7 " 221.5 " 129.2 " 47.97 " 4.143" 18
19 0.008" 0.000" 0.000" 0.000" 1.194" 168.6 " 151.7 " 502.3 " 292.7 " 122.0 " 43.16 " 3.221" 19
20 0.007" 0.000" 0.000" 0.000" 0.655" 147.0 " 145.0 " 473.6 " 257.0 " 113.2 " 38.08 " 2.711" 20
21 0.006" 0.000" 0.000" 0.000" 15.96 " 134.7 " 362.8 " 585.5 " 238.4 " 109.8 " 33.46 " 2.140" 21
22 0.005" 0.000" 0.000" 0.000" 5.734" 210.2 " 647.9 " 572.4 " 251.0 " 111.2 " 29.81 " 1.559" 22
23 0.004" 0.000" 0.000" 0.000" 2.011" 225.2 " 460.7 " 766.9 " 239.7 " 103.7 " 26.04 " 1.203" 23
24 0.003" 0.000" 0.000" 0.000" 1.190" 167.8 " 406.8 "1031 " 217.0 " 95.92 " 28.32 " 0.871" 24
25 0.002" 0.000" 0.000" 0.000" 0.807" 154.3 " 399.4 "1152 " 201.2 " 90.03 " 32.38 " 0.676" 25
26 0.001" 0.000" 0.000" 0.000" 0.614" 136.9 " 329.3 "1176 " 196.2 " 81.78 " 33.77 " 0.384" 26
27 0.000" 0.000" 0.000" 0.000" 2.679" 242.7 " 274.9 "1152 " 184.9 " 74.19 " 33.43 " 0.214" 27
28 0.000" 0.000" 0.000" 0.000" 2.277" 359.5 " 247.9 "1067 " 177.8 " 68.16 " 32.65 " 0.127" 28
29 0.005" 0.000" 0.000" 0.000" 3.368" 220.3 " 277.5 " 905.1 " 173.3 " 62.18 " 30.65 " 0.083" 29
30 0.005" 0.000" 0.000" 3.352" 198.4 " 594.3 " 754.4 " 169.6 " 57.16 " 28.55 " 0.056" 30
31 0.005" 0.000" 13.29 " 482.4 " 645.4 " 54.36 " 0.042" 31
Mean 0.045" 0.001" 0.000" 0.000" 1.919" 168.7 " 324.6 " 622.6 " 311.0 " 128.5 " 45.26 " 9.075"
Median 0.014" 0.000" 0.000" 0.000" 0.614" 150.7 " 283.4 " 552.1 " 261.4 " 141.2 " 47.49 " 4.907"
Maximum 0.436" 0.004" 0.000" 0.000" 15.96 " 457.0 " 647.9 "1176 " 562.6 " 186.1 " 68.06 " 28.51 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 14.82 " 145.0 " 320.5 " 169.6 " 54.36 " 26.04 " 0.042"
Total 1.40" 0.01" 0.00" 0.00" 59.50" 5061 "10063 "19301 " 9330 " 3983 " 1358 " 281.3 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 135.1 " " ... Relative Uncertainty +/-10%
Ann. Median 25.02 "
Annual Total 49438 "
Maximum Minimum
Daily 1176 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2005
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.039" 0.000" 0.000" 0.000" 0.000" 26.61 " 491.7 " 291.0 " 334.0 " 440.3 " 308.3 " 85.00 " 1
2 0.036" 0.000" 0.000" 0.000" 0.000" 25.50 " 409.9 " 521.2 " 362.2 " 464.2 " 275.2 " 79.28 " 2
3 0.034" 0.000" 0.000" 0.000" 0.000" 29.58 " 398.9 " 531.6 " 361.7 " 442.8 " 247.8 " 76.27 " 3
4 0.032" 0.000" 0.000" 0.000" 0.000" 32.65 " 492.1 " 433.2 " 329.9 " 516.5 " 226.7 " 71.84 " 4
5 0.030" 0.000" 0.000" 0.000" 0.000" 32.52 " 513.0 " 396.6 " 402.3 " 538.0 " 274.5 " 67.85 " 5
6 0.027" 0.000" 0.000" 0.000" 0.000" 44.93 " 430.9 " 368.2 " 669.6 " 929.6 " 293.9 " 67.92 " 6
7 0.026" 0.000" 0.000" 0.000" 0.000" 122.4 " 368.5 " 344.9 " 692.2 "1036 " 254.8 " 67.61 " 7
8 0.024" 0.000" 0.000" 0.000" 0.000" 151.7 " 324.0 " 314.1 " 676.5 " 770.6 " 282.6 " 67.13 " 8
9 0.022" 0.000" 0.000" 0.000" 0.000" 219.0 " 289.8 " 284.3 " 688.9 " 704.2 " 267.4 " 65.54 " 9
10 0.019" 0.000" 0.000" 0.000" 0.000" 484.5 " 259.3 " 270.0 " 727.4 " 644.6 " 227.0 " 64.03 " 10
11 0.016" 0.000" 0.000" 0.000" 0.000" 451.3 " 234.3 " 257.4 " 693.3 " 573.2 " 204.7 " 65.28 " 11
12 0.013" 0.000" 0.000" 0.000" 0.235" 504.1 " 217.9 " 289.0 " 695.7 " 521.5 " 189.5 " 63.86 " 12
13 0.012" 0.000" 0.000" 0.000" 0.506" 596.4 " 371.5 " 546.0 " 630.5 " 480.4 " 172.7 " 62.84 " 13
14 0.010" 0.000" 0.000" 0.000" 0.826" 557.8 " 808.4 " 600.9 " 629.9 " 434.0 " 159.7 " 59.71 " 14
15 0.007" 0.000" 0.000" 0.000" 2.272" 495.6 " 688.7 " 568.7 " 592.5 " 397.1 " 149.6 " 56.55 " 15
16 0.005" 0.000" 0.000" 0.000" 70.69 " 453.2 " 595.2 " 697.9 " 498.5 " 362.9 " 141.2 " 56.00 " 16
17 0.004" 0.000" 0.000" 0.000" 42.41 " 449.5 " 512.5 "1105 " 573.2 " 345.1 " 133.9 " 53.25 " 17
18 0.003" 0.000" 0.000" 0.000" 124.7 " 422.3 " 454.5 "1227 " 645.0 " 337.5 " 128.1 " 50.59 " 18
19 0.002" 0.000" 0.000" 0.000" 255.9 " 412.8 " 429.8 "1109 " 533.4 " 312.5 " 123.5 " 46.76 " 19
20 0.001" 0.000" 0.000" 0.000" 188.1 " 351.7 " 418.1 " 941.0 " 527.6 " 288.7 " 116.8 " 42.28 " 20
21 0.001" 0.000" 0.000" 0.000" 126.6 " 277.6 " 915.8 " 857.1 " 540.7 " 301.4 " 109.4 " 39.77 " 21
22 0.000" 0.000" 0.000" 0.000" 98.11 " 236.7 " 897.6 " 748.4 " 512.6 " 389.7 " 105.9 " 37.89 " 22
23 0.000" 0.000" 0.000" 0.000" 74.00 " 590.6 " 631.2 " 629.8 " 495.7 " 354.1 " 98.54 " 36.07 " 23
24 0.000" 0.000" 0.000" 0.000" 58.34 " 936.0 " 588.8 " 534.2 " 456.4 " 332.7 " 90.96 " 33.54 " 24
25 0.000" 0.000" 0.000" 0.000" 49.75 " 658.2 " 529.1 " 479.1 " 407.1 " 359.5 " 84.37 " 32.05 " 25
26 0.000" 0.000" 0.000" 0.000" 44.45 " 512.0 " 480.1 " 441.0 " 380.1 " 369.8 " 76.76 " 30.54 " 26
27 0.000" 0.000" 0.000" 0.000" 39.92 " 462.4 " 432.2 " 406.2 " 376.8 " 338.3 " 80.59 " 29.07 " 27
28 0.000" 0.000" 0.000" 0.000" 35.79 " 403.8 " 382.9 " 400.2 " 398.7 " 340.2 " 86.47 " 27.14 " 28
29 0.000" 0.000" 0.000" 33.31 " 442.1 " 346.2 " 388.2 " 405.5 " 299.7 " 87.85 " 26.00 " 29
30 0.000" 0.000" 0.000" 30.72 " 622.9 " 312.6 " 383.2 " 409.4 " 326.0 " 87.95 " 24.64 " 30
31 0.000" 0.000" 28.48 " 286.2 " 358.5 " 361.3 " 22.91 " 31
Mean 0.012" 0.000" 0.000" 0.000" 42.10 " 366.9 " 468.1 " 539.4 " 521.6 " 461.7 " 169.6 " 51.91 "
Median 0.005" 0.000" 0.000" 0.000" 28.48 " 432.2 " 430.9 " 441.0 " 520.1 " 389.7 " 145.4 " 56.00 "
Maximum 0.039" 0.000" 0.000" 0.000" 255.9 " 936.0 " 915.8 "1227 " 727.4 "1036 " 308.3 " 85.00 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 25.50 " 217.9 " 257.4 " 329.9 " 288.7 " 76.76 " 22.91 "
Total 0.36" 0.00" 0.00" 0.00" 1305 "11006 "14512 "16723 "15647 "14313 " 5087 " 1609 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 219.7 " " ... Relative Uncertainty +/-10%
Ann. Median 79.28 "
Annual Total 80202 "
Maximum Minimum
Daily 1227 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2006
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 20.35 " 0.700" 0.012" 0.003" 0.308" 0.663" 15.49 " 207.2 " 375.4 " 87.57 " 16.24 " 25.55 " 1
2 18.42 " 0.544" 0.011" 0.002" 0.279" 0.487" 11.35 " 174.8 " 282.4 " 80.05 " 14.28 " 22.25 " 2
3 18.76 " 0.392" 0.010" 0.002" 0.253" 0.358" 15.69 " 154.0 " 252.3 " 101.8 " 13.37 " 16.76 " 3
4 19.15 " 0.299" 0.009" 0.002" 0.203" 0.269" 13.66 " 142.4 " 224.9 " 133.4 " 15.89 " 12.25 " 4
5 17.25 " 0.215" 0.008" 0.002" 0.565" 0.211" 13.79 " 129.9 " 211.8 " 126.2 " 18.51 " 9.113" 5
6 15.48 " 0.168" 0.007" 0.002" 1.156" 0.156" 13.18 " 146.1 " 182.9 " 104.2 " 17.63 " 7.258" 6
7 13.71 " 0.139" 0.005" 0.001" 0.867" 0.172" 11.71 " 250.5 " 161.2 " 96.73 " 17.44 " 5.741" 7
8 11.10 " 0.104" 0.004" 0.001" 0.395" 0.242" 10.42 " 296.0 " 148.2 " 84.75 " 18.00 " 5.875" 8
9 9.542" 0.067" 0.003" 0.001" 0.214" 0.211" 13.54 " 239.5 " 137.9 " 71.71 " 21.09 " 4.208" 9
10 8.547" 0.046" 0.002" 0.001" 0.135" 0.176" 16.59 " 209.5 " 132.5 " 63.44 " 22.40 " 3.091" 10
11 7.414" 0.043" 0.001" 0.001" 0.098" 0.149" 21.42 " 190.3 " 151.1 " 86.30 " 23.36 " 2.665" 11
12 6.268" 0.041" 0.001" 0.001" 0.075" 0.239" 20.15 " 212.7 " 222.3 " 109.3 " 25.59 " 2.198" 12
13 5.920" 0.037" 0.001" 0.002" 0.070" 13.50 " 19.32 " 251.0 " 238.8 " 95.54 " 25.55 " 1.784" 13
14 5.209" 0.034" 0.000" 0.002" 0.069" 4.633" 23.36 " 189.2 " 186.3 " 78.83 " 22.32 " 1.301" 14
15 4.573" 0.034" 0.000" 0.002" 0.347" 1.827" 22.11 " 192.9 " 163.8 " 75.68 " 17.73 " 0.971" 15
16 3.747" 0.037" 0.000" 0.002" 0.717" 1.105" 19.38 " 222.1 " 149.1 " 71.94 " 17.64 " 0.747" 16
17 3.115" 0.037" 0.000" 0.002" 0.394" 0.848" 17.45 " 186.9 " 140.5 " 62.53 " 18.09 " 0.483" 17
18 2.823" 0.036" 0.000" 0.002" 0.229" 0.762" 15.54 " 162.6 " 156.4 " 57.06 " 16.47 " 0.276" 18
19 2.487" 0.034" 0.000" 0.001" 0.164" 5.971" 13.79 " 170.7 " 168.8 " 52.10 " 14.42 " 0.163" 19
20 1.948" 0.032" 0.000" 0.001" 0.146" 6.079" 42.31 " 178.8 " 148.3 " 47.21 " 14.29 " 0.107" 20
21 1.317" 0.031" 0.000" 0.001" 0.139" 4.973" 87.24 " 178.6 " 143.8 " 54.44 " 12.39 " 0.075" 21
22 0.932" 0.029" 0.000" 0.001" 0.128" 5.130" 72.93 " 576.8 " 147.5 " 47.67 " 11.26 " 0.048" 22
23 0.608" 0.026" 0.003" 0.002" 0.139" 4.170" 51.79 " 705.3 " 136.0 " 44.63 " 9.548" 0.039" 23
24 0.826" 0.024" 0.005" 0.002" 0.137" 5.812" 132.1 " 493.8 " 130.7 " 40.36 " 8.603" 0.034" 24
25 5.612" 0.021" 0.005" 0.004" 0.106" 5.883" 316.1 " 452.8 " 127.5 " 36.44 " 7.602" 0.031" 25
26 6.860" 0.017" 0.005" 0.363" 0.101" 5.698" 180.6 " 433.2 " 124.1 " 32.83 " 6.560" 0.028" 26
27 3.954" 0.016" 0.004" 0.830" 0.107" 5.990" 167.6 " 347.4 " 116.1 " 29.80 " 5.649" 0.024" 27
28 2.679" 0.014" 0.004" 1.982" 0.119" 7.339" 266.3 " 282.4 " 107.0 " 27.22 " 6.864" 0.020" 28
29 1.895" 0.004" 1.211" 0.165" 6.636" 180.0 " 233.7 " 99.33 " 24.35 " 36.38 " 0.017" 29
30 1.277" 0.003" 0.510" 0.406" 7.201" 145.4 " 200.4 " 93.66 " 21.35 " 23.81 " 0.015" 30
31 0.951" 0.003" 0.615" 169.0 " 368.9 " 18.38 " 0.012" 31
Mean 7.185" 0.115" 0.004" 0.165" 0.285" 3.230" 68.37 " 263.9 " 168.7 " 66.57 " 16.63 " 3.972"
Median 5.209" 0.037" 0.003" 0.002" 0.165" 1.466" 20.15 " 209.5 " 148.7 " 63.44 " 16.95 " 0.747"
Maximum 20.35 " 0.700" 0.012" 1.982" 1.156" 13.50 " 316.1 " 705.3 " 375.4 " 133.4 " 36.38 " 25.55 "
Minimum 0.608" 0.014" 0.000" 0.001" 0.069" 0.149" 10.42 " 129.9 " 93.66 " 18.38 " 5.649" 0.012"
Total 222.7 " 3.215" 0.111" 4.939" 8.846" 96.89 "2119 "8180 "5061 "2064 " 499.0 " 123.1 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 50.36 " " ... Relative Uncertainty +/-10%
Ann. Median 5.741"
Annual Total 18383 "
Maximum Minimum
Daily 705.3 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2007
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.010" 0.000" 0.000" 0.000" 0.000" 0.204" 85.85 "1090 " 668.4 " 545.0 " 147.3 " 22.91 " 1
2 0.511" 0.000" 0.000" 0.000" 0.000" 0.141" 134.8 "1026 " 605.7 " 489.0 " 137.3 " 19.31 " 2
3 5.600" 0.000" 0.000" 0.000" 0.000" 0.119" 159.8 " 790.7 " 530.8 " 444.0 " 131.4 " 18.29 " 3
4 1.128" 0.000" 0.000" 0.000" 0.001" 0.110" 126.3 " 618.6 " 486.9 " 403.0 " 126.3 " 16.34 " 4
5 0.432" 0.000" 0.000" 0.000" 0.014" 0.089" 92.66 " 505.3 " 541.2 " 364.9 " 117.9 " 18.99 " 5
6 0.210" 0.000" 0.000" 0.000" 0.121" 0.066" 77.25 " 584.1 " 486.2 " 326.3 " 108.9 " 26.61 " 6
7 0.120" 0.000" 0.000" 0.000" 0.249" 0.068" 66.89 " 810.0 " 578.6 " 294.2 " 102.2 " 30.00 " 7
8 0.078" 0.000" 0.000" 0.000" 0.317" 0.209" 66.15 " 713.5 " 888.5 " 289.7 " 95.97 " 27.29 " 8
9 0.056" 0.000" 0.000" 0.000" 0.336" 0.255" 66.55 " 564.5 " 831.2 " 318.2 " 89.86 " 24.76 " 9
10 0.042" 0.000" 0.000" 0.000" 0.290" 0.204" 54.73 " 600.6 " 664.6 " 329.9 " 83.63 " 28.63 " 10
11 0.036" 0.000" 0.000" 0.000" 0.266" 0.185" 45.38 " 710.0 " 601.8 " 387.1 " 77.14 " 26.03 " 11
12 0.032" 0.000" 0.000" 0.000" 0.278" 0.168" 39.58 " 625.2 " 768.7 " 368.3 " 71.36 " 16.39 " 12
13 0.028" 0.000" 0.000" 0.000" 0.309" 0.528" 35.56 " 504.7 " 806.4 " 315.9 " 65.16 " 11.17 " 13
14 0.026" 0.000" 0.000" 0.000" 0.277" 1.950" 33.25 " 477.5 " 837.6 " 280.3 " 59.76 " 15.74 " 14
15 0.023" 0.000" 0.000" 0.000" 0.253" 0.875" 30.81 " 437.3 "1011 " 240.6 " 52.89 " 15.84 " 15
16 0.018" 0.000" 0.000" 0.000" 0.238" 0.471" 31.66 " 384.9 " 923.2 " 214.0 " 48.32 " 15.23 " 16
17 0.015" 0.000" 0.000" 0.000" 0.240" 0.278" 31.61 " 336.8 " 813.6 " 219.6 " 44.90 " 18.56 " 17
18 0.012" 0.000" 0.000" 0.000" 0.276" 0.172" 30.09 " 296.6 " 811.9 " 261.5 " 42.65 " 19.55 " 18
19 0.009" 0.000" 0.000" 0.000" 0.291" 0.128" 61.89 " 389.1 " 756.0 " 235.8 " 40.23 " 19.03 " 19
20 0.006" 0.000" 0.000" 0.000" 0.405" 0.124" 175.7 "1140 " 656.3 " 224.1 " 37.85 " 17.02 " 20
21 0.004" 0.000" 0.000" 0.000" 0.534" 0.121" 172.3 "1063 " 624.6 " 245.0 " 35.17 " 14.68 " 21
22 0.003" 0.000" 0.000" 0.000" 0.274" 2.584" 151.0 " 676.2 " 658.2 " 240.6 " 33.08 " 12.88 " 22
23 0.002" 0.000" 0.000" 0.000" 0.156" 4.991" 167.1 " 749.0 " 647.9 " 200.1 " 30.74 " 12.00 " 23
24 0.001" 0.000" 0.000" 0.000" 0.143" 11.52 " 381.4 " 712.5 " 717.4 " 184.2 " 27.96 " 11.53 " 24
25 0.000" 0.000" 0.000" 0.000" 0.177" 9.156" 470.2 " 612.0 " 945.0 " 168.6 " 25.73 " 10.20 " 25
26 0.000" 0.000" 0.000" 0.000" 0.247" 5.467" 377.0 " 671.4 " 880.0 " 159.2 " 22.99 " 8.519" 26
27 0.000" 0.000" 0.000" 0.000" 0.961" 9.946" 528.8 " 738.7 " 840.2 " 166.0 " 19.79 " 7.471" 27
28 0.000" 0.000" 0.000" 0.000" 3.133" 45.70 "1093 " 687.1 " 780.9 " 187.4 " 17.19 " 6.318" 28
29 0.000" 0.000" 0.000" 1.118" 53.06 " 959.3 " 647.0 " 700.1 " 185.4 " 15.03 " 4.845" 29
30 0.000" 0.000" 0.000" 0.514" 62.25 " 863.0 " 901.8 " 615.6 " 171.9 " 32.51 " 3.938" 30
31 0.000" 0.000" 0.306" 1158 " 836.1 " 160.5 " 3.159" 31
Mean 0.271" 0.000" 0.000" 0.000" 0.378" 7.038" 250.6 " 674.2 " 722.6 " 278.1 " 64.70 " 16.23 "
Median 0.015" 0.000" 0.000" 0.000" 0.274" 0.232" 92.66 " 671.4 " 708.7 " 245.0 " 50.61 " 16.34 "
Maximum 5.600" 0.000" 0.000" 0.000" 3.133" 62.25 "1158 "1140 "1011 " 545.0 " 147.3 " 30.00 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 0.066" 30.09 " 296.6 " 486.2 " 159.2 " 15.03 " 3.159"
Total 8.40" 0.00" 0.00" 0.00" 11.72" 211.1 " 7767 "20900 "21679 " 8620 " 1941 " 503.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 168.9 " " ... Relative Uncertainty +/-10%
Ann. Median 9.946"
Annual Total 61642 "
Maximum Minimum
Daily 1158 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2008
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.592" 0.000" 0.000" 0.000" 0.027" 162.4 " 234.5 "1038 " 162.0 " 188.1 " 98.04 " 33.26 " 1
2 2.184" 0.000" 0.000" 0.000" 0.030" 119.1 " 195.0 "1162 " 161.1 " 205.8 " 89.21 " 30.02 " 2
3 1.950" 0.000" 0.000" 0.000" 0.323" 84.29 " 166.3 "1112 " 149.2 " 181.1 " 83.44 " 26.70 " 3
4 1.514" 0.000" 0.000" 0.000" 0.615" 65.24 " 292.9 " 820.4 " 140.7 " 175.4 " 83.02 " 25.19 " 4
5 1.133" 0.000" 0.000" 0.000" 0.324" 54.24 " 320.0 " 673.1 " 137.5 " 192.9 " 86.63 " 23.52 " 5
6 0.856" 0.000" 0.000" 0.000" 0.162" 48.43 " 257.6 " 583.4 " 135.7 " 165.1 " 119.1 " 20.95 " 6
7 0.677" 0.000" 0.000" 0.000" 0.087" 45.21 " 190.1 " 518.6 " 131.1 " 146.7 " 134.2 " 18.26 " 7
8 0.436" 0.000" 0.000" 0.000" 0.057" 42.89 " 162.5 " 469.9 " 127.2 " 135.5 " 125.1 " 16.16 " 8
9 0.243" 0.000" 0.000" 0.000" 0.047" 220.8 " 185.0 " 421.9 " 123.7 " 127.6 " 117.0 " 16.26 " 9
10 0.125" 0.000" 0.000" 0.000" 1.387" 329.3 " 243.8 " 382.8 " 120.6 " 122.2 " 108.1 " 14.18 " 10
11 0.064" 0.000" 0.000" 0.000" 2.555" 180.8 " 445.5 " 344.9 " 127.8 " 121.0 " 96.87 " 11.71 " 11
12 0.042" 0.000" 0.000" 0.000" 0.850" 138.2 " 447.7 " 310.2 " 134.2 " 121.5 " 87.60 " 10.12 " 12
13 0.039" 0.000" 0.000" 0.000" 1.044" 120.1 " 396.9 " 283.7 " 129.5 " 117.8 " 80.39 " 9.331" 13
14 0.035" 0.000" 0.000" 0.000" 1.086" 101.2 " 298.9 " 262.3 " 132.0 " 109.5 " 71.77 " 8.283" 14
15 0.030" 0.000" 0.000" 0.000" 2.500" 289.6 " 459.3 " 244.2 " 126.9 " 101.2 " 59.85 " 6.842" 15
16 0.026" 0.000" 0.000" 0.000" 1.815" 688.1 " 733.2 " 228.5 " 120.8 " 92.34 " 52.75 " 5.815" 16
17 0.022" 0.000" 0.000" 0.000" 0.758" 621.7 " 618.7 " 214.6 " 140.8 " 86.21 " 49.08 " 5.010" 17
18 0.019" 0.000" 0.000" 0.000" 0.746" 420.3 " 865.7 " 203.4 " 163.5 " 83.18 " 44.03 " 4.219" 18
19 0.017" 0.000" 0.000" 0.000" 1.659" 247.3 "1078 " 202.8 " 171.1 " 76.96 " 41.84 " 4.533" 19
20 0.014" 0.000" 0.000" 0.000" 1.116" 177.3 " 786.6 " 202.3 " 160.4 " 71.30 " 40.68 " 4.960" 20
21 0.012" 0.000" 0.000" 0.000" 0.659" 149.5 " 524.9 " 186.9 " 186.2 " 79.44 " 37.09 " 6.298" 21
22 0.010" 0.000" 0.000" 0.000" 5.998" 135.4 " 451.5 " 175.1 " 232.2 " 69.59 " 40.77 " 6.470" 22
23 0.008" 0.000" 0.000" 0.000" 28.18 " 126.7 " 643.3 " 168.0 " 177.9 " 69.72 " 38.77 " 6.245" 23
24 0.006" 0.000" 0.000" 0.002" 52.77 " 121.7 "1157 " 164.1 " 153.2 " 105.4 " 41.43 " 5.188" 24
25 0.005" 0.000" 0.000" 0.002" 48.35 " 133.1 " 859.2 " 163.6 " 255.1 " 124.5 " 43.32 " 4.586" 25
26 0.003" 0.000" 0.000" 0.002" 70.03 " 130.3 " 627.6 " 160.5 " 284.3 " 115.1 " 41.52 " 3.894" 26
27 0.002" 0.000" 0.000" 0.002" 52.12 " 126.1 " 577.7 " 153.8 " 211.1 " 104.9 " 41.61 " 3.312" 27
28 0.001" 0.000" 0.000" 0.003" 99.98 " 271.1 " 766.5 " 149.2 " 215.4 " 98.77 " 39.70 " 3.047" 28
29 0.000" 0.000" 0.000" 0.005" 134.5 " 380.5 " 893.1 " 152.4 " 208.1 " 114.9 " 38.86 " 2.519" 29
30 0.000" 0.000" 0.012" 113.3 " 306.8 "1093 " 161.7 " 193.9 " 124.2 " 36.56 " 1.877" 30
31 0.000" 0.000" 117.4 " 1184 " 157.7 " 111.9 " 1.331" 31
Mean 0.389" 0.000" 0.000" 0.001" 23.89 " 201.3 " 553.5 " 370.0 " 163.8 " 120.6 " 68.94 " 10.97 "
Median 0.026" 0.000" 0.000" 0.000" 1.116" 136.8 " 459.3 " 228.5 " 151.2 " 115.1 " 56.30 " 6.470"
Maximum 2.592" 0.000" 0.000" 0.012" 134.5 " 688.1 "1184 "1162 " 284.3 " 205.8 " 134.2 " 33.26 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.027" 42.89 " 162.5 " 149.2 " 120.6 " 69.59 " 36.56 " 1.331"
Total 12.07" 0.00" 0.00" 0.03" 740.5 " 6038 "17157 "11471 " 4913 " 3740 " 2068 " 340.1 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 127.0 " " ... Relative Uncertainty +/-10%
Ann. Median 41.47 "
Annual Total 46480 "
Maximum Minimum
Daily 1184 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2009
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.939" 0.000" 0.000" 0.000" 0.000" 0.000" 533.3 " 430.8 " 461.8 " 668.2 " 128.5 " 60.11 " 1
2 0.599" 0.000" 0.000" 0.000" 0.000" 0.000" 280.4 " 444.0 " 565.9 " 627.7 " 121.8 " 54.39 " 2
3 0.351" 0.000" 0.000" 0.000" 0.000" 0.000" 198.8 " 420.2 " 511.3 " 601.4 " 113.3 " 49.30 " 3
4 0.194" 0.000" 0.000" 0.000" 0.000" 0.000" 163.3 " 381.7 " 456.2 " 550.4 " 107.6 " 45.04 " 4
5 0.121" 0.000" 0.000" 0.000" 0.000" 0.000" 144.9 " 368.3 " 552.1 " 501.9 " 103.2 " 42.05 " 5
6 0.072" 0.000" 0.000" 0.000" 0.000" 0.000" 199.1 " 480.4 " 594.1 " 469.3 " 97.17 " 39.16 " 6
7 0.041" 0.000" 0.000" 0.000" 0.000" 0.000" 482.5 " 505.1 " 574.7 " 438.5 " 92.73 " 36.68 " 7
8 0.035" 0.000" 0.000" 0.000" 0.000" 0.000" 458.0 " 413.2 " 724.3 " 407.4 " 90.24 " 36.75 " 8
9 0.031" 0.000" 0.000" 0.000" 0.000" 0.000" 720.8 " 395.1 " 675.4 " 383.6 " 85.71 " 32.54 " 9
10 0.028" 0.000" 0.000" 0.000" 0.000" 0.000" 962.4 " 413.9 " 732.7 " 361.5 " 79.60 " 29.38 " 10
11 0.025" 0.000" 0.000" 0.000" 0.000" 0.271" 695.8 " 504.0 "1278 " 343.5 " 75.07 " 26.66 " 11
12 0.022" 0.000" 0.000" 0.000" 0.000" 2.482" 503.7 " 534.6 "1312 " 324.9 " 80.70 " 24.54 " 12
13 0.020" 0.000" 0.000" 0.000" 0.000" 1.153" 407.2 " 585.1 "1043 " 307.9 " 133.3 " 20.81 " 13
14 0.018" 0.000" 0.000" 0.000" 0.000" 0.519" 321.7 " 605.8 " 930.3 " 287.8 " 147.3 " 18.57 " 14
15 0.015" 0.000" 0.000" 0.000" 0.000" 0.461" 281.9 " 864.9 "1007 " 265.7 " 141.0 " 16.20 " 15
16 0.012" 0.000" 0.000" 0.000" 0.000" 6.972" 408.9 "1018 "1053 " 246.4 " 155.6 " 14.64 " 16
17 0.010" 0.000" 0.000" 0.000" 0.000" 26.37 " 622.8 " 966.7 " 884.3 " 227.4 " 138.0 " 12.39 " 17
18 0.008" 0.000" 0.000" 0.000" 0.000" 28.69 " 646.1 " 942.5 "1008 " 210.7 " 134.4 " 10.53 " 18
19 0.005" 0.000" 0.000" 0.000" 0.000" 45.24 "1553 " 935.8 "1014 " 196.4 " 154.0 " 9.146" 19
20 0.004" 0.000" 0.000" 0.000" 0.000" 140.8 "1887 " 811.1 " 907.1 " 181.7 " 152.5 " 7.514" 20
21 0.004" 0.000" 0.000" 0.000" 0.000" 197.3 "1875 " 738.2 "1224 " 171.1 " 157.1 " 6.267" 21
22 0.003" 0.000" 0.000" 0.000" 0.000" 141.0 "1528 " 679.3 "1217 " 162.5 " 152.8 " 6.590" 22
23 0.002" 0.000" 0.000" 0.000" 0.000" 104.3 "1727 " 661.6 " 988.6 " 155.6 " 137.8 " 7.757" 23
24 0.002" 0.000" 0.000" 0.000" 0.000" 358.5 "1378 " 612.2 " 926.1 " 149.6 " 124.8 " 7.086" 24
25 0.001" 0.000" 0.000" 0.000" 0.000" 514.3 "1118 " 554.8 " 820.7 " 142.2 " 110.2 " 6.689" 25
26 0.001" 0.000" 0.000" 0.000" 0.000" 304.3 " 965.1 " 506.8 " 725.8 " 136.4 " 97.42 " 6.065" 26
27 0.000" 0.000" 0.000" 0.000" 0.000" 331.2 " 800.8 " 472.6 " 641.5 " 135.5 " 85.60 " 4.991" 27
28 0.000" 0.000" 0.000" 0.000" 0.000" 453.0 " 688.7 " 454.8 " 653.2 " 141.5 " 76.28 " 4.614" 28
29 0.000" 0.000" 0.000" 0.000" 625.2 " 593.5 " 449.0 " 706.6 " 141.6 " 68.42 " 4.298" 29
30 0.000" 0.000" 0.000" 0.000" 884.8 " 517.7 " 436.6 " 718.8 " 139.3 " 63.06 " 3.487" 30
31 0.000" 0.000" 0.000" 469.7 " 407.9 " 133.6 " 2.979" 31
Mean 0.083" 0.000" 0.000" 0.000" 0.000" 138.9 " 746.2 " 580.5 " 830.3 " 297.1 " 113.5 " 20.88 "
Median 0.012" 0.000" 0.000" 0.000" 0.000" 4.727" 593.5 " 505.1 " 776.7 " 246.4 " 111.8 " 14.64 "
Maximum 0.939" 0.000" 0.000" 0.000" 0.000" 884.8 "1887 "1018 "1312 " 668.2 " 157.1 " 60.11 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 144.9 " 368.3 " 456.2 " 133.6 " 63.06 " 2.979"
Total 2.56" 0.00" 0.00" 0.00" 0.00" 4167 "23132 "17995 "24908 " 9211 " 3405 " 647.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 228.7 " " ... Relative Uncertainty +/-10%
Ann. Median 14.64 "
Annual Total 83468 "
Maximum Minimum
Daily 1887 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2010
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.277" 0.000" 0.000" 0.000" 0.033" 15.76 " 49.03 " 183.4 " 111.4 " 35.87 " 7.303" 0.425" 1
2 1.847" 0.000" 0.000" 0.000" 0.031" 8.460" 55.79 " 149.4 " 101.5 " 34.16 " 6.225" 0.253" 2
3 1.520" 0.000" 0.000" 0.000" 0.031" 7.954" 53.28 " 130.9 " 94.66 " 32.49 " 5.091" 0.200" 3
4 1.116" 0.000" 0.000" 0.000" 0.030" 10.05 " 49.27 " 121.2 " 92.61 " 31.41 " 4.393" 0.168" 4
5 0.794" 0.000" 0.000" 0.000" 0.027" 7.786" 43.84 " 112.6 " 90.75 " 30.55 " 3.918" 0.213" 5
6 0.651" 0.000" 0.000" 0.000" 0.026" 5.662" 41.07 " 105.8 " 89.09 " 29.07 " 3.303" 0.403" 6
7 0.480" 0.000" 0.000" 0.000" 0.025" 6.570" 39.42 " 100.5 " 110.0 " 27.01 " 3.065" 1.590" 7
8 0.319" 0.000" 0.000" 0.000" 0.024" 10.28 " 124.7 " 93.97 " 156.6 " 25.53 " 2.900" 1.650" 8
9 0.230" 0.000" 0.000" 0.000" 0.025" 7.219" 272.3 " 85.07 " 153.9 " 24.47 " 6.755" 0.823" 9
10 0.158" 0.000" 0.000" 0.000" 0.025" 5.214" 284.6 " 81.10 " 132.8 " 29.22 " 15.87 " 0.483" 10
11 0.099" 0.000" 0.000" 0.000" 0.024" 4.297" 222.6 " 103.1 " 125.2 " 32.57 " 18.40 " 0.307" 11
12 0.061" 0.000" 0.000" 0.000" 0.026" 3.833" 210.1 " 676.8 " 132.2 " 32.85 " 14.73 " 0.202" 12
13 0.043" 0.000" 0.000" 0.000" 1.992" 3.618" 224.9 " 837.1 " 131.7 " 31.29 " 13.14 " 0.126" 13
14 0.038" 0.000" 0.000" 0.000" 1.198" 25.88 " 171.6 " 482.8 " 121.7 " 26.98 " 11.06 " 0.075" 14
15 0.034" 0.000" 0.000" 0.041" 0.614" 15.77 " 136.7 " 340.1 " 109.4 " 22.64 " 8.495" 0.046" 15
16 0.029" 0.000" 0.000" 0.597" 1.260" 10.45 " 131.1 " 256.6 " 97.39 " 19.71 " 5.989" 0.037" 16
17 0.026" 0.000" 0.000" 0.514" 2.349" 10.36 " 136.5 " 213.7 " 86.55 " 18.02 " 4.874" 0.033" 17
18 0.023" 0.000" 0.000" 0.268" 1.112" 11.19 " 128.0 " 206.4 " 77.49 " 15.71 " 4.160" 0.028" 18
19 0.020" 0.000" 0.000" 0.147" 0.567" 9.517" 122.6 " 231.7 " 71.16 " 14.02 " 3.709" 0.026" 19
20 0.017" 0.000" 0.000" 0.137" 0.325" 11.30 " 106.1 " 221.1 " 65.83 " 18.71 " 3.363" 0.024" 20
21 0.015" 0.000" 0.000" 1.789" 0.239" 10.96 " 91.38 " 188.7 " 61.15 " 19.92 " 3.577" 0.029" 21
22 0.012" 0.000" 0.000" 1.163" 4.396" 11.69 " 80.39 " 199.9 " 56.64 " 17.73 " 3.406" 0.037" 22
23 0.010" 0.000" 0.000" 0.374" 8.173" 42.50 " 74.93 " 180.8 " 52.95 " 16.93 " 3.472" 0.106" 23
24 0.008" 0.000" 0.000" 0.158" 2.330" 44.96 " 68.39 " 167.5 " 49.72 " 16.57 " 2.861" 0.144" 24
25 0.006" 0.000" 0.000" 0.088" 1.375" 62.01 " 86.79 " 152.6 " 48.01 " 14.19 " 2.416" 0.067" 25
26 0.005" 0.000" 0.000" 0.057" 4.572" 107.1 " 207.6 " 138.7 " 45.62 " 13.62 " 2.143" 0.038" 26
27 0.003" 0.000" 0.000" 0.043" 25.13 " 123.0 " 223.5 " 130.5 " 44.64 " 10.59 " 1.945" 0.029" 27
28 0.002" 0.000" 0.000" 0.039" 25.78 " 100.7 " 226.6 " 124.8 " 43.11 " 11.11 " 1.794" 0.023" 28
29 0.001" 0.000" 0.036" 12.28 " 77.07 " 431.2 " 120.4 " 43.22 " 9.764" 1.487" 0.017" 29
30 0.001" 0.000" 0.034" 10.23 " 59.97 " 338.4 " 123.7 " 38.91 " 8.152" 0.778" 0.011" 30
31 0.000" 0.000" 18.44 " 231.3 " 120.4 " 7.948" 0.007" 31
Mean 0.318" 0.000" 0.000" 0.183" 3.958" 27.70 " 150.5 " 205.8 " 87.87 " 21.90 " 5.687" 0.246"
Median 0.029" 0.000" 0.000" 0.035" 0.614" 10.71 " 128.0 " 149.4 " 89.92 " 19.92 " 3.813" 0.075"
Maximum 2.277" 0.000" 0.000" 1.789" 25.78 " 123.0 " 431.2 " 837.1 " 156.6 " 35.87 " 18.40 " 1.650"
Minimum 0.000" 0.000" 0.000" 0.000" 0.024" 3.618" 39.42 " 81.10 " 38.91 " 7.948" 0.778" 0.007"
Total 9.848" 0.000" 0.000" 5.485" 122.7 " 831.0 "4664 "6381 "2636 " 678.8 " 170.6 " 7.621"
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 42.49 " " ... Relative Uncertainty +/-10%
Ann. Median 3.065"
Annual Total 15507 "
Maximum Minimum
Daily 837.1 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2011
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.004" 0.000" 0.000" 0.000" 0.000" 6.162" 142.1 " 587.3 " 228.3 " 221.5 " 47.44 " 7.208" 1
2 0.003" 0.000" 0.000" 0.000" 0.000" 16.69 " 169.2 " 543.2 " 269.9 " 234.2 " 43.88 " 5.498" 2
3 0.002" 0.000" 0.000" 0.000" 0.000" 12.24 " 201.3 " 508.9 " 305.0 " 203.4 " 45.58 " 4.345" 3
4 0.001" 0.000" 0.000" 0.000" 0.000" 8.966" 154.1 " 449.6 " 288.4 " 183.8 " 51.05 " 3.552" 4
5 0.003" 0.000" 0.000" 0.000" 0.000" 6.096" 117.4 " 373.8 " 289.2 " 165.8 " 52.38 " 3.156" 5
6 0.007" 0.000" 0.000" 0.000" 0.000" 4.449" 94.99 " 284.9 " 249.8 " 155.0 " 49.81 " 2.603" 6
7 0.010" 0.000" 0.000" 0.000" 0.000" 3.431" 89.37 " 264.3 " 209.8 " 148.4 " 49.60 " 3.775" 7
8 0.010" 0.000" 0.000" 0.000" 0.000" 2.735" 82.97 " 264.3 " 182.7 " 147.6 " 64.49 " 5.093" 8
9 0.008" 0.000" 0.000" 0.000" 0.000" 2.268" 68.49 " 249.7 " 163.6 " 152.3 " 69.82 " 3.823" 9
10 0.006" 0.000" 0.000" 0.000" 0.000" 2.131" 58.56 " 212.2 " 152.5 " 155.4 " 68.67 " 3.091" 10
11 0.004" 0.000" 0.000" 0.000" 0.000" 1.990" 53.44 " 179.4 " 144.6 " 142.6 " 57.51 " 2.583" 11
12 0.002" 0.000" 0.000" 0.000" 0.000" 1.695" 52.26 " 160.2 " 136.8 " 135.1 " 50.83 " 2.127" 12
13 0.001" 0.000" 0.000" 0.000" 0.000" 1.446" 53.57 " 187.4 " 132.1 " 130.5 " 46.27 " 2.156" 13
14 0.000" 0.000" 0.000" 0.000" 0.000" 7.721" 47.56 " 457.7 " 128.8 " 126.3 " 42.76 " 2.259" 14
15 0.000" 0.000" 0.000" 0.000" 0.000" 13.14 " 111.8 " 457.5 " 131.5 " 120.5 " 39.20 " 2.487" 15
16 0.000" 0.000" 0.000" 0.000" 0.000" 10.07 " 176.9 " 611.6 " 146.3 " 113.9 " 35.56 " 4.108" 16
17 0.000" 0.000" 0.000" 0.000" 0.000" 6.388" 123.5 " 689.6 " 150.9 " 107.1 " 39.97 " 5.412" 17
18 0.000" 0.000" 0.000" 0.000" 0.000" 5.655" 92.26 " 485.8 " 316.6 " 109.9 " 39.61 " 25.38 " 18
19 0.000" 0.000" 0.000" 0.000" 0.000" 6.562" 74.34 " 393.4 " 412.2 " 111.3 " 35.74 " 16.58 " 19
20 0.000" 0.000" 0.000" 0.000" 10.64 " 6.063" 86.21 " 311.3 " 303.4 " 103.5 " 31.88 " 10.25 " 20
21 0.000" 0.000" 0.000" 0.000" 8.615" 6.647" 135.4 " 292.9 " 364.9 " 92.46 " 28.25 " 5.356" 21
22 0.000" 0.000" 0.000" 0.000" 5.839" 5.367" 131.6 " 535.4 " 501.0 " 86.34 " 24.62 " 3.113" 22
23 0.000" 0.000" 0.000" 0.000" 3.500" 6.210" 111.8 " 562.2 " 388.4 " 82.55 " 21.33 " 2.445" 23
24 0.000" 0.000" 0.000" 0.000" 2.566" 14.69 " 95.85 " 568.8 " 320.1 " 80.69 " 17.94 " 1.918" 24
25 0.000" 0.000" 0.000" 0.000" 1.480" 48.79 " 120.9 " 605.4 " 283.8 " 78.56 " 15.38 " 1.434" 25
26 0.000" 0.000" 0.000" 0.000" 0.839" 91.78 " 285.6 " 457.7 " 278.1 " 77.36 " 12.19 " 1.045" 26
27 0.000" 0.000" 0.000" 0.000" 0.789" 58.42 " 228.8 " 398.6 " 312.5 " 75.05 " 10.31 " 0.797" 27
28 0.000" 0.000" 0.000" 0.000" 0.683" 119.8 " 349.7 " 369.5 " 356.6 " 70.06 " 9.156" 0.586" 28
29 0.000" 0.000" 0.000" 0.740" 136.7 " 646.4 " 321.4 " 295.0 " 63.61 " 10.72 " 0.316" 29
30 0.000" 0.000" 0.000" 18.25 " 123.8 " 755.9 " 273.0 " 253.4 " 57.44 " 8.460" 0.195" 30
31 0.000" 0.000" 9.860" 675.3 " 244.4 " 52.31 " 0.112" 31
Mean 0.002" 0.000" 0.000" 0.000" 2.058" 24.60 " 180.2 " 396.8 " 256.5 " 122.1 " 37.35 " 4.284"
Median 0.000" 0.000" 0.000" 0.000" 0.000" 6.475" 117.4 " 393.4 " 274.0 " 113.9 " 39.79 " 3.091"
Maximum 0.010" 0.000" 0.000" 0.000" 18.25 " 136.7 " 755.9 " 689.6 " 501.0 " 234.2 " 69.82 " 25.38 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 1.446" 47.56 " 160.2 " 128.8 " 52.31 " 8.460" 0.112"
Total 0.06" 0.00" 0.00" 0.00" 63.80" 738.1 " 5588 "12301 " 7696 " 3785 " 1120 " 132.8 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 86.10 " " ... Relative Uncertainty +/-10%
Ann. Median 5.655"
Annual Total 31425 "
Maximum Minimum
Daily 755.9 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2012
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.058" 0.000" 0.000" 0.000" 0.000" 20.05 " 103.9 " 100.7 " 187.4 " 171.8 " 31.99 " 10.22 " 1
2 0.038" 0.000" 0.000" 0.000" 0.000" 13.45 " 95.32 " 135.9 " 164.5 " 148.6 " 28.34 " 8.899" 2
3 0.030" 0.000" 0.000" 0.000" 0.000" 8.480" 82.74 " 159.4 " 202.4 " 142.2 " 27.81 " 8.972" 3
4 0.025" 0.000" 0.000" 0.000" 0.000" 5.112" 71.01 " 186.4 " 536.2 " 140.9 " 37.18 " 8.205" 4
5 0.022" 0.000" 0.000" 0.000" 0.000" 3.300" 62.18 " 167.3 " 567.3 " 129.9 " 66.10 " 7.057" 5
6 0.019" 0.000" 0.000" 0.000" 0.000" 1.984" 107.0 " 137.8 " 439.1 " 120.6 " 65.95 " 6.056" 6
7 0.017" 0.000" 0.000" 0.000" 0.000" 8.913" 164.4 " 141.0 " 325.9 " 110.0 " 57.87 " 5.109" 7
8 0.014" 0.000" 0.000" 0.000" 0.000" 32.18 " 140.7 " 134.7 " 248.9 " 100.8 " 43.75 " 4.170" 8
9 0.011" 0.000" 0.000" 0.000" 0.000" 14.08 " 112.7 " 123.6 " 204.9 " 90.22 " 38.73 " 4.039" 9
10 0.008" 0.000" 0.000" 0.000" 0.000" 37.90 " 97.08 " 110.3 " 175.2 " 80.62 " 37.10 " 3.887" 10
11 0.005" 0.000" 0.000" 0.000" 0.000" 66.34 " 99.93 " 95.52 " 195.4 " 72.24 " 33.47 " 4.551" 11
12 0.003" 0.000" 0.000" 0.000" 0.000" 62.16 " 105.1 " 156.6 " 183.8 " 65.63 " 29.22 " 28.98 " 12
13 0.002" 0.000" 0.000" 0.000" 0.000" 129.3 " 90.08 " 312.6 " 152.4 " 64.93 " 25.86 " 29.95 " 13
14 0.001" 0.000" 0.000" 0.000" 0.000" 111.6 " 79.75 " 246.7 " 136.8 " 76.83 " 24.76 " 25.49 " 14
15 0.000" 0.000" 0.000" 0.000" 0.000" 146.5 " 74.51 " 202.0 " 128.2 " 83.86 " 21.02 " 26.52 " 15
16 0.000" 0.000" 0.000" 0.000" 0.000" 121.7 " 81.14 " 165.0 " 119.3 " 81.48 " 18.11 " 21.43 " 16
17 0.000" 0.000" 0.000" 0.000" 0.000" 91.93 " 82.52 " 140.1 " 109.8 " 70.07 " 15.72 " 15.94 " 17
18 0.000" 0.000" 0.000" 0.000" 0.000" 71.84 " 74.15 " 127.0 " 103.8 " 63.06 " 12.30 " 13.48 " 18
19 0.000" 0.000" 0.000" 0.000" 0.000" 174.6 " 66.53 " 118.3 " 98.48 " 58.88 " 10.17 " 9.732" 19
20 0.000" 0.000" 0.000" 0.000" 0.000" 202.4 " 63.60 " 115.1 " 106.0 " 55.70 " 8.686" 7.239" 20
21 0.000" 0.000" 0.000" 0.000" 0.000" 149.4 " 60.56 " 130.0 " 120.8 " 51.08 " 8.021" 6.292" 21
22 0.000" 0.000" 0.000" 0.000" 0.000" 116.6 " 56.62 " 158.0 " 166.9 " 73.61 " 8.335" 5.154" 22
23 0.000" 0.000" 0.000" 0.000" 0.000" 94.19 " 82.98 " 139.7 " 157.2 " 65.01 " 12.93 " 4.153" 23
24 0.000" 0.000" 0.000" 0.000" 0.000" 77.63 " 107.4 " 123.4 " 130.1 " 63.18 " 16.01 " 3.160" 24
25 0.000" 0.000" 0.000" 0.000" 0.000" 67.43 " 101.9 " 111.4 " 131.3 " 55.03 " 14.11 " 2.658" 25
26 0.000" 0.000" 0.000" 0.000" 0.000" 110.6 " 81.34 " 103.2 " 192.8 " 45.71 " 6.871" 2.232" 26
27 0.000" 0.000" 0.000" 0.000" 0.000" 158.6 " 69.02 " 104.3 " 376.5 " 43.05 " 6.246" 2.372" 27
28 0.000" 0.000" 0.000" 0.000" 0.000" 143.6 " 61.55 " 103.4 " 358.7 " 38.83 " 8.754" 1.441" 28
29 0.000" 0.000" 0.000" 0.000" 0.000" 121.6 " 55.95 " 100.9 " 244.1 " 36.42 " 14.41 " 0.895" 29
30 0.000" 0.000" 0.000" 0.000" 109.7 " 52.18 " 101.6 " 199.0 " 34.77 " 13.22 " 0.522" 30
31 0.000" 0.000" 0.946" 54.14 " 119.0 " 32.11 " 0.295" 31
Mean 0.008" 0.000" 0.000" 0.000" 0.031" 82.44 " 85.10 " 141.0 " 215.4 " 79.58 " 24.77 " 9.003"
Median 0.000" 0.000" 0.000" 0.000" 0.000" 84.78 " 81.34 " 130.0 " 179.5 " 70.07 " 19.57 " 6.056"
Maximum 0.058" 0.000" 0.000" 0.000" 0.946" 202.4 " 164.4 " 312.6 " 567.3 " 171.8 " 66.10 " 29.95 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 1.984" 52.18 " 95.52 " 98.48 " 32.11 " 6.246" 0.295"
Total 0.253" 0.000" 0.000" 0.000" 0.946"2473 "2638 "4371 "6463 "2467 " 743.0 " 279.1 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 53.10 " " ... Relative Uncertainty +/-10%
Ann. Median 8.906"
Annual Total 19436 "
Maximum Minimum
Daily 567.3 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2013
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.160" 0.000" 0.000" 0.000" 0.000" 91.60 " 226.3 " 485.2 " 689.9 " 632.7 " 115.1 " 69.79 " 1
2 0.080" 0.000" 0.000" 0.000" 0.000" 61.77 " 174.3 " 457.9 " 597.1 " 557.9 " 109.4 " 58.28 " 2
3 0.040" 0.000" 0.000" 0.000" 0.000" 47.14 " 174.0 " 386.8 " 546.4 " 504.1 " 102.2 " 50.17 " 3
4 0.028" 0.000" 0.000" 0.000" 0.000" 40.86 " 194.8 " 339.9 " 575.0 " 464.2 " 95.85 " 46.30 " 4
5 0.022" 0.000" 0.000" 0.000" 0.000" 44.87 " 170.6 " 369.7 " 536.8 " 438.4 " 89.14 " 41.88 " 5
6 0.018" 0.000" 0.000" 0.000" 0.000" 43.66 " 141.9 " 499.5 " 455.2 " 427.7 " 84.77 " 38.08 " 6
7 0.015" 0.000" 0.000" 0.000" 0.000" 43.88 " 127.0 "1465 " 420.3 " 402.0 " 83.17 " 33.51 " 7
8 0.012" 0.000" 0.000" 0.000" 15.96 " 42.99 " 117.2 "1876 " 422.6 " 377.3 " 80.48 " 29.57 " 8
9 0.008" 0.000" 0.000" 0.000" 6.115" 61.09 " 137.5 "1292 " 417.1 " 357.0 " 74.35 " 26.42 " 9
10 0.005" 0.000" 0.000" 0.000" 5.304" 80.78 " 292.2 " 979.9 " 371.9 " 324.7 " 67.96 " 23.40 " 10
11 0.003" 0.000" 0.000" 0.000" 8.366" 74.95 " 251.4 " 881.7 " 420.4 " 301.7 " 61.69 " 20.34 " 11
12 0.002" 0.000" 0.000" 0.000" 5.121" 58.74 " 177.2 " 807.6 " 671.6 " 286.4 " 56.71 " 17.58 " 12
13 0.001" 0.000" 0.000" 0.000" 3.187" 47.92 " 159.7 " 745.4 " 807.3 " 265.9 " 52.74 " 15.75 " 13
14 0.000" 0.000" 0.000" 0.000" 2.278" 46.26 " 733.6 " 686.4 "1181 " 244.0 " 49.90 " 15.45 " 14
15 0.001" 0.000" 0.000" 0.000" 1.755" 42.64 "1332 " 666.5 "2012 " 227.1 " 47.40 " 12.96 " 15
16 0.002" 0.000" 0.000" 0.000" 4.633" 42.55 "1065 " 847.8 "1624 " 222.3 " 43.84 " 9.655" 16
17 0.001" 0.000" 0.000" 0.000" 41.03 " 47.85 "1003 " 914.0 "1744 " 213.7 " 41.05 " 8.644" 17
18 0.001" 0.000" 0.000" 0.000" 26.83 " 54.86 " 797.9 " 775.8 "1427 " 202.3 " 38.40 " 7.439" 18
19 0.000" 0.000" 0.000" 0.000" 16.16 " 51.67 " 534.0 " 663.6 "1202 " 214.7 " 35.48 " 6.016" 19
20 0.000" 0.000" 0.000" 0.000" 44.68 " 44.79 " 410.5 " 585.6 "1073 " 299.9 " 32.56 " 5.121" 20
21 0.000" 0.000" 0.000" 0.000" 36.91 " 42.08 " 324.8 " 532.3 "1110 " 290.5 " 30.05 " 4.526" 21
22 0.000" 0.000" 0.000" 0.000" 31.49 " 45.61 " 269.5 " 489.1 "1074 " 237.5 " 32.53 " 3.845" 22
23 0.000" 0.000" 0.000" 0.000" 27.53 " 405.2 " 273.7 " 455.6 "1574 " 210.1 " 38.90 " 3.306" 23
24 0.000" 0.000" 0.000" 0.000" 23.80 " 855.2 " 558.1 " 417.5 "1532 " 184.4 " 55.62 " 2.743" 24
25 0.000" 0.000" 0.000" 0.000" 20.89 " 883.4 " 573.1 " 426.3 "1262 " 166.1 " 45.32 " 2.679" 25
26 0.000" 0.000" 0.000" 0.000" 18.68 " 451.8 " 562.8 " 659.3 "1038 " 154.4 " 38.73 " 2.318" 26
27 0.000" 0.000" 0.000" 0.000" 17.09 " 279.0 " 819.7 " 749.4 " 890.5 " 145.7 " 35.44 " 1.831" 27
28 0.000" 0.000" 0.000" 0.000" 21.95 " 224.6 " 788.7 " 740.1 " 774.0 " 137.2 " 32.45 " 1.477" 28
29 0.000" 0.000" 0.000" 23.55 " 212.6 " 637.9 " 692.4 " 692.2 " 131.0 " 43.57 " 1.348" 29
30 0.000" 0.000" 0.000" 59.92 " 262.5 " 569.7 " 614.7 " 682.4 " 126.4 " 59.95 " 0.953" 30
31 0.000" 0.000" 90.50 " 507.6 " 646.1 " 120.8 " 0.816" 31
Mean 0.013" 0.000" 0.000" 0.000" 17.86 " 157.8 " 455.0 " 714.5 " 927.5 " 286.1 " 59.16 " 18.14 "
Median 0.001" 0.000" 0.000" 0.000" 15.96 " 53.26 " 324.8 " 663.6 " 790.7 " 244.0 " 51.32 " 9.655"
Maximum 0.160" 0.000" 0.000" 0.000" 90.50 " 883.4 "1332 "1876 "2012 " 632.7 " 115.1 " 69.79 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 40.86 " 117.2 " 339.9 " 371.9 " 120.8 " 30.05 " 0.816"
Total 0.40" 0.00" 0.00" 0.00" 553.7 " 4733 "14106 "22149 "27824 " 8868 " 1775 " 562.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 220.7 " " ... Relative Uncertainty +/-10%
Ann. Median 40.86 "
Annual Total 80571 "
Maximum Minimum
Daily 2012 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2014
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.722" 0.000" 0.000" 0.000" 0.000" 1.644" 150.1 " 390.6 " 814.0 " 387.8 " 81.27 " 43.66 " 1
2 0.436" 0.000" 0.000" 0.000" 0.000" 2.557" 349.2 " 341.4 " 691.7 " 332.5 " 78.35 " 39.41 " 2
3 0.249" 0.000" 0.000" 0.000" 0.000" 3.386" 432.5 " 300.9 " 628.2 " 289.6 " 82.00 " 35.96 " 3
4 0.150" 0.000" 0.000" 0.000" 0.000" 2.909" 258.5 " 261.4 " 552.2 " 265.5 " 80.58 " 32.82 " 4
5 0.095" 0.000" 0.000" 0.000" 0.000" 2.290" 206.2 " 234.1 " 477.9 " 308.3 " 73.81 " 29.69 " 5
6 0.061" 0.000" 0.000" 0.000" 0.000" 1.926" 473.2 " 213.9 " 451.6 " 398.6 " 71.04 " 27.12 " 6
7 0.041" 0.000" 0.000" 0.000" 0.000" 5.017" 965.3 " 210.9 " 503.2 " 356.3 " 74.80 " 24.63 " 7
8 0.035" 0.000" 0.000" 0.000" 0.000" 6.367"1001 " 211.8 " 614.0 " 310.8 " 74.19 " 22.35 " 8
9 0.030" 0.000" 0.000" 0.000" 0.000" 8.220" 787.0 " 190.4 " 775.0 " 285.3 " 67.13 " 19.85 " 9
10 0.026" 0.000" 0.000" 0.000" 0.000" 26.48 " 517.3 " 174.5 " 718.6 " 252.6 " 61.96 " 17.64 " 10
11 0.022" 0.000" 0.000" 0.000" 0.000" 38.47 " 530.8 " 165.1 " 614.3 " 227.3 " 59.42 " 15.48 " 11
12 0.019" 0.000" 0.000" 0.000" 0.000" 41.78 " 480.1 " 155.7 " 560.0 " 210.1 " 63.65 " 14.14 " 12
13 0.016" 0.000" 0.000" 0.000" 0.000" 34.75 " 396.8 " 144.8 " 501.3 " 193.3 " 66.29 " 12.37 " 13
14 0.013" 0.000" 0.000" 0.000" 0.000" 27.17 " 446.7 " 138.2 " 457.8 " 175.1 " 63.21 " 10.84 " 14
15 0.011" 0.000" 0.000" 0.000" 0.000" 23.35 " 523.3 " 140.2 " 414.2 " 161.3 " 57.12 " 9.866" 15
16 0.009" 0.000" 0.000" 0.000" 0.000" 21.74 " 445.6 " 137.4 " 366.7 " 152.6 " 52.29 " 9.101" 16
17 0.006" 0.000" 0.000" 0.000" 0.000" 261.8 " 378.9 " 136.4 " 322.4 " 143.5 " 48.57 " 7.990" 17
18 0.005" 0.000" 0.000" 0.000" 0.000" 510.8 " 319.9 " 236.2 " 289.2 " 136.2 " 45.73 " 7.126" 18
19 0.003" 0.000" 0.000" 0.000" 0.152" 333.4 " 306.1 " 380.9 " 263.5 " 131.1 " 44.01 " 6.389" 19
20 0.002" 0.000" 0.000" 0.000" 1.996" 209.0 " 341.2 " 288.7 " 242.9 " 128.2 " 42.81 " 5.830" 20
21 0.001" 0.000" 0.000" 0.000" 3.138" 261.4 " 322.6 " 470.4 " 326.9 " 126.6 " 42.45 " 4.946" 21
22 0.001" 0.000" 0.000" 0.000" 1.345" 458.5 " 516.8 " 853.9 " 499.7 " 123.2 " 41.92 " 3.981" 22
23 0.000" 0.000" 0.000" 0.000" 4.318" 314.8 " 621.8 " 621.6 " 425.2 " 120.7 " 40.37 " 3.490" 23
24 0.000" 0.000" 0.000" 0.000" 2.626" 175.3 " 495.0 " 498.5 " 385.8 " 118.3 " 37.44 " 3.034" 24
25 0.000" 0.000" 0.000" 0.000" 2.167" 138.2 " 461.2 " 496.4 " 391.7 " 114.5 " 34.56 " 2.492" 25
26 0.000" 0.000" 0.000" 0.000" 1.108" 127.8 " 626.3 " 682.4 " 377.9 " 110.2 " 32.95 " 2.106" 26
27 0.000" 0.000" 0.000" 0.000" 0.822" 126.2 " 819.7 " 715.4 " 447.2 " 105.5 " 47.57 " 1.752" 27
28 0.000" 0.000" 0.000" 0.000" 0.935" 115.3 " 678.3 " 577.9 " 496.1 " 99.62 " 64.21 " 1.373" 28
29 0.000" 0.000" 0.000" 1.051" 98.85 " 547.6 " 980.7 " 456.6 " 93.81 " 63.50 " 1.300" 29
30 0.000" 0.000" 0.000" 1.080" 91.24 " 485.6 "1422 " 431.0 " 87.79 " 50.53 " 0.940" 30
31 0.000" 0.000" 0.673" 439.3 "1042 " 85.14 " 0.683" 31
Mean 0.063" 0.000" 0.000" 0.000" 0.691" 115.7 " 494.3 " 413.4 " 483.2 " 194.6 " 58.12 " 13.50 "
Median 0.009" 0.000" 0.000" 0.000" 0.000" 40.13 " 473.2 " 288.7 " 457.2 " 152.6 " 60.69 " 9.101"
Maximum 0.722" 0.000" 0.000" 0.000" 4.318" 510.8 "1001 "1422 " 814.0 " 398.6 " 82.00 " 43.66 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 1.644" 150.1 " 136.4 " 242.9 " 85.14 " 32.95 " 0.683"
Total 1.95" 0.00" 0.00" 0.00" 21.41" 3471 "15324 "12814 "14497 " 6031 " 1744 " 418.4 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 148.8 " " ... Relative Uncertainty +/-10%
Ann. Median 19.85 "
Annual Total 54322 "
Maximum Minimum
Daily 1422 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2015
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.580" 0.000" 0.000" 0.000" 2.389" 17.01 " 41.77 " 213.1 " 307.4 " 104.1 " 58.87 " 1.912" 1
2 0.380" 0.000" 0.000" 0.000" 0.831" 38.57 " 46.83 " 209.4 " 297.1 " 98.91 " 50.41 " 1.599" 2
3 0.250" 0.000" 0.000" 0.000" 0.463" 37.02 " 65.13 " 214.7 " 264.9 " 105.1 " 49.25 " 1.412" 3
4 0.163" 0.000" 0.000" 0.000" 0.500" 36.99 " 66.09 " 199.6 " 243.2 " 105.1 " 52.29 " 1.217" 4
5 0.096" 0.000" 0.000" 0.000" 0.481" 33.89 " 72.34 " 175.9 " 230.9 " 106.5 " 46.31 " 0.976" 5
6 0.047" 0.000" 0.000" 0.000" 0.331" 30.15 " 65.28 " 157.0 " 215.9 " 103.7 " 41.18 " 1.563" 6
7 0.037" 0.000" 0.000" 0.000" 0.220" 30.86 " 64.01 " 144.8 " 204.2 " 96.68 " 36.88 " 1.995" 7
8 0.029" 0.000" 0.000" 0.000" 0.171" 29.15 " 69.65 " 192.3 " 191.4 " 88.20 " 33.42 " 1.840" 8
9 0.025" 0.000" 0.000" 0.000" 0.146" 27.22 " 67.90 " 297.5 " 173.0 " 80.87 " 31.64 " 1.553" 9
10 0.022" 0.000" 0.000" 0.000" 0.111" 25.11 " 75.59 " 308.6 " 184.2 " 74.59 " 29.13 " 1.260" 10
11 0.017" 0.000" 0.000" 0.000" 0.112" 23.31 " 73.95 " 322.9 " 248.2 " 68.58 " 26.64 " 0.999" 11
12 0.013" 0.000" 0.000" 0.000" 0.168" 39.14 " 65.29 " 260.2 " 414.5 " 63.50 " 23.73 " 0.883" 12
13 0.010" 0.000" 0.000" 0.000" 0.209" 39.55 " 55.76 " 222.0 " 430.5 " 59.37 " 21.12 " 0.619" 13
14 0.008" 0.000" 0.000" 0.008" 0.149" 38.78 " 50.17 " 203.9 " 367.3 " 57.83 " 18.86 " 0.458" 14
15 0.006" 0.000" 0.000" 0.281" 0.098" 33.96 " 46.38 " 181.5 " 319.6 " 55.47 " 16.12 " 0.314" 15
16 0.004" 0.000" 0.000" 0.282" 56.36 " 29.67 " 43.86 " 162.0 " 278.0 " 51.87 " 14.17 " 0.195" 16
17 0.003" 0.000" 0.000" 0.141" 121.4 " 26.65 " 49.55 " 203.3 " 242.6 " 48.59 " 12.59 " 0.108" 17
18 0.002" 0.000" 0.000" 0.065" 65.15 " 26.20 " 61.44 " 481.5 " 214.6 " 52.39 " 11.15 " 0.062" 18
19 0.001" 0.000" 0.000" 0.042" 69.15 " 31.55 " 187.3 " 427.2 " 195.2 " 55.25 " 10.33 " 0.037" 19
20 0.001" 0.000" 0.000" 0.037" 44.49 " 61.35 " 641.6 " 548.0 " 179.5 " 52.08 " 9.127" 0.032" 20
21 0.000" 0.000" 0.000" 0.033" 34.41 " 119.9 " 491.2 " 575.6 " 164.4 " 48.49 " 7.975" 0.027" 21
22 0.000" 0.000" 0.000" 0.030" 28.16 " 155.9 " 329.9 " 620.5 " 153.6 " 45.01 " 7.480" 0.022" 22
23 0.000" 0.000" 0.000" 0.028" 25.46 " 139.3 " 402.6 " 543.0 " 144.2 " 43.45 " 6.208" 0.018" 23
24 0.000" 0.000" 0.000" 0.025" 23.76 " 100.6 " 332.4 " 424.2 " 135.1 " 43.34 " 5.423" 0.014" 24
25 0.000" 0.000" 0.000" 0.023" 25.81 " 76.46 " 223.4 " 351.9 " 129.5 " 42.92 " 4.530" 0.010" 25
26 0.000" 0.000" 0.000" 0.020" 32.56 " 67.19 " 178.2 " 295.1 " 125.7 " 41.27 " 3.902" 0.007" 26
27 0.000" 0.000" 0.000" 0.019" 32.35 " 57.70 " 155.6 " 251.5 " 122.4 " 39.29 " 3.517" 0.005" 27
28 0.000" 0.000" 0.000" 0.017" 26.77 " 51.30 " 142.9 " 220.6 " 117.4 " 36.80 " 3.085" 0.004" 28
29 0.000" 0.000" 0.025" 23.35 " 46.40 " 136.3 " 215.7 " 112.7 " 34.43 " 2.751" 0.002" 29
30 0.000" 0.000" 2.582" 20.41 " 43.44 " 131.7 " 215.5 " 108.1 " 41.51 " 2.306" 0.001" 30
31 0.000" 0.000" 18.36 " 159.3 " 233.0 " 52.20 " 0.001" 31
Mean 0.055" 0.000" 0.000" 0.122" 21.11 " 50.47 " 148.2 " 292.6 " 217.2 " 64.43 " 21.35 " 0.618"
Median 0.004" 0.000" 0.000" 0.018" 18.36 " 37.79 " 72.34 " 222.0 " 199.7 " 55.25 " 15.15 " 0.195"
Maximum 0.580" 0.000" 0.000" 2.582" 121.4 " 155.9 " 641.6 " 620.5 " 430.5 " 106.5 " 58.87 " 1.995"
Minimum 0.000" 0.000" 0.000" 0.000" 0.098" 17.01 " 41.77 " 144.8 " 108.1 " 34.43 " 2.306" 0.001"
Total 1.694" 0.000" 0.000" 3.656" 654.3 "1514 "4593 "9072 "6515 "1997 " 640.4 " 19.14 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 68.52 " " ... Relative Uncertainty +/-10%
Ann. Median 17.01 "
Annual Total 25012 "
Maximum Minimum
Daily 641.6 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2016
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.000" 0.028" 0.000" 0.000" 0.000" 29.03 " 151.1 " 487.1 "1003 " 492.2 " 164.5 " 43.72 " 1
2 0.000" 0.024" 0.000" 0.000" 0.000" 25.44 " 129.4 " 440.3 " 883.4 " 488.7 " 157.5 " 41.54 " 2
3 0.000" 0.019" 0.000" 0.000" 0.000" 23.64 " 122.5 " 412.1 " 800.9 " 476.3 " 150.6 " 41.28 " 3
4 0.000" 0.015" 0.000" 0.000" 0.000" 35.96 " 119.7 " 585.8 " 718.1 " 458.8 " 145.5 " 40.80 " 4
5 0.000" 0.011" 0.000" 0.000" 0.000" 30.13 " 109.5 " 573.0 " 634.9 " 443.0 " 140.9 " 40.19 " 5
6 0.000" 0.008" 0.000" 0.000" 0.000" 38.50 " 97.26 " 563.1 " 573.4 " 425.8 " 135.1 " 39.45 " 6
7 0.000" 0.005" 0.000" 0.000" 0.000" 90.66 " 89.86 " 876.8 " 597.6 " 436.5 " 131.3 " 38.49 " 7
8 0.000" 0.003" 0.000" 0.000" 0.000" 75.89 " 120.3 "1165 " 692.5 " 580.8 " 128.1 " 37.26 " 8
9 0.000" 0.002" 0.000" 0.000" 0.000" 73.51 " 184.7 "1133 " 651.9 " 641.2 " 125.4 " 36.08 " 9
10 0.000" 0.001" 0.000" 0.000" 0.000" 158.9 " 342.1 " 929.5 " 599.4 " 573.5 " 125.9 " 34.20 " 10
11 0.000" 0.000" 0.000" 0.000" 0.000" 133.1 " 355.8 " 828.1 " 576.8 " 519.8 " 129.8 " 33.06 " 11
12 0.000" 0.000" 0.000" 0.000" 0.000" 148.0 " 222.4 " 839.4 " 526.8 " 484.4 " 130.6 " 47.46 " 12
13 0.000" 0.000" 0.000" 0.000" 0.000" 288.7 " 167.4 " 761.6 " 479.5 " 443.8 " 128.2 " 43.49 " 13
14 0.000" 0.000" 0.000" 0.000" 0.000" 229.3 " 149.1 " 656.0 " 441.2 " 407.5 " 125.1 " 44.60 " 14
15 0.000" 0.000" 0.000" 0.000" 0.000" 147.1 " 253.6 " 598.6 " 424.3 " 385.8 " 117.3 " 41.88 " 15
16 0.000" 0.000" 0.000" 0.000" 0.000" 122.4 "1135 " 566.7 " 441.1 " 372.8 " 109.2 " 40.28 " 16
17 0.000" 0.000" 0.000" 0.000" 0.000" 102.8 "1934 " 656.2 " 420.9 " 357.8 " 102.4 " 37.17 " 17
18 0.000" 0.000" 0.000" 0.000" 0.000" 86.29 "1740 " 861.1 " 408.0 " 339.2 " 95.86 " 34.42 " 18
19 3.133" 0.000" 0.000" 0.000" 0.000" 97.68 "1420 " 833.0 " 530.2 " 318.4 " 89.30 " 31.55 " 19
20 13.78 " 0.000" 0.000" 0.000" 0.000" 125.8 "1220 " 832.5 " 525.1 " 308.4 " 84.14 " 28.77 " 20
21 5.334" 0.000" 0.000" 0.000" 3.178" 132.8 "1537 " 850.8 " 464.3 " 293.9 " 79.30 " 26.89 " 21
22 2.301" 0.000" 0.000" 0.000" 4.278" 122.2 "1487 " 792.5 " 488.3 " 267.3 " 74.73 " 24.75 " 22
23 1.189" 0.000" 0.000" 0.000" 5.658" 111.4 "1096 " 711.4 " 516.6 " 245.8 " 71.06 " 22.91 " 23
24 0.836" 0.000" 0.000" 0.000" 60.59 " 99.09 " 897.0 " 646.7 " 509.6 " 235.2 " 66.47 " 21.38 " 24
25 0.518" 0.000" 0.000" 0.000" 19.75 " 117.3 " 771.4 " 594.7 " 533.1 " 214.1 " 62.25 " 19.15 " 25
26 0.242" 0.000" 0.000" 0.000" 16.58 " 113.6 " 666.6 " 550.7 " 517.9 " 204.6 " 59.03 " 17.08 " 26
27 0.117" 0.000" 0.000" 0.000" 23.64 " 124.2 " 577.4 " 715.9 " 497.2 " 193.0 " 54.76 " 20.66 " 27
28 0.049" 0.000" 0.000" 0.000" 53.28 " 224.4 " 509.3 " 886.0 " 540.3 " 182.0 " 50.80 " 17.56 " 28
29 0.036" 0.000" 0.000" 0.000" 50.52 " 305.0 " 469.8 " 846.4 " 551.0 " 177.2 " 47.97 " 16.31 " 29
30 0.033" 0.000" 0.000" 44.09 " 211.9 " 465.2 " 901.1 " 494.6 " 175.7 " 45.18 " 15.16 " 30
31 0.032" 0.000" 34.71 " 483.7 "1023 " 169.5 " 14.18 " 31
Mean 0.890" 0.004" 0.000" 0.000" 10.20 " 120.8 " 613.7 " 745.7 " 568.0 " 364.9 " 104.3 " 31.99 "
Median 0.000" 0.000" 0.000" 0.000" 0.000" 115.4 " 465.2 " 761.6 " 528.5 " 372.8 " 113.2 " 34.42 "
Maximum 13.78 " 0.028" 0.000" 0.000" 60.59 " 305.0 "1934 "1165 "1003 " 641.2 " 164.5 " 47.46 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 23.64 " 89.86 " 412.1 " 408.0 " 169.5 " 45.18 " 14.18 "
Total 27.60" 0.12" 0.00" 0.00" 316.3 " 3625 "19024 "23118 "17041 "11313 " 3128 " 991.7 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 214.7 " " ... Relative Uncertainty +/-10%
Ann. Median 43.90 "
Annual Total 78585 "
Maximum Minimum
Daily 1934 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2017
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 12.55 " 0.004" 0.000" 0.019" 0.000" 1.641" 31.62 " 582.2 " 323.1 " 267.1 " 78.57 " 9.687" 1
2 12.42 " 0.002" 0.000" 0.016" 0.000" 1.513" 31.12 " 471.3 " 334.5 " 239.5 " 71.92 " 8.649" 2
3 11.77 " 0.002" 0.000" 0.014" 0.000" 2.004" 32.49 " 383.6 " 294.6 " 213.0 " 66.31 " 7.869" 3
4 10.48 " 0.001" 0.000" 0.012" 0.001" 2.187" 36.25 " 353.6 " 259.9 " 187.0 " 62.19 " 19.20 " 4
5 8.982" 0.001" 0.000" 0.010" 0.004" 1.733" 43.35 " 286.5 " 238.3 " 167.1 " 57.25 " 20.29 " 5
6 8.775" 0.000" 0.000" 0.010" 0.006" 1.443" 42.26 " 240.0 " 217.5 " 157.9 " 52.58 " 17.06 " 6
7 8.169" 0.000" 0.000" 0.009" 0.009" 1.216" 70.40 " 286.6 " 201.0 " 164.3 " 47.91 " 12.72 " 7
8 7.064" 0.000" 0.000" 0.008" 0.010" 1.027" 59.97 " 943.0 " 189.9 " 165.0 " 46.70 " 10.08 " 8
9 6.208" 0.000" 0.000" 0.007" 0.018" 0.847" 51.72 "1429 " 188.8 " 158.1 " 41.13 " 8.670" 9
10 5.800" 0.000" 0.000" 0.006" 1.084" 0.716" 176.9 "1199 " 182.2 " 159.8 " 37.12 " 7.437" 10
11 4.893" 0.000" 0.000" 0.005" 0.682" 0.698" 262.4 " 856.3 " 183.1 " 159.6 " 34.38 " 6.168" 11
12 4.089" 0.000" 0.000" 0.005" 0.357" 0.723" 205.7 " 889.6 " 181.2 " 148.0 " 31.50 " 4.941" 12
13 3.199" 0.000" 0.000" 0.005" 0.282" 2.976" 148.4 "1044 " 165.0 " 137.7 " 29.24 " 4.536" 13
14 3.087" 0.000" 0.000" 0.004" 0.947" 16.86 " 123.1 "1184 " 154.2 " 130.0 " 27.07 " 4.282" 14
15 3.026" 0.000" 0.000" 0.004" 5.708" 9.917" 120.8 "1202 " 147.7 " 125.3 " 24.88 " 3.801" 15
16 2.337" 0.000" 0.000" 0.004" 6.340" 5.883" 134.3 "1059 " 143.2 " 138.1 " 23.57 " 3.389" 16
17 1.828" 0.000" 0.000" 0.003" 3.173" 6.121" 120.6 " 877.6 " 136.4 " 162.7 " 22.06 " 3.914" 17
18 1.389" 0.000" 0.000" 0.003" 2.945" 8.145" 105.8 " 843.6 " 132.3 " 178.6 " 21.03 " 30.89 " 18
19 1.061" 0.000" 0.000" 0.002" 6.130" 7.936" 179.8 " 987.3 " 131.2 " 166.0 " 22.06 " 36.91 " 19
20 0.783" 0.000" 0.000" 0.002" 4.502" 8.967" 306.5 " 891.6 " 131.5 " 143.6 " 22.02 " 39.79 " 20
21 0.449" 0.000" 0.000" 0.002" 30.98 " 19.13 " 255.2 " 724.0 " 160.3 " 130.8 " 21.22 " 31.52 " 21
22 0.204" 0.000" 0.000" 0.002" 10.52 " 36.41 " 210.8 " 641.7 " 219.5 " 138.8 " 18.70 " 23.34 " 22
23 0.111" 0.000" 0.003" 0.001" 5.392" 25.44 " 205.2 " 594.0 " 296.9 " 118.1 " 17.28 " 18.97 " 23
24 0.059" 0.000" 0.036" 0.001" 7.997" 27.95 " 186.1 " 520.9 " 300.5 " 111.9 " 17.16 " 15.36 " 24
25 0.040" 0.000" 0.062" 0.001" 5.735" 24.13 " 170.7 " 465.3 " 392.3 " 104.4 " 16.10 " 12.02 " 25
26 0.032" 0.000" 0.052" 0.001" 12.40 " 19.56 " 346.4 " 417.7 " 532.1 " 110.5 " 14.16 " 9.301" 26
27 0.025" 0.000" 0.035" 0.000" 6.632" 18.80 " 547.7 " 374.7 " 510.9 " 115.1 " 12.99 " 7.350" 27
28 0.018" 0.000" 0.032" 0.000" 4.024" 18.50 " 566.8 " 341.8 " 449.7 " 111.0 " 11.99 " 5.985" 28
29 0.013" 0.028" 0.000" 2.961" 17.52 " 525.6 " 304.6 " 399.3 " 102.7 " 11.30 " 4.943" 29
30 0.008" 0.024" 0.000" 2.322" 26.89 " 479.5 " 277.3 " 318.2 " 93.47 " 10.42 " 3.959" 30
31 0.006" 0.021" 1.881" 479.0 " 285.0 " 85.77 " 3.158" 31
Mean 3.835" 0.000" 0.009" 0.005" 3.969" 10.56 " 201.8 " 676.0 " 250.5 " 148.1 " 32.36 " 12.78 "
Median 2.337" 0.000" 0.000" 0.004" 2.322" 7.028" 170.7 " 594.0 " 209.3 " 143.6 " 24.23 " 8.670"
Maximum 12.55 " 0.004" 0.062" 0.019" 30.98 " 36.41 " 566.8 "1429 " 532.1 " 267.1 " 78.57 " 39.79 "
Minimum 0.006" 0.000" 0.000" 0.000" 0.000" 0.698" 31.12 " 240.0 " 131.2 " 85.77 " 10.42 " 3.158"
Total 118.9 " 0.01" 0.29" 0.16" 123.0 " 316.9 " 6257 "20957 " 7515 " 4591 " 970.8 " 396.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 113.0 " " ... Relative Uncertainty +/-10%
Ann. Median 10.42 "
Annual Total 41246 "
Maximum Minimum
Daily 1429 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2018
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 2.399" 0.001" 0.000" 0.000" 0.000" 18.01 " 151.7 " 517.2 "1073 " 167.0 " 97.13 " 32.80 " 1
2 1.817" 0.000" 0.000" 0.000" 0.000" 45.52 " 667.9 " 609.0 " 916.4 " 165.0 " 92.54 " 30.95 " 2
3 1.416" 0.000" 0.000" 0.000" 0.000" 33.88 " 775.8 " 668.3 " 801.5 " 164.0 " 87.60 " 28.81 " 3
4 1.163" 0.000" 0.000" 0.000" 0.000" 27.10 " 618.4 " 878.6 " 714.2 " 166.7 " 84.54 " 26.51 " 4
5 0.810" 0.000" 0.000" 0.000" 0.000" 210.7 " 642.4 "1032 " 653.7 " 182.0 " 84.89 " 27.58 " 5
6 0.503" 0.000" 0.000" 0.000" 0.000" 284.9 " 569.6 " 848.3 " 608.0 " 204.1 " 87.68 " 51.53 " 6
7 0.379" 0.000" 0.000" 0.000" 0.000" 167.3 " 420.9 " 700.3 " 604.2 " 179.4 " 83.69 " 52.17 " 7
8 0.219" 0.000" 0.000" 0.000" 0.000" 107.0 " 338.7 " 624.7 " 594.9 " 164.4 " 80.48 " 51.19 " 8
9 0.104" 0.000" 0.000" 0.000" 0.000" 145.6 " 277.2 " 776.1 " 568.2 " 156.9 " 72.82 " 40.15 " 9
10 0.062" 0.000" 0.000" 0.000" 0.000" 290.8 " 229.5 "1153 " 526.9 " 149.4 " 67.29 " 34.86 " 10
11 0.045" 0.000" 0.000" 0.000" 0.000" 279.4 " 194.4 " 999.7 " 491.9 " 143.2 " 62.64 " 31.55 " 11
12 0.034" 0.000" 0.000" 0.000" 0.000" 174.6 " 173.8 " 864.5 " 454.5 " 139.0 " 61.56 " 29.69 " 12
13 0.030" 0.000" 0.000" 0.000" 0.000" 140.1 " 187.6 " 773.6 " 433.0 " 171.9 " 60.08 " 26.09 " 13
14 0.025" 0.000" 0.000" 0.000" 0.000" 117.9 " 235.0 " 806.2 " 418.6 " 392.5 " 55.66 " 22.62 " 14
15 0.022" 0.000" 0.000" 0.000" 0.000" 101.6 " 440.5 " 799.6 " 384.3 " 408.8 " 51.58 " 19.27 " 15
16 0.026" 0.000" 0.000" 0.000" 0.000" 88.00 " 404.1 " 669.0 " 356.0 " 305.8 " 48.26 " 21.58 " 16
17 0.604" 0.000" 0.000" 0.000" 0.000" 83.26 " 359.7 " 626.2 " 336.4 " 262.1 " 45.67 " 23.19 " 17
18 0.582" 0.000" 0.000" 0.000" 0.000" 238.4 " 295.5 " 583.5 " 321.1 " 228.8 " 44.33 " 21.56 " 18
19 0.243" 0.000" 0.000" 0.000" 0.000" 280.7 " 282.8 " 517.2 " 304.4 " 202.4 " 43.25 " 17.67 " 19
20 0.130" 0.000" 0.000" 0.000" 0.000" 344.0 " 240.4 " 473.7 " 287.4 " 179.3 " 42.75 " 15.09 " 20
21 0.078" 0.000" 0.000" 0.000" 0.000" 258.1 " 507.8 " 468.5 " 268.6 " 170.1 " 41.96 " 13.03 " 21
22 0.039" 0.000" 0.000" 0.000" 0.000" 200.4 " 751.8 " 490.7 " 252.9 " 164.1 " 39.25 " 11.20 " 22
23 0.030" 0.000" 0.000" 0.000" 0.000" 153.4 " 739.7 " 456.9 " 234.3 " 151.8 " 37.89 " 9.297" 23
24 0.023" 0.000" 0.000" 0.000" 0.000" 131.5 " 612.9 " 425.1 " 222.5 " 165.8 " 36.84 " 8.043" 24
25 0.017" 0.000" 0.000" 0.000" 24.84 " 119.7 " 595.4 " 403.2 " 209.6 " 172.9 " 46.86 " 7.269" 25
26 0.013" 0.000" 0.000" 0.000" 41.93 " 118.0 " 954.6 " 380.2 " 200.3 " 147.2 " 47.43 " 6.339" 26
27 0.010" 0.000" 0.000" 0.000" 16.89 " 192.7 " 845.1 " 383.2 " 187.9 " 132.9 " 45.24 " 5.647" 27
28 0.007" 0.000" 0.000" 0.000" 8.644" 210.6 " 676.4 " 598.7 " 176.9 " 124.7 " 42.33 " 5.427" 28
29 0.004" 0.000" 0.000" 8.365" 154.4 " 617.3 "1656 " 170.2 " 120.5 " 38.11 " 4.720" 29
30 0.002" 0.000" 0.000" 22.03 " 147.0 " 584.2 "2215 " 170.1 " 110.2 " 34.76 " 4.024" 30
31 0.001" 0.000" 16.31 " 530.7 "1403 " 101.7 " 3.489" 31
Mean 0.350" 0.000" 0.000" 0.000" 4.484" 162.2 " 481.4 " 767.8 " 431.4 " 183.7 " 58.84 " 22.04 "
Median 0.045" 0.000" 0.000" 0.000" 0.000" 150.2 " 507.8 " 668.3 " 370.2 " 165.8 " 49.92 " 21.58 "
Maximum 2.399" 0.001" 0.000" 0.000" 41.93 " 344.0 " 954.6 "2215 "1073 " 408.8 " 97.13 " 52.17 "
Minimum 0.001" 0.000" 0.000" 0.000" 0.000" 18.01 " 151.7 " 380.2 " 170.1 " 101.7 " 34.76 " 3.489"
Total 10.84" 0.00" 0.00" 0.00" 139.0 " 4865 "14922 "23800 "12942 " 5695 " 1765 " 683.3 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 177.6 " " ... Relative Uncertainty +/-10%
Ann. Median 37.89 "
Annual Total 64822 "
Maximum Minimum
Daily 2215 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2019
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 3.099" 0.602" 0.000" 0.000" 0.024" 0.382" 269.0 " 121.3 " 819.3 " 118.4 " 112.7 " 4.615" 1
2 2.782" 0.357" 0.000" 0.000" 0.022" 0.349" 212.4 " 114.9 " 799.8 " 113.8 " 123.3 " 4.050" 2
3 2.592" 0.199" 0.000" 0.000" 0.020" 0.212" 161.6 " 113.3 " 823.2 " 114.0 " 116.4 " 3.785" 3
4 2.141" 0.105" 0.000" 0.000" 0.024" 0.236" 333.9 " 118.4 " 703.3 " 230.9 " 99.45 " 3.251" 4
5 1.905" 0.055" 0.000" 0.000" 0.123" 0.189" 608.7 " 221.7 " 548.1 " 301.8 " 84.26 " 2.647" 5
6 1.622" 0.037" 0.000" 0.000" 6.277" 16.30 " 610.4 " 360.3 " 445.1 " 214.0 " 70.49 " 2.134" 6
7 1.296" 0.030" 0.000" 0.000" 5.120" 157.7 " 492.9 " 245.9 " 376.1 " 166.2 " 58.88 " 2.297" 7
8 0.957" 0.023" 0.000" 0.000" 2.563" 46.66 " 483.1 " 190.0 " 318.3 " 150.2 " 50.30 " 2.454" 8
9 0.675" 0.018" 0.000" 0.000" 1.539" 70.97 " 458.8 " 173.8 " 277.3 " 134.1 " 43.82 " 1.662" 9
10 0.428" 0.014" 0.000" 0.000" 0.984" 126.1 " 359.9 " 158.3 " 241.1 " 124.9 " 39.60 " 1.295" 10
11 0.282" 0.011" 0.000" 0.000" 0.683" 196.3 " 296.0 " 143.7 " 216.9 " 117.4 " 35.68 " 0.980" 11
12 0.169" 0.009" 0.000" 0.000" 0.572" 237.2 " 241.5 " 133.2 " 202.9 " 109.2 " 31.17 " 0.706" 12
13 0.095" 0.006" 0.000" 0.000" 0.543" 179.6 " 204.0 " 128.3 " 195.2 " 102.8 " 27.75 " 0.564" 13
14 0.051" 0.005" 0.000" 0.000" 0.450" 144.9 " 178.6 " 176.3 " 187.5 " 103.0 " 25.11 " 0.326" 14
15 0.037" 0.004" 0.000" 0.000" 0.344" 125.3 " 161.1 " 326.5 " 173.4 " 101.1 " 22.53 " 0.219" 15
16 0.031" 0.003" 0.000" 0.000" 3.625" 111.4 " 149.2 " 273.0 " 159.7 " 89.12 " 24.93 " 0.130" 16
17 0.026" 0.002" 0.000" 0.000" 5.208" 101.0 " 141.4 " 451.4 " 153.5 " 81.55 " 41.50 " 0.064" 17
18 0.022" 0.001" 0.000" 0.000" 2.869" 86.77 " 142.8 " 378.2 " 148.3 " 76.75 " 40.14 " 0.036" 18
19 0.016" 0.001" 0.000" 0.065" 1.778" 74.14 " 155.3 " 259.5 " 170.7 " 71.47 " 39.47 " 0.030" 19
20 0.011" 0.001" 0.000" 1.352" 1.631" 63.15 " 308.6 " 226.9 " 182.9 " 68.25 " 38.74 " 0.024" 20
21 0.008" 0.000" 0.000" 0.861" 1.301" 56.14 " 306.3 " 194.5 " 160.6 " 62.94 " 37.14 " 0.018" 21
22 0.021" 0.000" 0.000" 0.333" 1.586" 85.26 " 231.5 " 180.7 " 148.7 " 58.63 " 36.20 " 0.012" 22
23 38.37 " 0.000" 0.000" 0.147" 1.494" 339.9 " 215.5 " 290.0 " 140.3 " 55.26 " 31.15 " 0.007" 23
24 22.43 " 0.000" 0.000" 0.069" 1.318" 373.6 " 227.0 " 273.1 " 131.6 " 53.44 " 16.08 " 0.004" 24
25 10.48 " 0.000" 0.000" 0.043" 1.269" 211.0 " 240.2 " 201.8 " 128.4 " 51.44 " 15.75 " 0.002" 25
26 6.235" 0.000" 0.000" 0.038" 1.074" 178.7 " 200.4 " 176.8 " 126.4 " 49.00 " 13.44 " 0.001" 26
27 4.455" 0.000" 0.000" 0.034" 0.859" 225.8 " 174.8 " 159.9 " 125.5 " 45.59 " 12.06 " 0.000" 27
28 2.743" 0.000" 0.000" 0.030" 0.654" 299.8 " 158.4 " 147.4 " 120.1 " 42.32 " 10.18 " 0.000" 28
29 1.743" 0.000" 0.026" 0.512" 248.0 " 145.0 " 158.2 " 112.1 " 40.07 " 8.297" 0.000" 29
30 1.285" 0.000" 0.024" 0.454" 213.1 " 134.6 " 452.3 " 111.8 " 48.80 " 7.027" 0.000" 30
31 0.907" 0.000" 0.423" 127.8 " 768.2 " 77.67 " 0.000" 31
Mean 3.449" 0.053" 0.000" 0.101" 1.463" 132.3 " 262.3 " 236.1 " 281.6 " 102.4 " 43.79 " 1.010"
Median 0.957" 0.004" 0.000" 0.000" 0.984" 118.3 " 215.5 " 190.0 " 178.1 " 89.12 " 36.67 " 0.130"
Maximum 38.37 " 0.602" 0.000" 1.352" 6.277" 373.6 " 610.4 " 768.2 " 823.2 " 301.8 " 123.3 " 4.615"
Minimum 0.008" 0.000" 0.000" 0.000" 0.020" 0.189" 127.8 " 113.3 " 111.8 " 40.07 " 7.027" 0.000"
Total 106.9 " 1.484" 0.000" 3.022" 45.34 "3970 "8131 "7318 "8448 "3174 "1314 " 31.31 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 89.16 " " ... Relative Uncertainty +/-10%
Ann. Median 6.235"
Annual Total 32542 "
Maximum Minimum
Daily 823.2 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2020
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.000" 0.000" 0.000" 0.000" 0.000" 48.82 " 145.9 " 251.4 " 281.2 " 161.0 " 67.54 " 28.86 " 1
2 0.000" 0.000" 0.000" 0.000" 0.000" 38.29 " 117.8 " 269.2 " 445.7 " 165.9 " 84.99 " 27.03 " 2
3 0.000" 0.000" 0.000" 0.000" 0.000" 32.58 " 95.97 " 448.8 " 416.6 " 180.4 " 118.9 " 25.34 " 3
4 0.000" 0.000" 0.000" 0.000" 0.000" 28.38 " 79.92 " 479.9 " 299.6 " 166.7 " 102.4 " 23.07 " 4
5 0.000" 0.000" 0.000" 0.000" 0.000" 25.09 " 121.5 " 401.6 " 265.7 " 141.4 " 76.98 " 20.58 " 5
6 0.000" 0.000" 0.000" 0.000" 2.539" 22.77 " 421.8 " 290.4 " 435.9 " 130.1 " 66.66 " 18.72 " 6
7 0.000" 0.000" 0.000" 0.000" 2.289" 30.12 " 531.9 " 224.7 " 782.5 " 150.0 " 57.03 " 17.27 " 7
8 0.000" 0.000" 0.000" 0.000" 17.56 " 24.85 " 421.2 " 190.8 " 672.2 " 256.6 " 49.38 " 15.74 " 8
9 0.000" 0.000" 0.000" 0.000" 6.282" 22.06 " 259.5 " 219.1 " 460.2 " 227.0 " 66.56 " 13.89 " 9
10 0.000" 0.000" 0.000" 0.000" 2.719" 21.09 " 184.5 " 471.1 " 536.0 " 172.9 " 126.1 " 12.21 " 10
11 0.000" 0.000" 0.000" 0.000" 1.590" 35.50 " 151.0 " 547.5 " 505.2 " 163.7 " 114.4 " 10.57 " 11
12 0.000" 0.000" 0.000" 0.000" 1.050" 57.56 " 136.5 " 485.8 " 398.4 " 149.5 " 97.66 " 10.16 " 12
13 0.000" 0.000" 0.000" 0.000" 0.707" 75.62 " 197.5 " 352.3 " 328.3 " 134.6 " 109.5 " 10.94 " 13
14 0.000" 0.000" 0.000" 0.000" 0.477" 63.00 " 481.0 " 268.9 " 278.8 " 126.4 " 110.0 " 11.50 " 14
15 0.000" 0.000" 0.000" 0.000" 0.378" 49.73 " 471.7 " 299.5 " 245.9 " 119.6 " 105.3 " 8.874" 15
16 0.000" 0.000" 0.000" 0.000" 0.437" 41.91 " 407.3 " 840.0 " 216.9 " 111.3 " 93.45 " 7.424" 16
17 0.000" 0.000" 0.000" 0.000" 0.389" 48.30 " 477.8 " 898.7 " 190.8 " 105.1 " 80.99 " 6.503" 17
18 0.000" 0.000" 0.000" 0.000" 0.306" 65.21 " 453.8 " 617.8 " 175.8 " 95.66 " 76.93 " 5.486" 18
19 0.000" 0.000" 0.000" 0.000" 0.293" 73.52 " 317.9 " 460.7 " 179.8 " 87.26 " 78.23 " 4.505" 19
20 0.000" 0.000" 0.000" 0.000" 0.342" 63.27 " 223.5 " 379.9 " 202.6 " 80.56 " 69.89 " 3.793" 20
21 0.000" 0.000" 0.000" 0.000" 0.312" 49.96 " 185.6 " 350.6 " 203.0 " 75.77 " 61.60 " 3.169" 21
22 0.000" 0.000" 0.000" 0.000" 0.255" 49.80 " 227.6 " 288.5 " 195.1 " 72.38 " 52.73 " 2.689" 22
23 0.000" 0.000" 0.000" 0.000" 0.151" 67.40 " 576.1 " 258.4 " 185.3 " 70.19 " 45.85 " 2.249" 23
24 0.000" 0.000" 0.000" 0.000" 4.421" 63.26 " 437.4 " 235.4 " 160.9 " 64.11 " 40.35 " 1.919" 24
25 0.000" 0.000" 0.000" 0.000" 54.83 " 60.04 " 266.9 " 203.0 " 146.4 " 59.04 " 36.40 " 1.635" 25
26 0.000" 0.000" 0.000" 0.000" 17.48 " 70.85 " 321.7 " 186.7 " 138.2 " 53.98 " 35.96 " 1.242" 26
27 0.000" 0.000" 0.000" 0.000" 9.220" 83.07 " 342.2 " 173.7 " 140.1 " 50.55 " 31.66 " 0.774" 27
28 0.000" 0.000" 0.000" 0.000" 25.97 " 147.5 " 557.6 " 168.7 " 154.1 " 48.05 " 28.06 " 0.429" 28
29 0.000" 0.000" 0.000" 0.000" 64.42 " 235.4 " 496.0 " 173.4 " 175.2 " 44.54 " 26.44 " 0.233" 29
30 0.000" 0.000" 0.000" 57.75 " 186.1 " 315.8 " 163.1 " 165.2 " 41.59 " 31.91 " 0.122" 30
31 0.000" 0.000" 60.36 " 274.1 " 153.4 " 39.36 " 0.067" 31
Mean 0.000" 0.000" 0.000" 0.000" 10.73 " 62.70 " 312.9 " 346.9 " 299.4 " 114.4 " 71.46 " 9.581"
Median 0.000" 0.000" 0.000" 0.000" 0.707" 49.88 " 315.8 " 288.5 " 231.4 " 111.3 " 68.71 " 7.424"
Maximum 0.000" 0.000" 0.000" 0.000" 64.42 " 235.4 " 576.1 " 898.7 " 782.5 " 256.6 " 126.1 " 28.86 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 21.09 " 79.92 " 153.4 " 138.2 " 39.36 " 26.44 " 0.067"
Total 0.00" 0.00" 0.00" 0.00" 332.5 " 1881 " 9699 "10753 " 8982 " 3545 " 2144 " 297.0 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 102.8 " " ... Relative Uncertainty +/-10%
Ann. Median 26.74 "
Annual Total 37633 "
Maximum Minimum
Daily 898.7 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2021
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.038" 0.000" 0.008" 0.013" 12.91 " 133.4 " 378.4 " 788.9 " 399.4 " 391.0 " 169.1 " 36.60 " 1
2 0.028" 0.000" 0.006" 0.020" 31.19 " 118.5 " 305.7 " 985.4 " 413.3 " 740.7 " 157.8 " 33.11 " 2
3 0.020" 0.000" 0.006" 0.034" 39.31 " 106.9 " 373.3 " 803.9 " 445.2 " 549.9 " 150.1 " 29.73 " 3
4 0.012" 0.000" 6.971" 0.042" 12.36 " 82.57 " 452.7 " 635.7 " 411.7 " 478.8 " 142.6 " 27.09 " 4
5 0.008" 0.000" 5.874" 0.049" 7.752" 66.64 " 597.4 " 534.4 " 366.9 " 485.8 " 137.3 " 25.22 " 5
6 0.004" 0.000" 3.846" 0.046" 11.76 " 77.60 " 670.4 " 464.8 " 330.8 " 451.2 " 130.9 " 23.31 " 6
7 0.002" 0.008" 2.476" 0.044" 12.09 " 71.84 " 731.1 " 424.6 " 293.0 " 381.0 " 127.3 " 21.43 " 7
8 0.001" 10.69 " 1.552" 0.062" 9.748" 63.10 " 670.3 "1045 " 287.6 " 349.9 " 123.8 " 19.45 " 8
9 0.000" 9.115" 0.974" 0.052" 7.531" 59.16 " 615.3 "1644 " 465.9 " 319.4 " 117.2 " 16.92 " 9
10 0.000" 3.901" 0.603" 0.040" 6.289" 190.3 " 731.4 "1462 " 542.0 " 279.2 " 109.7 " 14.85 " 10
11 0.000" 1.927" 0.415" 10.17 " 6.054" 248.1 " 647.9 "1479 " 480.3 " 272.0 " 103.7 " 14.01 " 11
12 0.000" 1.086" 0.384" 37.46 " 11.85 " 167.4 " 674.2 "1230 " 446.7 " 308.4 " 97.65 " 13.24 " 12
13 0.000" 0.639" 0.296" 15.42 " 11.22 " 124.7 "1081 "1050 " 406.3 " 295.9 " 91.43 " 12.32 " 13
14 0.000" 0.366" 0.188" 6.821" 7.851" 130.4 "1372 "1017 " 371.7 " 257.9 " 84.68 " 12.68 " 14
15 0.000" 0.208" 0.120" 4.221" 6.462" 133.4 "1111 " 853.9 " 352.8 " 231.5 " 84.31 " 11.13 " 15
16 0.000" 0.110" 0.081" 2.786" 5.790" 132.2 " 824.7 " 701.8 " 483.0 " 210.2 " 76.42 " 11.94 " 16
17 0.000" 0.060" 0.062" 2.331" 5.593" 119.6 " 656.1 " 595.5 " 596.9 " 190.6 " 69.73 " 13.09 " 17
18 0.000" 0.060" 0.053" 1.853" 12.00 " 101.6 " 594.9 " 529.4 " 568.0 " 176.2 " 64.92 " 10.98 " 18
19 0.000" 0.075" 0.052" 1.556" 13.50 " 107.6 " 635.6 " 552.3 " 573.5 " 191.8 " 62.43 " 10.29 " 19
20 0.000" 0.064" 0.045" 1.816" 10.18 " 327.2 " 646.6 " 571.2 " 526.1 " 352.6 " 58.20 " 9.332" 20
21 0.000" 0.053" 0.039" 1.565" 8.804" 733.2 " 553.6 " 552.5 " 463.4 " 515.6 " 56.50 " 8.826" 21
22 0.000" 0.043" 0.035" 1.390" 53.50 " 502.8 " 490.0 " 538.0 " 412.5 " 418.9 " 58.55 " 7.815" 22
23 0.000" 0.036" 0.030" 1.544" 91.28 " 280.5 " 470.5 " 496.8 " 359.5 " 341.5 " 55.05 " 6.890" 23
24 0.000" 0.029" 0.026" 1.472" 102.2 " 195.9 " 460.3 " 445.3 " 315.4 " 294.1 " 55.76 " 5.881" 24
25 0.000" 0.024" 0.025" 1.173" 78.24 " 158.1 " 420.2 " 408.5 " 281.2 " 248.1 " 48.20 " 4.911" 25
26 0.000" 0.019" 0.024" 1.113" 59.35 " 141.3 " 365.1 " 395.8 " 257.5 " 221.1 " 43.30 " 4.245" 26
27 0.000" 0.015" 0.022" 0.996" 45.85 " 268.7 " 351.8 " 410.1 " 266.5 " 223.6 " 40.42 " 3.277" 27
28 0.000" 0.011" 0.020" 0.850" 38.09 " 427.4 " 391.1 " 400.9 " 322.3 " 227.4 " 37.60 " 2.603" 28
29 0.000" 0.018" 2.184" 91.37 " 446.3 " 466.0 " 399.1 " 301.4 " 202.1 " 35.52 " 1.858" 29
30 0.000" 0.015" 18.05 " 245.7 " 437.2 " 518.0 " 445.3 " 279.4 " 185.5 " 34.04 " 1.326" 30
31 0.000" 0.013" 157.4 " 601.8 " 416.2 " 173.1 " 1.005" 31
Mean 0.004" 1.019" 0.783" 3.839" 39.14 " 205.1 " 608.3 " 718.6 " 400.7 " 321.4 " 87.48 " 13.40 "
Median 0.000" 0.048" 0.052" 1.431" 12.09 " 133.4 " 597.4 " 552.5 " 402.8 " 294.1 " 80.37 " 11.94 "
Maximum 0.038" 10.69 " 6.971" 37.46 " 245.7 " 733.2 "1372 "1644 " 596.9 " 740.7 " 169.1 " 36.60 "
Minimum 0.000" 0.000" 0.006" 0.013" 5.593" 59.16 " 305.7 " 395.8 " 257.5 " 173.1 " 34.04 " 1.005"
Total 0.11" 28.54" 24.28" 115.2 " 1213 " 6154 "18858 "22277 "12020 " 9965 " 2624 " 415.4 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 201.9 " " ... Relative Uncertainty +/-10%
Ann. Median 55.76 "
Annual Total 73694 "
Maximum Minimum
Daily 1644 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2022
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.747" 0.000" 0.000" 0.000" 0.308" 4.241" 68.22 " 703.5 " 197.1 " 138.8 " 117.9 " 22.31 " 1
2 0.522" 0.000" 0.000" 0.000" 0.196" 14.99 " 63.85 " 875.7 " 182.1 " 129.6 " 103.6 " 20.58 " 2
3 0.345" 0.000" 0.000" 0.000" 0.187" 16.39 " 60.54 " 941.0 " 170.6 " 124.4 " 94.00 " 19.06 " 3
4 0.228" 0.000" 0.000" 0.000" 0.148" 8.543" 57.77 " 910.5 " 175.6 " 125.8 " 86.73 " 17.48 " 4
5 0.163" 0.000" 0.000" 0.000" 0.093" 6.164" 103.5 " 723.9 " 259.8 " 143.7 " 75.19 " 15.88 " 5
6 0.079" 0.000" 0.000" 0.000" 0.070" 7.119" 94.00 " 525.1 " 258.8 " 133.1 " 66.31 " 15.05 " 6
7 0.037" 0.000" 0.000" 0.000" 0.044" 9.664" 86.50 " 476.0 " 247.2 " 128.1 " 59.52 " 13.57 " 7
8 0.029" 0.000" 0.000" 0.000" 0.040" 9.454" 73.14 " 465.9 " 209.9 " 125.9 " 54.53 " 12.20 " 8
9 0.023" 0.000" 0.000" 0.000" 0.040" 12.87 " 198.2 " 869.7 " 188.4 " 123.4 " 50.38 " 11.49 " 9
10 0.018" 0.000" 0.000" 0.005" 0.040" 51.29 " 320.2 "1377 " 183.0 " 122.5 " 56.52 " 10.83 " 10
11 0.014" 0.000" 0.000" 0.143" 0.045" 119.5 " 281.8 "1010 " 162.2 " 120.1 " 58.39 " 9.719" 11
12 0.011" 0.000" 0.000" 0.103" 13.56 " 145.8 " 197.7 " 687.4 " 155.2 " 116.1 " 54.85 " 8.708" 12
13 0.008" 0.000" 0.000" 0.036" 33.37 " 154.5 " 207.3 " 596.8 " 430.1 " 115.3 " 57.81 " 8.010" 13
14 0.006" 0.000" 0.000" 0.026" 13.21 " 147.6 " 251.7 " 740.1 " 568.4 " 117.2 " 50.22 " 7.308" 14
15 0.005" 0.000" 0.000" 0.019" 7.600" 117.5 " 312.8 " 715.6 " 408.9 " 118.0 " 45.44 " 6.578" 15
16 0.003" 0.000" 0.000" 0.014" 4.445" 116.4 " 285.6 " 893.2 " 349.5 " 113.9 " 43.00 " 5.665" 16
17 0.002" 0.000" 0.000" 0.011" 3.052" 130.8 " 206.7 " 944.4 " 296.1 " 122.8 " 42.01 " 4.872" 17
18 0.001" 0.000" 0.000" 0.010" 4.551" 200.2 " 213.1 " 831.3 " 264.2 " 113.9 " 56.06 " 4.288" 18
19 0.000" 0.000" 0.000" 0.009" 7.708" 184.0 " 190.3 " 653.2 " 319.5 " 103.7 " 56.46 " 3.666" 19
20 0.000" 0.000" 0.000" 0.008" 5.322" 150.0 " 161.7 " 522.5 " 349.5 " 98.12 " 54.48 " 3.015" 20
21 0.000" 0.000" 0.000" 0.006" 3.579" 129.9 " 411.8 " 470.0 " 308.6 " 91.33 " 48.89 " 2.591" 21
22 0.000" 0.000" 0.000" 0.005" 8.578" 114.6 " 489.3 " 426.9 " 283.9 " 85.51 " 43.00 " 2.287" 22
23 0.000" 0.000" 0.000" 0.004" 40.44 " 174.1 " 431.1 " 374.9 " 254.7 " 79.24 " 39.17 " 1.959" 23
24 0.000" 0.000" 0.000" 0.003" 53.78 " 191.9 " 591.5 " 333.1 " 251.2 " 83.84 " 35.61 " 1.589" 24
25 0.000" 0.000" 0.000" 0.003" 23.86 " 148.3 " 507.1 " 298.5 " 250.9 " 95.66 " 34.52 " 1.230" 25
26 0.000" 0.000" 0.000" 0.434" 11.60 " 121.5 " 414.7 " 275.4 " 226.2 " 92.93 " 33.58 " 1.099" 26
27 0.000" 0.000" 0.000" 0.732" 7.865" 107.0 " 419.7 " 256.2 " 204.2 " 83.12 " 35.41 " 0.832" 27
28 0.000" 0.000" 0.000" 1.559" 7.823" 97.33 " 329.4 " 262.7 " 178.4 " 78.23 " 30.28 " 0.550" 28
29 0.000" 0.000" 1.234" 7.730" 85.90 " 440.7 " 261.5 " 162.4 " 71.64 " 26.97 " 0.376" 29
30 0.000" 0.000" 0.567" 5.796" 75.32 " 542.5 " 235.8 " 150.7 " 88.14 " 24.42 " 0.242" 30
31 0.000" 0.000" 5.339" 538.7 " 215.1 " 106.9 " 0.134" 31
Mean 0.072" 0.000" 0.000" 0.164" 8.723" 95.09 " 275.8 " 608.8 " 254.9 " 109.4 " 54.51 " 7.521"
Median 0.003" 0.000" 0.000" 0.007" 5.322" 115.5 " 251.7 " 596.8 " 249.0 " 115.3 " 52.43 " 5.665"
Maximum 0.747" 0.000" 0.000" 1.559" 53.78 " 200.2 " 591.5 "1377 " 568.4 " 143.7 " 117.9 " 22.31 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.040" 4.241" 57.77 " 215.1 " 150.7 " 71.64 " 24.42 " 0.134"
Total 2.24" 0.00" 0.00" 4.93" 270.4 " 2853 " 8551 "18874 " 7647 " 3391 " 1635 " 233.2 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 119.1 " " ... Relative Uncertainty +/-10%
Ann. Median 16.39 "
Annual Total 43462 "
Maximum Minimum
Daily 1377 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2023
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.061" 0.000" 0.000" 0.000" 1.501" 8.330" 69.40 " 256.0 " 141.9 " 135.5 " 32.36 " 0.695" 1
2 0.037" 0.000" 0.000" 0.000" 1.094" 5.957" 63.56 " 597.9 " 170.9 " 152.0 " 30.02 " 0.474" 2
3 0.030" 0.000" 0.000" 0.000" 0.853" 3.724" 93.82 "1557 " 321.1 " 163.4 " 27.87 " 0.319" 3
4 0.023" 0.000" 0.000" 0.000" 0.679" 4.504" 150.8 "1136 " 343.7 " 150.6 " 25.59 " 0.193" 4
5 0.017" 0.000" 0.000" 0.000" 0.485" 32.89 " 214.7 " 785.9 " 301.3 " 143.1 " 23.30 " 0.117" 5
6 0.012" 0.000" 0.000" 0.000" 0.314" 76.30 " 204.6 " 605.0 " 376.1 " 138.1 " 21.14 " 0.059" 6
7 0.009" 0.000" 0.000" 0.000" 0.272" 48.55 " 154.9 " 532.9 " 328.9 " 129.0 " 19.28 " 0.037" 7
8 0.006" 0.000" 0.000" 0.000" 0.330" 38.61 " 134.8 " 483.4 " 245.4 " 123.5 " 17.65 " 0.030" 8
9 0.004" 0.000" 0.000" 0.000" 0.315" 28.77 " 126.0 " 418.3 " 208.4 " 115.6 " 17.48 " 0.023" 9
10 0.003" 0.000" 0.000" 0.000" 8.314" 38.80 " 131.0 " 358.2 " 185.2 " 108.2 " 16.57 " 0.017" 10
11 0.002" 0.000" 0.000" 0.000" 10.52 " 46.52 " 126.6 " 321.5 " 167.0 " 99.20 " 14.49 " 0.012" 11
12 0.001" 0.000" 0.000" 0.000" 4.815" 63.37 " 119.9 " 289.4 " 166.2 " 90.30 " 12.76 " 0.008" 12
13 0.000" 0.000" 0.000" 0.000" 7.513" 121.1 " 135.8 " 259.6 " 307.3 " 83.25 " 11.83 " 0.005" 13
14 0.000" 0.000" 0.000" 0.000" 10.01 " 138.8 " 145.0 " 241.8 " 572.9 " 77.61 " 11.60 " 0.002" 14
15 0.000" 0.000" 0.000" 0.000" 5.363" 128.3 " 132.0 " 276.8 " 538.0 " 72.46 " 10.89 " 0.001" 15
16 0.000" 0.000" 0.000" 0.000" 3.188" 115.3 " 115.7 " 451.3 " 581.2 " 67.13 " 9.881" 0.000" 16
17 0.000" 0.000" 0.000" 0.000" 2.372" 99.77 " 132.5 " 463.7 " 564.3 " 60.93 " 9.071" 0.000" 17
18 0.000" 0.000" 0.000" 0.000" 1.816" 91.42 " 182.5 " 363.2 " 496.9 " 56.96 " 8.257" 0.000" 18
19 0.000" 0.000" 0.000" 0.000" 1.312" 70.05 " 391.4 " 308.7 " 438.7 " 53.54 " 7.426" 0.000" 19
20 0.000" 0.000" 0.000" 0.000" 1.050" 123.6 " 346.6 " 269.9 " 394.0 " 52.37 " 6.681" 0.000" 20
21 0.000" 0.000" 0.000" 0.000" 0.831" 138.2 " 255.6 " 250.2 " 347.6 " 49.37 " 5.881" 0.000" 21
22 0.000" 0.000" 0.000" 0.000" 0.830" 128.3 " 218.7 " 236.4 " 303.7 " 48.89 " 5.134" 0.000" 22
23 0.000" 0.000" 0.000" 0.000" 1.419" 132.9 " 171.1 " 229.6 " 261.9 " 47.27 " 4.185" 0.000" 23
24 0.000" 0.000" 0.000" 0.000" 5.769" 138.9 " 147.6 " 230.3 " 236.6 " 44.41 " 3.384" 0.000" 24
25 0.000" 0.000" 0.000" 7.770" 4.428" 147.4 " 217.5 " 207.7 " 208.5 " 41.69 " 2.979" 0.000" 25
26 0.000" 0.000" 0.000" 19.21 " 2.787" 144.7 " 725.0 " 187.2 " 186.9 " 39.46 " 2.414" 0.000" 26
27 0.000" 0.000" 0.000" 12.63 " 2.178" 123.8 " 876.1 " 176.1 " 169.9 " 37.89 " 1.776" 0.000" 27
28 0.000" 0.000" 0.000" 6.216" 1.920" 104.9 " 634.3 " 178.4 " 157.6 " 35.91 " 1.370" 0.000" 28
29 0.000" 0.000" 3.075" 1.689" 92.17 " 454.3 " 168.8 " 147.5 " 35.67 " 1.125" 0.000" 29
30 0.000" 0.000" 2.002" 1.665" 78.34 " 385.2 " 154.9 " 140.0 " 35.17 " 0.938" 0.000" 30
31 0.000" 0.000" 3.128" 309.5 " 147.1 " 34.19 " 0.000" 31
Mean 0.007" 0.000" 0.000" 1.697" 2.863" 83.81 " 244.1 " 391.7 " 300.3 " 81.38 " 12.11 " 0.064"
Median 0.000" 0.000" 0.000" 0.000" 1.689" 91.80 " 154.9 " 276.8 " 281.6 " 67.13 " 10.38 " 0.000"
Maximum 0.061" 0.000" 0.000" 19.21 " 10.52 " 147.4 " 876.1 "1557 " 581.2 " 163.4 " 32.36 " 0.695"
Minimum 0.000" 0.000" 0.000" 0.000" 0.272" 3.724" 63.56 " 147.1 " 140.0 " 34.19 " 0.938" 0.000"
Total 0.21" 0.00" 0.00" 50.90" 88.76" 2514 " 7567 "12144 " 9009 " 2523 " 363.3 " 1.99"
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 93.87 " " ... Relative Uncertainty +/-10%
Ann. Median 5.134"
Annual Total 34262 "
Maximum Minimum
Daily 1557 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2024
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 3.671"1042 " 737.5 " 174.6 " 80.48 " 23.08 " 1
2 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 19.32 "1033 " 676.1 " 191.3 " 77.34 " 21.24 " 2
3 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 11.41 " 712.7 " 622.1 " 276.8 " 71.31 " 20.12 " 3
4 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 6.120" 501.4 " 581.7 " 344.8 " 65.55 " 19.90 " 4
5 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 4.684" 420.7 " 597.8 " 340.7 " 64.36 " 17.91 " 5
6 0.000" 0.000" 0.000" 0.000" 0.000" 0.002" 8.665" 722.9 " 644.4 " 304.9 " 64.17 " 15.74 " 6
7 0.000" 0.000" 0.000" 0.000" 0.000" 8.942" 23.33 " 722.6 " 651.3 " 264.7 " 61.89 " 13.99 " 7
8 0.000" 0.000" 0.000" 0.000" 0.000" 5.939" 30.19 " 578.5 " 590.3 " 227.0 " 58.96 " 13.07 " 8
9 0.000" 0.000" 0.000" 0.000" 0.000" 11.15 " 73.95 " 575.5 " 535.6 " 198.8 " 56.07 " 12.10 " 9
10 0.000" 0.000" 0.000" 0.000" 0.000" 9.831" 102.8 " 518.8 " 491.3 " 175.1 " 52.87 " 11.02 " 10
11 0.000" 0.000" 0.000" 0.000" 0.000" 8.279" 89.18 " 555.1 " 450.0 " 159.2 " 54.73 " 9.928" 11
12 0.000" 0.000" 0.000" 0.000" 0.000" 18.05 " 68.74 " 605.1 " 413.7 " 148.4 " 51.47 " 8.843" 12
13 0.000" 0.000" 0.000" 0.000" 0.000" 8.170" 54.44 " 603.3 " 380.3 " 144.3 " 48.36 " 7.724" 13
14 0.000" 0.000" 0.000" 0.000" 0.000" 4.992" 46.20 " 875.8 " 344.5 " 138.9 " 45.09 " 6.965" 14
15 0.000" 0.000" 0.000" 0.000" 0.000" 3.780" 40.65 " 949.4 " 311.2 " 138.3 " 42.64 " 5.969" 15
16 0.000" 0.000" 0.000" 0.000" 0.000" 6.767" 36.57 " 795.3 " 286.2 " 136.7 " 40.05 " 4.739" 16
17 0.000" 0.000" 0.000" 0.000" 0.000" 5.354" 45.80 "1160 " 261.7 " 149.1 " 37.83 " 4.091" 17
18 0.000" 0.000" 0.000" 0.000" 0.000" 4.379" 167.0 "2786 " 242.0 " 141.5 " 35.82 " 3.586" 18
19 0.000" 0.000" 0.000" 0.000" 0.000" 3.612" 169.3 "2405 " 226.6 " 156.9 " 36.07 " 2.779" 19
20 0.000" 0.000" 0.000" 0.000" 0.000" 2.667" 131.7 "1885 " 214.9 " 165.5 " 38.56 " 2.094" 20
21 0.000" 0.000" 0.000" 0.000" 0.000" 2.359" 107.0 "1479 " 206.7 " 184.5 " 39.00 " 1.586" 21
22 0.000" 0.000" 0.000" 0.000" 0.000" 30.19 " 141.1 "1313 " 201.1 " 161.3 " 37.56 " 1.156" 22
23 0.000" 0.000" 0.000" 0.000" 0.000" 15.54 " 263.1 "1584 " 196.9 " 148.4 " 35.86 " 0.836" 23
24 0.000" 0.000" 0.000" 0.000" 0.000" 9.689" 233.9 "1785 " 191.7 " 142.4 " 35.42 " 0.593" 24
25 0.000" 0.000" 0.000" 0.000" 0.000" 8.313" 222.5 "1670 " 181.6 " 132.3 " 34.06 " 0.364" 25
26 0.000" 0.000" 0.000" 0.000" 0.000" 11.32 " 257.3 "1323 " 173.0 " 126.2 " 31.52 " 0.177" 26
27 0.000" 0.000" 0.000" 0.000" 0.000" 17.48 " 197.5 "1164 " 204.0 " 119.8 " 29.60 " 0.063" 27
28 0.000" 0.000" 0.000" 0.000" 0.000" 9.790" 488.7 "1033 " 224.0 " 111.5 " 27.72 " 0.034" 28
29 0.000" 0.000" 0.000" 0.000" 0.000" 5.567" 661.2 " 984.3 " 197.4 " 103.5 " 25.88 " 0.024" 29
30 0.000" 0.000" 0.000" 0.000" 4.129" 576.7 " 901.0 " 184.0 " 94.53 " 23.85 " 0.016" 30
31 0.000" 0.000" 0.000" 547.4 " 790.9 " 86.58 " 0.009" 31
Mean 0.000" 0.000" 0.000" 0.000" 0.000" 7.209" 155.8 "1080 " 374.0 " 173.8 " 46.80 " 7.411"
Median 0.000" 0.000" 0.000" 0.000" 0.000" 5.753" 89.18 " 949.4 " 298.7 " 149.1 " 41.34 " 4.739"
Maximum 0.000" 0.000" 0.000" 0.000" 0.000" 30.19 " 661.2 "2786 " 737.5 " 344.8 " 80.48 " 23.08 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 3.671" 420.7 " 173.0 " 86.58 " 23.85 " 0.009"
Total 0.00" 0.00" 0.00" 0.00" 0.00" 216.3 " 4830 "33474 "11220 " 5389 " 1404 " 229.7 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 155.1 " " ... Relative Uncertainty +/-10%
Ann. Median 5.173"
Annual Total 56763 "
Maximum Minimum
Daily 2786 " 0.000"
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2025
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.005" 0.000" 0.000" 0.000" 0.000" 0.853" 171.3 " 797.8 " 619.4 " 300.4 " 154.9 " 41.29 " 1
2 0.002" 0.000" 0.000" 0.000" 0.000" 1.689" 220.8 "1241 " 553.4 " 283.4 " 147.3 " 37.82 " 2
3 0.001" 0.000" 0.000" 0.000" 0.000" 69.21 " 839.5 "1595 " 508.4 " 265.3 " 135.3 " 34.55 " 3
4 0.000" 0.000" 0.000" 0.000" 0.000" 110.0 " 699.6 "1417 " 468.9 " 349.0 " 128.9 " 31.65 " 4
5 0.000" 0.000" 0.000" 0.000" 0.000" 46.42 " 394.3 "1222 " 810.3 " 361.9 " 136.5 " 29.21 " 5
6 0.000" 0.000" 0.000" 0.000" 0.000" 19.61 " 439.5 "1054 "1559 " 295.6 " 157.7 " 27.09 " 6
7 0.000" 0.000" 0.000" 0.000" 0.000" 11.48 " 592.5 " 869.4 "1495 " 273.5 " 159.9 " 25.35 " 7
8 0.000" 0.000" 0.000" 0.000" 0.000" 8.070" 549.3 " 747.0 "1399 " 259.0 " 149.6 " 23.91 " 8
9 0.000" 0.000" 0.000" 0.000" 0.000" 6.295" 398.8 " 679.9 "1231 " 238.1 " 136.0 " 21.67 " 9
10 0.000" 0.000" 0.000" 0.000" 0.000" 28.97 " 299.4 " 715.5 "1055 " 223.8 " 123.3 " 19.41 " 10
11 0.000" 0.000" 0.000" 0.000" 0.000" 25.18 " 242.6 " 665.9 " 878.4 " 213.1 " 110.1 " 17.55 " 11
12 0.000" 0.000" 0.000" 0.000" 0.000" 12.00 " 411.1 " 604.1 " 753.5 " 200.4 " 96.87 " 15.47 " 12
13 0.000" 0.000" 0.000" 0.000" 0.000" 16.13 " 563.3 " 547.5 " 687.0 " 190.6 " 86.57 " 13.80 " 13
14 0.000" 0.000" 0.000" 0.000" 0.000" 13.65 " 510.2 " 565.7 " 835.3 " 179.6 " 80.36 " 12.58 " 14
15 0.000" 0.000" 0.000" 0.000" 0.000" 33.16 " 472.4 " 592.5 "1043 " 169.5 " 76.64 " 11.14 " 15
16 0.000" 0.000" 0.000" 0.000" 0.000" 19.60 " 478.3 " 521.1 " 917.4 " 165.3 " 71.36 " 9.928" 16
17 0.000" 0.000" 0.000" 0.000" 0.000" 12.25 " 440.6 " 481.1 " 935.2 " 160.8 " 66.13 " 8.406" 17
18 0.000" 0.000" 0.000" 0.000" 0.000" 77.45 " 380.8 " 445.8 " 963.9 " 159.2 " 61.49 " 7.286" 18
19 0.000" 0.000" 0.000" 0.000" 0.000" 110.2 " 355.4 " 895.9 " 843.4 " 174.7 " 57.77 " 6.297" 19
20 0.000" 0.000" 0.000" 0.000" 0.000" 346.2 " 640.4 "1280 " 774.7 " 194.9 " 54.30 " 5.489" 20
21 0.000" 0.000" 0.000" 0.000" 0.000" 774.2 "1157 " 982.6 " 684.0 " 183.8 " 51.28 " 4.683" 21
22 0.000" 0.000" 0.000" 0.000" 0.000" 648.1 " 903.3 " 924.2 " 604.2 " 170.9 " 51.79 " 4.224" 22
23 0.000" 0.000" 0.000" 0.000" 0.000" 369.7 " 878.5 " 855.9 " 537.9 " 161.5 " 55.50 " 3.642" 23
24 0.000" 0.000" 0.000" 0.000" 0.000" 214.8 "1430 " 859.7 " 488.4 " 169.6 " 63.18 " 2.993" 24
25 0.000" 0.000" 0.000" 0.000" 0.000" 157.2 "1244 "1078 " 449.0 " 189.3 " 63.80 " 2.420" 25
26 0.000" 0.000" 0.000" 0.000" 0.000" 270.4 " 868.4 "1282 " 416.3 " 169.0 " 64.28 " 1.802" 26
27 0.000" 0.000" 0.000" 0.000" 0.000" 461.2 "2578 $1182 " 386.2 " 153.8 " 61.36 " 1.317" 27
28 0.000" 0.000" 0.000" 0.000" 0.000" 293.4 "2953 $1181 " 361.2 " 144.7 " 55.98 " 1.093" 28
29 0.000" 0.000" 0.000" 0.000" 181.2 "1809 "1039 " 340.5 " 136.6 " 50.32 " 0.929" 29
30 0.000" 0.000" 0.000" 0.000" 165.8 "1305 " 812.8 " 320.1 " 131.0 " 45.29 " 0.664" 30
31 0.000" 0.000" 0.493" 990.5 " 705.0 " 133.7 " 0.428" 31
Mean 0.000" 0.000" 0.000" 0.000" 0.016" 150.1 " 813.4 $ 898.1 " 764.0 " 206.5 " 91.80 " 13.68 "
Median 0.000" 0.000" 0.000" 0.000" 0.000" 57.81 " 563.3 $ 859.7 " 720.3 " 183.8 " 74.00 " 9.928"
Maximum 0.005" 0.000" 0.000" 0.000" 0.493" 774.2 "2953 $1595 "1559 " 361.9 " 159.9 " 41.29 "
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" 0.853" 171.3 $ 445.8 " 320.1 " 131.0 " 45.29 " 0.428"
Total 0.01" 0.00" 0.00" 0.00" 0.49" 4504 "25216 $27840 "22919 " 6402 " 2754 " 424.1 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 246.7 $ " ... Relative Uncertainty +/-10%
Ann. Median 19.60 $ $ ... Relative Uncertainty +/-20%
Annual Total 90059 $
Maximum Minimum
Daily 2953 $ 0.000$
Department of Water and Environmental Regulation HYDAY V146 Output 18/05/2026
Site 610001 Margaret River - Willmots Farm Year 2026
VarFrom 10.00 Stage - SL in Metres Table Type Total
VarTo 151.00 Stream Discharge Volume in Megalitres
Figures are for period ending 24:00
Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Day
1 0.264" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 1
2 0.141" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 2
3 0.059" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 3
4 0.032" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 4
5 0.022" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 5
6 0.013" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 6
7 0.006" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 7
8 0.002" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 8
9 0.001" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 9
10 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 10
11 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 11
12 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 12
13 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 13
14 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 14
15 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 15
16 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] 16
17 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 17
18 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 18
19 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 19
20 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 20
21 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 21
22 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 22
23 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 23
24 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 24
25 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 25
26 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 26
27 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 27
28 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 28
29 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 29
30 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 30
31 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] 31
Mean 0.017" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Median 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Maximum 0.264" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Minimum 0.000" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Total 0.539" 0.000" 0.000" 0.000" 0.000" [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Missing Days 0 0 0 0 15 30 31 31 30 31 30 31
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 0.004" " ... Relative Uncertainty +/-10%
Ann. Median 0.000" [ ... Not Available
Annual Total 0.539"
Missing Days 229
Maximum Minimum
Daily 0.264" 0.000"