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Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 [ ] [ ] [ ] [ ] [ ] 465.6 "5255 "2413 " 694.7 " 512.1 " 70.29 " 5.141& 1
2 [ ] [ ] [ ] [ ] [ ] 809.7 "4263 "2054 " 650.1 " 514.9 " 63.35 " 5.141& 2
3 [ ] [ ] [ ] [ ] [ ] 809.6 "3668 "1936 " 634.3 " 665.1 " 66.43 " 5.057& 3
4 [ ] [ ] [ ] [ ] [ ] 624.1 "3015 "1772 " 547.3 "1043 " 84.52 " 4.332& 4
5 [ ] [ ] [ ] [ ] [ ] 549.7 "2617 "1562 " 485.5 "1219 " 80.73 " 3.526& 5
6 [ ] [ ] [ ] [ ] [ ] 553.2 "2525 "1365 " 463.6 "1340 " 73.70 " 3.369& 6
7 [ ] [ ] [ ] [ ] [ ] 712.0 "2325 "1216 " 694.5 "1211 " 69.89 " 3.043& 7
8 [ ] [ ] [ ] [ ] [ ] 670.6 "1937 "1262 "1041 "1426 " 66.86 " 2.954& 8
9 [ ] [ ] [ ] [ ] [ ] 563.8 "1739 "1138 " 881.3 "1324 " 58.80 " 2.636& 9
10 [ ] [ ] [ ] [ ] [ ] 463.8 "1847 "1090 " 803.1 "1029 " 51.28 " 2.252& 10
11 [ ] [ ] [ ] [ ] [ ] 567.3 "1591 " 994.9 " 725.9 " 856.5 " 46.64 " 1.823& 11
12 [ ] [ ] [ ] [ ] [ ] 818.5 "1339 " 907.8 " 684.5 " 729.9 " 41.18 " 1.631& 12
13 [ ] [ ] [ ] [ ] [ ] 678.7 "1206 " 860.4 " 712.1 " 605.3 " 36.91 " 1.434& 13
14 [ ] [ ] [ ] [ ] [ ] 819.9 "1092 " 824.0 " 628.0 " 504.3 " 32.96 " 1.214& 14
15 [ ] [ ] [ ] [ ] 93.98 " 737.1 "1003 " 724.7 " 538.0 " 416.4 " 28.64 " 0.834& 15
16 [ ] [ ] [ ] [ ] 83.27 " 572.5 " 940.1 " 645.0 " 478.7 " 319.1 " 25.05 " 0.642& 16
17 [ ] [ ] [ ] [ ] 83.48 " 725.6 " 873.9 " 595.6 " 428.7 " 285.4 " 22.96 " 0.505& 17
18 [ ] [ ] [ ] [ ] 65.74 "1545 " 805.6 " 717.5 " 382.7 " 270.6 " 20.50 " 0.300& 18
19 [ ] [ ] [ ] [ ] 63.55 "1688 " 748.0 " 871.9 " 359.0 " 238.8 " 18.49 " 0.020& 19
20 [ ] [ ] [ ] [ ] 56.54 "1742 " 692.8 " 939.6 " 347.1 " 215.3 " 16.55 " 0.000& 20
21 [ ] [ ] [ ] [ ] 47.79 "1555 " 645.3 " 864.2 " 449.4 " 203.8 " 14.47 " 0.000& 21
22 [ ] [ ] [ ] [ ] 42.10 "2253 " 636.1 " 747.2 " 540.3 " 175.9 " 13.08 " 0.000& 22
23 [ ] [ ] [ ] [ ] 37.97 "3662 "1526 " 710.2 " 489.9 " 150.2 " 11.25 & 0.000& 23
24 [ ] [ ] [ ] [ ] 36.04 "5241 "2366 " 773.1 " 670.3 " 121.0 " 9.304& 0.000& 24
25 [ ] [ ] [ ] [ ] 33.45 "4750 "2065 "1166 " 968.0 " 109.8 " 7.564& 0.000& 25
26 [ ] [ ] [ ] [ ] 33.26 "5622 "1903 "1178 " 960.1 " 108.6 " 7.073& 0.000& 26
27 [ ] [ ] [ ] [ ] 33.05 "5552 "2538 "1115 " 829.5 " 107.4 " 6.567& 0.000& 27
28 [ ] [ ] [ ] [ ] 32.96 "4781 "2427 " 994.4 " 727.1 " 105.7 " 5.767& 0.000& 28
29 [ ] [ ] [ ] 31.21 "4284 "1916 " 896.6 " 643.6 " 94.93 " 5.277& 0.000& 29
30 [ ] [ ] [ ] 50.54 "4887 "1838 " 811.3 " 541.9 " 85.65 " 5.141& 0.020& 30
31 [ ] [ ] 191.5 " 2292 " 780.2 " 76.16 " 5.393& 31
Mean [ ] [ ] [ ] [ ] 59.79 "1957 "1924 "1094 " 633.4 " 518.2 " 35.37 & 1.654&
Median [ ] [ ] [ ] [ ] 47.79 " 814.1 "1847 " 939.6 " 638.9 " 319.1 " 26.84 & 0.834&
Maximum [ ] [ ] [ ] [ ] 191.5 "5622 "5255 "2413 "1041 "1426 " 84.52 & 5.393&
Minimum [ ] [ ] [ ] [ ] 31.21 " 463.8 " 636.1 " 595.6 " 347.1 " 76.16 " 5.141& 0.000&
Total [ ] [ ] [ ] [ ] 1016 "58703 "59638 "33925 "19001 "16064 " 1061 & 51.27&
Missing Days 31 28 31 30 14 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 820.2 & " ... Relative Uncertainty +/-10%
Ann. Median 563.8 & & ... Relative Uncertainty +/-30%
Annual Total 189460 & [ ... Not Available
Missing Days 134
Maximum Minimum
Daily 5622 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 5.161& 114.0 & 0.000&1305 " 38.01 " 243.2 " 175.0 " 786.7 " 400.9 "2681 " 235.3 " 112.5 " 1
2 4.978& 223.8 " 0.000&1078 " 36.89 " 201.6 " 175.0 " 774.5 " 364.0 "1982 " 219.6 " 89.42 " 2
3 3.327& 68.31 " 0.000& 952.7 " 36.54 " 191.7 " 246.7 " 760.0 " 351.0 "1737 " 201.5 " 72.42 " 3
4 2.501& 33.27 " 0.000& 994.6 " 35.55 " 186.4 " 285.0 " 818.6 " 324.0 "1632 " 184.0 " 61.53 " 4
5 2.120& 19.59 " 0.000&1411 " 32.48 " 189.3 " 237.8 " 846.0 " 402.9 "2432 " 179.7 " 51.02 " 5
6 1.856& 13.06 & 0.000&1519 " 29.54 " 262.6 " 222.4 " 755.7 " 429.2 "1982 " 170.6 " 40.68 " 6
7 1.741& 8.005& 0.000&1160 " 97.21 " 373.5 " 205.8 " 627.4 " 343.9 "1944 " 151.8 " 34.05 " 7
8 1.570& 6.094& 0.000& 871.1 " 160.9 " 367.6 " 185.2 " 562.0 " 451.8 "2228 " 137.5 " 30.36 " 8
9 1.431& 4.500& 0.000& 619.1 " 157.6 " 493.8 " 172.8 " 490.7 " 511.2 "1582 " 124.9 " 28.63 " 9
10 1.264& 3.626& 0.000& 444.9 " 157.4 " 524.5 " 171.6 " 420.6 " 408.9 "1358 " 118.9 " 26.99 " 10
11 1.137& 2.994& 0.000& 324.3 " 146.5 " 479.6 " 215.6 " 371.6 " 344.2 "1207 " 119.4 " 26.43 " 11
12 0.934& 2.474& 0.000& 260.5 " 136.8 " 460.8 " 213.9 " 342.7 " 309.7 "1094 " 119.9 " 25.81 " 12
13 0.686& 2.095& 0.000& 250.0 " 130.1 " 437.9 " 199.8 " 331.0 " 347.3 "1018 " 117.3 " 23.98 " 13
14 0.600& 1.766& 0.000& 209.7 " 137.3 " 384.5 " 263.1 " 320.3 " 392.5 "1049 " 109.4 " 19.85 " 14
15 [ ] 1.650& 0.000& 167.5 " 147.0 " 335.5 " 290.9 " 956.7 " 330.7 " 979.6 " 104.4 " 15.67 " 15
16 [ ] 1.557& 0.000& 142.1 " 138.8 " 338.5 " 273.5 "1558 " 299.8 " 813.8 " 101.5 " 11.45 & 16
17 [ ] 1.368& 0.000& 122.3 " 125.4 " 315.7 " 295.3 "1473 " 404.8 " 725.4 " 99.56 " 10.28 & 17
18 [ ] 1.183& 0.239& 105.9 " 112.4 " 278.1 " 296.8 "1361 " 574.7 " 639.7 " 92.20 " 8.807& 18
19 [ ] 0.941&2062 " 95.01 " 111.7 " 239.2 " 319.2 "1217 "1647 " 595.0 " 83.00 " 8.117& 19
20 [ ] 0.770& 892.4 " 86.25 " 127.7 " 227.2 " 287.4 "1312 "1813 " 736.6 " 78.29 " 6.915& 20
21 [ ] 0.616& 292.0 " 76.42 " 155.2 " 290.6 " 277.0 "1187 "1538 " 795.6 " 77.21 " 6.123& 21
22 [ ] 0.521& 154.7 " 67.72 " 176.2 " 298.1 " 282.8 "1010 "1398 " 667.3 " 75.70 " 5.506& 22
23 [ ] 0.445& 90.73 " 61.38 " 275.9 " 244.3 " 257.7 " 860.1 "1112 " 512.8 " 78.54 " 5.296& 23
24 [ ] 0.251& 62.97 " 58.04 " 228.7 " 228.6 " 321.8 " 728.7 "2003 " 415.3 " 88.61 " 4.988& 24
25 [ ] 0.049& 51.16 " 54.42 " 176.0 " 209.3 " 480.9 " 652.5 "2626 " 360.6 " 77.61 " 4.954& 25
26 0.000& 0.001& 45.85 " 51.39 " 164.3 " 191.8 " 387.4 " 739.0 "1955 " 334.7 " 71.17 " 5.011& 26
27 0.000& 0.000& 44.00 " 48.67 " 135.7 " 189.5 " 336.5 " 821.1 "1681 " 325.3 " 70.01 " 5.734& 27
28 0.000& 0.000& 60.78 " 44.55 " 141.2 " 182.8 " 348.7 " 653.0 "1403 " 303.9 " 174.4 " 6.107& 28
29 0.000& 2163 " 42.22 " 204.0 " 172.9 " 447.1 " 583.1 "1498 " 279.5 " 251.4 " 5.826& 29
30 0.000& 2672 " 40.03 " 209.0 " 164.7 " 655.0 " 529.9 "3960 " 258.2 " 157.4 " 5.198& 30
31 0.000& 1795 " 230.7 " 846.9 " 456.2 " 239.3 " 5.169& 31
Mean 1.465& 18.32 & 335.1 & 422.2 " 135.2 " 290.1 " 302.4 " 784.1 " 987.5 "1062 " 129.0 " 24.67 &
Median 1.200& 1.708& 0.000& 154.8 " 138.8 " 253.4 " 277.0 " 755.7 " 440.5 " 813.8 " 118.1 " 11.45 &
Maximum 5.161& 223.8 &2672 &1519 " 275.9 " 524.5 " 846.9 "1558 "3960 "2681 " 251.4 " 112.5 &
Minimum 0.000& 0.000& 0.000& 40.03 " 29.54 " 164.7 " 171.6 " 320.3 " 299.8 " 239.3 " 70.01 " 4.954&
Total 29.30& 512.9 &10387 &12665 " 4193 " 8704 " 9375 "24306 "29625 "32907 " 3871 " 764.9 &
Missing Days 11 0 0 0 0 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 388.0 & " ... Relative Uncertainty +/-10%
Ann. Median 183.4 & & ... Relative Uncertainty +/-30%
Annual Total 137339 & [ ... Not Available
Missing Days 11
Maximum Minimum
Daily 3960 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 4.784& 0.000& 0.000& 1.289& 0.000& 327.4 " 435.0 "1268 "2121 " 271.3 " 61.97 " 1.883& 1
2 4.571& 0.000& 0.000& 1.170& 0.000& 169.4 " 616.1 "1304 "1861 " 326.5 " 55.77 " 1.591& 2
3 4.049& 0.000& 0.000& 1.086& 0.000& 168.9 "1083 "1730 "1657 " 312.5 " 52.57 " 1.439& 3
4 3.070& 0.000& 0.000& 1.044& 0.000& 249.2 "1080 "2171 "1768 " 248.6 " 47.51 " 1.357& 4
5 3.077& 0.000& 0.000& 0.892& 0.000& 194.4 "1175 "2219 "1671 " 219.1 " 42.76 " 1.199& 5
6 3.015& 0.000& 0.000& 0.854& 0.000& 144.3 " 988.0 "1977 "1447 " 199.2 " 40.10 " 0.904& 6
7 2.494& 0.000& 0.000& 0.854& 0.000& 111.9 " 738.1 "1905 "1308 " 191.8 " 36.33 " 0.610& 7
8 1.894& 0.000& 0.000& 0.854& 0.000& 94.15 " 852.5 "1746 "1191 " 355.4 " 32.95 " 0.564& 8
9 1.657& 0.000& 21.40 & 0.825& 0.000& 84.17 " 960.6 "1533 "1089 " 413.6 " 29.72 " 0.347& 9
10 1.478& 0.000& 64.33 " 0.691& 0.000& 74.16 " 863.8 "1324 "1035 " 315.8 " 27.09 " 0.022& 10
11 1.355& 0.000& 43.39 " 0.609& 0.000& 62.69 " 832.5 "1151 "1049 " 236.4 " 24.56 " 0.000& 11
12 1.257& 0.000& 31.54 " 0.517& 0.000& 56.82 " 772.7 "1043 "1029 " 200.4 " 22.32 " 0.000& 12
13 1.136& 0.000& 21.02 " 0.474& 0.000& 81.84 " 716.8 " 946.5 " 928.8 " 184.2 " 19.69 " 0.000& 13
14 1.049& 0.000& 15.92 " 0.455& 0.000& 508.6 " 681.0 " 865.9 " 843.2 " 159.5 " 16.25 " 0.000& 14
15 0.668& 0.000& 11.86 & 0.446& [ ] 414.1 " 600.0 " 758.3 " 787.8 " 141.8 " 12.65 " 0.000& 15
16 0.570& 0.000& 8.777& 0.364& [ ] 274.5 " 543.6 " 998.6 " 824.7 " 132.9 " 12.33 " 0.000& 16
17 0.460& 0.000& 7.122& 0.108& [ ] 191.4 " 491.8 "2431 "1040 " 121.3 " 12.19 " 0.000& 17
18 0.311& 0.000& 5.673& 0.044& [ ] 148.6 " 524.3 "3847 " 844.8 " 114.7 " 12.09 " 0.000& 18
19 0.046& 0.000& 5.010& 0.130& 7.644& 122.5 " 529.5 "4636 " 741.8 " 107.6 " 12.18 & 0.000& 19
20 0.000& 0.000& 4.310& 0.199& 7.303& 109.5 " 475.1 "5121 " 654.4 " 104.0 " 8.406& 0.000& 20
21 0.000& 0.000& 3.580& 0.163& 7.241& 130.0 " 425.9 "5442 " 593.5 " 99.21 " 7.962& 0.000& 21
22 0.000& 0.000& 3.242& 0.157& 7.170& 237.6 " 399.0 "4479 " 539.8 " 92.54 " 7.432& 0.000& 22
23 0.000& 0.000& 3.048& 0.157& 7.465& 226.1 "1074 "4388 " 499.0 " 82.52 " 6.822& 0.000& 23
24 0.000& 0.000& 2.459& 0.148& 8.808& 483.7 "1173 "3809 " 445.9 " 81.55 " 5.850& 0.000& 24
25 0.000& 0.000& 1.889& 0.111& 7.549& 857.1 " 948.6 "4164 " 399.7 " 74.38 " 4.690& 0.000& 25
26 0.000& 0.000& 1.745& 0.058& 13.41 " 763.0 " 896.3 "3528 " 361.8 " 69.04 " 4.002& 0.000& 26
27 0.000& 0.000& 1.638& 0.031& 12.76 & 752.0 "1044 "4151 " 336.6 " 63.03 " 3.792& 0.000& 27
28 0.000& 0.000& 1.528& 0.027& 9.266& 726.1 "1149 "4091 " 310.3 " 65.42 " 3.668& 0.000& 28
29 0.000& 0.000& 1.497& 0.002& 8.120& 599.1 "1294 "3436 " 288.6 " 73.18 " 3.203& 0.000& 29
30 0.000& 1.375& 0.000& 8.958& 487.1 "1231 "2799 " 271.2 " 75.88 " 2.473& 0.000& 30
31 0.000& 1.344& 63.14 & 1348 "2390 " 66.61 " 0.000& 31
Mean 1.192& 0.000& 8.506& 0.459& 6.253& 295.0 " 836.8 "2634 " 931.3 " 167.7 " 20.98 & 0.320&
Median 0.570& 0.000& 2.459& 0.405& 0.000& 192.9 " 852.5 "2219 " 844.0 " 132.9 " 12.49 & 0.000&
Maximum 4.784& 0.000& 64.33 & 1.289& 63.14 & 857.1 "1348 "5442 "2121 " 413.6 " 61.97 & 1.883&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 56.82 " 399.0 " 758.3 " 271.2 " 63.03 " 2.473& 0.000&
Total 36.94& 0.00& 263.7 & 13.76& 168.8 & 8850 "25942 "81653 "27938 " 5200 " 629.3 & 9.91&
Missing Days 0 0 0 0 4 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 416.3 & " ... Relative Uncertainty +/-10%
Ann. Median 11.98 & & ... Relative Uncertainty +/-30%
Annual Total 150705 & [ ... Not Available
Missing Days 4
Maximum Minimum
Daily 5442 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 4262 " 1772 " 2207 " 404.7 " 28.43" 1
2 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 3508 " 1901 " 1876 " 380.2 " 28.40" 2
3 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 3033 " 1795 " 1630 " 332.6 " 28.39" 3
4 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 3412 " 1583 " 1493 " 282.5 " 26.72" 4
5 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 4771 " 1435 " 1355 " 297.1 " 24.94" 5
6 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 7940 " 1329 " 1245 " 297.0 " 24.01" 6
7 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 11323 # 1451 " 1127 " 287.1 " 22.26" 7
8 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 12959 # 2918 " 1036 " 267.9 " 21.12" 8
9 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 8700 " 3213 " 967.7 " 248.1 " 19.59" 9
10 0.00& 0.00& 0.00& 0.00& 0.00& [ ] [ ] 6744 " 5259 " 887.5 " 248.6 " 17.81" 10
11 0.00& 0.00& 0.00& 0.00& 14.42& [ ] [ ] 6252 "10006 " 805.3 " 242.1 " 16.36" 11
12 0.00& 0.00& 0.00& 0.00& 18.28" [ ] [ ] 5854 "10454 " 713.8 " 216.1 " 14.72" 12
13 0.00& 0.00& 0.00& 0.00& 27.75" [ ] [ ] 6039 " 9427 " 633.4 " 191.2 " 13.55" 13
14 0.00& 0.00& 0.00& 0.00& 33.98" [ ] [ ] 5455 " 6530 " 829.4 " 176.6 " 13.55" 14
15 0.00& 0.00& 0.00& 0.00& 22.56" [ ] [ ] 6250 " 6088 " 1284 " 166.2 " 13.83" 15
16 0.00& 0.00& 0.00& 0.00& 16.43" [ ] [ ] 5503 " 5140 " 1225 " 150.1 " 12.22& 16
17 0.00& 0.00& 0.00& 0.00& 12.17& [ ] [ ] 4718 " 4711 " 1753 " 136.1 " 10.31& 17
18 0.00& 0.00& 0.00& 0.00& 10.18& [ ] [ ] 4408 " 4340 " 1462 " 122.3 " 10.01& 18
19 0.00& 0.00& 0.00& 0.00& 9.11& [ ] [ ] 3866 " 3707 " 1313 " 107.3 " 8.62& 19
20 0.00& 0.00& 0.00& 0.00& 8.32& [ ] [ ] 3992 " 3150 " 1021 " 91.10" 7.53& 20
21 0.00& 0.00& 0.00& 0.00& 15.23& [ ] [ ] 3512 " 2792 " 838.6 " 80.20" 6.40& 21
22 0.00& 0.00& 0.00& 0.00& 28.23" [ ] [ ] 3322 " 2645 " 719.4 " 73.41" 5.54& 22
23 0.00& 0.00& 0.00& 0.00& 32.25" [ ] [ ] 3210 " 2467 " 663.6 " 68.18" 5.43& 23
24 0.00& 0.00& 0.00& 0.00& 25.40" [ ] [ ] 2789 " 3086 " 652.9 " 60.92" 4.78& 24
25 0.00& 0.00& 0.00& 0.00& 19.65" [ ] [ ] 2439 " 3925 " 739.0 " 51.65" 4.26& 25
26 0.00& 0.00& 0.00& 0.00& 16.58" [ ] [ ] 2199 " 3549 " 673.4 " 46.37" 3.93& 26
27 0.00& 0.00& 0.00& 0.00& 14.66" [ ] [ ] 2021 " 3267 " 604.2 " 42.05" 3.62& 27
28 0.00& 0.00& 0.00& 0.00& [ ] [ ] 7696 " 1864 " 3914 " 531.8 " 36.21" 3.36& 28
29 0.00& 0.00& 0.00& [ ] [ ] 6199 " 1698 " 3197 " 500.8 " 32.72" 3.24& 29
30 0.00& 0.00& 0.00& [ ] [ ] 5902 " 1703 " 2661 " 495.8 " 29.22" 2.80& 30
31 0.00& 0.00& [ ] 5380 " 1832 " 453.2 " 2.57& 31
Mean 0.000& 0.000& 0.000& 0.000& 12.04 & [ ] 6294 "4696 #3924 "1024 " 172.2 " 13.17 &
Median 0.000& 0.000& 0.000& 0.000& 12.17 & [ ] 6051 "3992 #3205 " 887.5 " 158.2 " 12.22 &
Maximum 0.00& 0.00& 0.00& 0.00& 33.98& [ ] 7696 "12959 #10454 " 2207 " 404.7 " 28.43&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& [ ] 5380 "1698 #1329 " 453.2 " 29.22 " 2.574&
Total 0.0& 0.0& 0.0& 0.0& 325.2& [ ] 25177 "145577 #117709 " 31737 " 5166 " 408.3&
Missing Days 0 0 0 0 4 30 27 0 0 0 0 0
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1073 & " ... Relative Uncertainty +/-10%
Ann. Median 13.69 & # ... Relative Uncertainty +/-15%
Annual Total 326099 & & ... Relative Uncertainty +/-30%
Missing Days 61 [ ... Not Available
Maximum Minimum
Daily 12959 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 2.18& 0.00& 0.00& 0.00& 200.4 " 6288 " 7276 "25583 # 5900 1476 623.9 68.04 1
2 1.93& 0.00& 0.00& 0.00& 175.2 " 6081 " 7996 "34258 # 5942 1367 553.3 58.14 2
3 1.87& 0.00& 0.00& 621.1 & 158.5 " 5495 "10255 "36049 # 5775 1354 500.2 52.76 3
4 1.87& 0.00& 0.00& 3195 " 341.7 " 6723 "11183 #29165 # 5460 1331 456.1 47.77 4
5 1.76& 0.00& 0.00& 4887 " 542.8 " 7853 "12437 #34438 # 4933 1271 435.7 43.63 5
6 1.64& 0.00& 0.00& 3292 " 380.8 " 7036 "11473 #34776 # 4420 1247 424.9 43.35 6
7 1.39& 0.00& 0.00& 1482 " 478.2 " 6147 " 8919 "32332 # 4048 1416 387.9 50.01 7
8 1.14& 0.00& 0.00& 1622 " 498.5 " 5622 " 6868 "25379 # 3683 1353 322.0 48.36 8
9 0.98& 0.00& 0.00& 1732 " 438.3 " 4988 " 6175 "22037 3341 1389 249.8 43.86 9
10 0.70& 0.00& 0.00& 1116 " 487.8 " 4401 " 5383 "18754 3068 1293 240.7 39.74 10
11 0.61& 0.00& 0.00& 835.7 " 1125 " 4062 " 5015 "16766 2958 1240 328.8 37.15 11
12 0.49& 0.00& 0.00& 628.7 " 1562 " 3939 " 4836 "15996 3270 1183 260.3 36.10 12
13 0.17& 0.00& 0.00& 621.3 " 1875 " 3915 " 5284 "17531 3020 1109 354.6 34.48 13
14 0.00& 0.00& 0.00& 1852 " 1492 " 3967 " 6368 "17763 2681 1027 375.4 31.55 14
15 0.00& 0.00& 0.00& 1061 " 1460 " 3963 " 6021 "16187 " 2491 997.0 320.4 29.22 15
16 0.00& 0.00& 0.00& 1007 " 1482 " 3903 " 7861 "14078 ! 2353 986.2 247.5 28.43 16
17 0.00& 0.00& 0.00& 1757 " 1408 " 3769 "11138 #12483 ! 2223 926.0 216.0 25.10 17
18 0.00& 0.00& 0.00& 1861 " 1388 " 3611 "15666 #11356 ! 2225 867.1 213.6 21.57 18
19 0.00& 0.00& 0.00& 1266 " 1237 " 3424 "20504 #12590 ! 2173 841.4 212.7 18.40 19
20 0.00& 0.00& 0.00& 1224 " 1077 " 3248 "17041 #12735 2041 880.0 206.5 15.20 20
21 0.00& 0.00& 0.00& 920.3 " 957.2 " 3081 "14170 #11470 1912 990.0 206.6 12.62 21
22 0.00& 0.00& 0.00& 783.1 " 825.8 " 3026 "13235 #11492 1912 893.9 191.9 11.06 22
23 0.00& 0.00& 0.00& 692.7 " 714.4 " 3091 "11506 #10865 1802 958.0 185.6 8.66 23
24 0.00& 0.00& 0.00& 598.3 " 774.7 " 3171 "14273 #10029 1704 965.3 178.4 8.11 24
25 0.00& 0.00& 0.00& 541.6 " 1332 " 3632 "17732 # 9247 1669 779.8 167.9 7.78 25
26 0.00& 0.00& 0.00& 444.5 " 2995 " 5227 "19657 # 8175 1702 756.5 141.6 7.78 26
27 0.00& 0.00& 0.00& 389.3 " 4954 " 7938 "19126 # 7411 1705 783.3 121.2 7.78 27
28 0.00& 0.00& 0.00& 339.6 " 5397 " 9252 "13614 # 6837 1673 743.7 106.6 7.57 28
29 0.00& 0.00& 285.5 " 5984 " 8671 "14877 # 6491 1644 732.0 91.19 7.14 29
30 0.00& 0.00& 235.3 " 5994 " 8088 "15626 # 6235 1561 795.1 76.99 6.90 30
31 0.00& 0.00& 5983 " 19641 # 6020 717.9 6.70 31
Mean 0.54& 0.00& 0.00& 1176 & 1733 " 5120 "11650 #17243 ! 2976 1054 279.9 27.90
Median 0.00& 0.00& 0.00& 878.0 & 1125 " 4231 "11473 #14078 ! 2422 990.0 244.1 28.43
Maximum 2.18& 0.00& 0.00& 4887 & 5994 " 9252 "20504 #36049 ! 5942 1476 623.9 68.04
Minimum 0.000& 0.000& 0.000& 0.000& 158.5 "3026 "4836 #6020 !1561 717.9 76.99 6.699
Total 16.7& 0.0& 0.0& 35292 & 53720 "153610 "361158 #534527 ! 89289 32670 8398 865.0
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 3478 ! ! ... Not reviewed / Quality not known
Ann. Median 783.3 ! " ... Relative Uncertainty +/-10%
Annual Total 1269544! # ... Relative Uncertainty +/-15%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 36049 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 6.20 0.00& 0.00& 0.00& 51.08 374.4 997.5 12630 1923 658.5 172.7 35.54 1
2 5.47 0.00& 0.00& 0.00& 49.93 502.3 900.3 8706 1906 609.9 158.6 30.85 2
3 4.99 0.00& 0.00& 2.84& 48.95 348.1 751.3 7071 1887 559.9 146.4 26.33 3
4 4.82 0.00& 0.00& 9.52 141.3 277.5 624.7 5603 1489 525.6 137.5 25.49 4
5 4.97 0.00& 0.00& 8.29 385.7 294.5 584.7 4562 1304 599.3 128.0 22.87 5
6 4.19 0.00& 0.00& 7.36 302.2 357.0 542.1 3798 1169 770.2 118.0 19.77 6
7 3.72 0.00& 0.00& 5.13 151.2 680.2 526.0 3279 1097 658.8 110.2 17.50 7
8 3.75 0.00& 0.00& 5.24 105.9 561.9 521.5 3102 1071 638.8 104.2 15.74 8
9 4.17 0.00& 0.00& 4.63 90.23 467.7 509.6 2794 977.9 616.3 95.64 16.25 9
10 4.41 0.00& 0.00& 4.27 79.26 435.9 464.7 2659 916.7 608.3 88.29 38.96 10
11 4.15 0.00& 0.00& 4.73 71.84 390.1 905.7 2559 865.4 560.9 86.15 18.24 11
12 3.79 0.00& 0.00& 3.81 69.71 311.6 1748 2259 833.6 537.6 82.94 16.55 12
13 3.77 0.00& 0.00& 3.50 67.31 285.4 1607 1981 811.6 517.2 78.97 16.40 13
14 3.44& 0.00& 0.00& 3.49 74.05 267.3 1425 1764 779.9 460.9 75.05 14.60 14
15 2.79& 0.00& 0.00& 3.67 74.50 250.7 1534 1569 863.7 485.9 69.38 11.74 15
16 1.95& 0.00& 0.00& 4.39 72.62 451.0 1514 1517 1362 529.4 75.27 9.06 16
17 1.61& 0.00& 0.00& 7.67 72.24 617.8 1931 2638 1321 618.9 102.4 7.76 17
18 1.51& 0.00& 0.00& 32.29 69.03 420.4 2134 3959 1155 786.8 104.6 6.85 18
19 1.33& 0.00& 0.00& 25.25 64.56 366.5 1819 5439 1110 765.0 100.1 6.81 19
20 1.15& 0.00& 0.00& 241.5 76.40 397.9 2643 5803 1682 655.9 88.45 7.12 20
21 1.05& 0.00& 0.00& 178.9 117.7 455.2 2512 5411 1865 716.7 79.55 7.16 21
22 0.62& 0.00& 0.00& 122.2 108.5 416.9 2575 4305 1704 533.4 72.32 6.44 22
23 0.45& 0.00& 0.00& 91.53 92.69 475.7 2248 3453 1440 412.5 64.30 5.46 23
24 0.36& 0.00& 0.00& 76.11 87.79 639.6 2148 3791 1414 356.6 57.41 4.60 24
25 0.23& 0.00& 0.00& 61.44 86.03 756.6 1966 4139 1277 338.1 57.05 3.98 25
26 0.16& 0.00& 0.00& 58.47 85.10 1903 1710 5566 1194 307.7 54.64 3.44& 26
27 0.09& 0.00& 0.00& 56.90 103.5 1739 6679 4867 1055 282.1 50.00 3.06& 27
28 0.01& 0.00& 0.00& 57.91 238.7 1590 8529 3213 899.8 254.2 45.13 2.52& 28
29 0.00& 0.00& 57.91 221.4 1398 14370 2504 808.0 224.8 42.77 2.41& 29
30 0.00& 0.00& 54.51 267.7 1189 21516 2131 721.4 205.4 39.48 2.40& 30
31 0.00& 0.00& 278.7 18820 1906 184.3 2.32& 31
Mean 2.425& 0.000& 0.000& 39.78 & 122.8 620.7 3444 4032 1230 515.5 89.52 13.17 &
Median 1.951& 0.000& 0.000& 7.977& 86.03 443.4 1710 3453 1162 537.6 84.54 9.065&
Maximum 6.20& 0.00& 0.00& 241.5 & 385.7 1903 21516 12630 1923 786.8 172.7 38.96&
Minimum 0.000& 0.000& 0.000& 0.000& 48.95 250.7 464.7 1517 721.4 184.3 39.48 2.321&
Total 75.2& 0.0& 0.0& 1194 & 3806 18621 106756 124977 36904 15980 2686 408.2&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 853.2 & & ... Relative Uncertainty +/-30%
Ann. Median 90.23 &
Annual Total 311406 &
Maximum Minimum
Daily 21516 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 2.418& 0.001& 40.48 3.146& 49.28 & 513.8 $ 690.6 $ 307.6 $2138 # 539.1 $ 66.40 & 28.76 & 1
2 2.258& 0.000& 20.88 3.146& 49.20 & 412.6 $1028 $ 285.8 &1676 # 554.7 $ 60.09 & 25.37 & 2
3 1.837& 0.000& 10.66 3.114& 48.77 & 389.7 $ 870.2 $ 248.5 &1745 # 779.2 $ 54.26 & 23.34 & 3
4 1.602& 0.000& 7.359 3.097& 48.37 & 345.9 $ 768.3 $ 373.4 &1784 # 955.4 $ 49.30 & 21.92 & 4
5 1.394& 0.000& 5.769 3.156& 47.08 & 307.2 $ 898.2 $ 417.0 $2465 # 777.5 $ 46.85 & 19.07 & 5
6 1.577& 0.000& 4.361 3.164& 42.56 & 253.6 & 746.5 $ 353.0 $3157 # 693.9 $ 44.03 & 16.49 & 6
7 3.301& 0.000& 3.607& 3.146& 38.58 & 220.0 & 665.7 $ 533.7 $2739 # 626.4 $ 69.51 & 15.22 & 7
8 14.54 & 0.000& 3.351& 3.480& 37.35 & 196.7 & 601.8 $ 756.1 $1924 # 576.2 $ 115.6 & 14.43 & 8
9 20.22 0.000& 2.787& 3.340& 35.10 & 167.5 & 534.0 $ 700.6 $1491 # 522.7 $ 110.0 & 12.32 & 9
10 20.26 0.000& 2.500& 3.587& 32.43 & 153.0 & 470.2 $ 681.5 $1247 $ 453.6 $ 209.4 & 13.81 & 10
11 16.09 0.000& 2.269& 5.054& 31.58 & 139.3 & 423.3 $ 647.8 $1074 $ 395.2 $ 293.1 & 14.76 & 11
12 11.77 0.000& 2.042& 6.425& 31.52 & 127.0 & 386.4 $ 638.7 $ 943.5 $ 352.3 $ 322.6 $ 14.27 & 12
13 9.240 0.000& 2.817& 26.23 & 31.17 & 119.5 & 359.2 $ 786.5 $ 843.6 " 324.6 $ 311.0 $ 12.37 & 13
14 6.814 0.000& 5.552 37.04 & 61.29 & 115.5 & 335.2 $2927 $ 754.2 $ 295.1 & 252.2 & 11.43 & 14
15 5.688 0.000& 3.977& 203.3 & 531.5 $ 112.7 & 302.5 $6758 # 685.0 $ 238.4 & 161.1 & 9.302& 15
16 4.673 0.000& 2.954& 347.3 & 410.4 $ 108.6 & 268.9 &8108 # 623.4 $ 186.4 & 133.2 & 8.301& 16
17 3.621& 0.000& 5.374& 160.9 & 353.2 $ 105.3 & 229.7 &8633 # 577.8 $ 166.0 & 106.8 & 7.782& 17
18 2.961& 0.000& 8.266& 148.6 & 313.6 $ 101.7 & 188.2 &7014 # 762.8 $ 158.6 & 87.14 & 6.918& 18
19 1.926& 0.000& 7.305& 130.7 & 258.8 & 101.9 & 167.1 &5102 # 702.8 $ 238.2 & 73.12 & 6.269& 19
20 1.564& 0.000& 6.785& 121.2 & 271.4 & 126.5 & 176.4 &3867 # 577.6 $ 280.6 & 62.53 & 5.271& 20
21 1.279& 0.000& 5.924& 107.8 & 393.2 $ 160.7 & 271.6 &2823 # 528.6 $ 193.7 & 53.52 & 5.013& 21
22 1.079& 0.000& 5.645& 86.96 & 306.3 & 734.5 $ 267.1 &2197 # 477.9 $ 153.9 & 49.58 & 4.895& 22
23 0.794& 0.000& 5.022& 94.52 & 294.3 & 800.9 $ 216.4 &1749 # 443.0 $ 148.0 & 51.06 & 4.913& 23
24 0.569& 0.000& 4.532& 88.93 & 209.0 & 677.7 $ 297.5 &1443 # 415.5 $ 134.5 & 48.03 & 5.203& 24
25 0.457& 0.000& 4.032& 71.80 & 215.3 & 790.1 $ 338.3 $1265 # 388.6 $ 125.4 & 43.69 & 5.260& 25
26 0.317& 0.000& 3.595& 62.85 & 180.7 & 631.3 $ 310.4 $1141 $ 376.4 $ 112.6 & 39.90 & 4.806& 26
27 0.233& 0.000& 3.416& 61.13 & 151.8 & 530.1 $ 300.3 #1059 $ 388.5 $ 101.9 & 37.08 & 3.851& 27
28 0.172& 0.000& 3.343& 60.99 & 131.8 & 516.4 $ 298.8 #1129 $ 506.0 $ 91.69 & 35.22 & 3.315& 28
29 0.140& 66.50 & 3.304& 56.62 & 156.5 & 616.9 $ 305.3 #1333 # 472.9 $ 82.77 & 34.74 & 2.816& 29
30 0.130& 3.187& 52.28 & 339.0 & 717.8 $ 318.4 $1266 # 508.1 $ 74.98 & 33.07 & 2.375& 30
31 0.063& 3.142& 456.2 $ 319.2 $1694 # 71.67 & 2.014& 31
Mean 4.484& 2.293& 6.266& 65.43 & 179.3 & 343.1 & 430.8 &2137 &1081 $ 335.7 & 101.8 & 10.71 &
Median 1.837& 0.000& 4.032& 54.45 & 151.8 & 236.8 & 319.2 &1141 & 728.5 $ 238.4 & 61.31 & 8.301&
Maximum 20.26 & 66.50 & 40.48 & 347.3 & 531.5 & 800.9 &1028 &8633 &3157 $ 955.4 & 322.6 & 28.76 &
Minimum 0.063& 0.000& 2.042& 3.097& 31.17 & 101.7 & 167.1 & 248.5 & 376.4 $ 71.67 & 33.07 & 2.014&
Total 139.0 & 66.51& 194.2 & 1963 & 5557 &10294 &13354 &66236 &32418 $10406 & 3054 & 331.9 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 393.5 & " ... Relative Uncertainty +/-10%
Ann. Median 98.09 & # ... Relative Uncertainty +/-15%
Annual Total 144014 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 8633 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 2.511& 0.000& 0.000& 0.000& 0.000& 52.26 154.4 352.0 497.4 210.5 524.9 8.517 1
2 1.573& 0.000& 0.000& 0.000& 0.000& 49.07 234.5 756.1 446.1 221.3 861.4 8.066 2
3 1.287& 0.000& 0.000& 0.000& 0.000& 47.41 218.2 659.1 414.9 263.2 578.7 7.555 3
4 1.284& 0.000& 0.000& 0.000& 0.000& 47.48 166.2 802.7 373.5 251.4 537.1 7.442 4
5 1.030& 0.000& 0.000& 0.000& 0.000& 88.35 145.8 711.6 329.6 184.0 392.9 7.252 5
6 0.640& 0.000& 0.000& 0.000& 0.000& 113.9 140.2 599.2 308.5 147.4 276.9 6.564 6
7 0.510& 0.000& 0.000& 0.000& 0.000& 88.47 137.6 517.9 392.4 129.4 207.0 5.671 7
8 0.425& 0.000& 0.000& 0.000& 0.000& 73.11 134.7 1088 458.4 172.6 159.0 4.752 8
9 0.243& 0.000& 0.000& 0.000& 0.000& 77.37 134.1 1312 372.9 182.1 124.7 3.785& 9
10 0.143& 0.000& 0.000& 0.000& 0.000& 86.14 134.2 2235 325.4 159.0 103.5 2.844& 10
11 0.071& 0.000& 0.000& 0.000& 0.000& 97.11 138.3 2859 307.9 156.2 85.63 2.178& 11
12 0.005& 0.000& 0.000& 0.000& 0.000& 126.3 141.9 2774 276.9 183.8 75.14 1.819& 12
13 0.000& 0.000& 0.000& 0.000& 5.851& 121.2 144.2 3310 251.0 182.5 63.22 1.509& 13
14 0.000& 0.000& 0.000& 0.000& 9.308 190.5 128.0 3165 225.2 148.4 52.52 1.269& 14
15 0.000& 0.000& 0.000& 0.000& 11.26 370.0 120.1 2531 213.2 121.9 47.01 1.131& 15
16 0.000& 0.000& 0.000& 0.000& 108.5 546.9 111.1 2071 235.3 108.8 41.82 0.969& 16
17 0.000& 0.000& 0.000& 0.000& 129.0 637.5 147.4 1757 271.3 99.00 35.47 0.637& 17
18 0.000& 0.000& 0.000& 0.000& 120.8 534.2 337.0 1673 266.3 88.37 30.31 0.494& 18
19 0.000& 0.000& 0.000& 0.000& 100.8 444.9 455.3 1998 228.7 79.33 24.17 0.429& 19
20 0.000& 0.000& 0.000& 0.000& 62.10 374.0 861.0 1774 197.7 70.33 20.99 0.295& 20
21 0.000& 0.000& 0.000& 0.000& 45.54 328.4 981.1 1535 181.7 62.66 17.47 0.165& 21
22 0.000& 0.000& 0.000& 0.000& 41.54 272.1 742.6 1433 174.0 53.21 14.56 0.088& 22
23 0.000& 0.000& 0.000& 0.000& 47.46 226.5 632.0 1346 169.7 49.40 13.08 0.048& 23
24 0.000& 0.000& 0.000& 0.000& 49.71 191.8 575.1 1191 167.5 44.42 11.42 0.000& 24
25 0.000& 0.000& 0.000& 0.000& 88.67 167.0 476.1 1099 156.0 40.87 10.74 0.000& 25
26 0.000& 0.000& 0.000& 0.000& 104.7 168.9 413.4 1003 140.0 38.23 13.57 0.000& 26
27 0.000& 0.000& 0.000& 0.000& 98.61 188.3 350.7 917.7 134.6 37.45 16.87 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 82.58 164.2 297.8 872.5 127.6 54.08 15.65 0.000& 28
29 0.000& 0.000& 0.000& 70.80 145.6 264.4 735.0 123.1 59.65 12.73 0.000& 29
30 0.000& 0.000& 0.000& 66.49 145.9 244.1 642.7 125.3 89.65 10.85 0.000& 30
31 0.000& 0.000& 58.81 221.6 571.5 109.4 0.000& 31
Mean 0.314& 0.000& 0.000& 0.000& 42.02 & 205.5 302.7 1429 263.1 122.5 146.0 2.370&
Median 0.000& 0.000& 0.000& 0.000& 41.54 & 155.0 218.2 1191 243.2 109.4 44.41 0.969&
Maximum 2.511& 0.000& 0.000& 0.000& 129.0 & 637.5 981.1 3310 497.4 263.2 861.4 8.517&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 47.41 111.1 352.0 123.1 37.45 10.74 0.000&
Total 9.72& 0.00& 0.00& 0.00& 1303 & 6165 9383 44293 7892 3798 4379 73.48&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 211.8 & & ... Relative Uncertainty +/-30%
Ann. Median 40.87 &
Annual Total 77297 &
Maximum Minimum
Daily 3310 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.00& 0.00& 0.00& 0.00& 40.23 162.3 1546 2932 723.6 768.4 40.84 6.07 1
2 0.00& 0.00& 0.00& 0.00& 32.85 168.3 1377 2557 784.4 1113 36.18 5.96 2
3 0.00& 0.00& 0.00& 0.00& 29.30 191.5 1361 2269 757.2 931.4 36.16 5.79 3
4 0.00& 0.00& 0.00& 0.00& 25.71 215.9 1053 2049 668.2 804.9 36.85 5.76 4
5 0.00& 0.00& 0.00& 0.00& 21.87 226.0 865.7 2351 600.1 795.8 36.30 5.54 5
6 0.00& 0.00& 0.00& 0.00& 19.87 242.9 903.4 2193 528.4 986.2 35.01 5.38 6
7 0.00& 0.00& 0.00& 0.00& 18.08 205.8 971.7 2402 459.3 760.9 32.86 5.36 7
8 0.00& 0.00& 0.00& 0.00& 16.13 171.0 899.8 2843 414.3 610.0 29.24 5.08 8
9 0.00& 0.00& 0.00& 0.00& 14.13 166.0 796.2 2165 422.9 510.7 27.71 4.57 9
10 0.00& 0.00& 0.00& 0.00& 12.22 171.1 713.3 1724 606.9 430.2 26.22 4.04 10
11 0.00& 0.00& 0.00& 0.00& 10.94 188.2 669.9 1472 986.6 369.5 23.18 3.71& 11
12 0.00& 0.00& 0.00& 0.00& 8.61 189.7 779.3 1346 905.9 296.9 20.35 3.08& 12
13 0.00& 0.00& 0.00& 0.00& 8.81 181.7 773.1 1250 806.0 254.4 18.32 2.93& 13
14 0.00& 0.00& 0.00& 0.00& 16.74 177.2 886.4 1156 724.9 226.1 16.36 2.82& 14
15 0.00& 0.00& 0.00& 0.00& 48.19 180.9 3396 1084 1029 208.8 14.57 2.34& 15
16 0.00& 0.00& 0.00& 0.00& 262.8 169.0 4906 1044 1192 193.3 12.55 1.93& 16
17 0.00& 0.00& 0.00& 0.00& 251.1 143.1 10395 1037 841.0 173.7 12.75 1.76& 17
18 0.00& 0.00& 0.00& 0.00& 153.3 129.7 14136 1219 795.6 159.4 12.66 2.04& 18
19 0.00& 0.00& 0.00& 0.00& 159.5 123.6 11738 1600 914.6 144.1 11.56 3.17& 19
20 0.00& 0.00& 0.00& 2.47& 298.0 135.4 11837 1384 1027 130.1 10.80 9.90 20
21 0.00& 0.00& 0.00& 20.28 524.8 148.8 18603 1266 880.5 119.2 9.12 13.55 21
22 0.00& 0.00& 0.00& 238.1 633.0 480.9 23615 # 1202 817.2 110.3 7.82 12.74 22
23 0.00& 0.00& 0.00& 344.3 427.5 1053 22396 # 1178 931.6 101.6 6.98 10.47 23
24 0.00& 0.00& 0.00& 345.8 292.5 1066 13656 1118 967.9 93.69 6.51 9.52 24
25 0.00& 0.00& 0.00& 258.1 416.0 937.4 11283 1074 920.3 85.88 6.59 8.70 25
26 0.00& 0.00& 0.00& 167.6 348.5 854.9 9467 1015 843.6 78.40 6.56 7.55 26
27 0.00& 0.00& 0.00& 114.0 297.1 1737 11069 927.3 785.7 71.21 6.57 6.33 27
28 0.00& 0.00& 0.00& 82.58 305.9 1707 7197 843.9 909.8 64.30 6.65 5.25 28
29 0.00& 0.00& 63.05 304.5 1715 5150 863.2 745.5 57.93 6.63 4.35 29
30 0.00& 0.00& 48.70 229.9 1522 4265 870.9 622.5 52.04 6.30 3.77 30
31 0.00& 0.00& 181.0 3519 794.3 46.29 3.24& 31
Mean 0.000& 0.000& 0.000& 56.17 & 174.5 492.1 6459 #1524 787.1 346.7 18.67 5.571&
Median 0.000& 0.000& 0.000& 0.000& 153.3 189.0 3519 #1250 800.8 193.3 13.66 5.253&
Maximum 0.00& 0.00& 0.00& 345.8 & 633.0 1737 23615 # 2932 1192 1113 40.84 13.55&
Minimum 0.000& 0.000& 0.000& 0.000& 8.615 123.6 669.9 # 794.3 414.3 46.29 6.298 1.763&
Total 0.0& 0.0& 0.0& 1685 & 5409 14762 200224 # 47230 23612 10749 560.2 172.7&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 834.0 & # ... Relative Uncertainty +/-15%
Ann. Median 36.30 & & ... Relative Uncertainty +/-30%
Annual Total 304405 &
Maximum Minimum
Daily 23615 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 2.626& 0.000& 49.41 5.984 27.14 135.7 808.9 518.2 736.2 192.3 29.35 12.75 1
2 2.230& 0.000& 36.97 5.340 26.68 135.8 694.1 447.0 721.1 198.8 28.07 11.32 2
3 1.795& 0.000& 25.29 4.522 23.91 141.2 597.7 390.8 657.3 190.6 26.38 8.944 3
4 1.412& 0.000& 18.64 4.397 22.32 145.7 598.9 343.7 580.6 174.3 25.01 8.400 4
5 0.921& 0.000& 12.17 4.125 21.13 133.0 580.8 313.6 496.2 164.2 22.68 8.174 5
6 0.693& 0.000& 8.383 4.105 20.64 124.6 899.3 326.4 484.2 153.8 21.76 7.491 6
7 0.589& 0.000& 6.495 3.311& 19.55 112.0 1018 397.0 476.3 146.3 22.98 7.323 7
8 0.506& 0.000& 4.999 3.305& 18.85 109.2 928.9 399.7 457.8 141.0 29.08 7.145 8
9 0.450& 0.000& 3.934 4.138& 17.72 123.8 854.6 358.4 491.1 135.0 35.33 7.105 9
10 0.335& 0.000& 3.477& 3.063& 16.47 199.1 907.8 344.0 513.7 123.2 43.60 6.836 10
11 0.214& 0.000& 2.832& 2.953& 16.74 557.3 1104 328.6 444.0 118.5 46.61 6.243 11
12 0.183& 0.000& 2.002& 2.764& 17.71 492.6 1003 302.3 407.2 115.9 52.95 5.712 12
13 0.136& 0.000& 1.685& 2.730& 17.12 467.1 944.7 281.0 383.4 110.9 98.34 5.126 13
14 0.049& 0.000& 1.800& 3.714& 16.34 522.7 1144 268.0 373.2 105.0 145.2 4.580 14
15 0.004& 0.000& 22.73 & 4.500 16.44 377.0 1088 262.0 366.7 98.07 95.66 4.282 15
16 0.000& 0.000& 38.17 40.56 15.68 303.9 906.2 276.6 378.3 93.81 64.78 4.030 16
17 0.000& 0.000& 37.39 52.95 15.61 372.0 844.4 1164 357.8 87.86 60.65 3.940 17
18 0.000& 0.000& 30.72 57.17 15.60 315.7 830.1 1454 315.5 81.35 61.86 3.114& 18
19 0.000& 0.000& 22.29 78.71 17.14 290.2 980.5 3198 281.4 76.53 58.64 2.678& 19
20 0.000& 8.074& 15.07 78.11 36.69 246.7 843.7 3436 266.6 77.59 48.39 2.474& 20
21 0.000& 48.52 13.79 65.29 97.03 247.5 705.8 4006 308.7 100.5 43.68 2.339& 21
22 0.000& 41.02 12.10 56.86 143.2 229.4 645.2 3469 367.8 100.6 40.35 2.085& 22
23 0.000& 27.08 15.48 45.93 118.4 904.5 584.1 2675 307.9 84.96 36.77 1.794& 23
24 0.000& 42.29 19.09 41.34 151.7 1155 519.7 2226 276.3 77.51 33.43 1.578& 24
25 0.000& 36.63 16.47 40.23 142.2 1246 471.4 2112 272.1 66.20 29.46 1.338& 25
26 0.000& 95.27 12.94 39.90 107.2 1266 438.1 1644 273.4 54.74 26.29 1.067& 26
27 0.000& 93.31 10.92 40.56 124.1 1215 406.6 1407 277.1 46.68 22.77 0.769& 27
28 0.000& 67.84 9.311 34.68 250.5 1190 400.7 1194 250.0 40.68 20.32 0.573& 28
29 0.000& 7.845 31.13 238.4 1215 631.3 980.7 221.6 36.32 17.67 0.456& 29
30 0.000& 7.319 29.14 195.5 963.9 606.8 880.6 207.8 33.75 14.04 0.296& 30
31 0.000& 6.511 159.7 551.1 783.3 31.13 0.172& 31
Mean 0.392& 16.43 & 15.36 & 26.38 & 68.62 497.9 759.3 1167 398.4 105.1 43.40 4.520&
Median 0.000& 0.000& 12.17 & 17.56 & 22.32 309.8 808.9 518.2 370.5 100.5 34.38 4.030&
Maximum 2.626& 95.27 & 49.41 & 78.71 & 250.5 1266 1144 4006 736.2 198.8 145.2 12.75 &
Minimum 0.000& 0.000& 1.685& 2.730& 15.60 109.2 400.7 262.0 207.8 31.13 14.04 0.172&
Total 12.14& 460.0 & 476.3 & 791.5 & 2127 14937 23539 36188 11951 3258 1302 140.1 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 260.8 & & ... Relative Uncertainty +/-30%
Ann. Median 43.68 &
Annual Total 95182 &
Maximum Minimum
Daily 4006 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.099& 0.000& 0.000& 0.000& 6.969" 254.2 "1200 "1885 "1036 " 337.7 " 116.0 " 20.83 " 1
2 0.003& 0.000& 0.000& 0.000& 6.786" 242.1 "1028 "1407 " 961.0 " 299.8 " 101.8 " 18.87 " 2
3 0.000& 0.000& 0.000& 0.000& 6.768" 245.9 " 853.8 "1240 " 869.9 " 274.5 " 93.56 " 16.58 " 3
4 0.000& 0.000& 0.000& 0.000& 6.816" 222.4 " 709.4 "1115 " 793.5 " 270.4 " 85.90 " 14.89 " 4
5 0.000& 0.000& 0.000& 0.000& 132.7 & 232.9 " 737.2 "1225 " 687.0 " 277.2 " 79.94 " 12.86 " 5
6 0.000& 0.000& 0.000& 0.000& 346.6 " 205.6 " 613.9 "1287 " 654.4 " 253.3 " 75.86 " 11.01 " 6
7 0.000& 0.000& 0.000& 0.000& 283.7 " 173.6 " 512.8 "1068 " 668.7 " 247.7 " 68.64 " 10.00 " 7
8 0.000& 0.000& 0.000& 0.000& 197.9 " 154.1 " 445.8 " 949.4 " 721.0 " 226.4 " 60.77 " 8.339" 8
9 0.000& 0.000& 0.000& 0.000& 214.1 " 135.0 " 403.0 "1663 " 616.9 " 201.7 " 52.32 " 7.426" 9
10 0.000& 0.000& 0.000& 0.000& 182.7 " 116.9 " 638.4 "1781 " 524.8 " 182.2 " 47.43 & 6.940" 10
11 0.000& 0.000& 0.000& 0.000& 139.1 " 106.9 "1332 "1252 " 468.8 " 164.4 " 44.32 & 6.241" 11
12 0.000& 0.000& 0.000& 0.000& 120.8 " 97.94 "2998 "1100 " 431.7 " 151.0 " 41.30 & 6.030" 12
13 0.000& 0.000& 0.000& 0.000& 94.97 " 94.17 "2832 " 993.7 " 405.2 " 139.0 " 55.74 & 6.065" 13
14 0.000& 0.000& 0.000& 0.000& 77.90 " 96.42 "2218 " 866.3 " 528.2 " 128.8 " 55.46 " 5.797" 14
15 0.000& 0.000& 0.000& 0.000& 64.96 " 121.7 "1911 " 796.4 " 471.2 " 123.3 " 48.63 & 5.158" 15
16 0.000& 0.000& 0.000& 0.000& 58.57 " 167.5 "2897 " 732.3 " 426.7 " 230.5 " 42.08 & 4.034" 16
17 0.000& 0.000& 0.000& 0.000& 51.87 " 164.9 "2013 " 674.1 " 422.2 " 213.0 " 38.11 & 3.300" 17
18 0.000& 0.000& 0.000& 0.000& 46.08 & 135.2 "1738 "1056 " 372.0 " 209.1 " 42.22 & 2.969" 18
19 0.000& 0.000& 0.000& 0.000& 39.89 & 119.5 "1443 "1030 " 334.5 " 353.6 " 45.78 & 2.617" 19
20 0.000& 0.000& 0.000& 0.000& 34.95 & 116.2 "1303 " 818.7 " 301.4 " 375.4 " 42.43 & 2.207" 20
21 0.000& 0.000& 0.000& 0.000& 32.16 & 202.1 "1231 " 941.4 " 295.5 " 536.8 " 32.35 & 1.800" 21
22 0.000& 0.000& 0.000& 46.07 & 31.27 &1402 "1074 "1032 " 782.7 " 528.9 " 26.64 " 1.738" 22
23 0.000& 0.000& 0.000& 50.32 56.06 &1078 " 935.4 " 826.5 " 904.3 " 408.1 " 23.24 " 1.867" 23
24 0.000& 0.000& 0.000& 30.88 67.73 "1084 " 894.4 " 742.2 " 718.0 " 325.4 " 20.57 " 1.865" 24
25 0.000& 0.000& 0.000& 20.90 ! 79.56 "1400 " 953.4 " 664.8 " 533.3 " 319.8 " 22.95 & 2.722" 25
26 0.000& 0.000& 0.000& 15.86 ! 59.29 "1267 "1449 "1388 " 409.1 " 293.5 " 31.31 & 3.016" 26
27 0.000& 0.000& 0.000& 12.56 " 76.94 "1050 "2061 "1453 " 351.8 " 252.6 " 34.42 & 3.086" 27
28 0.000& 0.000& 0.000& 10.45 " 91.76 " 774.9 "1746 "1277 " 334.0 " 216.3 " 33.44 & 3.024" 28
29 0.000& 0.000& 0.000& 8.652" 113.8 " 895.0 "1520 "1159 " 422.7 " 184.4 " 28.23 & 2.705" 29
30 0.000& 0.000& 7.641" 175.5 "1790 "1483 "1247 " 390.6 " 156.5 " 23.54 " 2.674" 30
31 0.000& 0.000& 239.8 " 1688 "1083 " 134.0 " 3.049" 31
Mean 0.003& 0.000& 0.000& 6.778! 101.2 & 471.5 "1383 "1121 " 561.2 " 258.6 " 50.50 & 6.442"
Median 0.000& 0.000& 0.000& 0.000! 76.94 & 203.9 "1303 "1083 " 498.0 " 247.7 " 43.38 & 4.034"
Maximum 0.099& 0.000& 0.000& 50.32 ! 346.6 &1790 "2998 "1885 "1036 " 536.8 " 116.0 & 20.83 "
Minimum 0.000& 0.000& 0.000& 0.000! 6.768& 94.17 " 403.0 " 664.8 " 295.5 " 123.3 " 20.57 & 1.738"
Total 0.10& 0.00& 0.00& 203.3 ! 3138 &14144 "42863 "34752 "16837 " 8015 " 1515 & 199.7 "
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 332.4 ! ! ... Not reviewed / Quality not known
Ann. Median 55.60 ! " ... Relative Uncertainty +/-10%
Annual Total 121668 ! & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2998 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 5.92" 0.00" 0.00" 0.00" 4.90" [ ] 5284 "13385 " 2098 " 862.4 " 152.0 " 69.59" 1
2 8.57" 0.00" 0.00" 0.00" 5.08" [ ] 4237 "12304 " 1953 " 1311 " 149.3 " 64.82" 2
3 7.33" 0.00" 0.00" 0.00" 4.82" [ ] 3520 "10664 " 1825 " 921.9 " 138.0 " 59.97" 3
4 5.49" 0.00" 0.00" 0.00" 4.43" 3421 " 2986 "10445 " 1724 " 782.6 " 124.4 " 56.12" 4
5 3.12" 0.00" 0.00" 0.00" 4.08" 2240 " 2591 " 9926 " 1725 " 704.4 " 111.4 " 53.44" 5
6 2.20" 0.00" 0.00" 0.00" 3.83" 2476 " 2297 " 8935 " 1685 " 647.4 " 103.5 " 49.80& 6
7 2.58" 0.00" 0.00" 0.00" 3.40"17101 " 2117 " 9373 " 1605 " 591.9 " 111.4 " 45.76& 7
8 2.30" 0.00" 0.00" 0.00" 3.26"20701 " 2204 "10054 " 2178 " 545.3 " 127.4 " 44.18& 8
9 1.44" 0.00" 0.00" 0.00" 2.99"28063 " 2111 " 8806 " 2010 " 489.4 " 131.3 " 42.58& 9
10 0.99" 0.00" 0.00" 0.00" 2.91"19545 " 1934 "14230 " 1799 " 442.3 " 112.6 " 448.8 & 10
11 0.73" 0.00" 0.00" 0.00" 3.31"13225 " 1791 "20214 " 1700 " 395.7 " 104.6 " 734.4 " 11
12 0.59" 0.00" 0.00" 1.93" 2.07" 9968 " 1744 "20130 " 1756 " 358.6 " 125.7 " 508.8 " 12
13 0.38" 0.00" 0.00" 5.32" 1.91" 9287 " 1591 "15739 " 1540 " 332.2 " 113.6 " 528.0 " 13
14 0.24" 0.00" 0.00" 4.70" 2.53" 6528 " 1505 "11964 " 1353 " 312.2 " 1505 " 292.6 " 14
15 0.13" 0.00" 0.00" 4.67" 2.94" 4858 " 1510 "12752 " 1222 " 289.3 " 900.8 " 178.1 " 15
16 0.08" 0.00" 0.00" 4.47" 3.11" 4402 " 1475 "12921 " 1154 " 265.6 " 560.7 " 114.3 " 16
17 0.05" 0.00" 0.00" 4.35" 3.83" 3859 " 1675 "12634 " 1210 " 255.0 " 321.7 " 85.88" 17
18 0.02" 0.00" 0.00" 4.67" 4.55" 3220 " 2367 " 9941 " 1146 " 247.4 " 222.0 " 64.07" 18
19 0.01" 0.00" 0.00" 5.06" 2.97" 2732 " 3042 " 8687 " 1073 " 232.9 " 181.5 " 48.91& 19
20 0.00" 0.00" 0.00" 5.27" 2.74" 2513 " 3243 " 8410 " 1143 " 214.1 " 154.7 " 40.05& 20
21 0.00" 0.00" 0.00" 5.05" 3.23" 2402 " 2903 " 7064 " 1114 " 194.7 " 130.2 " 32.01& 21
22 0.00" 0.00" 0.00" 4.52" 4.82" 2083 " 5305 " 6481 " 909.3 " 196.0 " 116.2 " 26.02" 22
23 0.00" 0.00" 0.00" 4.19" 16.83" 1843 "14617 " 5516 " 827.1 " 193.0 " 100.4 " 20.88" 23
24 0.00" 0.00" 0.00" 4.05" 21.53" 1906 "17399 " 4752 " 723.0 " 176.1 " 88.61" 16.96" 24
25 0.00" 0.00" 0.00" 3.90" 208.3 & 3690 "15028 " 4309 " 666.2 " 164.8 " 81.10" 14.44" 25
26 0.00" 0.00" 0.00" 3.84" [ ] 4170 " 9681 " 3884 " 648.4 " 212.3 " 104.4 " 12.18" 26
27 0.00" 0.00" 0.00" 3.70" [ ] 5339 "10773 " 3427 " 625.8 " 278.8 " 134.6 " 10.62" 27
28 0.00" 0.00" 0.00" 3.30" [ ] 7219 "10835 " 3105 " 644.8 " 258.3 " 113.6 " 10.04" 28
29 0.00" 0.00" 3.19" [ ] 7178 " 9524 " 2837 " 622.1 " 211.0 " 92.75" 9.98" 29
30 0.00" 0.00" 3.13" [ ] 6634 " 8973 " 2557 " 592.9 " 181.8 " 77.18" 9.49" 30
31 0.00" 0.00" [ ] 10492 " 2308 " 162.7 " 8.60" 31
Mean 1.360" 0.000" 0.000" 2.643" 12.98 &7282 "5315 "9282 "1309 " 401.0 " 216.4 " 119.4 &
Median 0.083" 0.000" 0.000" 3.495" 3.402&4402 "2986 "9373 "1216 " 278.8 " 125.1 " 48.91 &
Maximum 8.57" 0.00" 0.00" 5.32" 208.3 &28063 "17399 "20214 " 2178 " 1311 " 1505 " 734.4 &
Minimum 0.000" 0.000" 0.000" 0.000" 1.908&1843 "1475 "2308 " 592.9 " 162.7 " 77.18 " 8.597&
Total 42.2" 0.0" 0.0" 79.3" 324.4&196601 "164753 "287754 " 39271 " 12430 " 6491 " 3701 &
Missing Days 0 0 0 0 6 3 0 0 0 0 0 0
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1998 & " ... Relative Uncertainty +/-10%
Ann. Median 112.0 & & ... Relative Uncertainty +/-30%
Annual Total 711448 & [ ... Not Available
Missing Days 9
Maximum Minimum
Daily 28063 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 7.941" 286.9 " 2.836" 3.765" 7.792" 164.8 " 700.4 "1161 "1295 " 643.4 " 93.59 " 154.8 " 1
2 8.240" 226.5 " 2.734" 3.607" 13.78 " 138.4 " 696.0 "3082 "1173 " 609.8 " 89.95 " 165.6 " 2
3 8.227" 177.6 " 2.626" 3.637" 23.88 " 158.6 " 605.7 "2321 "1022 " 596.5 " 86.97 " 158.8 " 3
4 8.006" 136.2 " 2.301" 3.674" 23.81 " 150.0 " 615.1 "2043 " 849.6 " 713.9 " 85.65 " 115.5 " 4
5 8.463" 107.5 " 1.945" 3.660" 19.67 " 125.3 " 603.8 "1742 " 781.0 "1165 " 84.70 " 89.02 " 5
6 8.778" 83.81 " 1.658" [ ] 16.51 " 107.4 " 799.9 "1520 " 707.2 "1017 " 83.25 " 66.00 " 6
7 8.739" 64.56 " 1.387" [ ] 14.81 " 94.77 " 795.5 "2647 " 641.5 " 798.6 " 77.31 " 48.61 & 7
8 8.706" 49.32 & 1.070" [ ] 30.87 & 244.5 " 710.3 "4098 " 590.0 " 640.2 " 67.64 " 40.62 & 8
9 8.721" 38.79 & 0.997" 4.755" 37.91 &1007 " 732.1 "4326 " 554.3 " 583.1 " 59.51 " 34.02 & 9
10 8.445" 31.13 & 1.021" 4.966" 41.85 &1623 " 723.7 "4002 " 518.0 " 617.2 " 52.48 " 33.37 & 10
11 7.451" 25.44 " 0.991" 4.975" 39.51 &1361 " 663.1 "3169 " 481.0 " 525.9 " 47.44 & 34.62 & 11
12 6.539" 22.48 " 0.907" 5.036" 36.70 & 936.7 " 602.2 "2579 " 449.9 " 433.3 " 44.45 & 39.84 & 12
13 5.471" 19.48 " 0.922" 5.169" 33.80 & 922.2 " 540.2 "2150 " 425.8 " 364.0 " 41.50 & 38.81 & 13
14 5.350" 18.46 " 0.859" 5.248" 34.19 &1323 " 480.2 "1852 " 450.0 " 330.3 " 38.43 & 35.21 & 14
15 4.598" 17.21 " 0.748" 5.222" 34.37 &1458 " 507.2 "1652 "1277 " 290.6 " 33.73 & 30.19 & 15
16 3.934" 14.55 " 0.724" 5.222" 34.58 &1984 "1040 "1469 "1852 " 266.0 " 28.78 & 25.53 " 16
17 3.577" 13.85 " 0.629" 5.242" 34.37 &1868 "1225 "1308 "1745 " 229.8 " 25.02 " 22.11 " 17
18 3.395" 13.06 " 0.587" 5.318" 34.37 &2857 "1241 "1215 "1665 " 205.8 " 23.19 & 16.08 " 18
19 3.162" 12.89 " 0.518" 5.574" 34.58 &2873 "1187 "1594 "1546 " 180.9 " 119.3 " 13.91 " 19
20 3.849" 12.82 " 0.501" 5.537" 34.23 &1944 "2116 "1510 "1493 " 165.1 " 95.23 " 11.71 " 20
21 52.78 & 11.29 " 1.032" 5.590" 34.29 &1560 "2177 "1495 "1401 " 150.3 " 74.63 " 10.24 " 21
22 581.2 " 8.543" 8.351" 5.574" 33.88 &1299 "2525 "1425 "1242 " 135.9 " 60.50 " 9.555" 22
23 1216 " 7.574" 15.63 " 5.553" 33.93 &1110 "2623 "1877 "1128 " 121.9 " 49.70 & 9.313" 23
24 2928 " 6.939" 11.99 " 5.615" 35.46 &1027 "2593 "2255 "1267 " 115.1 " 45.18 & 9.367" 24
25 3538 " 5.833" 10.46 " 5.881" 60.79 &1002 "2358 "2370 "1382 " 116.8 " 44.54 & 9.385" 25
26 2030 " 5.268" 7.422" 6.038" 448.7 " 962.9 "2001 "2555 "1264 " 141.7 " 44.82 & 9.218" 26
27 1264 " 4.581" 6.071" 6.058" 343.7 " 847.1 "1788 "2683 "1137 " 136.1 " 44.05 & 8.494" 27
28 914.3 " 3.260" 5.990" 6.048" 303.0 " 793.5 "1605 "2250 " 994.7 " 120.7 " 39.78 & 7.923" 28
29 644.6 " 5.095" 6.072" 234.4 " 717.2 "1370 "1905 " 835.3 " 109.2 " 38.74 & 6.939" 29
30 481.4 " 4.352" 6.001" 224.9 " 645.9 "1234 "1677 " 727.0 " 107.9 " 44.96 & 5.817" 30
31 370.6 " 4.066" 205.5 " 1108 "1444 " 99.23 " 5.057" 31
Mean 456.5 & 50.92 & 3.433" 5.150" 81.94 &1044 "1225 "2173 "1030 " 378.4 " 58.83 & 40.83 &
Median 8.463& 17.83 & 1.658" 5.248" 34.37 & 982.5 "1040 "1905 "1075 " 266.0 " 48.57 & 25.53 &
Maximum 3538 & 286.9 & 15.63 " 6.072" 448.7 &2873 "2623 "4326 "1852 "1165 " 119.3 & 165.6 &
Minimum 3.162& 3.260& 0.501" 3.607" 7.792& 94.77 " 480.2 "1161 " 425.8 " 99.23 " 23.19 & 5.057&
Total 14153 & 1426 & 106.4 " 139.0 " 2540 &31305 "37966 "67377 "30893 "11731 " 1765 & 1266 &
Missing Days 0 0 0 3 0 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 554.3 & " ... Relative Uncertainty +/-10%
Ann. Median 91.77 & & ... Relative Uncertainty +/-30%
Annual Total 200667 & [ ... Not Available
Missing Days 3
Maximum Minimum
Daily 4326 & 0.501&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 4.54" 0.00" 0.00" 249.1 " 7.89" 38.29&28092 "15104 " 8084 " 1335 " 139.7 " 168.9 " 1
2 4.12" 0.00" 0.00" 152.8 " 8.00" 319.5 "15533 "13367 " 9851 " 1243 " 126.5 " 149.5 " 2
3 3.94" 0.00" 0.00" 120.3 " 9.34" 539.9 "10685 "11721 "10217 " 1168 " 117.9 " 130.2 " 3
4 3.48" 0.00" 0.00" 82.97" 9.73" 528.6 " 7484 " 9837 "14160 " 1086 " 112.8 " 121.4 " 4
5 3.51" 0.00" 0.00" 105.8 " 10.18" 1465 " 5595 " 8796 "14322 " 1009 " 111.4 " 118.0 " 5
6 3.44" 0.00" 0.00" 88.91" 14.03" 853.0 " 5059 " 8028 "19150 " 931.3 " 112.0 " 113.8 " 6
7 3.00" 0.00" 0.00" 60.46" 16.19" 617.9 " 4429 " 7868 "16477 " 861.8 " 124.0 " 105.9 " 7
8 2.63" 0.00" 0.00" 44.91& 21.97& 506.9 " 6865 " 7533 "15085 " 763.9 " 148.7 " 98.26" 8
9 1.95" 0.00" 0.00" 33.88& 32.45& 356.6 "20305 " 5865 "13247 " 633.8 " 129.7 " 95.33" 9
10 1.54" 0.00" 0.00" 34.55& 29.03& 273.5 "24853 " 4997 " 9762 " 584.0 " 149.2 " 82.79" 10
11 1.31" 0.00" 0.00" 34.50& 24.84" 220.8 "17828 " 4417 " 8085 " 529.7 " 156.3 " 76.81" 11
12 1.02" 0.00" 0.00" 27.53& 22.13" 183.5 "13512 " 4637 " 7500 " 519.5 " 269.5 " 69.50" 12
13 0.92" 0.00" 0.00" 20.28" 20.88" 157.4 "10555 " 4906 " 8142 " 587.2 " 1291 " 65.08" 13
14 0.84" 0.00" 0.00" 16.09" 20.03" 144.8 " 7819 " 5876 " 7373 " 557.1 " 1246 " 60.15" 14
15 0.71" 0.00" 0.00" 14.40" 19.55" 139.9 " 7354 " 6474 " 7829 " 489.0 " 955.0 " 53.23" 15
16 0.57" 0.00" 0.00" 14.40" 19.59" 128.5 " 6530 " 4695 " 6957 " 454.8 " 688.4 " 50.20& 16
17 0.47" 0.00" 279.7 " 14.52" 19.57" 287.9 " 5391 " 4187 " 5814 " 437.1 " 1267 " 45.66& 17
18 0.39" 0.00" 700.4 " 13.42" 19.71" 1686 " 4430 " 3859 " 5759 " 424.4 " 2776 " 43.84& 18
19 0.32" 0.00" 355.5 " 12.98" 19.71" 2775 " 3732 " 3365 " 4833 " 392.4 " 2796 " 40.95& 19
20 0.24" 0.00" 164.8 " 12.53" 18.79" 3012 " 3218 " 3123 " 4053 " 356.4 " 2107 " 37.66& 20
21 0.18" 0.00" 103.4 " 12.54" 16.53" 2857 " 2839 " 3045 " 3500 " 329.4 " 1811 " 34.54& 21
22 0.12" 0.00" 72.60" 12.22" 16.28" 2115 " 2568 " 2788 " 3004 " 301.3 " 1347 " 34.41& 22
23 0.06" 0.00" 47.83& 11.26" 15.64" 1652 " 2304 " 3221 " 2666 " 284.1 " 946.6 " 34.20& 23
24 0.04" 0.00" 31.42& 10.30" 15.70" 1396 " 5322 " 4574 " 2456 " 262.8 " 711.4 " 33.68& 24
25 0.02" 0.00" 22.61" 8.69" 15.64" 1314 "15574 " 5773 " 2151 " 248.3 " 579.7 " 33.52& 25
26 0.00" 0.00" 16.15" 8.42" 15.78" 1463 "42896 " 8275 " 1962 " 235.9 " 507.7 " 31.56& 26
27 0.00" 0.00" 12.68" 8.26" 18.76" 1638 "52461 " 9806 " 1888 " 229.2 " 406.0 " 34.21& 27
28 0.00" 0.00" 10.45" 7.93" 20.85" 4816 "31358 " 7572 " 1771 " 224.0 " 333.5 " 47.00& 28
29 0.00" 8.77" 8.13" 21.49"14085 "21547 " 6406 " 1589 " 184.4 " 259.9 " 48.18& 29
30 0.00" 7.86" 7.83" 22.82"27691 "17845 " 6008 " 1444 " 173.9 " 209.7 " 47.38& 30
31 0.00" 7.28" 23.03" 15428 " 6183 " 156.2 " 453.7 " 31
Mean 1.27" 0.00" 59.40& 41.67& 18.26& 2442 &13529 " 6526 " 7304 " 548.2 " 731.2 " 82.57&
Median 0.574" 0.000" 0.000& 14.46 & 19.55 & 735.5 &7819 "5876 "7165 " 454.8 " 369.8 " 53.23 &
Maximum 4.54" 0.00" 700.4 & 249.1 & 32.45&27691 &52461 "15104 "19150 " 1335 " 2796 " 453.7 &
Minimum 0.000" 0.000" 0.000& 7.828& 7.890& 38.29 &2304 "2788 "1444 " 156.2 " 111.4 " 31.56 &
Total 39.4" 0.0" 1842 & 1250 & 566.1& 73264 &419412 "202303 "219130 " 16993 " 21935 " 2560 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 2628 & " ... Relative Uncertainty +/-10%
Ann. Median 139.7 & & ... Relative Uncertainty +/-30%
Annual Total 959294 &
Maximum Minimum
Daily 52461 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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
1 696.6 " 2.448" 0.000" [ ] 226.1 "2975 " 959.0 "1137 "1165 " 704.3 " 116.0 " 36.44 & 1
2 520.1 " 1.838" 0.000" [ ] 256.9 "2372 " 856.5 "1631 "1206 " 704.9 " 115.9 " 33.58 & 2
3 307.7 " 1.447" 0.000" [ ] 238.6 "1980 " 812.7 "2324 "1323 " 646.8 " 114.9 " 29.29 & 3
4 187.0 " 1.071" 0.000" [ ] 203.3 "1694 "1177 "2150 "1290 " 564.1 " 106.9 " 26.82 " 4
5 128.1 " 0.861" 31.95 & [ ] 160.9 "1704 "2069 "2433 "1904 " 526.6 " 98.99 " 24.31 " 5
6 193.4 " 0.578" 25.02 & [ ] 161.4 "2031 "3901 "4105 "1725 " 515.2 " 116.0 " 22.85 " 6
7 171.8 " 0.425" 13.96 " [ ] 298.9 "1704 "4472 "6105 "1501 " 526.0 " 143.3 " 21.37 " 7
8 121.3 " 0.257" 14.95 " [ ] 756.0 "1612 "4310 "5714 "1455 " 620.7 " 282.3 " 19.57 " 8
9 92.29 " 0.160" [ ] [ ] 1208 "1593 "3533 "4582 "1860 " 569.4 " 530.6 " 18.79 " 9
10 70.34 " 0.079" [ ] [ ] 1218 "1518 "2853 "3618 "1728 " 490.1 " 370.3 " 18.60 " 10
11 53.96 " 0.041" [ ] [ ] 1017 "1293 "2470 "3199 "1458 " 446.0 " 237.8 " 18.20 " 11
12 43.42 & 0.016" [ ] 192.2 " 958.1 "1175 "2124 "2848 "1367 " 412.9 " 198.1 " 18.08 " 12
13 34.03 & 0.006" [ ] 89.69 " 817.6 "1223 "1813 "2475 "1550 " 393.3 " 166.0 " 17.54 " 13
14 29.20 & 0.002" [ ] 111.0 " 682.5 "1185 "1597 "2284 "4335 " 379.0 " 141.0 " 15.99 " 14
15 27.51 " 0.000" [ ] 121.1 " 584.4 "1130 "1485 "2399 "3887 " 343.8 " 124.7 " 15.17 " 15
16 26.87 " 0.000" [ ] 100.6 " 519.1 "1244 "1557 "2504 "3931 " 314.7 " 143.6 " 15.44 " 16
17 23.90 " 0.000" [ ] 121.6 " 741.6 "1617 "1614 "2237 "8832 " 285.5 " 151.3 " 15.35 " 17
18 22.79 " 0.000" [ ] 110.2 " 972.4 "1300 "1594 "2278 "4747 " 258.8 " 200.7 " 14.65 " 18
19 19.19 " 0.000" [ ] 94.37 " 930.5 "1097 "1532 "2698 "3237 " 232.8 " 182.6 " 13.36 " 19
20 16.81 " 0.000" [ ] 86.09 "1867 " 986.6 "1575 "2519 "2517 " 211.6 " 145.7 " 11.35 " 20
21 14.42 " 0.000" [ ] 74.29 "2905 "1180 "1601 "2403 "1948 " 198.7 " 115.5 " 10.85 " 21
22 12.74 " 0.000" [ ] 68.03 "2841 "1390 "1526 "2367 "1608 " 193.5 " 92.88 " 9.494" 22
23 11.49 " 0.000" [ ] 62.56 "2600 "1244 "1436 "2123 "1431 " 183.8 " 75.99 " 8.468" 23
24 9.628" 0.000" [ ] 55.03 "2119 "1441 "1354 "1915 "1273 " 174.8 " 69.17 " 7.498" 24
25 7.833" 0.000" [ ] 48.09 &1848 "1971 "1264 "1695 "1138 " 161.8 " 64.90 " 6.242" 25
26 6.525" 0.000" [ ] 47.28 &2022 "1649 "1278 "1573 "1011 " 154.1 " 64.86 " 5.857" 26
27 5.980" 0.000" [ ] 64.29 &3184 "1352 "1345 "1485 " 900.4 " 139.8 " 58.02 " 6.267" 27
28 4.605" 0.000" [ ] 63.80 "4688 "1206 "1299 "1398 " 808.2 " 126.7 " 51.76 " 12.35 " 28
29 3.787" 0.000" [ ] 113.3 "5084 "1108 "1267 "1322 " 749.0 " 118.4 " 45.93 & 19.29 " 29
30 3.157" [ ] 177.1 "4789 "1037 "1256 "1295 " 711.6 " 114.1 " 41.94 & 19.67 " 30
31 2.895" [ ] 3971 " 1227 "1206 " 114.8 " 16.65 " 31
Mean 92.56 & 0.318" 10.74 & 94.77 &1609 "1500 "1844 "2517 "2087 " 349.3 " 145.6 & 17.08 &
Median 26.87 & 0.000" 6.982& 89.69 & 972.4 "1371 "1532 "2324 "1480 " 314.7 " 116.0 & 16.65 &
Maximum 696.6 & 2.448" 31.95 & 192.2 &5084 "2975 "4472 "6105 "8832 " 704.9 " 530.6 & 36.44 &
Minimum 2.895& 0.000" 0.000& 47.28 & 160.9 " 986.6 " 812.7 "1137 " 711.6 " 114.1 " 41.94 & 5.857&
Total 2869 & 9.23" 85.89& 1801 &49872 "45014 "57157 "78023 "62598 "10827 " 4368 & 529.4 &
Missing Days 0 0 23 11 0 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 943.2 & " ... Relative Uncertainty +/-10%
Ann. Median 311.2 & & ... Relative Uncertainty +/-30%
Annual Total 313152 & [ ... Not Available
Missing Days 34
Maximum Minimum
Daily 8832 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 13.09 " 34.90 & 1.041" 0.207" 7.416" 63.19 "1596 "1498 "1621 " 452.7 " 53.65 & 4.548" 1
2 10.74 " 75.65 & 0.783" 0.147" 7.364" 52.19 "1462 "1217 "1337 " 395.6 " 45.67 & 4.055" 2
3 9.018" 27.88 & 0.611" 0.104" 7.545" 45.71 & 793.2 "1381 "1168 " 353.7 " 44.87 & 4.030" 3
4 7.757" 13.28 " 0.431" 0.083" 7.574" 42.17 & 700.0 "1652 "1062 " 331.6 " 47.87 & 3.998" 4
5 6.147" 8.393" 0.354" 0.052" 7.623" 49.00 &1037 "1865 " 955.7 " 312.6 " 48.01 & 4.152" 5
6 5.171" 6.696" 0.282" 0.031" 7.730" 68.29 "1013 "2236 " 823.4 " 282.6 " 38.88 & 4.197" 6
7 4.159" 40.21 & 0.223" 0.022" 7.870" 104.9 " 806.2 "2026 " 715.4 " 253.7 " 34.08 & 4.003" 7
8 3.118" 53.07 & 0.177" 0.188" 8.088! 202.6 " 612.8 "1627 " 638.0 " 229.0 " 33.48 & 3.685" 8
9 2.400" 36.15 & 0.182" 14.16 & 7.731! 196.5 " 490.5 "1518 " 614.5 " 197.4 " 40.01 & 3.173" 9
10 2.041" 25.60 & 0.177" 48.59 & 6.970! 169.8 " 409.7 "1387 " 576.7 " 171.7 " 44.34 & 2.851" 10
11 1.707" 19.07 " 0.172" 42.71 & 6.466! 156.7 " 403.7 "1217 " 525.4 " 151.3 " 41.78 & 2.603" 11
12 1.573" 15.93 " 0.121" 26.71 & 7.606! 137.6 " 404.1 "1198 " 483.4 " 145.8 " 34.22 & 2.249" 12
13 1.395" 48.40 & 0.092" 18.81 " 13.52 ! 130.7 " 630.7 "1282 " 422.9 " 170.7 " 27.37 & 1.895" 13
14 1.204" 44.58 & 0.072" 12.99 " 13.59 ! 117.3 "1355 "1107 " 391.8 " 183.7 " 23.35 " 1.758" 14
15 0.999" 26.19 & 0.052" 9.605" 13.58 ! 113.1 " 959.6 " 915.9 " 386.8 " 163.5 " 19.63 " 1.735" 15
16 0.792" 16.60 " 0.034" 8.079" 12.77 ! 109.9 " 965.4 " 787.1 " 366.2 " 141.7 " 15.68 " 1.675" 16
17 0.603" 12.86 " 0.023" 6.865" 11.81 ! 110.6 "1052 " 687.7 " 358.2 " 127.5 " 13.57 " 1.856" 17
18 0.427" 11.28 " 1.355" 6.201" 10.91 ! 110.4 "1331 " 784.1 " 444.6 " 118.5 " 12.30 " 2.460" 18
19 0.285" 8.986" 3.880" 5.759" 10.53 ! 106.1 "1421 "1769 " 459.1 " 105.3 " 10.80 " 2.597" 19
20 0.191" 7.280" 3.817" 5.363" 9.599! 99.06 "1672 "2544 " 461.7 " 96.74 " 9.973" 2.303" 20
21 0.146" 6.532" 3.249" 5.284" 9.184! 91.11 "1462 "2111 " 498.9 " 92.47 " 9.608" 2.412" 21
22 0.109" 4.991" 2.913" 4.885" 8.794! 101.6 "1385 "2109 "1069 " 84.01 " 9.421" 2.614" 22
23 0.072" 4.096" 2.496" 4.407" 8.112! 121.3 "1273 "2110 "1024 " 78.75 " 9.405" 2.659" 23
24 0.054" 3.101" 2.127" 4.487" 7.504! 125.5 "1135 "2170 " 821.8 " 76.55 " 10.54 " 2.862" 24
25 0.025" 2.656" 1.621" 4.581" 7.048! 184.7 "1008 "2170 " 745.5 " 66.22 " 10.90 " 2.797" 25
26 0.013" 1.994" 1.173" 4.608" 24.03 ! 235.6 " 956.8 "2121 " 636.5 " 60.48 " 9.786" 2.297" 26
27 0.002" 1.588" 0.967" 4.581" 80.31 ! 205.6 "1461 "2704 " 526.6 " 56.08 " 8.549" 1.807" 27
28 0.000" 1.219" 0.722" 4.903" 96.56 ! 171.0 "1909 "2464 " 473.6 " 63.87 " 7.254" 1.515" 28
29 0.000" 0.566" 5.740" 88.41 ! 161.9 "1805 "2539 " 594.8 " 75.80 " 5.892" 1.347" 29
30 0.000" 0.421" 7.286" 84.87 ! 204.5 "2034 "2466 " 531.2 " 75.16 " 5.002" 1.151" 30
31 0.000" 0.306" 75.22 " 2050 "2090 " 67.29 " 0.948" 31
Mean 2.362" 19.97 & 0.982" 8.581& 21.82 ! 126.3 &1148 "1734 " 691.1 " 167.2 " 24.20 & 2.653"
Median 0.792" 13.07 & 0.431" 5.094& 8.794! 115.2 &1052 "1769 " 585.8 " 141.7 " 17.65 & 2.597"
Maximum 13.09 " 75.65 & 3.880" 48.59 & 96.56 ! 235.6 &2050 "2704 "1621 " 452.7 " 53.65 & 4.548"
Minimum 0.000" 1.219& 0.023" 0.022& 6.466! 42.17 & 403.7 " 687.7 " 358.2 " 56.08 " 5.002& 0.948"
Total 73.24" 559.2 & 30.44" 257.4 & 676.3 ! 3788 &35592 "53753 "20733 " 5182 " 725.9 & 82.23"
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 332.8 ! ! ... Not reviewed / Quality not known
Ann. Median 26.19 ! " ... Relative Uncertainty +/-10%
Annual Total 121454 ! & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2704 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.72" 0.00" 661.9 " 11.17" 11.43" 195.8 $ 8778 $ 6337 " 2160 $ 387.4 # 118.4 $ 32.18$ 1
2 0.58" 0.00" 453.7 " 10.91" 10.67" 175.5 $ 5320 $ 8712 $ 1951 $ 350.5 # 109.9 $ 38.18$ 2
3 0.45" 0.00" 312.5 " 10.23" 10.32" 156.1 $ 4827 $10194 $ 1822 " 338.1 # 104.9 $ 36.92$ 3
4 0.31" 0.00" 225.5 " 9.77" 9.68" 143.3 $ 4291 $ 6655 $ 1727 " 341.9 # 103.8 $ 33.44$ 4
5 0.24" 0.00" 163.2 " 9.40" 9.77" 131.9 $ 3880 $ 4637 $ 1570 # 341.9 # 104.3 $ 32.68$ 5
6 0.21" 0.00" 119.8 " 9.87" 10.54" 124.5 $ 3476 $ 3837 $ 1417 # 341.2 # 104.3 $ 30.42$ 6
7 0.11" 0.00" 89.85" 8.46" 16.42$ 117.5 $ 2835 $ 3335 $ 1301 # 333.3 # 97.44$ 27.52$ 7
8 0.08" 0.00" 68.00" 7.48" 39.35$ 111.6 $ 2413 $ 3558 $ 1181 # 305.5 # 88.32$ 26.23$ 8
9 0.07" 0.00" 53.97& 7.00" 41.34$ 109.4 $ 2120 $ 4140 $ 1080 # 284.3 # 88.00$ 24.41$ 9
10 0.05" 0.00" 49.98" 6.50" 41.72$ 119.0 $ 1852 $ 4104 $ 1014 # 265.4 # 95.75$ 21.91$ 10
11 0.02" 0.00" 48.24& 6.02" 38.08$ 136.1 $ 1620 # 3801 $ 997.5 # 249.1 # 92.73$ 21.34$ 11
12 0.01" 0.00" 48.27& 5.88" 35.40$ 171.4 $ 1424 # 3517 $ 979.6 # 419.0 # 80.69$ 20.07$ 12
13 0.00" 0.00" 44.75& 5.58" 40.71$ 174.8 $ 1424 # 3267 $ 906.5 # 953.2 # 75.21$ 17.79" 13
14 0.00" 0.00" 36.55& 4.18" 66.54$ 180.7 $ 2669 $ 3120 $ 879.3 # 613.1 # 74.47$ 15.98" 14
15 0.00" 0.00" 29.82& 5.19" 95.70$ 295.6 $ 4970 $ 3675 $ 1531 # 485.0 # 76.86$ 15.00" 15
16 0.00" 0.00" 25.98" 5.69" 108.4 $ 412.3 # 5989 $ 3223 $ 1598 # 480.7 # 90.91$ 14.16" 16
17 0.00" 0.00" 22.19" 5.63" 127.3 $ 745.1 # 5742 $ 3207 $ 1387 # 558.0 # 92.65$ 13.13" 17
18 0.00" 0.00" 18.85" 5.29" 125.5 $ 1209 # 3912 $ 4024 $ 1309 # 521.8 # 86.20$ 12.16" 18
19 0.00" 0.00" 28.28& 4.66" 115.1 $ 1122 # 3003 $ 3496 $ 1283 # 398.5 # 76.08$ 10.51" 19
20 0.00" 0.00" 68.92" 4.50" 159.7 $ 1498 # 2627 $ 3599 $ 1181 # 350.0 # 63.20$ 10.20" 20
21 0.00" 0.00" 66.08" 4.05" 470.6 # 1218 # 2551 $ 3770 $ 1089 # 302.3 # 57.02$ 8.95" 21
22 0.00" 661.8 & 47.24& 3.75" 721.8 # 791.5 # 3676 $ 4854 $ 956.4 # 260.1 # 48.90$ 7.89& 22
23 0.00" 1186 " 38.17& 3.85" 429.3 # 580.9 # 3802 $ 4908 $ 834.8 # 231.0 # 44.66$ 6.73& 23
24 0.00" 2333 " 27.15& 3.83" 384.2 # 482.8 # 3154 $ 4661 $ 732.3 # 212.0 $ 42.15$ 5.69& 24
25 0.00" 1801 " 18.92" 4.16" 526.3 # 1288 $ 2709 $ 4824 $ 659.7 # 197.8 $ 38.11$ 4.82& 25
26 0.00" 1530 " 16.30" 5.14" 639.5 # 2673 $ 2479 $ 4054 $ 576.9 # 181.4 $ 34.44$ 4.49& 26
27 0.00" 1128 " 14.54" 4.35" 513.5 # 5710 $ 2343 $ 3498 $ 468.9 # 165.7 $ 32.71$ 4.49& 27
28 0.00" 852.3 " 13.96" 4.74" 370.4 #11049 $ 2173 $ 3400 $ 432.5 # 157.0 $ 29.92$ 4.54& 28
29 0.00" 11.99" 4.45" 294.1 #11162 $ 1940 $ 2969 $ 418.3 # 146.9 $ 28.34$ 4.29& 29
30 0.00" 10.74" 4.76" 246.6 #10744 $ 2333 $ 2610 $ 407.5 # 140.1 $ 28.53$ 3.87& 30
31 0.00" 10.89" 218.8 $ 4911 $ 2395 $ 128.4 $ 3.42& 31
Mean 0.092" 339.0 & 91.81 & 6.216" 191.2 $1768 $3395 $4270 $1128 $ 336.8 $ 73.63 $ 16.56 &
Median 0.000" 0.000& 44.75 & 5.433" 108.4 $ 354.0 $2835 $3770 $1085 $ 333.3 $ 78.77 $ 14.16 &
Maximum 0.72" 2333 & 661.9 & 11.17" 721.8 $11162 $ 8778 $10194 $ 2160 $ 953.2 $ 118.4 $ 38.18&
Minimum 0.000" 0.000& 10.74 & 3.751" 9.679$ 109.4 $1424 $2395 $ 407.5 $ 128.4 $ 28.34 $ 3.424&
Total 2.9" 9493 & 2846 & 186.5" 5929 $ 53028 $105244 $132384 $ 33851 $ 10441 $ 2209 $ 513.4&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 975.7 & " ... Relative Uncertainty +/-10%
Ann. Median 109.4 & # ... Relative Uncertainty +/-15%
Annual Total 356127 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 11162 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 3.31& 0.00& 0.00& 0.00& 56.24$ 87.39$ 663.7 #10709 $ 1991 $ 487.6 # 132.1 $ 111.6 $ 1
2 2.50& 0.00& 0.00& 0.00& 60.64$ 83.27$ 606.7 # 6341 $ 1839 " 448.6 # 129.0 $ 88.26$ 2
3 3.18& 0.00& 0.00& 0.00& 59.58$ 80.24$ 878.9 # 5004 $ 1643 # 407.6 # 112.4 $ 70.72$ 3
4 2.82& 0.00& 0.00& 0.00& 54.50$ 81.99$ 1495 # 3895 $ 1452 # 365.2 # 93.64$ 55.82$ 4
5 2.10& 0.00& 0.00& 0.00& 50.49$ 83.88$ 1106 # 3129 $ 1312 # 336.1 # 79.50$ 53.33$ 5
6 1.56& 0.00& 0.00& 0.00& 47.26$ 102.1 $ 1040 # 2637 $ 1202 # 317.6 # 72.74$ 46.33$ 6
7 1.15& 0.00& 0.00& 0.00& 42.47$ 269.0 $ 887.7 # 2258 $ 1069 # 331.2 # 67.15$ 40.48$ 7
8 0.87& 0.00& 0.00& 0.00& 65.81$ 311.6 # 1916 $ 1973 $ 945.7 # 278.7 # 61.57$ 48.10$ 8
9 0.62& 0.00& 0.00& 0.00& 981.6 # 349.1 # 1926 $ 1758 # 841.6 # 246.0 # 55.53$ 61.20$ 9
10 0.47& 0.00& 0.00& 0.00& 1277 # 497.5 # 1761 $ 1556 # 723.3 # 219.6 $ 50.23$ 47.99$ 10
11 0.29& 0.00& 0.00& 0.00& 1683 # 451.1 # 1433 # 1404 # 633.0 # 200.4 $ 46.22$ 38.21$ 11
12 0.14& 0.00& 0.00& 0.00& 1112 # 377.0 # 1367 # 1363 # 591.6 # 187.1 $ 43.85$ 35.14$ 12
13 0.06& 0.00& 0.00& 0.00& 793.7 # 350.9 # 1294 # 1810 # 541.6 # 582.2 $ 40.91$ 45.60$ 13
14 0.02& 0.00& 0.00& 0.00& 526.2 # 300.1 # 1124 # 1562 # 503.6 # 513.9 # 39.60$ 40.84$ 14
15 0.00& 0.00& 0.00& 4.50& 360.8 # 301.7 # 1011 # 1441 # 463.0 # 375.7 # 39.76$ 33.77$ 15
16 0.00& 0.00& 0.00& 10.72" 272.7 # 373.9 # 1035 # 1305 # 424.9 # 307.7 # 41.50$ 28.82$ 16
17 0.00& 0.00& 0.00& 11.59" 228.6 # 425.3 # 906.4 # 1302 # 382.0 # 252.7 # 42.14$ 24.94$ 17
18 0.00& 0.00& 0.00& 11.98" 198.8 $ 601.9 # 780.3 # 1168 # 379.4 # 216.9 $ 42.31$ 21.39$ 18
19 0.00& 0.00& 0.00& 13.20" 176.0 $ 1682 $ 694.9 # 1022 # 420.9 # 194.5 $ 46.14$ 18.96$ 19
20 0.00& 0.00& 0.00& 12.05" 158.3 $ 2656 $ 607.6 # 1097 # 413.0 # 174.8 $ 45.49$ 15.82" 20
21 0.00& 0.00& 0.00& 10.45" 145.2 $ 2327 $ 550.2 # 2226 $ 379.8 # 160.0 $ 43.80$ 13.77" 21
22 0.00& 0.00& 0.00& 10.58" 134.5 $ 2106 $ 533.4 # 2797 $ 381.9 # 146.9 $ 42.72$ 12.12" 22
23 0.00& 0.00& 0.00& 18.46$ 128.2 $ 1805 $ 658.5 # 2682 $ 588.6 # 140.5 $ 39.93$ 11.36" 23
24 0.00& 0.00& 0.00& 18.45$ 121.1 $ 1464 # 786.9 # 2215 $ 710.2 # 131.6 $ 37.42$ 17.98$ 24
25 0.00& 0.00& 0.00& 51.31$ 114.7 $ 1303 # 720.5 # 2918 $ 544.9 # 122.0 $ 33.40$ 18.81$ 25
26 0.00& 0.00& 0.00& 86.64$ 110.3 $ 1255 # 640.5 # 5307 $ 730.4 # 115.5 $ 32.77$ 20.19$ 26
27 0.00& 0.00& 0.00& 59.24$ 105.3 $ 1072 # 593.9 # 5206 $ 959.8 # 104.6 $ 31.01$ 18.33$ 27
28 0.00& 0.00& 0.00& 45.86$ 102.0 $ 900.0 # 814.5 $ 4369 $ 754.9 # 97.26$ 28.83$ 48.89$ 28
29 0.00& 0.00& 73.44$ 97.07$ 900.3 # 6849 $ 3442 $ 644.6 # 90.75$ 45.93$ 101.6 $ 29
30 0.00& 0.00& 63.25$ 93.19$ 799.6 # 8842 $ 2647 $ 555.9 # 90.08$ 123.1 $ 70.99$ 30
31 0.00& 0.00& 89.50$ 9507 $ 2246 $ 101.7 $ 56.63$ 31
Mean 0.616& 0.000& 0.000& 16.72 & 304.7 $ 779.9 $1711 $2864 $ 800.8 $ 249.8 $ 58.02 $ 42.51 $
Median 0.000& 0.000& 0.000& 7.475& 121.1 $ 438.2 $ 906.4 $2246 $ 638.8 $ 216.9 $ 44.67 $ 40.48 $
Maximum 3.31& 0.00& 0.00& 86.64& 1683 $ 2656 $ 9507 $10709 $ 1991 $ 582.2 $ 132.1 $ 111.6 $
Minimum 0.000& 0.000& 0.000& 0.000& 42.47 $ 80.24 $ 533.4 $1022 $ 379.4 $ 90.08 $ 28.83 $ 11.36 $
Total 19.08& 0.00& 0.00& 501.7 & 9446 $23398 $53032 $88790 $24023 $ 7745 $ 1741 $ 1318 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 575.4 & " ... Relative Uncertainty +/-10%
Ann. Median 83.27 & # ... Relative Uncertainty +/-15%
Annual Total 210015 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 10709 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 51.48$ 0.00& 0.00& 0.00& 22.23& 898.6 # 1382 # 3056 $ 2005 $ 1454 # 210.0 $ 48.41$ 1
2 43.66$ 0.00& 0.00& 0.00& 22.46$ 1912 $ 1119 # 2625 $ 1993 $ 1473 $ 255.2 # 46.42$ 2
3 35.28$ 0.00& 0.00& 0.00& 17.67$ 2066 $ 949.5 # 2327 $ 1762 # 2372 $ 244.7 # 58.95$ 3
4 28.05$ 0.00& 0.00& 0.00& 15.38" 1844 $ 835.9 # 2097 $ 1510 # 2769 $ 205.5 $ 56.69$ 4
5 23.03$ 0.00& 0.00& 0.00& 14.26" 2325 $ 818.9 # 1908 $ 1369 # 2314 $ 177.1 $ 50.77$ 5
6 18.67$ 0.00& 0.00& 0.00& 14.43" 2062 $ 815.8 # 1719 # 1535 # 2027 $ 164.9 $ 48.20$ 6
7 15.29" 0.00& 0.00& 0.00& 16.40" 1755 " 1055 # 1546 # 1557 # 2093 $ 260.5 $ 50.82$ 7
8 12.63" 0.00& 0.00& 0.00& 16.53" 1674 # 1356 # 1403 # 1457 # 1769 $ 294.1 # 41.58$ 8
9 10.31" 0.00& 0.00& 0.00& 18.77$ 1412 # 1250 # 1290 # 1672 # 1402 # 229.1 $ 266.7 $ 9
10 8.80& 0.00& 0.00& 0.00& 23.74$ 1280 # 1267 # 1325 # 1821 " 1147 # 180.1 $ 240.9 $ 10
11 7.37& 0.00& 0.00& 0.00& 31.40$ 1126 # 1414 # 1328 # 1699 # 1006 # 157.3 $ 184.1 $ 11
12 6.24& 0.00& 0.00& 0.00& 56.64$ 969.7 # 1355 # 2367 $ 1400 # 895.6 # 178.4 $ 142.9 $ 12
13 5.38& 0.00& 0.00& 0.00& 126.8 $ 869.8 # 2212 $ 2818 $ 1222 # 770.0 # 167.1 $ 113.7 $ 13
14 4.34& 0.00& 0.00& 0.00& 216.6 $ 950.9 # 1949 $ 4105 $ 1085 # 674.1 # 139.9 $ 93.58$ 14
15 3.74& 0.00& 0.00& 0.00& 261.8 # 956.7 # 2428 $ 7699 $ 1083 # 582.3 # 117.0 $ 71.40$ 15
16 2.86& 0.00& 0.00& 0.00& 216.7 $ 1363 # 3338 $ 8004 $ 952.7 # 506.4 # 102.8 $ 58.52$ 16
17 2.18& 0.00& 0.00& 0.00& 202.1 $ 2036 $ 2650 $ 7790 $ 821.3 # 455.1 # 95.42$ 51.93$ 17
18 2.08& 0.00& 0.00& 0.00& 233.1 $ 2122 $ 2559 $ 7415 $ 743.7 # 416.4 # 85.60$ 53.14$ 18
19 1.69& 0.00& 0.00& 0.00& 252.0 # 1879 $ 2351 $ 5336 $ 692.9 # 400.5 # 73.32$ 47.30$ 19
20 1.26& 0.00& 0.00& 0.00& 232.3 # 1917 $ 2055 $ 4259 $ 669.2 # 690.4 # 66.18$ 41.92$ 20
21 0.88& 0.00& 0.00& 0.00& 284.0 # 1787 # 1949 $ 3729 $ 663.9 # 677.7 # 61.02$ 39.95$ 21
22 0.52& 0.00& 0.00& 0.00& 335.8 # 1518 # 1755 # 3214 $ 841.0 # 469.5 # 59.48$ 36.18$ 22
23 0.22& 0.00& 0.00& 0.00& 364.2 # 1295 # 2610 $ 2741 $ 945.7 # 391.8 # 58.76$ 35.59$ 23
24 0.12& 0.00& 0.00& 0.00& 404.6 # 1195 # 9986 $ 2412 $ 750.6 # 353.6 # 58.70$ 32.23$ 24
25 0.03& 0.00& 0.00& 0.00& 388.7 # 1398 #10165 $ 2661 $ 716.8 # 310.4 # 56.07$ 26.33$ 25
26 0.01& 0.00& 0.00& 0.00& 313.3 # 1942 $13469 $ 2571 $ 759.7 # 284.3 # 52.41$ 22.34$ 26
27 0.00& 0.00& 0.00& 0.00& 271.9 # 1733 "10953 $ 2264 $ 772.9 # 262.4 # 48.94$ 18.76$ 27
28 0.00& 0.00& 0.00& 0.00& 235.1 # 2041 $ 6900 $ 2124 $ 860.6 # 242.5 # 45.31$ 16.72" 28
29 0.00& 0.00& 0.00& 0.00& 205.9 $ 2522 $ 5253 $ 2588 $ 1378 $ 227.3 # 42.13$ 14.75" 29
30 0.00& 0.00& 0.00& 194.0 $ 1833 $ 4342 $ 2682 $ 1906 $ 210.4 $ 52.07$ 13.03" 30
31 0.00& 0.00& 203.4 $ 3640 $ 2255 $ 199.4 $ 12.48" 31
Mean 9.229& 0.000& 0.000& 0.000& 168.1 &1623 $3361 $3215 $1221 $ 930.5 $ 131.3 $ 65.69 $
Median 2.859& 0.000& 0.000& 0.000& 203.4 &1744 $2055 $2588 $1154 $ 674.1 $ 109.9 $ 48.20 $
Maximum 51.48& 0.00& 0.00& 0.00& 404.6 & 2522 $13469 $ 8004 $ 2005 $ 2769 $ 294.1 $ 266.7 $
Minimum 0.000& 0.000& 0.000& 0.000& 14.26 & 869.8 $ 815.8 $1290 $ 663.9 $ 199.4 $ 42.13 $ 12.48 $
Total 286.1& 0.0& 0.0& 0.0& 5212 & 48685 $104183 $ 99658 $ 36645 $ 28844 $ 3939 $ 2036 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 900.2 & " ... Relative Uncertainty +/-10%
Ann. Median 177.7 & # ... Relative Uncertainty +/-15%
Annual Total 329488 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 13469 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 12.07 " 7.637& 0.000& 0.000& 14.88 "1127 #1165 #2839 $1007 # 312.4 # 138.2 $ 19.01 $ 1
2 10.14 " 6.511& 0.000& 0.000& 17.42 $1293 #1478 $2482 $1145 # 607.1 # 120.8 $ 17.67 " 2
3 8.554& 5.138& 0.332& 0.000& 19.71 $1229 #3588 $2476 $1129 #1127 # 110.4 $ 15.88 " 3
4 8.050& 3.758& 8.638& 0.000& 19.38 $1129 #4606 $2250 $ 924.4 # 829.5 # 99.88 $ 14.83 " 4
5 7.057& 2.704& 8.988" 0.000& 17.74 $ 853.3 #4754 $1980 $ 747.3 # 699.2 # 88.68 $ 12.92 " 5
6 6.704& 1.853& 8.203& 0.000& 16.48 " 703.7 #4676 $1787 " 640.5 # 657.1 # 79.15 $ 12.46 " 6
7 5.836& 1.099& 4.631& 0.000& 15.37 " 603.3 #4429 $1630 # 767.8 # 660.7 # 71.69 $ 11.21 " 7
8 5.152& 0.591& 4.439& 0.308& 14.67 " 549.3 #4311 $1477 # 821.0 # 565.4 # 66.76 $ 10.23 " 8
9 4.817& 0.248& 4.344& 6.276& 18.34 $ 527.2 #4062 $1342 # 730.7 # 476.6 # 64.56 $ 9.306" 9
10 4.966& 0.151& 3.424& 7.351& 20.12 $ 477.7 #3807 $1238 # 614.9 # 422.5 # 62.58 $ 8.857" 10
11 6.953& 0.099& 2.598& 7.468& 20.70 $ 443.3 #3433 $1157 # 549.8 # 375.3 # 61.77 $ 8.452" 11
12 8.388" 0.032& 2.150& 7.722& 20.54 $ 454.9 #3174 $1072 # 492.7 # 331.9 # 60.97 $ 7.650& 12
13 8.597" 0.003& 1.777& 7.892& 20.54 $ 543.1 #3018 $ 995.9 # 442.0 # 309.2 # 60.17 $ 6.821& 13
14 8.845" 0.001& 1.290& 7.905& 20.28 $ 730.9 #3106 $ 933.2 # 401.9 # 298.3 # 59.59 $ 6.312& 14
15 8.750" 0.000& 0.982& 7.684& 20.10 $1788 $2970 $ 869.8 # 380.7 # 292.6 # 56.19 $ 5.531& 15
16 8.488" 0.000& 0.753& 7.495& 21.49 $3834 $2632 $ 810.9 # 353.5 # 261.4 # 51.37 $ 5.033& 16
17 8.545" 0.000& 0.595& 7.276& 28.73 $3229 $2344 $ 742.9 # 322.1 # 268.5 # 46.51 $ 4.261& 17
18 14.10 " 0.000& 0.509& 7.149& 38.87 $2406 $2252 $2209 $ 315.0 # 470.9 # 40.06 $ 3.563& 18
19 15.36 " 0.000& 0.418& 7.332& 55.40 $2388 $2105 $2016 $ 316.9 # 489.6 # 36.27 $ 2.731& 19
20 14.11 " 0.000& 0.291& 7.628& 47.39 $2281 $2344 $1744 # 391.8 # 353.2 # 32.61 $ 2.057& 20
21 13.19 " 0.000& 0.209& 7.824& 49.10 $2118 $3221 $2031 $ 574.4 # 287.0 # 29.84 $ 1.701& 21
22 11.78 " 0.000& 0.101& 7.928& 57.77 $2089 $3861 $1909 $ 633.5 # 244.1 # 26.29 $ 1.402& 22
23 10.24 " 0.000& 0.026& 11.88 & 106.7 $1922 $4007 $1432 # 490.3 # 224.9 # 21.88 $ 1.265& 23
24 8.627& 0.000& 0.006& 25.72 $ 651.4 #1656 #3628 $1197 # 454.9 # 198.9 $ 20.80 $ 1.265& 24
25 7.397& 0.000& 0.001& 26.81 $ 743.8 #1347 #3283 $1030 # 411.8 # 187.8 $ 20.04 $ 1.265& 25
26 7.462& 0.000& 0.000& 25.29 $1187 #1087 #2955 $ 877.0 # 365.0 # 173.3 $ 18.79 $ 1.265& 26
27 6.626& 0.000& 0.000& 21.95 $ 926.1 # 882.6 #2934 $ 800.0 # 327.2 # 171.7 $ 17.99 " 1.358& 27
28 6.680& 0.000& 0.000& 19.05 $1041 # 849.2 #3590 $ 765.7 # 385.3 # 164.6 $ 16.97 " 3.522& 28
29 10.65 " 0.000& 16.64 "1103 # 895.1 #4015 $ 773.6 # 412.7 # 156.8 $ 16.45 " 4.504& 29
30 10.50 " 0.000& 15.11 " 992.3 #1030 #3831 $1154 # 360.9 # 156.2 $ 18.80 $ 4.526& 30
31 9.117" 0.000& 1036 # 3266 $1067 # 154.3 $ 4.230& 31
Mean 8.960& 1.065& 1.765& 8.923& 269.8 $1349 $3318 $1454 $ 563.6 # 384.8 $ 53.87 $ 6.809&
Median 8.554& 0.000& 0.418& 7.562& 21.49 $1107 $3283 $1238 $ 472.6 # 309.2 $ 53.78 $ 5.033&
Maximum 15.36 & 7.637& 8.988& 26.81 &1187 $3834 $4754 $2839 $1145 #1127 $ 138.2 $ 19.01 &
Minimum 4.817& 0.000& 0.000& 0.000& 14.67 $ 443.3 $1165 $ 742.9 $ 315.0 # 154.3 $ 16.45 $ 1.265&
Total 277.8& 29.8& 54.7& 267.7& 8364 $ 40467 $102845 $ 45088 $ 16909 # 11927 $ 1616 $ 211.1&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 624.8 & " ... Relative Uncertainty +/-10%
Ann. Median 46.51 & # ... Relative Uncertainty +/-15%
Annual Total 228058 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4754 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 3.55&10186 $ 878.9 # 111.5 $ 211.9 $ 5660 & 207.2 $ 2385 $ 1104 # 424.2 # 185.9 $ 29.33$ 1
2 2.96& 6247 $ 740.6 # 105.4 $ 204.7 $ 4578 & 201.5 $ 3466 $ 1022 # 375.9 # 168.8 $ 26.52$ 2
3 2.32& 4631 $ 623.9 # 97.02$ 199.0 $ 4508 & 196.0 $ 3914 $ 928.4 # 345.2 # 156.2 $ 24.99$ 3
4 1.76& 2938 $ 549.4 # 89.03$ 202.8 $ 5502 & 192.3 $ 4356 $ 826.1 # 321.5 # 142.3 $ 24.00$ 4
5 1.58& 2386 $ 510.9 # 83.62$ 217.1 # 5505 & 188.8 $ 4395 $ 740.3 # 288.6 # 130.7 $ 26.15$ 5
6 1.21& 2111 $ 466.3 # 79.89$ 215.9 # 4428 & 185.9 $ 3869 $ 671.5 # 270.7 # 118.0 $ 30.69$ 6
7 0.89& 1802 $ 414.0 # 71.82$ 199.2 $ 2384 & 183.1 $ 3406 $ 631.0 # 299.5 # 109.1 $ 31.21$ 7
8 0.75& 1621 # 365.6 # 66.47$ 184.3 $ 1863 & 180.2 $ 2888 $ 661.6 # 403.6 # 103.2 $ 26.63$ 8
9 0.55& 1560 # 324.1 # 62.65$ 181.5 $ 1434 & 179.5 $ 2390 $ 653.3 # 487.9 # 98.29$ 21.62$ 9
10 0.44& 1769 $ 274.1 # 61.66$ 183.9 ! 2241 & 266.3 $ 2180 $ 755.1 # 535.2 # 89.83$ 20.24$ 10
11 0.31& 2057 $ 222.1 $ 95.76$ 172.5 ! 993.3 & 382.9 # 2040 $ 723.2 # 502.0 # 84.25$ 19.05$ 11
12 0.18& 2814 $ 743.2 $ 376.2 # 178.1 ! 745.9 # 645.6 # 1859 $ 648.5 # 419.0 # 77.89$ 16.81" 12
13 0.07& 4790 $ 1780 $ 564.1 # 214.6 ! 629.8 # 1615 # 1876 " 585.4 # 616.8 # 74.59$ 15.63" 13
14 0.03& 4865 $ 1151 # 491.2 # 194.7 ! 622.4 # 1567 # 1737 # 523.0 # 791.3 # 72.33$ 14.08" 14
15 0.00& 4905 $ 872.2 # 366.3 # 185.2 ! 625.3 # 2179 $ 1529 # 495.7 # 603.6 # 67.04$ 13.19" 15
16 0.00& 4282 $ 1094 # 251.6 # 187.5 ! 568.5 # 3528 $ 1368 # 489.5 # 550.6 # 65.94$ 11.96" 16
17 0.00& 3340 $ 1165 # 203.0 $ 194.4 ! 541.1 # 4761 $ 1398 # 494.1 # 430.5 # 65.76$ 11.34" 17
18 0.00& 3441 $ 912.1 # 174.2 $ 177.7 & 487.1 # 4152 $ 2280 $ 625.6 # 358.2 # 64.83$ 11.10" 18
19 0.00& 3193 $ 687.6 # 199.4 $ 644.1 & 423.9 # 3519 $ 2390 $ 612.2 # 311.2 # 63.78$ 10.58" 19
20 0.00& 2944 $ 567.5 # 627.9 # 277.2 & 370.3 # 3343 $ 2079 $ 571.9 # 280.1 # 63.78$ 10.30" 20
21 0.00& 2681 $ 473.4 # 468.0 # 1640 & 333.1 # 3091 $ 1962 $ 523.5 # 255.6 # 63.78$ 10.04" 21
22 0.00& 2353 $ 402.7 # 405.5 # 1525 & 303.9 # 3565 $ 1799 " 465.7 # 237.6 # 63.64$ 9.72" 22
23 0.00& 2117 $ 339.2 # 525.3 # 1991 & 278.3 # 4879 $ 1576 # 515.0 # 221.3 $ 59.50$ 9.65" 23
24 0.00& 1868 $ 290.1 # 468.4 # 1978 & 260.5 # 6774 $ 1387 # 888.1 # 197.1 $ 54.35$ 9.10" 24
25 0.00& 1652 # 256.9 # 363.2 # 2046 & 247.7 # 8592 $ 1234 # 1081 # 178.8 $ 48.70$ 8.41" 25
26 0.00& 1411 # 213.9 $ 296.6 # 3293 & 235.0 # 8064 $ 1125 # 770.2 # 167.6 $ 45.17$ 8.13& 26
27 0.00& 1212 # 191.4 $ 276.3 # 3526 & 224.0 # 6104 $ 1072 # 657.5 # 159.3 $ 40.75$ 7.06& 27
28 2.58& 1041 # 172.9 $ 264.6 # 3740 & 215.8 # 4769 $ 1196 # 564.0 # 147.9 $ 37.33$ 6.37& 28
29 4656 $ 144.2 $ 240.2 # 4407 & 211.0 # 3881 $ 1308 # 524.1 # 145.2 $ 33.76$ 5.49& 29
30 12302 $ 123.2 $ 223.8 # 9075 & 209.8 $ 3258 $ 1373 # 478.4 # 197.5 $ 31.68$ 4.69& 30
31 19089 $ 115.0 $ 8348 & 2739 $ 1197 # 210.2 $ 3.95& 31
Mean 1163 &3079 $ 550.5 $ 257.0 $1484 !1554 &2690 $2162 $ 674.3 # 346.2 $ 82.70 $ 15.42 &
Median 0.178&2533 $ 466.3 $ 232.0 $ 214.6 ! 595.5 &2739 $1876 $ 639.7 # 311.2 $ 66.49 $ 11.96 &
Maximum 19089 &10186 $ 1780 $ 627.9 $ 9075 ! 5660 & 8592 $ 4395 $ 1104 # 791.3 $ 185.9 $ 31.21&
Minimum 0.000&1041 $ 115.0 $ 61.66 $ 172.5 ! 209.8 & 179.5 $1072 $ 465.7 # 145.2 $ 31.68 $ 3.947&
Total 36066 &86218 $17064 $ 7710 $45994 !46629 &83388 $67034 $20229 #10734 $ 2481 $ 478.0 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1162 ! ! ... Not reviewed / Quality not known
Ann. Median 370.3 ! " ... Relative Uncertainty +/-10%
Annual Total 424026 ! # ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
Maximum Minimum & ... Relative Uncertainty +/-30%
Daily 19089 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 3.38& 4.85& 0.00! 0.00& 11.62" 207.4 $ 2008 $ 5689 $ 1270 # 786.8 # 149.4 $ 144.6 ! 1
2 3.09& 3.59& 0.00& 0.00& 11.62" 155.3 $ 2502 $ 7504 $ 1129 # 675.9 # 141.2 $ 106.7 ! 2
3 2.92& 2.51& 0.00& 0.00& 11.62" 123.1 $ 4012 $ 9134 $ 1028 # 574.9 # 131.7 $ 85.59! 3
4 2.41& 1.80& 0.00& 0.00& 11.65" 512.6 $ 4993 $12676 $ 966.3 # 524.9 # 127.0 $ 72.61! 4
5 2.00& 1.13& 0.00& 0.00& 13.67" 725.7 # 4239 $11533 $ 910.0 # 592.1 # 195.5 $ 60.10! 5
6 1.57& 0.71& 0.00& 0.00& 16.48" 466.2 # 4256 $ 9010 $ 843.5 # 572.6 # 291.0 # 51.22! 6
7 1.16& 0.35& 0.00& 0.00& 18.31" 292.1 # 3500 $ 7606 $ 906.7 # 498.4 # 217.4 $ 45.84! 7
8 0.96& 0.15& 0.00& 0.00& 17.88" 369.6 # 2754 $ 5878 $ 1249 $ 454.4 # 196.9 $ 42.20! 8
9 0.74& 0.07& 0.00& 0.00& 16.42" 424.5 # 2339 $ 4762 $ 2127 $ 424.9 # 182.4 ! 38.40! 9
10 0.45& 0.01& 0.00& 0.00& 25.27$ 338.5 # 2124 $ 4053 $ 1576 # 390.4 # 164.6 ! 35.62! 10
11 0.23& 0.00& 0.00& 30.83& 35.08$ 322.2 # 1855 $ 3510 $ 1409 # 365.0 # 173.8 ! 32.91! 11
12 0.09& 0.00& 0.00& 41.21$ 51.01$ 293.0 # 1653 # 3072 $ 1551 # 344.8 # 151.5 ! 32.74! 12
13 0.03& 0.00& 0.00& 28.96$ 56.92$ 292.3 # 1520 # 2734 $ 1709 $ 328.0 # 129.7 ! 32.57! 13
14 0.00& 0.00& 0.00& 21.44$ 49.79$ 655.4 # 1466 # 2466 $ 2384 $ 305.7 # 114.4 ! 27.84! 14
15 0.00& 0.00& 0.00& 17.91$ 47.92$ 1912 $ 1374 # 2241 $ 2897 $ 286.4 # 103.8 ! 26.15! 15
16 0.00& 0.00& 0.00& 15.77" 52.24$ 2838 $ 2331 $ 2065 $ 3166 $ 250.4 # 92.97! 24.24! 16
17 0.00& 0.00& 0.00& 13.56" 55.35$ 2715 $ 5212 $ 1942 $ 2965 $ 239.0 # 84.49! 22.76! 17
18 0.00& 0.00& 0.00& 11.74" 51.38$ 2061 $ 5946 $ 2003 $ 2623 $ 238.5 # 78.58! 18.20! 18
19 0.00& 0.00& 0.00& 10.52" 47.35$ 1583 # 6349 " 2032 $ 2494 $ 407.4 # 85.75! 14.64" 19
20 0.00& 0.00& 0.00& 10.06" 43.96$ 1257 # 8522 $ 1991 $ 2096 $ 504.8 # 102.8 ! 14.65" 20
21 0.00& 0.00& 0.00& 9.72" 43.50$ 948.0 #11431 $ 1853 $ 1763 # 451.9 # 86.96! 15.04" 21
22 0.00& 0.00& 0.00& 9.31" 43.50$ 744.9 #11306 $ 1821 " 1507 # 345.4 # 75.88! 14.59" 22
23 0.00& 0.00& 0.00& 9.28" 46.81$ 999.8 # 8526 $ 1769 " 1314 # 294.8 # 69.59! 13.93" 23
24 0.00& 0.00! 0.00& 9.55" 51.35$ 1895 $ 7482 $ 1574 # 1183 # 252.8 # 65.66! 18.32$ 24
25 0.00& 0.00! 0.00& 10.01" 57.72$ 4333 $ 6676 " 1411 # 1048 # 227.5 # 62.28! 108.3 $ 25
26 0.00& 0.00! 0.00& 10.25" 58.61$ 2785 $ 5826 $ 1400 # 914.1 # 209.3 $ 59.95! 210.4 $ 26
27 0.00& 0.00! 0.00& 10.64" 50.05$ 3243 $ 5609 $ 1723 # 801.2 # 197.5 $ 57.71! 314.5 # 27
28 1.91& 0.00! 0.00& 10.64" 48.11$ 4125 $ 4769 $ 1654 # 707.1 # 181.5 $ 55.45! 263.4 # 28
29 9.00" 0.00& 11.12" 66.42$ 2922 $ 4515 $ 1535 # 639.0 # 173.3 $ 58.86! 184.9 $ 29
30 8.30& 0.00& 11.62" 131.3 $ 2297 $ 4870 $ 1437 # 658.8 # 164.9 $ 141.6 ! 133.2 $ 30
31 6.47& 0.00& 187.0 $ 4828 $ 1410 # 154.8 $ 120.9 $ 31
Mean 1.442& 0.542! 0.000! 10.14 & 46.13 $1395 $4671 $3855 $1528 $ 368.3 $ 121.6 ! 75.07 !
Median 0.090& 0.000! 0.000! 10.03 & 47.35 $ 846.5 $4515 $2065 $1292 $ 344.8 $ 109.1 ! 38.40 !
Maximum 9.00& 4.85! 0.00! 41.21& 187.0 $ 4333 $11431 $12676 $ 3166 $ 786.8 $ 291.0 ! 314.5 !
Minimum 0.000& 0.000! 0.000! 0.000& 11.62 $ 123.1 $1374 $1400 $ 639.0 $ 154.8 $ 55.45 ! 13.93 !
Total 44.7& 15.2! 0.0! 304.2& 1430 $ 41837 $144792 $119490 $ 45835 $ 11419 $ 3649 ! 2327 !
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1017 ! ! ... Not reviewed / Quality not known
Ann. Median 86.96 ! " ... Relative Uncertainty +/-10%
Annual Total 371143 ! # ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
Maximum Minimum & ... Relative Uncertainty +/-30%
Daily 12676 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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
1 113.1 $ 7.18& 15.45" 27.10$ 63.07$ 104.1 $ 6454 $ 1177 #15116 $ 2367 $ 161.7 $ 130.3 $ 1
2 116.8 $ 6.64& 13.30" 25.18$ 61.31$ 102.9 $ 5721 $ 1916 $13599 $ 2244 $ 147.0 $ 123.9 $ 2
3 98.52$ 5.55& 11.15" 24.30$ 55.60$ 100.7 $ 5115 $ 4907 $14319 $ 2394 $ 131.4 $ 112.3 $ 3
4 75.28$ 4.41& 9.68" 23.78$ 54.43$ 97.72$ 4373 $ 6065 $12013 $ 2421 $ 123.2 $ 101.4 $ 4
5 61.21$ 3.13& 8.60" 23.12$ 57.14$ 92.46$ 3525 $ 7675 $12591 $ 2394 $ 119.4 $ 91.01$ 5
6 45.63$ 2.47& 8.10& 21.92$ 86.65$ 89.87$ 2825 $ 8981 $11034 $ 2208 $ 119.5 $ 81.88$ 6
7 35.20$ 2.33& 7.52& 20.73$ 136.6 $ 87.76$ 2348 $ 7968 $10059 $ 2012 $ 134.8 $ 75.04$ 7
8 27.47$ 5.63& 7.14& 20.77$ 136.3 $ 81.78$ 1994 $ 6065 $ 9616 $ 1809 " 167.7 $ 70.00$ 8
9 21.62$ 138.5 $ 7.14& 20.39$ 106.5 $ 76.32$ 1757 " 6230 $ 7886 $ 1693 # 168.9 $ 68.76$ 9
10 17.16" 537.7 $ 6.76& 367.0 $ 84.55$ 74.90$ 1784 " 8766 $ 7091 $ 1582 # 130.1 $ 83.45$ 10
11 14.77" 559.0 # 5.87& 1456 # 77.19$ 75.52$ 1749 " 9135 $ 6468 " 1482 # 104.5 $ 72.10$ 11
12 11.90" 282.7 $ 5.74& 1046 # 70.84$ 169.9 $ 1757 " 8507 $ 6259 " 1447 # 93.98$ 65.42$ 12
13 9.87" 169.0 $ 5.35& 604.6 # 68.03$ 429.5 # 2636 $ 6732 $ 5954 $ 1399 # 92.33$ 56.89$ 13
14 8.42& 118.6 $ 4.53& 398.9 # 69.95$ 450.5 # 3299 $ 5297 $ 5573 $ 1325 # 95.13$ 49.68$ 14
15 7.21& 102.4 $ 4.07& 278.3 # 74.11$ 845.4 # 3210 $ 5335 $ 5149 $ 1277 # 314.2 $ 43.26$ 15
16 5.83& 102.2 $ 4.10& 213.6 $ 79.25$ 1369 # 3875 $ 6354 " 4720 $ 1199 # 208.8 $ 38.54$ 16
17 4.74& 97.71$ 4.09& 176.2 $ 88.38$ 1902 $ 3514 $ 5481 $ 4526 $ 1147 # 391.0 $ 34.49$ 17
18 4.38& 82.22$ 6.04& 144.1 $ 95.42$ 2149 $ 2496 $ 5299 $ 4306 $ 1204 # 405.4 # 31.41$ 18
19 3.59& 72.39$ 10.32" 122.6 $ 83.57$ 1999 $ 2412 $ 6831 $ 4232 $ 1072 # 381.4 # 28.91$ 19
20 2.81& 63.40$ 19.26$ 103.1 $ 74.03$ 1937 $ 3010 $ 6516 $ 5144 $ 825.6 # 715.0 # 25.42$ 20
21 2.66& 55.71$ 41.13$ 92.55$ 72.20$ 2158 $ 2850 $ 6450 $ 6160 $ 574.0 # 590.4 # 23.13$ 21
22 3.13& 48.32$ 57.37$ 79.00$ 80.20$ 1942 $ 3373 $ 6408 $ 6102 $ 449.6 # 377.0 # 21.69$ 22
23 4.36& 40.74$ 63.06$ 70.60$ 131.4 $ 1506 # 3218 $ 6969 $ 5596 $ 373.5 # 316.3 # 20.32$ 23
24 4.91& 36.90$ 57.31$ 67.06$ 210.8 $ 1373 # 2414 $ 8321 $ 4958 $ 328.1 # 248.5 # 18.94$ 24
25 4.91& 32.02$ 44.67$ 62.05$ 186.7 $ 1260 # 2037 $ 9942 $ 4361 $ 300.7 # 213.5 $ 17.67" 25
26 4.91& 28.13$ 37.23$ 57.31$ 137.2 $ 1218 # 1889 $10570 $ 3861 $ 264.8 # 189.5 $ 16.83" 26
27 4.50& 24.75$ 41.63$ 57.04$ 112.4 $ 1276 # 1753 "10341 $ 3409 $ 244.9 # 167.8 $ 16.30" 27
28 4.91& 21.03$ 39.51$ 59.35$ 103.0 $ 2435 $ 1652 #11161 $ 3127 $ 229.1 # 153.8 $ 14.65" 28
29 5.21& 18.17$ 33.86$ 67.40$ 99.43$ 3394 $ 1578 #12119 $ 2848 $ 212.5 $ 140.7 $ 14.25" 29
30 7.42& 32.60$ 66.62$ 108.4 $ 4406 $ 1429 #13332 $ 2584 $ 183.2 $ 132.6 $ 13.43" 30
31 7.52& 29.75$ 105.2 $ 1302 #15542 $ 169.4 $ 12.48" 31
Mean 23.87 & 92.03 & 20.72 & 193.2 $ 95.81 $1107 $2818 $7626 $6955 $1188 $ 224.5 $ 50.77 $
Median 7.425& 40.74 & 10.32 & 67.23 $ 84.55 $1032 $2496 $6831 $5775 $1204 $ 164.7 $ 38.54 $
Maximum 116.8 & 559.0 & 63.06& 1456 $ 210.8 $ 4406 $ 6454 $15542 $15116 $ 2421 $ 715.0 $ 130.3 $
Minimum 2.662& 2.332& 4.071& 20.39 $ 54.43 $ 74.90 $1302 $1177 $2584 $ 169.4 $ 92.33 $ 12.48 $
Total 739.9& 2669 & 642.3& 5796 $ 2970 $ 33204 $ 87350 $236391 $208657 $ 36832 $ 6736 $ 1574 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1704 & " ... Relative Uncertainty +/-10%
Ann. Median 131.4 & # ... Relative Uncertainty +/-15%
Annual Total 623562 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 15542 & 2.332&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 12.48 " 0.000& 0.000& 38.00 $ 40.28 $ 509.1 #2526 !2484 $1922 $ 813.1 # 135.9 $ 50.31 $ 1
2 12.48 " 0.000& 0.000& 33.50 $ 614.0 $ 511.5 #2334 $2281 $1828 "1217 # 131.0 $ 52.75 $ 2
3 11.88 " 0.000& 0.000& 31.99 $ 445.0 $ 521.5 #2080 $1907 $1618 # 981.5 # 107.6 $ 45.67 $ 3
4 11.19 " 0.000& 0.000& 29.19 $ 319.6 $ 470.1 #1857 $2043 $2146 $ 832.6 # 91.02 $ 38.46 $ 4
5 9.781" 0.000& 0.000& 26.47 $ 284.1 # 451.2 #1683 #2117 $2007 $ 773.8 # 78.45 $ 29.47 $ 5
6 8.851" 0.000& 0.000& 25.78 $ 353.9 # 385.1 #1618 #3595 $2116 $ 659.1 # 70.59 $ 24.43 $ 6
7 8.139& 0.000& 0.000& 23.71 $ 471.4 # 338.6 #1309 #4833 $3890 $ 595.2 # 67.45 $ 20.96 $ 7
8 6.977& 0.000& 0.000& 21.43 $ 461.9 # 297.8 #1073 #5532 $4960 $ 527.2 # 61.55 $ 18.20 $ 8
9 5.374& 0.000& 0.000& 20.25 $ 388.2 # 315.6 # 904.0 #6130 $3833 $ 453.3 # 59.58 $ 16.74 " 9
10 14.27 & 0.000& 0.000& 19.18 $ 320.5 # 396.5 # 761.5 #4680 $3592 $ 386.3 # 59.52 $ 15.95 " 10
11 15.04 " 0.000& 0.000& 17.79 " 275.8 #1058 # 689.2 #3983 $3163 $ 345.0 # 58.76 $ 14.29 " 11
12 9.462& 0.000& 0.000& 17.03 " 231.7 #1321 # 897.6 #4146 $2521 $ 312.2 # 59.57 $ 13.90 " 12
13 6.467& 0.000& 0.000& 17.08 " 194.8 $1050 # 935.0 #3637 $2115 $ 277.9 # 67.14 $ 13.70 " 13
14 4.731& 0.000& 0.000& 17.45 " 163.0 $ 860.9 #1248 #3000 $1874 $ 258.3 # 202.3 $ 13.12 " 14
15 3.639& 0.000& 0.000& 17.45 " 141.3 $ 748.2 #1333 #2983 $1670 # 283.6 # 168.8 $ 11.64 " 15
16 2.881& 0.000& 0.000& 17.15 " 128.7 $ 683.0 #1261 #2929 $1606 # 298.4 # 138.9 $ 9.598" 16
17 2.172& 0.000& 0.000& 16.83 " 116.2 $ 594.6 #1025 #2391 $1706 # 273.9 # 119.2 $ 7.997& 17
18 1.291& 0.000& 0.000& 21.60 $ 108.2 $ 562.0 # 895.2 #2078 $1793 " 245.5 # 115.2 $ 6.863& 18
19 1.138& 0.000& 0.000& 26.23 $ 107.2 $ 529.1 # 996.2 #2093 $1722 # 227.1 # 111.4 $ 6.076& 19
20 0.960& 0.000& 0.000& 30.68 $ 107.2 $ 482.9 # 908.9 #2048 $1503 # 200.1 $ 125.2 $ 5.426& 20
21 0.821& 0.000& 0.000& 34.98 $ 103.8 $ 458.5 # 794.5 #1742 #1377 # 184.3 $ 101.0 $ 4.354& 21
22 0.907& 0.000& 0.000& 36.37 $ 111.8 $ 416.4 ! 794.5 #1525 #1245 # 172.7 $ 80.16 $ 3.458& 22
23 0.842& 0.000& 0.000& 36.89 $ 122.0 $ 397.4 ! 852.8 #1341 #1166 # 163.0 $ 130.4 $ 2.748& 23
24 0.433& 0.000& 0.000& 36.88 $ 124.9 $ 399.3 ! 726.7 #1179 #1054 # 157.0 $ 109.8 $ 2.383& 24
25 0.241& 0.000& 57.88 & 35.31 $ 120.0 $ 581.5 ! 697.4 #1527 # 893.4 # 150.9 $ 86.37 $ 1.911& 25
26 0.105& 0.000& 149.5 $ 33.80 $ 103.6 $ 768.0 ! 744.0 #1561 # 772.0 # 145.0 $ 70.30 $ 1.500& 26
27 0.020& 0.000& 107.8 $ 32.96 $ 94.24 $1245 ! 814.4 #1290 # 670.8 # 144.7 $ 62.12 $ 1.120& 27
28 0.000& 0.000& 81.51 $ 32.48 $ 146.3 $1734 ! 797.4 #1210 # 607.4 # 152.6 $ 55.46 $ 1.035& 28
29 0.000& 66.06 $ 33.14 $ 422.4 #2577 !2070 $1826 $ 563.2 # 152.5 $ 50.23 $ 0.708& 29
30 0.000& 55.06 $ 34.54 $ 363.3 #3150 !2491 $2391 $ 740.6 # 137.0 $ 45.32 $ 0.460& 30
31 0.000& 45.65 $ 506.9 # 2582 $2061 $ 133.7 $ 0.373& 31
Mean 4.921& 0.000& 18.18 & 27.21 $ 241.7 $ 793.8 !1281 !2663 $1889 $ 376.0 $ 94.01 $ 14.05 &
Median 2.881& 0.000& 0.000& 27.83 $ 163.0 $ 525.3 ! 996.2 !2117 $1714 $ 273.9 $ 83.26 $ 9.598&
Maximum 15.04 & 0.000& 149.5 & 38.00 $ 614.0 $3150 !2582 !6130 $4960 $1217 $ 202.3 $ 52.75 &
Minimum 0.000& 0.000& 0.000& 16.83 $ 40.28 $ 297.8 ! 689.2 !1179 $ 563.2 $ 133.7 $ 45.32 $ 0.373&
Total 152.6 & 0.00& 563.5 & 816.2 $ 7492 $23815 !39698 !82542 $56678 $11654 $ 2820 $ 435.6 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 621.0 ! ! ... Not reviewed / Quality not known
Ann. Median 120.0 ! " ... Relative Uncertainty +/-10%
Annual Total 226668 ! # ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
Maximum Minimum & ... Relative Uncertainty +/-30%
Daily 6130 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.209& 0.000& 0.000& 0.000& 0.000&2227 $2446 $ 759.6 # 568.1 # 215.6 # 36.21 $ 9.491" 1
2 0.076& 0.000& 0.000& 0.000& 0.000&1713 #3578 $ 672.4 # 605.1 # 206.5 $ 34.57 $ 8.366& 2
3 0.022& 0.000& 0.000& 0.000& 0.000&1267 #3818 $ 608.2 # 614.3 # 189.0 $ 32.44 $ 7.067& 3
4 0.001& 0.000& 0.000& 0.000& 0.000&1141 #3776 $1863 $ 606.7 # 175.8 $ 31.43 $ 5.916& 4
5 0.000& 0.000& 0.000& 0.000& 0.000&1197 #3391 $2400 $ 566.6 # 162.0 $ 28.83 $ 4.742& 5
6 0.000& 0.000& 0.000& 0.000& 0.000&1038 #2878 $2371 $ 522.1 # 148.8 $ 26.71 $ 3.787& 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 858.4 #2520 $2663 $ 510.5 # 140.1 $ 24.60 $ 2.771& 7
8 0.000& 0.000& 0.000& 0.000& 0.000& 790.9 #2663 $2533 $ 475.4 # 133.2 $ 22.55 $ 2.416& 8
9 0.000& 0.000& 0.000& 0.000& 0.000& 735.4 #3388 $1986 $ 410.4 # 124.7 $ 20.45 $ 1.870& 9
10 0.000& 0.000& 0.000& 0.000& 0.000& 551.0 #3532 $1965 $ 437.5 # 117.8 $ 18.56 $ 1.287& 10
11 0.000& 0.000& 0.000& 0.000& 0.000& 468.8 #3703 $2378 $ 987.8 # 111.8 $ 16.58 " 0.853& 11
12 0.000& 0.000& 0.000& 0.000& 0.000& 414.7 #3567 $2829 $ 853.9 # 105.1 $ 15.51 " 0.518& 12
13 0.000& 0.000& 0.000& 0.000& 0.000& 356.3 #3282 $5673 $ 775.0 # 97.61 $ 14.52 " 0.260& 13
14 0.000& 0.000& 0.000& 0.000& 0.000& 321.3 #3154 $3627 $ 920.9 # 98.09 $ 13.29 " 0.129& 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 291.0 #2670 $2590 $ 937.5 # 108.7 $ 11.78 " 0.101& 15
16 0.000& 0.000& 0.000& 0.000& 3.660& 265.0 #2451 $2094 $ 664.3 # 117.7 $ 10.99 " 0.039& 16
17 0.000& 0.000& 0.000& 0.000& 5.294& 245.2 #2285 $1784 $ 534.4 # 118.9 $ 9.761" 0.011& 17
18 0.000& 0.000& 0.000& 0.000& 6.684& 231.1 #2017 $1505 # 447.4 # 111.9 $ 8.690" 0.000& 18
19 0.000& 0.000& 0.000& 0.000& 7.385& 248.5 #1776 "1288 # 384.8 # 91.66 $ 8.095& 0.000& 19
20 0.000& 0.000& 0.000& 0.000& 7.617& 450.9 #1585 #1108 # 343.0 # 79.62 $ 6.835& 0.000& 20
21 0.000& 0.000& 0.000& 0.000& 9.680"1343 $1425 # 978.5 # 312.3 # 71.61 $ 6.328& 0.000& 21
22 0.000& 0.000& 0.000& 0.000& 24.13 $2308 $1378 # 889.2 # 278.3 # 67.63 $ 5.762& 0.000& 22
23 0.000& 0.000& 0.000& 0.000& 68.18 $2510 $1445 # 795.0 # 255.7 # 63.86 $ 5.403& 0.000& 23
24 0.000& 0.000& 0.000& 0.000& 169.1 $2742 $1549 # 709.6 # 236.2 # 59.62 $ 5.381& 0.000& 24
25 0.000& 0.000& 0.000& 0.000& 207.6 $2560 $1437 # 647.5 # 221.1 # 53.04 $ 5.360& 0.000& 25
26 0.000& 0.000& 0.000& 0.000& 178.6 $2030 $1633 # 592.3 # 208.3 $ 49.29 $ 5.339& 0.000& 26
27 0.000& 0.000& 0.000& 0.000& 165.5 $1863 "1672 # 552.8 # 199.3 $ 46.74 $ 5.599& 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 107.0 $1669 #1399 # 515.0 # 190.8 $ 45.19 $ 7.992& 0.000& 28
29 0.000& 0.000& 0.000& 146.4 $1439 #1157 # 478.1 # 180.5 $ 43.03 $ 11.13 " 0.000& 29
30 0.000& 0.000& 0.000&2645 $1286 # 982.7 # 461.7 # 186.0 $ 41.43 $ 10.84 " 0.000& 30
31 0.000& 0.000& 2602 $ 869.7 # 484.3 # 38.92 $ 0.000& 31
Mean 0.010& 0.000& 0.000& 0.000& 205.0 &1152 $2369 $1606 $ 481.1 $ 104.4 $ 15.38 & 1.601&
Median 0.000& 0.000& 0.000& 0.000& 3.660&1090 $2446 $1288 $ 461.4 $ 105.1 $ 11.46 & 0.039&
Maximum 0.209& 0.000& 0.000& 0.000&2645 &2742 $3818 $5673 $ 987.8 $ 215.6 $ 36.21 & 9.491&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 231.1 $ 869.7 $ 461.7 $ 180.5 $ 38.92 $ 5.339& 0.000&
Total 0.31& 0.00& 0.00& 0.00& 6354 &34561 $73428 $49800 $14434 $ 3235 $ 461.5 & 49.62&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 499.5 & " ... Relative Uncertainty +/-10%
Ann. Median 9.680& # ... Relative Uncertainty +/-15%
Annual Total 182323 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 5673 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.00& 0.00& 0.00& 0.00& 5.21& 206.4 $ 919.7 #12038 $ 2187 $ 501.2 # 243.3 # 62.92$ 1
2 0.00& 0.00& 0.00& 0.00& 5.21& 193.4 $ 806.3 # 9302 $ 2055 $ 472.9 # 228.9 # 60.83$ 2
3 0.00& 0.00& 0.00& 0.00& 5.21& 184.1 $ 719.8 # 7504 $ 1951 $ 444.3 # 218.9 # 55.24$ 3
4 0.00& 0.00& 0.00& 0.00& 5.21& 165.8 $ 653.2 # 6438 $ 2836 $ 400.6 # 200.4 $ 49.33$ 4
5 0.00& 0.00& 0.00& 0.00& 5.10& 155.9 $ 613.5 # 5335 $ 2579 $ 334.7 # 181.2 $ 45.20$ 5
6 0.00& 0.00& 0.00& 0.00& 4.75& 218.5 $ 813.6 # 4497 $ 2201 $ 322.7 # 165.9 $ 41.41$ 6
7 0.00& 0.00& 0.00& 0.00& 4.44& 988.9 $ 864.0 # 3937 $ 3428 $ 317.3 # 155.8 $ 37.50$ 7
8 0.00& 0.00& 0.00& 0.00& 4.16& 3555 $ 1346 $ 3459 $ 3482 $ 312.6 # 177.0 $ 33.85$ 8
9 0.00& 0.00& 0.00& 0.00& 5.74& 6192 $ 2585 $ 3514 $ 4613 $ 304.1 # 232.2 # 29.60$ 9
10 0.00& 0.00& 0.00& 0.00& 246.4 $ 6722 " 2940 $ 3706 $ 4496 $ 302.8 # 257.2 # 25.77$ 10
11 0.00& 0.00& 0.00& 0.00& 467.6 # 5984 $ 4758 $ 3877 $ 2910 $ 302.6 # 222.4 $ 22.55$ 11
12 0.00& 0.00& 0.00& 0.00& 224.3 $ 5031 $12417 $ 4378 $ 2261 $ 310.0 # 194.9 $ 22.19$ 12
13 0.00& 0.00& 0.00& 0.00& 202.6 $ 4153 $14305 $ 7152 " 2125 $ 318.9 # 170.5 $ 20.78$ 13
14 0.00& 0.00& 0.00& 0.00& 201.6 $ 3225 $12571 $ 7689 $ 2400 $ 283.0 # 163.4 $ 19.86$ 14
15 0.00& 0.00& 0.00& 5.60& 198.2 $ 2549 $12072 $ 6971 $ 2272 $ 254.6 # 150.0 $ 20.20$ 15
16 0.00& 0.00& 0.00& 7.80& 152.1 $ 2037 $11561 $ 7263 $ 2872 $ 232.6 $ 135.3 $ 21.70$ 16
17 0.00& 0.00& 0.00& 8.97& 140.1 $ 1651 # 9514 $ 5293 $ 2276 $ 254.9 $ 109.0 $ 23.60$ 17
18 0.00& 0.00& 0.00& 9.43" 207.8 $ 1336 # 7849 $ 4344 $ 1699 $ 1898 $ 91.52$ 23.99$ 18
19 0.00& 0.00& 0.00& 9.43" 182.6 $ 1104 # 6570 " 3829 $ 1385 # 3128 $ 85.36$ 23.46$ 19
20 0.00& 0.00& 0.00& 9.84" 124.0 $ 990.3 # 9949 $ 3681 $ 1178 # 4005 $ 79.57$ 22.09$ 20
21 0.00& 0.00& 0.00& 10.12" 120.5 $ 1077 #19249 $ 4163 $ 1040 # 3932 $ 74.94$ 21.68$ 21
22 0.00& 0.00& 0.00& 9.49" 185.5 $ 1095 #19907 $ 3877 $ 942.6 # 2497 $ 71.81$ 22.22$ 22
23 0.00& 0.00& 0.00& 8.39" 550.8 # 1196 #19235 $ 3803 $ 838.8 # 1653 $ 66.88$ 22.22$ 23
24 0.00& 0.00& 0.00& 7.81& 866.8 # 1314 #13631 $ 3439 $ 763.7 # 1287 # 63.06$ 21.37$ 24
25 0.00& 0.00& 0.00& 6.93& 702.3 # 1590 #14827 $ 3282 $ 695.5 # 949.3 # 59.91$ 21.01$ 25
26 0.00& 0.00& 0.00& 6.29& 596.5 # 1755 #15983 $ 3113 $ 640.1 # 690.6 # 57.38$ 21.01$ 26
27 0.00& 0.00& 0.00& 6.73& 412.7 # 1596 #14711 $ 3006 $ 600.4 # 526.9 # 57.06$ 38.73$ 27
28 0.00& 0.00& 0.00& 6.12& 306.1 # 1462 #12388 $ 2868 $ 581.9 # 430.8 # 61.51$ 45.29$ 28
29 0.00& 0.00& 5.26& 311.5 # 1214 #11817 $ 2644 $ 574.8 # 362.1 # 62.61$ 35.56$ 29
30 0.00& 0.00& 5.21& 292.0 # 1053 #15800 $ 2465 $ 536.1 # 311.5 # 62.92$ 28.04$ 30
31 0.00& 0.00& 235.1 # 14687 $ 2326 $ 261.3 # 23.73$ 31
Mean 0.000& 0.000& 0.000& 4.115& 224.9 &2000 $9228 $4813 $1947 $ 890.4 $ 136.7 $ 31.06 $
Median 0.00& 0.00& 0.00& 5.24& 198.2 & 1325 $11561 $ 3877 $ 2090 $ 362.1 $ 142.7 $ 23.73$
Maximum 0.00& 0.00& 0.00& 10.12& 866.8 & 6722 $19907 $12038 $ 4613 $ 4005 $ 257.2 $ 62.92$
Minimum 0.000& 0.000& 0.000& 0.000& 4.157& 155.9 $ 613.5 $2326 $ 536.1 $ 232.6 $ 57.06 $ 19.86 $
Total 0.0& 0.0& 0.0& 123.4& 6972 & 59993 $286062 $149193 $ 58420 $ 27603 $ 4101 $ 962.9$
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1626 & " ... Relative Uncertainty +/-10%
Ann. Median 163.4 & # ... Relative Uncertainty +/-15%
Annual Total 593431 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 19907 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 22.22$ 0.00& 0.00& 0.00& 0.00& 310.2 $ 3841 $18923 $ 2552 $ 2470 $ 334.2 # 126.2 $ 1
2 19.73$ 0.00& 0.00& 0.00& 0.00& 163.0 $ 3026 $20184 $ 2325 $ 2011 $ 301.7 # 142.6 $ 2
3 17.11" 0.00& 0.00& 0.00& 0.00& 96.96$ 4473 $15632 $ 2157 $ 1724 # 268.2 # 149.8 $ 3
4 15.22" 0.00& 0.00& 0.00& 0.00& 73.74$ 4991 $12745 $ 2016 $ 1500 # 236.6 # 135.2 $ 4
5 13.41" 0.00& 0.00& 0.00& 0.00& 71.06$ 5055 $12807 $ 1856 " 1340 # 199.8 $ 120.4 $ 5
6 11.32" 0.00& 0.00& 0.00& 0.00& 62.78$ 4499 $14078 $ 1805 " 1208 # 224.8 $ 109.4 $ 6
7 9.32" 0.00& 0.00& 0.00& 0.00& 56.04$ 3190 $12580 $ 1756 " 1081 # 685.9 # 100.7 $ 7
8 7.89& 0.00& 0.00& 0.00& 0.00& 51.28$ 3369 $10748 $ 1720 " 967.5 # 1176 # 95.06$ 8
9 6.80& 0.00& 0.00& 0.00& 0.00& 49.26$ 3174 $ 8216 $ 1679 # 879.4 # 1702 # 88.84$ 9
10 5.91& 0.00& 0.00& 0.00& 8.07& 47.28$ 3114 $ 6936 " 2115 $ 895.9 # 1304 # 81.92$ 10
11 4.85& 0.00& 0.00& 0.00& 26.86$ 52.68$ 3326 $ 6531 " 4495 $ 963.1 # 887.5 # 77.89$ 11
12 4.12& 0.00& 0.00& 0.00& 27.55$ 60.86$ 2630 $ 5850 $ 4114 $ 800.1 # 623.3 # 76.66$ 12
13 3.08& 0.00& 0.00& 0.00& 24.88$ 66.95$ 2120 $ 8030 $ 3121 $ 684.9 # 480.2 # 78.14$ 13
14 2.21& 0.00& 0.00& 0.00& 21.59$ 67.17$ 1874 $ 8600 $ 2783 $ 619.5 # 389.7 # 78.77$ 14
15 1.62& 0.00& 0.00& 0.00& 19.40$ 70.48$ 1760 " 7826 $ 3202 $ 547.1 # 377.7 # 71.66$ 15
16 1.32& 0.00& 0.00& 0.00& 19.19$ 101.9 $ 3203 $ 7296 $ 4893 $ 498.0 # 756.1 # 64.07$ 16
17 1.13& 0.00& 0.00& 0.00& 20.39$ 161.9 $ 6833 $ 5744 $ 4472 $ 460.8 # 692.9 # 58.02$ 17
18 1.00& 0.00& 0.00& 0.00& 24.28$ 410.5 $11931 $ 4974 $ 3549 $ 436.6 # 454.9 # 50.00$ 18
19 0.71& 0.00& 0.00& 0.00& 24.77$ 1089 #18949 $ 4361 $ 3256 $ 407.2 # 389.6 # 44.81$ 19
20 0.37& 0.00& 0.00& 0.00& 23.47$ 2138 $16806 $ 4126 $ 2846 $ 388.6 # 324.6 # 41.23$ 20
21 0.15& 0.00& 0.00& 0.00& 21.25$ 3410 $10609 $ 4937 $ 2519 $ 467.6 # 281.5 # 38.20$ 21
22 0.06& 0.00& 0.00& 0.00& 19.55$ 4938 $ 9294 $ 4772 $ 3492 $ 758.0 # 250.9 # 34.89$ 22
23 0.01& 0.00& 0.00& 0.00& 18.53$ 5338 $ 9366 $ 4841 $ 3257 $ 800.4 # 228.7 # 33.36$ 23
24 0.00& 0.00& 0.00& 0.00& 17.96" 5547 $11690 $ 5200 $ 2740 $ 1179 # 198.7 $ 31.00$ 24
25 0.00& 0.00& 0.00& 0.00& 17.66" 3800 $14613 $ 4861 $ 2399 $ 1071 # 178.1 $ 28.33$ 25
26 0.00& 0.00& 0.00& 0.00& 17.66" 2584 $18821 $ 4599 $ 2272 $ 838.7 # 163.3 $ 25.78$ 26
27 0.00& 0.00& 0.00& 0.00& 19.48$ 2524 $17007 $ 4522 $ 3247 $ 688.6 # 153.1 $ 24.56$ 27
28 0.00& 0.00& 0.00& 0.00& 26.86$ 3515 $14168 $ 3793 $ 3128 $ 563.4 # 143.9 $ 22.62$ 28
29 0.00& 0.00& 0.00& 0.00& 27.46$ 3622 $15968 $ 3205 $ 2906 $ 462.0 # 134.9 $ 20.98$ 29
30 0.00& 0.00& 0.00& 27.46$ 4529 $19015 $ 2854 $ 2937 $ 405.2 # 130.6 $ 18.99$ 30
31 0.00& 0.00& 52.18$ 16448 $ 2686 $ 384.9 # 17.73" 31
Mean 4.825& 0.000& 0.000& 0.000& 16.34 &1500 $8554 $7821 $2854 $ 887.2 $ 455.8 $ 67.35 $
Median 1.323& 0.000& 0.000& 0.000& 19.40 & 162.4 $5055 $5850 $2815 $ 800.1 $ 313.1 $ 64.07 $
Maximum 22.22& 0.00& 0.00& 0.00& 52.18& 5547 $19015 $20184 $ 4893 $ 2470 $ 1702 $ 149.8 $
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 47.28 $1760 $2686 $1679 $ 384.9 $ 130.6 $ 17.73 $
Total 149.6& 0.0& 0.0& 0.0& 506.5& 45009 $265162 $242455 $ 85610 $ 27502 $ 13674 $ 2088 $
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1864 & " ... Relative Uncertainty +/-10%
Ann. Median 78.01 & # ... Relative Uncertainty +/-15%
Annual Total 682155 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 20184 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 16.66 " 0.000& 0.000& 610.8 ! 79.68 $ 317.7 # 234.5 # 635.4 #1601 $ 356.8 # 66.62 $ 25.70 $ 1
2 15.37 " 0.000& 0.461&2415 ! 90.71 $ 466.4 # 222.8 # 555.3 #2012 $ 347.9 # 63.20 $ 22.85 $ 2
3 13.76 " 0.000& 5.008&1693 ! 99.97 $ 543.6 # 229.8 # 505.4 #1683 # 321.1 # 59.47 $ 19.98 $ 3
4 12.11 " 0.000& 3.899& 969.8 ! 96.55 $ 688.3 # 294.3 # 905.7 #1545 # 294.8 # 54.99 $ 18.35 $ 4
5 10.12 " 0.000& 2.268& 427.9 ! 88.79 $ 754.1 # 359.1 #1877 $1574 $ 266.5 # 52.61 $ 16.51 " 5
6 7.733& 0.000& 1.062! 163.4 ! 82.57 $ 848.1 # 661.7 #2623 $3020 $ 247.4 # 49.55 $ 14.87 " 6
7 6.291& 0.000& 0.523! 84.34 ! 76.66 $ 831.7 #1050 #2658 $2899 $ 230.3 # 44.06 $ 13.47 " 7
8 5.059& 0.000& 0.228! 128.0 ! 71.90 $ 669.6 #1060 #2402 $2841 $ 206.2 $ 43.26 $ 12.66 " 8
9 4.038& 0.000& 0.082! 548.6 ! 67.48 $ 865.0 #1104 #2962 $4769 $ 407.7 # 42.05 $ 11.06 " 9
10 3.158& 0.000& 0.014! 545.2 ! 64.77 $ 802.8 # 872.4 #5180 $4035 $ 680.5 # 39.59 $ 10.16 " 10
11 2.309& 0.000& 0.000! 287.7 ! 63.33 $ 784.0 # 697.3 #4588 $3098 $ 493.7 # 36.19 $ 9.329" 11
12 1.584& 0.000& 0.000! 165.3 ! 60.82 $ 842.4 # 602.4 #3983 $2743 $ 394.5 # 33.35 $ 8.188& 12
13 1.059& 0.000& 0.000! 90.03 ! 63.94 $ 703.9 # 686.1 #3351 $2519 $ 366.9 # 33.68 $ 6.663& 13
14 0.717& 0.000& 0.000! 55.49 ! 71.51 $ 625.7 #1148 #2739 $2123 $ 353.2 # 34.30 $ 5.456& 14
15 0.468& 0.000& 0.000! 37.59 ! 79.34 $ 557.6 # 878.8 #3287 $1814 $ 314.1 # 34.30 $ 4.238& 15
16 0.239& 0.000& 0.000! 24.64 ! 83.83 $ 489.5 # 888.4 #3252 $1630 # 276.6 # 34.30 $ 3.708& 16
17 0.120& 0.000& 0.000! 16.62 ! 90.24 $ 435.5 # 886.3 #2687 $1433 # 223.0 $ 34.02 $ 3.561& 17
18 0.058& 0.000& 0.000! 14.26 ! 132.4 $ 395.9 # 712.6 #2789 $1249 # 192.8 $ 31.63 $ 3.418& 18
19 0.018& 0.000& 0.000! 10.75 ! 175.9 $ 412.6 # 609.6 #2714 $1095 # 167.3 $ 28.69 $ 2.942& 19
20 0.002& 0.000& 0.177! 75.60 ! 206.4 $ 470.8 # 527.7 #2080 $ 977.8 # 146.3 $ 26.18 $ 2.318& 20
21 0.000& 0.000& 2.764! 126.3 ! 206.2 $ 420.6 # 462.2 #1699 # 874.4 # 132.2 $ 24.96 $ 2.075& 21
22 0.000& 0.000& 8.695! 95.87 ! 192.0 $ 378.4 # 409.2 #1468 # 742.3 # 122.1 $ 27.00 $ 1.822& 22
23 0.000& 0.000& 6.526! 46.95 ! 194.1 $ 345.3 # 376.0 #1313 # 629.9 # 111.1 $ 33.15 $ 1.639& 23
24 0.000& 0.000& 2.859! 25.14 ! 202.2 $ 321.2 # 407.7 #1171 # 576.2 # 103.1 $ 39.84 $ 1.067& 24
25 0.000& 0.000& 2.164! 12.68 ! 204.7 $ 302.7 # 749.1 #1044 # 527.3 # 98.64 $ 39.74 $ 0.727& 25
26 0.000& 0.000& 1.650! 21.91 ! 196.9 $ 288.0 # 753.7 # 949.8 # 484.7 # 96.70 $ 39.26 $ 0.496& 26
27 0.000& 0.000& 0.944! 67.25 ! 189.2 $ 275.6 # 857.1 # 887.8 # 452.6 # 93.74 $ 37.67 $ 0.496& 27
28 0.000& 0.000& 0.646! 38.42 ! 177.1 $ 267.7 # 987.9 #1073 # 424.5 # 91.99 $ 34.38 $ 0.415& 28
29 0.000& 0.789! 70.68 ! 168.9 $ 265.0 # 896.4 #1367 # 395.7 # 90.83 $ 31.14 $ 0.175& 29
30 0.000& 2.380! 80.60 ! 158.9 $ 250.5 # 857.0 #1196 # 367.5 # 81.76 $ 28.54 $ 0.103& 30
31 0.000& 12.21 ! 185.3 $ 727.3 #1305 # 73.01 $ 0.037& 31
Mean 3.254& 0.000& 1.785! 298.3 ! 126.5 $ 520.7 # 684.1 #2105 $1671 $ 238.2 $ 39.26 $ 7.241&
Median 0.239& 0.000& 0.523! 82.47 ! 96.55 $ 468.6 # 712.6 #1877 $1560 $ 223.0 $ 35.28 $ 3.708&
Maximum 16.66 & 0.000& 12.21 !2415 ! 206.4 $ 865.0 #1148 #5180 $4769 $ 680.5 $ 66.62 $ 25.70 &
Minimum 0.000& 0.000& 0.000! 10.75 ! 60.82 $ 250.5 # 222.8 # 505.4 $ 367.5 $ 73.01 $ 24.96 $ 0.037&
Total 100.9 & 0.00& 55.35! 8950 ! 3922 $15620 #21208 #65248 $50136 $ 7383 $ 1178 $ 224.5 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 476.8 ! ! ... Not reviewed / Quality not known
Ann. Median 90.03 ! " ... Relative Uncertainty +/-10%
Annual Total 174026 ! # ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
Maximum Minimum & ... Relative Uncertainty +/-30%
Daily 5180 ! 0.000!
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.006& 0.000& 0.000& 0.000& 9.281& 50.86 $ 905.6 #1132 #5170 $1024 # 31.49 $ 0.002& 1
2 0.000& 0.000& 0.000& 0.000& 9.815" 47.99 $1080 #1137 #4617 $ 936.2 # 28.05 $ 0.031& 2
3 0.000& 0.000& 0.000& 0.000& 10.60 " 47.37 $1302 #1192 #4110 $ 852.2 # 30.10 & 0.251& 3
4 0.000& 0.000& 0.000& 0.000& 9.296" 51.51 $1731 $1105 #3678 $ 743.9 # 45.41 $ 2.967& 4
5 0.000& 0.000& 0.000& 0.000& 8.453& 166.9 $2046 $1212 #3884 $ 863.9 # 34.44 & 0.915& 5
6 0.000& 0.000& 0.000& 0.000& 7.759& 147.3 $2463 $1558 #3498 $ 729.8 # 25.21 & 0.519& 6
7 0.000& 0.000& 0.000& 0.000& 7.759& 115.7 $2687 $1996 $3164 $ 600.7 # 35.00 & 5.388& 7
8 0.000& 0.000& 0.000& 0.000& 8.155& 280.7 $2555 $1916 $2916 $ 510.0 # 38.58 & 1.878& 8
9 0.000& 0.000& 0.000& 0.000& 23.77 $ 316.3 #2581 $1613 #2678 $ 436.0 # 34.04 & 4.423& 9
10 0.000& 0.000& 0.000& 0.000& 54.63 $ 950.1 #2417 $1483 #2436 $ 355.0 # 31.42 & 0.096& 10
11 0.000& 0.000& 0.000& 0.000& 48.12 $1488 #2166 $1444 #2107 $ 286.0 # 31.09 & 0.321& 11
12 0.000& 0.000& 0.000& 0.000& 30.44 $1210 #2095 $1276 #1848 $ 284.7 # 29.07 & 0.506& 12
13 0.000& 0.000& 0.000& 0.000& 22.48 $1424 #2078 $1127 #1606 # 287.6 # 8.350& 2.195& 13
14 0.000& 0.000& 0.000& 0.000& 19.01 $1199 #1995 $1018 #1399 # 237.4 $ 6.174& 3.020& 14
15 0.000& 0.000& 0.000& 0.000& 16.82 " 842.9 #1917 $ 928.4 #1291 # 191.7 $ 14.86 & 0.002& 15
16 0.000& 0.000& 0.000& 0.000& 15.28 " 665.8 #1799 " 864.8 #1254 # 190.5 $ 23.79 & 0.004& 16
17 0.000& 0.000& 0.000& 0.000& 14.51 " 588.9 #1559 # 816.1 #1165 # 209.7 $ 25.75 & 0.063& 17
18 0.000& 0.000& 0.000& 0.000& 13.97 " 947.1 #1427 #1104 #1083 # 197.2 $ 9.202& 0.009& 18
19 0.000& 0.000& 0.000& 0.000& 13.30 "1036 #1494 #1262 # 981.1 # 167.7 $ 13.12 & 0.000& 19
20 0.000& 0.000& 0.000& 0.000& 14.37 "1143 #1351 #1034 # 890.9 # 187.7 $ 14.26 & 0.002& 20
21 0.000& 0.000& 0.000& 0.000& 18.38 $1016 #1262 # 920.4 #1056 # 191.3 $ 11.52 & 0.195& 21
22 0.000& 0.000& 0.000& 0.000& 23.27 $ 873.5 #1316 # 808.7 #1677 # 166.0 $ 1.077& 0.030& 22
23 0.000& 0.000& 0.000& 0.000& 27.78 $ 759.5 #1439 # 804.0 #1621 # 112.4 $ 1.853& 0.000& 23
24 0.000& 0.000& 0.000& 0.132& 24.41 $ 811.3 #1449 # 792.4 #1475 # 104.4 $ 4.134& 0.000& 24
25 0.000& 0.000& 0.000& 6.244& 20.08 $ 737.7 #1298 # 701.8 #1665 # 91.47 $ 0.446& 0.000& 25
26 0.000& 0.000& 0.000& 7.549& 32.61 $ 664.3 #1558 # 639.9 #1591 # 109.8 $ 0.375& 0.078& 26
27 0.000& 0.000& 0.000& 7.874& 59.20 $ 661.5 #1592 # 569.5 #1359 # 121.0 $ 1.153& 0.313& 27
28 0.000& 0.000& 0.000& 7.717& 61.28 $ 707.8 #1443 #1000 #1155 # 104.9 $ 5.701& 0.244& 28
29 0.000& 0.000& 6.764& 51.88 $ 723.4 #1226 #1976 $1010 # 80.39 $ 3.636& 0.365& 29
30 0.000& 0.000& 6.653& 42.65 $ 812.2 #1077 #2973 $ 977.8 # 80.09 $ 3.783& 0.156& 30
31 0.000& 0.000& 52.64 $ 1028 #3895 $ 81.82 $ 0.034& 31
Mean 0.000& 0.000& 0.000& 1.431& 24.90 & 682.9 $1688 $1300 $2112 $ 339.9 $ 18.10 & 0.774&
Median 0.000& 0.000& 0.000& 0.000& 19.01 & 730.5 $1558 $1127 $1613 $ 197.2 $ 14.56 & 0.156&
Maximum 0.006& 0.000& 0.000& 7.874& 61.28 &1488 $2687 $3895 $5170 $1024 $ 45.41 & 5.388&
Minimum 0.000& 0.000& 0.000& 0.000& 7.759& 47.37 $ 905.6 $ 569.5 $ 890.9 $ 80.09 $ 0.375& 0.000&
Total 0.01& 0.00& 0.00& 42.93& 772.0 &20486 $52336 $40301 $63362 $10535 $ 543.1 & 24.01&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 516.2 & " ... Relative Uncertainty +/-10%
Ann. Median 19.01 & # ... Relative Uncertainty +/-15%
Annual Total 188404 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 5170 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.146& 9.270& 0.000& 0.336& 12.46 "4733 $3293 $4113 $2816 $1903 $ 353.2 # 55.51 $ 1
2 0.135& 8.676& 0.000& 0.711& 13.41 "4156 $3076 $3625 $2715 $1668 # 270.5 # 51.41 $ 2
3 0.046& 7.704& 0.000& 2.253& 14.39 "3086 $2825 $3156 $3224 $1483 # 258.7 # 48.39 $ 3
4 0.000& 5.466& 0.000& 4.405& 16.04 "2759 $2714 $2783 $4025 $1323 # 258.4 # 47.16 $ 4
5 0.000& 4.959& 0.000& 7.364& 17.69 "2580 $4088 $2396 $3924 $1196 # 253.1 # 47.91 $ 5
6 0.000& 3.896& 0.000& 12.70 & 19.17 $2432 $5705 $2132 $4072 $1106 # 251.2 # 44.33 $ 6
7 0.000& 3.491& 0.000& 14.01 & 18.68 $2272 $7787 $2103 $3495 $1379 $ 235.8 # 40.61 $ 7
8 0.001& 2.335& 0.000& 13.76 & 18.82 $2044 $9924 $1915 $2743 $4751 $ 225.4 # 36.99 $ 8
9 0.000& 1.083& 0.000& 15.01 & 20.46 $1822 $8222 $1769 "2332 $6532 $ 228.7 # 31.85 $ 9
10 0.000& 0.884& 0.000& 13.32 & 21.44 $1604 #6920 "2005 $2093 $5397 $ 210.1 $ 26.91 $ 10
11 0.000& 1.170& 0.000& 13.65 & 21.84 $1485 #5661 $3199 $3699 $4358 $ 201.7 $ 23.75 $ 11
12 0.000& 0.927& 0.000& 15.47 & 25.16 $1527 #4664 $3281 $4449 $3553 $ 182.1 $ 22.60 $ 12
13 0.000& 0.561& 0.000& 15.15 & 31.39 $1423 #4307 $4340 $4232 $3061 $ 160.2 $ 28.43 $ 13
14 0.000& 0.117& 0.000& 15.37 & 30.79 $1356 #5409 $4594 $5468 $4044 $ 149.3 $ 33.35 $ 14
15 0.000& 0.085& 0.000& 20.99 $ 30.89 $1310 #6663 "3193 $5696 $3946 $ 138.4 $ 41.91 $ 15
16 0.000& 0.079& 0.000& 19.82 $ 30.12 $1503 #6673 "2876 $4813 $3458 $ 123.8 $ 41.57 $ 16
17 0.000& 0.047& 0.000& 19.73 $ 30.76 $1690 $7890 $2918 $4997 $3835 $ 130.4 $ 32.05 $ 17
18 0.000& 0.029& 0.000& 20.14 $ 34.52 $3173 $6696 $4522 $4616 $3142 $ 166.3 $ 27.11 $ 18
19 0.000& 0.006& 0.000& 18.83 $ 77.86 $3991 $6041 $6220 $3323 $2334 $ 243.2 $ 23.71 $ 19
20 0.000& 0.000& 0.000& 18.05 $ 335.8 #3952 $4745 $7942 $2690 $1901 $ 211.9 $ 22.94 $ 20
21 0.000& 0.000& 0.000& 24.98 $ 378.5 #3501 $3725 $7231 $2556 $1578 # 245.1 # 21.67 $ 21
22 0.000& 0.000& 0.110& 22.55 $ 377.6 #3128 $3089 $5725 $3157 $1315 # 191.2 $ 20.55 $ 22
23 10.06 & 0.000& 8.472& 19.91 $ 318.3 #3935 $2640 $4332 $3094 $1112 # 155.1 $ 20.03 $ 23
24 4.551& 0.000& 0.983& 17.44 " 225.4 $3978 $2313 $4343 $2867 $ 961.8 # 129.4 $ 17.88 $ 24
25 5.513& 0.000& 0.380& 15.90 " 215.3 $4100 $2104 $5112 $2910 $ 843.9 # 109.7 $ 15.22 " 25
26 59.66 $ 0.000& 0.097& 15.24 " 199.7 $4141 $2761 $5121 $2632 $ 714.1 # 103.3 $ 12.79 " 26
27 45.90 $ 0.000& 0.398& 14.44 " 484.0 $3715 $3366 $4735 $2556 $ 626.6 # 89.89 $ 11.02 " 27
28 39.59 $ 0.000& 5.242& 13.86 "5741 $3442 $3759 $4582 $2836 $ 564.4 # 78.64 $ 9.250& 28
29 37.35 $ 4.059& 13.08 "7867 $3492 $4532 $3955 $2440 $ 508.5 # 71.45 $ 7.777& 29
30 23.54 $ 1.551& 12.29 "6136 $3416 $4454 $3479 $2135 $ 459.5 # 63.98 $ 6.480& 30
31 9.860& 0.298& 4976 $ 4362 $3075 $ 416.9 # 6.050& 31
Mean 7.624& 1.814& 0.696& 14.36 & 894.8 $2858 $4852 $3896 $3420 $2241 $ 183.0 $ 28.30 &
Median 0.000& 0.101& 0.000& 15.08 & 30.89 $3107 $4454 $3625 $3126 $1578 $ 186.6 $ 26.91 &
Maximum 59.66 & 9.270& 8.472& 24.98 &7867 $4733 $9924 $7942 $5696 $6532 $ 353.2 $ 55.51 &
Minimum 0.000& 0.000& 0.000& 0.336& 12.46 $1310 $2104 $1769 $2093 $ 416.9 $ 63.98 $ 6.050&
Total 236.4& 50.8& 21.6& 430.8& 27739 $ 85749 $150408 $120771 $102604 $ 69472 $ 5490 $ 877.2&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1545 & " ... Relative Uncertainty +/-10%
Ann. Median 160.2 & # ... Relative Uncertainty +/-15%
Annual Total 563849 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 9924 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 4.45&13412 $ 144.3 $ 278.4 # 118.6 $ 90.91$ 563.5 # 1630 # 4443 $ 482.5 # 86.30$ 25.46$ 1
2 520.8 &11577 $ 684.3 # 205.1 $ 109.0 $ 92.36$ 2066 $ 1825 $ 4324 $ 451.3 # 83.08$ 23.52$ 2
3 586.8 #10569 $ 568.4 # 158.1 $ 105.4 $ 90.81$ 2357 $ 2070 $ 4611 $ 418.9 # 79.43$ 21.94$ 3
4 280.3 # 9826 $ 517.9 # 119.6 $ 102.2 $ 95.20$ 2773 $ 1794 " 3817 $ 392.4 # 77.08$ 20.19$ 4
5 180.0 $ 9473 $ 514.8 # 95.09$ 103.2 $ 93.80$ 3476 $ 2032 $ 2920 $ 366.4 # 73.61$ 17.86$ 5
6 126.4 $ 9049 $ 515.4 # 78.53$ 104.1 $ 96.71$ 3025 $ 3417 $ 3406 $ 346.0 # 71.21$ 16.02" 6
7 138.3 $ 8428 $ 515.4 # 69.19$ 102.1 $ 176.2 $ 2659 $ 3527 $ 3480 $ 325.5 # 68.57$ 14.00" 7
8 98.88$ 7606 $ 508.9 # 64.22$ 98.12$ 182.9 $ 2375 $ 3380 $ 3052 $ 305.6 # 69.04$ 12.03" 8
9 81.90$ 6599 " 409.7 # 62.63$ 95.83$ 180.5 $ 1896 $ 3293 $ 3500 $ 286.6 # 71.57$ 10.68" 9
10 129.3 $ 5658 $ 289.7 # 60.95$ 96.14$ 183.6 $ 1623 # 2699 $ 3099 $ 268.2 # 73.51$ 9.18" 10
11 88.02$ 4948 $ 226.2 # 60.72$ 121.3 $ 188.8 $ 2454 $ 2248 $ 2343 $ 251.0 # 72.17$ 7.89& 11
12 85.46$ 4325 $ 378.5 # 60.71$ 147.3 $ 202.1 $ 2088 $ 1896 $ 1973 $ 235.6 # 66.18$ 6.91& 12
13 73.59$ 3784 $ 656.6 # 61.01$ 156.9 $ 201.7 $ 2535 $ 1674 # 1775 " 221.5 # 60.29$ 5.90& 13
14 116.9 $ 3297 $ 648.2 # 61.37$ 132.9 $ 318.6 $ 3033 $ 1509 # 1640 # 207.6 $ 54.21$ 5.11& 14
15 1364 $ 2860 $ 561.1 # 62.46$ 123.0 $ 905.9 # 3495 $ 1418 # 1511 # 193.6 $ 49.05$ 4.25& 15
16 1024 # 2461 $ 345.4 # 63.71$ 124.9 $ 656.7 # 3234 $ 2373 $ 1384 # 179.9 $ 46.06$ 3.52& 16
17 1309 # 2156 $ 204.8 $ 65.92$ 118.7 $ 511.2 # 4861 $ 2635 $ 1223 # 166.9 $ 42.76$ 2.94& 17
18 784.9 # 1908 $ 138.9 $ 64.70$ 118.5 $ 537.2 # 6663 $ 2359 $ 1132 # 154.5 $ 40.31$ 2.33& 18
19 497.9 # 1655 # 100.9 $ 66.16$ 122.2 $ 604.9 # 6392 " 2140 $ 1040 # 144.8 $ 38.01$ 2.09& 19
20 445.9 # 1444 # 80.04$ 67.47$ 116.7 $ 837.8 # 7597 $ 2072 $ 955.9 # 136.5 $ 35.33$ 1.84& 20
21 365.4 # 1322 # 73.30$ 69.21$ 111.0 $ 736.2 # 6137 $ 1739 # 867.8 # 129.0 $ 31.96$ 1.33& 21
22 499.2 # 1272 # 68.15$ 69.94$ 106.8 $ 650.9 # 4676 $ 1468 # 783.3 # 124.5 $ 30.20$ 0.94& 22
23 2271 $ 1190 # 61.29$ 71.23$ 103.0 $ 665.6 # 4190 $ 1271 # 723.1 # 125.3 $ 29.07$ 0.73& 23
24 13341 $ 828.7 # 61.32$ 71.96$ 101.1 $ 633.6 # 3555 $ 1257 # 669.1 # 124.6 $ 26.95$ 0.66& 24
25 21900 $ 474.1 # 57.51$ 72.85$ 99.74$ 569.9 # 3059 $ 1293 # 618.5 # 118.2 $ 25.08$ 0.74& 25
26 17762 $ 273.3 # 54.55$ 75.06$ 98.36$ 649.6 # 2771 $ 1634 # 580.3 # 112.7 $ 23.22$ 0.79& 26
27 18793 $ 182.7 $ 53.05$ 80.04$ 97.63$ 551.7 # 2324 $ 1628 # 545.6 # 108.3 $ 25.16$ 0.89& 27
28 21890 $ 138.2 $ 361.1 $ 94.29$ 92.90$ 468.6 # 2045 $ 1557 # 571.6 # 104.7 $ 27.06$ 1.02& 28
29 22363 $ 111.2 $ 821.6 # 140.0 $ 86.95$ 437.0 # 1913 $ 1940 $ 557.1 # 99.89$ 30.06$ 1.07& 29
30 18852 $ 760.7 # 142.1 $ 85.05$ 394.8 # 1719 # 1975 $ 507.8 # 96.49$ 28.16$ 0.91& 30
31 15804 $ 466.0 # 84.23$ 1594 # 3465 $ 91.08$ 0.77& 31
Mean 5219 &4373 $ 349.9 $ 90.42 $ 109.2 $ 400.2 $3198 $2104 $1935 $ 218.4 $ 51.16 $ 7.210&
Median 499.2 &2860 $ 361.1 $ 69.57 $ 104.1 $ 415.9 $2771 $1940 $1448 $ 179.9 $ 47.56 $ 3.524&
Maximum 22363 &13412 $ 821.6 $ 278.4 $ 156.9 $ 905.9 $ 7597 $ 3527 $ 4611 $ 482.5 $ 86.30$ 25.46&
Minimum 4.450& 111.2 $ 53.05 $ 60.71 $ 84.23 $ 90.81 $ 563.5 $1257 $ 507.8 $ 91.08 $ 23.22 $ 0.658&
Total 161777 &126824 $ 10848 $ 2713 $ 3384 $ 12006 $ 99149 $ 65217 $ 58053 $ 6770 $ 1535 $ 223.5&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1499 & " ... Relative Uncertainty +/-10%
Ann. Median 270.8 & # ... Relative Uncertainty +/-15%
Annual Total 548498 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 22363 & 0.658&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.553& 0.000& 0.000& 0.000& 0.000& 69.27 $ 52.84 $2737 $ 481.3 #1241 # 95.21 $ 12.77 " 1
2 0.363& 0.000& 0.000& 0.000& 0.000& 70.32 $ 53.84 $3763 $ 442.7 #1069 # 86.10 $ 11.47 " 2
3 0.184& 0.000& 0.000& 0.000& 0.000& 91.58 $ 58.26 $2878 $ 414.6 # 917.7 # 73.42 $ 10.41 " 3
4 0.066& 0.000& 0.000& 0.000& 0.000& 91.37 $ 65.99 $2244 $ 396.5 # 718.3 # 61.16 $ 9.612" 4
5 0.009& 0.000& 0.000& 0.000& 0.000& 76.54 $ 67.62 $1769 $ 373.8 # 567.1 # 54.01 $ 9.351" 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 59.72 $ 70.56 $1616 # 393.9 # 469.2 # 49.26 $ 9.594" 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 52.53 $ 104.6 $1432 # 421.1 # 368.5 # 45.59 $ 9.422" 7
8 0.000& 0.000& 0.000& 0.000& 2.372& 70.19 $ 157.4 $1171 # 363.5 # 316.5 # 41.42 $ 9.051" 8
9 0.000& 0.000& 0.000& 0.000& 6.433& 72.70 $ 201.8 $1407 # 424.1 # 276.1 # 37.26 $ 8.199& 9
10 0.000& 0.000& 0.000& 0.000& 2.553& 84.06 $ 205.3 $1558 # 625.3 # 241.7 # 33.28 $ 6.993& 10
11 0.000& 0.000& 0.000& 0.000& 0.682& 93.29 $ 188.7 $1302 # 530.7 # 218.0 $ 29.70 $ 5.992& 11
12 0.000& 0.000& 0.000& 0.000& 0.542& 92.31 $ 207.6 $1356 # 508.7 # 193.6 $ 26.55 $ 5.106& 12
13 0.000& 0.000& 0.000& 0.000& 2.569& 85.18 $ 225.8 #1425 # 477.5 # 143.6 $ 23.52 $ 4.391& 13
14 0.000& 0.000& 0.000& 0.000& 12.82 & 78.95 $ 213.6 $1765 $ 447.3 # 126.4 $ 21.07 $ 3.817& 14
15 0.000& 0.000& 0.000& 0.000& 11.79 & 72.59 $ 183.8 $2384 $ 424.9 # 120.5 $ 19.99 $ 3.451& 15
16 0.000& 0.000& 0.000& 0.000& 5.511& 70.24 $ 161.0 $2298 $ 373.3 # 114.3 $ 19.04 $ 3.178& 16
17 0.000& 0.000& 0.000& 0.000& 2.578& 67.98 $ 147.2 $2892 $ 331.4 # 111.1 $ 17.73 " 2.674& 17
18 0.000& 0.000& 0.000& 0.000& 1.299& 66.98 $ 136.1 $3636 $ 293.9 # 106.0 $ 17.07 " 2.335& 18
19 0.000& 0.000& 0.000& 0.000& 0.687& 66.77 $ 126.2 $2421 $ 264.2 # 102.7 $ 18.57 $ 2.169& 19
20 0.000& 0.000& 0.000& 0.000& 1.836& 64.32 $ 119.9 $1781 $ 239.9 # 106.9 $ 18.90 $ 1.951& 20
21 0.000& 0.000& 0.000& 0.000& 7.834& 62.13 $ 117.7 $1447 # 218.9 $ 213.1 $ 20.10 $ 1.735& 21
22 0.000& 0.000& 0.000& 0.000& 7.440& 60.61 $ 111.1 $1182 # 209.2 $ 345.7 # 29.28 $ 1.554& 22
23 0.000& 0.000& 0.000& 0.000& 7.065& 58.85 $ 106.6 $1007 # 281.2 # 294.3 # 33.44 $ 1.260& 23
24 0.000& 0.000& 0.000& 0.000& 8.503& 57.48 $ 100.3 $1044 # 301.2 # 211.8 $ 31.73 $ 1.115& 24
25 0.000& 0.000& 0.000& 0.000& 12.90 " 55.60 $ 95.27 $ 964.5 # 253.3 # 185.7 $ 34.70 $ 1.107& 25
26 0.000& 0.000& 0.000& 0.000& 17.33 $ 54.43 $ 90.60 $ 832.6 # 244.8 # 167.9 $ 28.97 $ 0.921& 26
27 0.000& 0.000& 0.000& 0.000& 20.33 $ 54.18 $ 86.97 $ 801.8 # 246.1 # 144.2 $ 24.52 $ 0.905& 27
28 0.000& 0.000& 0.000& 0.000& 22.60 $ 53.40 $ 89.74 $ 835.0 # 260.3 # 134.5 $ 20.98 $ 0.732& 28
29 0.000& 0.000& 0.000& 25.81 $ 52.31 $ 102.5 $ 727.0 # 971.1 # 126.2 $ 17.87 $ 0.692& 29
30 0.000& 0.000& 0.000& 47.87 $ 51.57 $1811 $ 618.8 #1902 $ 114.6 $ 14.99 " 0.714& 30
31 0.000& 0.000& 80.04 $ 2592 $ 533.9 # 105.8 $ 0.767& 31
Mean 0.038& 0.000& 0.000& 0.000& 9.980& 68.58 $ 259.8 $1672 $ 437.2 $ 308.8 $ 34.85 $ 4.627&
Median 0.000& 0.000& 0.000& 0.000& 2.578& 67.48 $ 117.7 $1432 $ 383.9 $ 193.6 $ 29.12 $ 3.178&
Maximum 0.553& 0.000& 0.000& 0.000& 80.04 & 93.29 $2592 $3763 $1902 $1241 $ 95.21 $ 12.77 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 51.57 $ 52.84 $ 533.9 $ 209.2 $ 102.7 $ 14.99 $ 0.692&
Total 1.18& 0.00& 0.00& 0.00& 309.4 & 2057 $ 8052 $51830 $13117 $ 9572 $ 1045 $ 143.4 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 236.0 & " ... Relative Uncertainty +/-10%
Ann. Median 18.90 & # ... Relative Uncertainty +/-15%
Annual Total 86129 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3763 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.707& 0.000& 0.000& 0.000& 5.165& 20.57 $ 340.0 # 695.4 # 843.2 # 169.3 $ 99.04 $ 5.814& 1
2 0.541& 0.000& 0.000& 0.000& 5.266& 27.49 $ 433.4 # 622.0 #1630 # 153.4 $ 107.4 $ 5.042& 2
3 0.371& 0.000& 0.000& 0.000& 5.398& 56.41 $ 411.1 # 559.1 #1723 # 141.9 $ 103.7 $ 4.266& 3
4 0.302& 0.000& 0.000& 0.000& 6.037& 124.8 $ 362.6 # 593.5 #1317 # 134.3 $ 81.90 $ 3.471& 4
5 0.233& 0.000& 0.000& 0.000& 5.613& 181.1 $ 492.8 # 962.7 #1063 # 134.5 $ 67.53 $ 3.260& 5
6 0.141& 0.000& 0.000& 0.000& 9.762& 221.8 $ 452.0 # 881.9 #1139 # 236.2 $ 58.87 $ 3.258& 6
7 0.088& 0.000& 0.000& 0.000& 12.13 " 179.4 $ 461.5 # 733.0 # 935.9 # 397.1 # 52.24 $ 2.975& 7
8 0.058& 0.000& 0.000& 0.000& 19.70 $ 131.3 $ 500.4 # 669.4 # 745.3 # 281.1 # 47.05 $ 2.455& 8
9 0.039& 0.000& 0.000& 0.000& 40.66 $ 130.2 $ 455.7 # 933.2 # 624.1 # 223.2 # 42.44 $ 1.775& 9
10 0.048& 0.000& 0.000& 0.000& 58.98 $ 148.9 $ 469.0 #1555 # 539.2 # 207.2 $ 38.81 $ 1.378& 10
11 0.025& 0.000& 0.000& 0.000& 59.11 $ 145.2 $ 950.0 #1486 # 468.6 # 185.9 $ 35.44 $ 1.200& 11
12 0.008& 0.000& 0.000& 0.000& 58.48 $ 127.5 $1813 $1225 # 416.0 # 165.1 $ 32.15 $ 0.880& 12
13 0.001& 0.000& 0.000& 0.000& 60.95 $ 146.0 $2006 $1118 # 379.9 # 169.3 $ 29.42 $ 0.671& 13
14 0.000& 0.000& 0.000& 0.000& 54.48 $ 197.8 $1668 #1048 # 366.0 # 171.9 $ 26.68 $ 0.640& 14
15 0.000& 0.000& 0.000& 0.000& 44.76 $ 241.3 #1696 # 966.7 # 687.7 # 155.0 $ 24.14 $ 0.548& 15
16 0.000& 0.000& 0.000& 0.000& 39.11 $ 205.4 $1500 # 818.5 # 766.1 # 140.8 $ 21.40 $ 0.401& 16
17 0.000& 0.000& 0.000& 0.000& 36.38 $ 170.7 $1234 # 664.1 # 509.3 # 140.2 $ 19.26 $ 0.267& 17
18 0.000& 0.000& 0.000& 0.000& 34.88 $ 194.0 $1044 # 569.1 # 472.5 # 199.6 $ 17.80 " 0.151& 18
19 0.002& 0.000& 0.000& 2.869& 31.81 $ 299.6 #1318 # 521.2 # 402.6 # 206.9 $ 16.38 " 0.098& 19
20 0.019& 0.000& 0.000& 9.742" 29.40 $ 254.0 #1126 # 479.6 # 360.9 # 165.6 $ 14.37 " 0.041& 20
21 0.024& 0.000& 0.000& 7.477& 27.14 $ 198.2 $ 876.2 # 436.2 # 361.0 # 133.9 $ 13.44 " 0.011& 21
22 0.008& 0.000& 0.000& 7.097& 25.84 $ 224.3 $ 768.8 # 400.3 # 338.2 # 108.5 $ 13.43 " 0.002& 22
23 0.001& 0.000& 0.000& 6.560& 24.98 $ 239.2 # 756.9 # 368.3 # 325.7 # 92.14 $ 12.64 " 0.000& 23
24 0.000& 0.000& 0.000& 5.720& 25.71 $ 220.6 # 843.0 # 346.1 # 307.2 # 84.24 $ 11.35 " 0.000& 24
25 0.000& 0.000& 0.000& 5.523& 25.77 $ 223.4 #1011 # 345.1 # 286.7 # 75.90 $ 10.19 " 0.000& 25
26 0.000& 0.000& 0.000& 5.456& 25.27 $ 229.6 #1139 # 360.0 # 260.3 # 69.29 $ 9.456" 0.000& 26
27 0.000& 0.000& 0.000& 4.877& 24.25 $ 216.3 #1184 # 447.8 # 236.5 # 64.77 $ 8.644" 0.000& 27
28 0.000& 0.000& 0.000& 4.618& 23.03 $ 208.7 $1012 # 444.6 # 218.0 $ 65.31 $ 7.809& 0.000& 28
29 0.000& 0.000& 4.429& 22.30 $ 319.4 # 871.8 # 383.4 # 200.3 $ 67.11 $ 6.955& 0.000& 29
30 0.000& 0.000& 4.599& 21.67 $ 346.4 # 871.0 # 477.8 # 183.4 $ 67.41 $ 6.830& 0.000& 30
31 0.000& 0.000& 21.35 $ 826.0 # 537.8 # 63.13 $ 0.000& 31
Mean 0.084& 0.000& 0.000& 2.299& 28.56 & 187.7 $ 932.0 $ 698.4 # 603.6 $ 150.7 $ 34.56 & 1.245&
Median 0.002& 0.000& 0.000& 0.000& 25.71 & 198.0 $ 871.8 $ 593.5 # 442.3 $ 141.9 $ 22.77 & 0.401&
Maximum 0.707& 0.000& 0.000& 9.742& 60.95 & 346.4 $2006 $1555 #1723 $ 397.1 $ 107.4 & 5.814&
Minimum 0.000& 0.000& 0.000& 0.000& 5.165& 20.57 $ 340.0 $ 345.1 # 183.4 $ 63.13 $ 6.830& 0.000&
Total 2.61& 0.00& 0.00& 68.97& 885.4 & 5630 $28893 $21649 #18107 $ 4670 $ 1037 & 38.60&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 221.9 & " ... Relative Uncertainty +/-10%
Ann. Median 25.27 & # ... Relative Uncertainty +/-15%
Annual Total 80982 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2006 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& 0.000& 46.02 $ 58.80 $ 17.47 $ 147.8 $4698 $1111 #1892 $1661 $ 114.3 $ 32.71 $ 1
2 0.000& 0.000& 35.70 $ 47.26 $ 15.50 # 182.9 $3901 $1084 #1726 #1345 # 102.5 $ 27.96 $ 2
3 0.000& 0.000& 27.03 $ 24.21 $ 14.20 # 305.6 #3474 $2335 $1569 #1061 # 91.99 $ 23.95 $ 3
4 0.000& 0.000& 18.70 $ 12.23 # 12.87 # 263.7 #3371 $3107 $1470 # 882.2 # 83.01 $ 20.27 $ 4
5 0.000& 0.000& 12.85 " 33.73 & 11.61 # 226.5 #3725 $3395 $1275 # 749.8 # 74.91 $ 17.81 $ 5
6 0.000& 0.000& 8.197& 69.97 $ 10.45 # 209.1 $4159 $3497 $1091 # 641.2 # 69.87 $ 16.09 " 6
7 0.000& 0.000& 5.007& 40.97 $ 9.715# 194.1 $3818 $2965 $ 988.1 # 560.4 # 65.96 $ 14.54 " 7
8 0.000& 0.000& 3.686& 25.94 $ 8.883# 173.1 $3334 $2188 $ 983.0 # 500.6 # 60.67 $ 12.95 " 8
9 0.000& 0.000& 2.946& 17.97 $ 7.917& 155.2 $3199 $1819 $1201 # 433.3 # 51.05 $ 11.39 " 9
10 0.000& 0.000& 2.108& 20.11 $ 7.680& 143.0 $3916 $1713 $1237 # 385.8 # 44.77 $ 52.54 $ 10
11 0.000& 0.000& 1.384& 179.6 $ 40.66 $ 135.3 $5015 $3096 $1489 # 347.3 # 39.82 $ 55.40 $ 11
12 0.000& 0.000& 0.911& 943.9 $ 96.49 $ 128.2 $4206 $3609 $1459 # 321.9 # 36.04 $ 40.74 $ 12
13 0.000& 0.000& 0.427&2094 $ 135.2 $ 120.5 $3896 $3566 $1422 # 333.0 # 33.21 $ 32.48 $ 13
14 0.000& 0.000& 0.133&1128 # 104.3 $ 112.7 $4607 $3855 $1313 # 350.3 # 30.49 $ 26.90 $ 14
15 0.000& 0.000& 0.020& 669.8 # 126.9 $ 106.9 $4088 $3238 $1255 # 324.3 # 27.58 $ 22.07 $ 15
16 0.000& 0.000& 0.002& 480.8 # 254.5 $ 102.2 $3294 $2841 $1099 # 285.3 # 26.16 $ 18.16 $ 16
17 0.000& 0.000& 0.000& 345.1 # 591.1 # 97.91 $2920 $2532 $ 938.5 # 260.0 # 27.87 $ 15.57 " 17
18 0.000& 0.000& 0.000& 241.4 # 535.6 # 94.57 $2644 $2286 $ 810.4 # 242.3 # 36.50 $ 15.07 " 18
19 0.000& 0.000& 0.000& 189.8 $ 522.0 # 90.35 $2283 $2204 $ 715.6 # 228.6 # 68.55 $ 14.35 " 19
20 0.000& 0.000& 0.000& 154.2 $ 394.4 # 86.86 $2054 $2196 $ 692.4 # 214.0 $ 87.34 $ 12.92 " 20
21 0.000& 0.000& 0.000& 123.7 $ 372.7 # 84.57 $1882 $2352 $ 778.9 # 200.4 $ 78.68 $ 14.25 " 21
22 0.000& 189.8 & 0.000& 96.68 $ 328.4 # 92.17 $1858 "5120 $1222 # 188.7 $ 72.19 $ 12.48 " 22
23 0.000& 311.2 $ 0.000& 73.66 $ 279.1 # 134.4 $1606 #6658 "1580 # 177.1 $ 74.68 $ 10.62 " 23
24 0.000& 186.9 $ 0.000& 58.93 $ 264.8 # 181.5 $1437 #6088 $1611 # 165.6 $ 75.11 $ 9.049" 24
25 0.000& 120.4 $ 0.000& 47.60 $ 232.7 # 199.1 $1300 #5366 $1649 # 152.9 $ 64.91 $ 7.478& 25
26 0.000& 85.49 $ 0.000& 40.03 $ 201.9 $ 300.3 #1187 #4449 $1490 # 142.7 $ 59.55 $ 5.823& 26
27 0.000& 67.59 $ 0.000& 34.08 $ 178.8 $ 752.5 #1142 #3776 $1361 # 160.1 $ 54.87 $ 4.658& 27
28 0.000& 55.91 $ 0.000& 28.21 $ 156.1 $1680 $1051 #3154 $1146 # 140.7 $ 50.26 $ 3.825& 28
29 0.000& 0.000& 23.77 $ 135.9 $3785 $ 931.3 #2768 $1257 $ 146.7 $ 44.69 $ 3.152& 29
30 0.000& 0.000& 20.23 $ 128.7 $4646 $ 977.1 #2400 $2365 $ 122.0 $ 38.61 $ 2.604& 30
31 0.000& 13.56 & 137.3 $ 1175 #2099 $ 113.5 $ 2.121& 31
Mean 0.000& 36.33 & 5.764& 244.2 & 172.1 & 497.7 $2811 $3125 $1303 $ 414.1 $ 59.54 $ 18.06 &
Median 0.000& 0.000& 0.020& 58.86 & 135.2 & 151.5 $3199 $2965 $1266 $ 285.3 $ 60.11 $ 14.54 &
Maximum 0.000& 311.2 & 46.02 &2094 & 591.1 &4646 $5015 $6658 $2365 $1661 $ 114.3 $ 55.40 &
Minimum 0.000& 0.000& 0.000& 12.23 & 7.680& 84.57 $ 931.3 $1084 $ 692.4 $ 113.5 $ 26.16 $ 2.121&
Total 0.00& 1017 & 178.7 & 7325 & 5334 &14932 $87152 $96866 $39085 $12838 $ 1786 $ 559.9 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 731.7 & " ... Relative Uncertainty +/-10%
Ann. Median 102.2 & # ... Relative Uncertainty +/-15%
Annual Total 267075 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 6658 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 1.908& 0.000& 0.000& 0.000& 0.000& 42.47 $ 337.7 # 561.4 #1784 $ 204.1 $ 101.0 $ 30.74 $ 1
2 2.027& 0.000& 0.000& 0.000& 0.000& 60.64 $ 378.1 # 753.4 #1423 # 197.2 $ 91.78 $ 37.13 $ 2
3 2.163& 0.000& 0.000& 0.000& 0.000& 78.66 $ 589.0 # 621.2 #1155 # 185.2 $ 84.32 $ 41.73 $ 3
4 2.000& 0.000& 0.000& 0.000& 0.055& 100.0 $ 560.3 # 621.6 # 971.3 # 173.3 $ 78.08 $ 28.04 $ 4
5 2.088& 0.000& 0.000& 0.000& 0.535& 109.5 $ 551.8 # 680.0 # 936.9 # 166.2 $ 71.36 $ 21.65 $ 5
6 2.135& 0.000& 0.000& 0.000& 1.417& 165.2 $ 495.5 # 944.9 #1920 $ 193.7 $ 64.21 $ 18.51 $ 6
7 1.805& 0.000& 0.000& 0.000& 3.086& 476.6 $ 855.5 # 857.7 #2144 $ 213.4 $ 52.79 $ 16.74 " 7
8 1.350& 0.000& 0.000& 0.000& 5.988& 557.4 #2387 $ 716.6 #1788 # 199.5 $ 46.63 $ 14.73 " 8
9 1.056& 0.000& 0.000& 0.000& 6.697& 570.8 #2374 $ 666.7 #1533 # 170.6 $ 43.05 $ 12.89 " 9
10 0.886& 0.000& 0.000& 0.000& 11.56 $ 593.3 #2148 $ 572.9 #1305 # 154.4 $ 47.09 $ 11.28 " 10
11 0.901& 0.000& 0.000& 0.000& 14.03 $ 909.0 #1812 $ 566.5 #1061 # 160.3 $ 58.34 $ 9.691" 11
12 1.016& 0.000& 0.000& 0.000& 9.624&1112 #1571 #1528 # 901.7 # 254.6 $ 66.66 $ 8.479& 12
13 1.058& 0.000& 0.000& 0.000& 7.333&1612 #1289 #1578 # 755.8 # 286.4 # 67.90 $ 7.252& 13
14 0.917& 0.000& 0.000& 0.000& 5.966&1274 #1055 #1414 # 648.2 # 222.4 $ 59.69 $ 6.308& 14
15 0.770& 0.000& 0.000& 0.000& 5.298& 900.3 # 891.0 #1346 # 570.6 # 178.1 $ 51.20 $ 5.727& 15
16 0.545& 0.000& 0.000& 0.000& 8.707& 737.1 # 752.8 #1326 # 523.6 # 158.4 $ 43.73 $ 5.083& 16
17 0.290& 0.000& 0.000& 0.000& 10.86 " 665.0 # 635.9 #1198 # 481.5 # 150.5 $ 39.10 $ 4.306& 17
18 0.126& 0.000& 0.000& 0.000& 17.27 $ 580.7 # 544.2 #1009 # 448.4 # 136.8 $ 35.48 $ 3.891& 18
19 0.027& 0.000& 0.000& 0.000& 25.16 $ 477.6 # 481.1 # 853.6 # 431.9 # 124.9 $ 33.72 $ 3.479& 19
20 0.001& 0.000& 0.000& 0.000& 20.12 $ 400.1 # 440.1 # 753.8 # 396.8 # 108.0 $ 31.90 $ 3.230& 20
21 0.000& 0.000& 0.000& 0.000& 17.98 $ 350.7 # 466.8 # 850.2 # 360.6 # 185.7 $ 29.35 $ 3.036& 21
22 0.000& 0.000& 0.000& 0.000& 21.48 $ 343.2 # 541.8 # 783.1 # 336.5 # 566.6 # 27.20 $ 2.737& 22
23 0.000& 0.000& 0.000& 0.000& 31.66 $ 375.2 # 546.7 # 810.9 # 313.3 # 252.2 $ 25.55 $ 2.327& 23
24 0.000& 0.000& 0.000& 0.000& 35.75 $ 328.6 # 544.7 #1386 # 293.5 # 285.7 $ 24.26 $ 1.870& 24
25 0.000& 0.000& 0.000& 0.000& 26.82 $ 289.7 # 484.6 #1912 $ 277.6 # 275.2 # 24.53 $ 1.517& 25
26 0.000& 0.000& 0.000& 0.000& 21.10 $ 279.1 # 436.3 #2128 $ 262.0 # 219.5 $ 28.25 $ 1.370& 26
27 0.000& 0.000& 0.000& 0.000& 18.01 $ 273.8 # 416.6 #2549 $ 248.9 # 203.1 $ 33.60 $ 1.295& 27
28 0.000& 0.000& 0.000& 0.000& 16.10 " 335.6 # 395.7 #2811 $ 234.5 # 172.1 $ 39.96 $ 1.299& 28
29 0.000& 0.000& 0.000& 0.000& 17.53 $ 360.3 # 361.7 #2639 $ 221.0 # 146.1 $ 37.97 $ 1.265& 29
30 0.000& 0.000& 0.000& 35.93 $ 330.5 # 365.2 #2333 $ 207.9 $ 125.1 $ 35.17 $ 1.409& 30
31 0.000& 0.000& 36.82 $ 431.7 #2094 $ 110.8 $ 1.337& 31
Mean 0.744& 0.000& 0.000& 0.000& 13.96 & 489.6 $ 811.0 $1254 $ 797.9 $ 199.4 $ 49.13 $ 10.01 &
Median 0.545& 0.000& 0.000& 0.000& 11.56 & 367.8 $ 544.7 $ 944.9 $ 547.1 $ 185.2 $ 43.39 $ 5.083&
Maximum 2.163& 0.000& 0.000& 0.000& 36.82 &1612 $2387 $2811 $2144 $ 566.6 $ 101.0 $ 41.73 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 42.47 $ 337.7 $ 561.4 $ 207.9 $ 108.0 $ 24.26 $ 1.265&
Total 23.07& 0.00& 0.00& 0.00& 432.9 &14689 $25140 $38863 $23937 $ 6180 $ 1474 $ 310.3 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 303.4 & " ... Relative Uncertainty +/-10%
Ann. Median 31.20 & # ... Relative Uncertainty +/-15%
Annual Total 111049 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2811 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 1.195& 0.000& 0.000& 0.000& 11.37 " 427.0 #2708 $ 789.7 #1298 # 777.6 # 158.6 $ 16.93 " 1
2 0.993& 0.000& 0.000& 0.000& 18.81 $ 353.1 #2413 $ 913.5 #1211 # 855.6 # 145.8 $ 16.99 " 2
3 0.669& 0.000& 0.000& 0.000& 28.70 $ 309.0 #2167 $1263 #1111 # 774.2 # 135.0 $ 15.89 " 3
4 0.428& 0.000& 0.000& 0.000& 28.48 $ 319.1 #2337 $1186 # 998.8 # 878.3 # 110.6 $ 14.98 " 4
5 0.231& 0.000& 0.000& 0.000& 51.19 $ 644.4 #2393 $1083 # 921.9 # 917.3 # 117.3 $ 15.18 " 5
6 0.086& 0.000& 0.000& 0.000& 225.1 $ 976.7 #2495 $ 995.0 #1606 # 920.2 # 130.4 $ 14.93 " 6
7 0.023& 0.000& 0.000& 210.1 & 364.2 #1411 #2797 $ 962.8 #1855 $ 827.7 # 120.3 $ 15.26 " 7
8 0.001& 0.000& 0.000& 179.1 $ 268.2 #1670 #2396 $ 864.6 #2330 $ 673.1 # 108.0 $ 15.97 " 8
9 0.000& 0.000& 0.000& 125.3 $ 195.2 $2127 $1985 $ 755.0 #2570 $ 608.4 # 99.15 $ 16.40 " 9
10 0.000& 0.000& 0.000& 92.07 $ 146.1 $4255 $1759 # 671.2 #2452 $ 649.6 # 89.31 $ 16.02 " 10
11 0.000& 0.000& 0.000& 72.28 $ 115.2 $6093 $1553 # 610.9 #1999 $ 684.0 # 80.29 $ 17.92 $ 11
12 0.000& 0.000& 0.000& 60.71 $ 104.8 $6497 "1382 # 603.0 #1808 " 570.5 # 74.01 $ 18.97 $ 12
13 0.000& 0.000& 0.000& 52.02 $ 89.39 $6175 $1377 # 986.2 #1615 # 475.0 # 69.51 $ 19.35 $ 13
14 0.000& 0.000& 0.000& 44.41 $ 92.15 $4812 $1369 #1353 #1523 # 410.5 # 65.18 $ 19.60 $ 14
15 0.000& 0.000& 0.000& 38.39 $ 99.25 $4020 $1313 #1332 #1293 # 358.6 # 60.06 $ 20.08 $ 15
16 0.000& 0.000& 0.000& 33.64 $ 163.6 $3526 $1249 #1492 $1088 # 321.6 # 55.71 $ 19.30 $ 16
17 0.000& 0.000& 0.000& 29.48 $ 191.0 $3585 $1192 #2708 $1367 # 295.2 # 52.29 $ 18.25 $ 17
18 0.000& 0.000& 0.000& 25.61 $ 223.3 $4051 $1154 #5231 $1770 # 278.4 # 48.22 $ 16.82 " 18
19 0.000& 0.000& 0.000& 23.07 $ 762.3 #4074 $1089 #4791 $1455 # 270.7 # 44.06 $ 14.53 " 19
20 0.000& 0.000& 0.000& 20.00 $ 814.8 #4027 $1020 #4564 $1506 # 250.6 # 40.64 $ 12.63 " 20
21 0.000& 0.000& 0.000& 18.70 $1034 #3621 $1535 #4231 $1758 # 237.1 # 37.17 $ 11.17 " 21
22 0.000& 0.000& 0.000& 17.64 "2099 $3131 $1904 $3184 $1535 # 255.2 # 33.81 $ 9.877" 22
23 0.000& 0.000& 0.000& 16.04 "2300 $3196 $1759 "2582 $1232 # 248.6 # 31.68 $ 8.827" 23
24 0.000& 0.000& 0.000& 14.32 "2357 $4491 $1677 #2283 $1033 # 228.6 # 28.39 $ 8.004& 24
25 0.000& 0.000& 0.000& 12.77 "2417 $5541 $1629 #2117 $ 907.0 # 231.2 # 25.16 $ 7.255& 25
26 0.000& 0.000& 0.000& 11.55 "2038 $5967 $1416 #1976 $ 797.8 # 231.5 # 20.54 $ 6.634& 26
27 0.000& 0.000& 0.000& 10.82 "2028 $5356 $1243 #1800 " 700.6 # 218.4 # 17.67 $ 5.902& 27
28 0.000& 0.000& 0.000& 10.19 "1479 #4233 $1122 #1665 # 630.0 # 204.5 $ 16.30 " 5.091& 28
29 0.000& 0.000& 10.19 " 993.7 #3556 $1045 #1672 # 618.4 # 186.5 $ 16.27 " 4.610& 29
30 0.000& 0.000& 9.848" 705.1 #3078 $ 955.9 #1603 # 673.7 # 175.1 $ 16.51 " 4.305& 30
31 0.000& 0.000& 534.4 # 867.9 #1444 # 171.3 $ 3.737& 31
Mean 0.117& 0.000& 0.000& 37.94 & 709.0 $3384 $1655 $1862 $1389 $ 457.6 $ 68.26 $ 13.27 &
Median 0.000& 0.000& 0.000& 18.17 & 225.1 $3603 $1535 $1444 $1332 $ 321.6 $ 57.89 $ 15.18 &
Maximum 1.195& 0.000& 0.000& 210.1 &2417 $6497 $2797 $5231 $2570 $ 920.2 $ 158.6 $ 20.08 &
Minimum 0.000& 0.000& 0.000& 0.000& 11.37 $ 309.0 $ 867.9 $ 603.0 $ 618.4 $ 171.3 $ 16.27 $ 3.737&
Total 3.6& 0.0& 0.0& 1138 & 21978 $101521 $ 51304 $ 57711 $ 41661 $ 14185 $ 2048 $ 411.4&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 799.9 & " ... Relative Uncertainty +/-10%
Ann. Median 117.3 & # ... Relative Uncertainty +/-15%
Annual Total 291962 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 6497 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 3.243& 410.0 # 56.23 $ 5.634& 22.67 $ 52.25 $ 105.6 $ 333.0 #1546 # 221.6 # 47.88 $ 5.658& 1
2 2.760& 425.0 # 53.44 $ 5.324& 22.81 $ 47.38 $ 115.6 $ 324.5 #1311 # 210.1 $ 40.80 $ 5.099& 2
3 2.814& 399.4 # 51.37 $ 4.678& 21.56 $ 44.44 $ 117.6 $ 278.5 #1100 # 203.9 $ 36.22 $ 4.613& 3
4 2.738& 355.7 # 48.82 $ 4.350& 20.16 $ 42.87 $ 121.6 $ 248.5 #1020 # 233.0 # 33.42 $ 3.878& 4
5 2.486& 308.5 # 46.37 $ 4.528& 20.23 $ 42.51 $ 126.3 $ 228.3 # 952.6 # 234.6 # 32.15 $ 3.253& 5
6 2.423& 243.4 # 42.94 $ 5.580& 20.41 $ 40.90 $ 112.5 $ 213.6 # 769.5 # 204.1 $ 30.25 $ 2.663& 6
7 2.615& 204.1 $ 41.57 $ 5.704& 20.35 $ 40.26 $ 98.75 $ 256.4 $ 619.4 # 181.7 $ 29.92 $ 2.240& 7
8 2.686& 220.5 $ 39.56 $ 5.424& 19.89 $ 40.18 $ 89.32 $ 437.7 # 608.6 # 160.4 $ 27.98 $ 1.962& 8
9 37.55 & 316.1 # 37.02 $ 5.228& 19.64 $ 39.39 $ 91.30 $ 381.8 # 852.5 # 150.2 $ 26.88 $ 1.643& 9
10 27.50 $ 578.3 # 32.93 $ 4.866& 18.87 $ 38.73 $ 106.5 $ 302.7 #1331 # 140.3 $ 28.47 $ 1.263& 10
11 80.24 $ 431.4 # 29.11 $ 4.814& 18.91 $ 38.43 $ 108.3 $ 305.3 #1551 # 141.4 $ 29.64 $ 0.993& 11
12 300.7 # 252.1 $ 24.89 $ 12.41 & 19.54 $ 37.69 $ 104.0 $ 279.1 #1782 # 161.2 $ 30.34 $ 0.949& 12
13 632.1 $ 201.3 $ 21.77 $ 15.57 " 20.81 $ 36.37 $ 216.8 $ 308.8 #1483 # 159.7 $ 29.96 $ 0.841& 13
14 6968 $ 216.6 $ 18.80 $ 13.97 " 22.55 $ 35.13 $ 182.0 $ 278.1 #1264 # 147.5 $ 27.49 $ 0.781& 14
15 5855 $ 358.6 # 16.61 " 12.41 " 28.14 $ 34.38 $ 154.5 $ 435.8 #1095 # 133.0 $ 24.67 $ 0.773& 15
16 4429 $ 231.1 $ 15.72 " 11.30 " 41.36 $ 33.85 $ 131.2 $ 742.2 # 922.9 # 122.1 $ 22.28 $ 0.661& 16
17 2595 $ 167.1 $ 14.57 " 10.29 " 44.56 $ 33.58 $ 115.8 $ 564.6 # 833.8 # 113.0 $ 20.12 $ 0.465& 17
18 2631 $ 129.6 $ 12.74 " 9.965" 34.64 $ 33.16 $ 104.3 $ 418.8 # 829.3 # 105.8 $ 18.20 $ 0.297& 18
19 2324 $ 103.3 $ 11.15 " 9.377" 30.67 $ 34.77 $ 94.81 $1133 $ 770.9 # 99.32 $ 16.80 " 0.219& 19
20 1605 $ 85.08 $ 10.07 " 8.947" 31.03 $ 49.09 $ 94.00 $1839 $ 644.6 # 92.13 $ 15.19 " 0.166& 20
21 1110 # 79.86 $ 9.309" 8.646" 28.73 $ 61.21 $ 183.8 $1176 # 605.8 # 85.20 $ 14.32 " 0.099& 21
22 766.8 # 74.46 $ 8.474& 8.924" 27.87 $ 63.60 $ 193.2 $2536 $ 603.8 # 78.25 $ 12.77 " 0.063& 22
23 556.5 # 69.29 $ 7.764& 9.233" 31.02 $ 58.01 $ 149.2 $3112 $ 512.2 # 75.04 $ 11.30 " 0.034& 23
24 546.4 # 67.04 $ 7.553& 10.31 " 35.85 $ 54.23 $ 156.8 $2095 $ 436.2 # 69.79 $ 9.881" 0.015& 24
25 644.6 # 68.21 $ 7.548& 13.15 " 42.42 $ 50.29 $ 351.8 #1981 $ 382.8 # 65.08 $ 8.579& 0.004& 25
26 864.2 # 85.95 $ 7.473& 15.86 " 49.82 $ 47.52 $ 338.7 #1844 $ 342.3 # 61.32 $ 7.216& 0.000& 26
27 811.5 # 69.80 $ 7.646& 16.38 " 45.65 $ 50.79 $ 322.1 #1485 # 310.4 # 52.38 $ 6.098& 0.000& 27
28 674.2 # 61.01 $ 7.380& 18.76 $ 42.73 $ 93.74 $ 485.4 #1137 # 280.9 # 47.55 $ 5.566& 0.000& 28
29 583.1 # 6.620& 21.11 $ 45.81 $ 122.4 $ 443.8 # 901.0 # 256.6 # 45.00 $ 5.913& 0.000& 29
30 469.1 # 5.694& 20.73 $ 48.37 $ 107.2 $ 394.8 # 722.3 # 237.7 # 47.16 $ 5.785& 0.000& 30
31 411.1 # 5.049& 54.89 $ 367.8 # 883.4 # 51.70 $ 0.000& 31
Mean 1127 & 221.9 $ 22.78 & 10.12 & 30.71 $ 50.15 $ 186.4 $ 876.8 $ 841.8 # 125.6 $ 21.87 & 1.246&
Median 556.5 & 210.3 $ 15.72 & 9.305& 28.14 $ 42.69 $ 126.3 $ 437.7 $ 800.1 # 122.1 $ 23.47 & 0.661&
Maximum 6968 & 578.3 $ 56.23 & 21.11 & 54.89 $ 122.4 $ 485.4 $3112 $1782 # 234.6 $ 47.88 & 5.658&
Minimum 2.423& 61.01 $ 5.049& 4.350& 18.87 $ 33.16 $ 89.32 $ 213.6 $ 237.7 # 45.00 $ 5.566& 0.000&
Total 34945 & 6213 $ 706.2 & 303.5 & 951.9 $ 1504 $ 5778 $27182 $25254 # 3894 $ 656.1 & 38.63&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 294.3 & " ... Relative Uncertainty +/-10%
Ann. Median 50.29 & # ... Relative Uncertainty +/-15%
Annual Total 107426 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 6968 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& 0.000& 0.000& 0.000& 0.000& 53.46 $ 189.6 $4228 $1430 # 472.9 # 83.89 $ 4.338& 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 66.64 $ 320.7 #4071 $1269 # 415.5 # 74.22 $ 4.511& 2
3 0.000& 0.000& 0.000& 0.000& 8.128& 64.45 $ 650.7 #4052 $1265 # 359.8 # 67.24 $ 4.478& 3
4 0.000& 0.000& 0.000& 0.000& 36.70 $ 68.62 $ 740.8 #3119 $1059 # 318.5 # 60.39 $ 4.487& 4
5 0.000& 0.000& 0.000& 0.000& 40.47 $ 90.51 $ 665.2 #2455 $ 896.3 # 263.3 # 54.16 $ 4.478& 5
6 0.000& 0.000& 0.000& 0.000& 33.88 $ 73.90 $ 855.1 #2252 $ 766.1 # 239.0 # 49.97 $ 4.566& 6
7 0.000& 0.000& 0.000& 0.000& 29.02 $ 65.07 $ 841.6 #2446 $ 690.8 # 222.9 # 46.69 $ 4.880& 7
8 0.000& 0.000& 0.000& 0.000& 25.18 $ 58.62 $ 596.6 #2012 $1134 # 238.4 # 44.02 $ 4.633& 8
9 0.000& 0.000& 0.000& 0.000& 22.33 $ 53.32 $ 464.6 #1734 "1028 # 363.9 # 41.44 $ 4.010& 9
10 0.000& 0.000& 0.000& 0.000& 20.52 $ 49.07 $ 374.5 #2246 $ 808.8 # 410.4 # 39.41 $ 3.461& 10
11 0.000& 0.000& 0.000& 0.000& 19.81 $ 47.23 $ 300.4 #2869 $ 717.3 # 368.7 # 36.06 $ 3.182& 11
12 0.000& 0.000& 0.000& 0.000& 19.08 $ 44.46 $ 253.8 #2175 $1743 $ 369.2 # 31.96 $ 3.189& 12
13 0.000& 0.000& 0.000& 0.000& 18.63 " 41.68 $ 223.4 #1945 $2592 $ 370.8 # 30.24 $ 2.740& 13
14 0.000& 0.000& 0.000& 0.000& 18.42 $ 39.90 $ 201.2 $2028 $2058 $ 356.9 # 27.88 $ 2.152& 14
15 0.000& 0.000& 0.000& 0.000& 17.66 " 38.66 $ 183.8 $1697 $2103 $ 294.2 # 25.79 $ 1.535& 15
16 0.000& 0.000& 0.000& 0.000& 17.38 " 45.49 $ 167.3 $1321 #2075 $ 244.1 # 23.65 $ 1.657& 16
17 0.000& 0.000& 0.000& 0.000& 17.95 " 41.62 $ 148.7 $1096 #1854 $ 214.4 $ 21.54 $ 3.404& 17
18 0.000& 0.000& 0.000& 0.000& 17.84 " 38.05 $ 134.9 $ 933.4 #1502 # 197.3 $ 22.58 $ 9.759& 18
19 0.000& 0.000& 0.000& 0.000& 16.98 " 36.00 $ 137.0 $ 826.6 #1256 # 174.5 $ 19.43 $ 46.57 $ 19
20 0.000& 0.000& 0.000& 0.000& 17.71 " 34.37 $ 207.6 $1235 #1046 # 152.6 $ 16.70 " 94.16 $ 20
21 0.000& 0.000& 0.000& 0.000& 16.82 " 72.74 $ 286.6 $1686 $ 869.7 # 138.3 $ 15.03 " 65.61 $ 21
22 0.000& 0.000& 0.000& 0.000& 15.86 " 88.66 $ 441.6 #1836 $ 769.5 # 124.9 $ 13.68 " 48.07 $ 22
23 0.000& 0.000& 0.000& 0.000& 15.62 " 102.6 $ 532.4 #2651 $ 697.2 # 111.5 $ 11.91 " 37.02 $ 23
24 0.000& 0.000& 0.000& 0.000& 16.06 " 155.5 $1053 #2335 $ 685.8 # 97.81 $ 10.50 " 29.01 $ 24
25 0.000& 0.000& 0.000& 0.000& 16.03 " 181.1 $1467 #1921 $ 779.0 # 88.32 $ 9.472" 22.96 $ 25
26 0.000& 0.000& 0.000& 0.000& 16.84 " 136.0 $1728 #1943 $ 737.9 # 84.48 $ 8.683" 19.09 $ 26
27 0.000& 0.000& 0.000& 0.000& 19.18 $ 117.8 $1669 $2060 $ 774.6 # 114.5 $ 7.737& 16.31 " 27
28 0.000& 0.000& 0.000& 0.000& 61.25 $ 137.1 $2825 $1587 # 668.7 # 145.8 $ 6.602& 13.80 " 28
29 0.000& 0.000& 0.000& 118.1 $ 182.1 $2593 $1421 # 567.1 # 139.7 $ 5.729& 11.56 " 29
30 0.000& 0.000& 0.000& 98.20 $ 202.6 $3133 $2046 $ 531.5 # 113.2 $ 4.978& 9.976" 30
31 0.000& 0.000& 61.93 $ 4424 $1735 $ 95.06 $ 8.295& 31
Mean 0.000& 0.000& 0.000& 0.000& 27.53 & 80.91 $ 897.1 $2128 $1146 $ 235.5 $ 30.39 & 15.93 &
Median 0.000& 0.000& 0.000& 0.000& 18.42 & 64.76 $ 464.6 $2012 $ 962.1 $ 222.9 $ 24.72 & 4.633&
Maximum 0.000& 0.000& 0.000& 0.000& 118.1 & 202.6 $4424 $4228 $2592 $ 472.9 $ 83.89 & 94.16 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 34.37 $ 134.9 $ 826.6 $ 531.5 $ 84.48 $ 4.978& 1.535&
Total 0.00& 0.00& 0.00& 0.00& 853.5 & 2427 $27811 $65963 $34373 $ 7301 $ 911.6 & 493.9 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 383.9 & " ... Relative Uncertainty +/-10%
Ann. Median 25.18 & # ... Relative Uncertainty +/-15%
Annual Total 140134 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4424 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 6.86& 0.00& 0.00& 154.3 & 71.01$ 277.5 $ 466.8 # 9806 $ 475.2 # 794.5 # 380.3 # 34.95$ 1
2 6.44& 0.00& 0.00& 1222 $ 69.11$ 170.4 $ 624.8 #13682 $ 460.4 # 663.9 # 242.7 $ 30.29$ 2
3 5.62& 0.00& 0.00& 791.0 # 70.79$ 139.7 $ 633.1 # 9176 $ 412.8 # 566.0 # 189.7 $ 27.36$ 3
4 4.36& 0.00& 0.00& 756.0 # 74.11$ 135.4 $ 569.1 # 6539 $ 368.2 # 461.0 # 180.7 $ 25.52$ 4
5 3.44& 0.00& 0.00& 440.2 # 74.31$ 138.5 $ 539.7 # 5278 $ 344.8 # 388.2 # 193.7 $ 25.60$ 5
6 2.20& 0.00& 0.00& 541.4 # 70.43$ 167.2 $ 471.6 # 4131 $ 326.4 # 331.3 # 214.1 $ 26.41$ 6
7 1.29& 0.00& 0.00& 530.8 # 63.98$ 207.0 $ 373.6 # 3225 $ 298.2 # 287.6 # 187.0 $ 23.78$ 7
8 0.70& 0.00& 0.00& 331.6 # 58.62$ 166.5 $ 312.6 # 2708 $ 276.8 # 251.8 # 148.1 $ 21.60$ 8
9 0.29& 0.00& 0.00& 271.2 # 54.34$ 155.4 $ 276.7 # 2329 $ 268.5 # 226.8 # 128.4 $ 19.84$ 9
10 0.09& 0.00& 0.00& 337.2 # 51.23$ 184.0 $ 269.4 # 2039 $ 258.2 # 204.4 $ 109.8 $ 19.73$ 10
11 0.01& 0.00& 0.00& 226.2 $ 57.02$ 204.6 $ 306.1 # 1803 " 249.3 # 186.3 $ 96.09$ 18.20$ 11
12 0.00& 0.00& 0.00& 161.6 $ 47.00$ 178.5 $ 320.0 # 1593 # 254.4 # 171.6 $ 84.20$ 17.40" 12
13 0.00& 0.00& 0.00& 118.0 $ 47.17$ 148.9 $ 290.3 # 1398 # 248.8 # 157.2 $ 73.91$ 16.83" 13
14 0.00& 0.00& 0.00& 91.49$ 48.40$ 136.4 $ 261.3 # 1244 # 249.7 # 145.0 $ 66.63$ 15.35" 14
15 0.00& 0.00& 0.00& 74.47$ 47.64$ 159.4 $ 367.3 # 1112 # 239.6 # 132.5 $ 58.75$ 13.72" 15
16 0.00& 0.00& 0.00& 64.18$ 47.83$ 234.6 # 1195 # 995.0 # 226.6 # 120.9 $ 51.64$ 12.67" 16
17 0.00& 0.00& 0.00& 65.89$ 48.31$ 284.7 # 1223 # 889.1 # 236.4 # 111.2 $ 46.53$ 11.55" 17
18 0.00& 0.00& 0.00& 83.64$ 45.30$ 254.3 # 2658 $ 801.0 # 289.6 # 102.4 $ 42.50$ 10.39" 18
19 0.00& 0.00& 0.00& 139.3 $ 41.28$ 221.9 $ 4471 $ 718.3 # 331.8 # 95.97$ 39.18$ 9.76" 19
20 0.00& 0.00& 0.00& 121.3 $ 38.81$ 195.7 $ 3844 $ 651.2 # 282.7 # 88.27$ 36.75$ 9.11" 20
21 0.00& 0.00& 0.00& 155.1 $ 37.85$ 175.4 $ 3579 $ 605.4 # 275.2 # 80.62$ 34.97$ 8.28& 21
22 0.00& 0.00& 0.00& 174.5 $ 40.95$ 176.3 $ 3607 $ 549.3 # 267.7 # 74.46$ 33.09$ 7.58& 22
23 0.00& 0.00& 0.00& 167.3 $ 51.32$ 167.0 $ 3055 $ 518.3 # 252.6 # 70.05$ 35.32$ 6.61& 23
24 0.00& 0.00& 0.00& 145.7 $ 60.29$ 146.3 $ 4098 $ 495.4 # 227.7 # 73.75$ 40.99$ 5.93& 24
25 0.00& 0.00& 0.00& 122.9 $ 116.2 $ 135.0 $ 3049 $ 471.3 # 275.0 # 161.2 $ 52.21$ 5.20& 25
26 0.00& 0.00& 0.00& 105.8 $ 195.3 $ 128.4 $ 2754 $ 444.3 # 961.8 # 243.5 # 62.38$ 4.30& 26
27 0.00& 0.00& 0.00& 90.84$ 135.1 $ 143.8 $ 3285 $ 421.3 # 1070 # 180.0 $ 55.47$ 3.53& 27
28 0.00& 0.00& 0.00& 81.35$ 142.2 $ 275.0 $ 3783 $ 404.0 # 1109 # 149.3 $ 46.77$ 2.94& 28
29 0.00& 0.00& 0.00& 75.88$ 189.9 $ 442.6 # 4616 $ 396.7 # 1212 # 214.4 $ 42.85$ 2.35& 29
30 0.00& 0.00& 76.01$ 158.1 $ 412.3 # 6765 $ 411.8 # 1026 # 801.3 # 39.86$ 1.59& 30
31 0.00& 0.00& 141.8 $ 7802 $ 460.3 # 873.1 # 1.11& 31
Mean 1.010& 0.000& 0.000& 257.2 & 77.28 $ 198.8 $2125 $2429 $ 425.8 # 271.2 $ 100.5 $ 14.18 &
Median 0.000& 0.000& 0.000& 150.0 & 58.62 $ 172.9 $1195 $ 995.0 $ 279.7 # 180.0 $ 60.56 $ 12.67 &
Maximum 6.86& 0.00& 0.00& 1222 & 195.3 $ 442.6 $ 7802 $13682 $ 1212 # 873.1 $ 380.3 $ 34.95&
Minimum 0.000& 0.000& 0.000& 64.18 & 37.85 $ 128.4 $ 261.3 $ 396.7 $ 226.6 # 70.05 $ 33.09 $ 1.105&
Total 31.30& 0.00& 0.00& 7717 & 2396 $ 5963 $65867 $75298 $12775 # 8409 $ 3014 $ 439.5 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 497.0 & " ... Relative Uncertainty +/-10%
Ann. Median 107.8 & # ... Relative Uncertainty +/-15%
Annual Total 181908 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 13682 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.774& 742.3 # 0.483& 2.267& 0.859& 17.83 "1559 #1928 $1931 $ 739.9 # 124.4 $ 36.54 $ 1
2 0.495& 669.4 # 0.297& 2.070& 1.318& 18.68 $1385 #1704 #1810 " 655.7 # 101.0 $ 33.15 $ 2
3 0.238& 413.0 # 0.058& 1.911& 2.143& 17.72 $1216 #1505 #1632 # 608.2 # 90.03 $ 32.35 $ 3
4 0.074& 239.1 $ 0.007& 1.849& 2.537& 21.48 $1087 #1339 #1443 # 569.9 # 80.03 $ 28.47 $ 4
5 0.015& 139.6 $ 20.78 & 1.763& 2.553& 24.01 $ 829.7 #1206 #1471 # 536.8 # 72.96 $ 25.29 $ 5
6 0.000& 91.73 $ 261.7 $ 1.627& 2.172& 20.37 $ 639.3 #1171 #1428 # 496.7 # 69.54 $ 23.09 $ 6
7 0.000& 66.61 $ 134.9 $ 1.456& 1.568& 18.93 $ 672.3 #1178 #1279 # 450.8 # 66.62 $ 20.64 $ 7
8 0.000& 51.01 $ 80.90 $ 1.244& 1.231& 18.26 $ 618.1 #1081 #1205 # 412.8 # 63.08 $ 18.02 $ 8
9 0.000& 40.10 $ 56.73 $ 0.849& 0.920& 17.45 " 707.6 #1051 #1124 # 383.5 # 59.51 $ 15.76 " 9
10 0.000& 32.55 $ 42.73 $ 0.501& 0.715& 16.46 "1323 #1146 #1146 # 361.5 # 57.15 $ 13.73 " 10
11 0.000& 26.63 $ 37.84 $ 0.288& 0.518& 18.21 $2010 $1286 #1747 $ 349.6 # 54.43 $ 12.14 " 11
12 0.000& 21.71 $ 32.44 $ 0.131& 0.317& 19.31 $1966 $1171 #3765 $ 330.5 # 52.86 $ 10.76 " 12
13 0.000& 18.24 $ 26.92 $ 0.070& 0.295& 19.51 $1871 $1217 #2914 $ 313.0 # 53.41 $ 9.528" 13
14 0.000& 15.74 " 21.92 $ 0.093& 0.354& 23.08 $1738 #1381 #2345 $ 289.6 # 61.35 $ 8.281& 14
15 0.000& 14.29 " 18.26 $ 0.055& 0.448& 23.88 $1415 #2402 $2490 $ 268.0 # 73.18 $ 7.190& 15
16 0.000& 12.14 " 15.70 " 0.025& 0.530& 22.82 $1202 #2854 $2551 $ 245.9 # 73.11 $ 6.507& 16
17 0.000& 10.25 " 14.03 " 0.010& 0.649& 21.75 $1499 #3085 $1998 $ 223.3 # 110.6 $ 5.797& 17
18 0.000& 8.498& 12.54 " 0.003& 1.648& 20.81 $1277 #4760 $1854 " 206.6 $ 97.74 $ 4.957& 18
19 0.000& 6.944& 10.94 " 0.002& 1.975& 33.42 $2506 $5139 $1633 # 192.4 $ 176.6 $ 4.330& 19
20 0.000& 5.532& 9.285" 0.000& 1.622& 71.38 $4985 $4467 $1474 # 179.5 $ 224.5 # 3.985& 20
21 0.000& 4.431& 8.161& 1.739& 2.304& 157.6 $7342 "5670 $1854 $ 171.0 $ 234.4 $ 3.431& 21
22 0.000& 3.529& 7.001& 4.597& 4.082& 119.2 $7694 $5205 $1883 $ 144.7 $ 170.2 $ 2.690& 22
23 0.000& 2.424& 6.270& 3.446& 8.072& 91.56 $9943 $5435 $1538 # 122.2 $ 120.1 $ 2.000& 23
24 0.000& 1.774& 6.062& 2.788& 11.91 " 87.51 $9273 $4834 $1380 # 110.3 $ 98.02 $ 1.458& 24
25 0.000& 1.370& 5.661& 2.377& 10.04 " 280.1 $6566 $3985 $1288 # 105.6 $ 79.96 $ 1.150& 25
26 0.000& 1.098& 5.074& 1.987& 7.914& 435.1 #5173 $3364 $1259 # 105.7 $ 69.14 $ 0.890& 26
27 0.000& 0.783& 4.467& 1.768& 5.780& 438.8 #4310 $2941 $1068 # 126.8 $ 62.95 $ 0.706& 27
28 0.000& 0.549& 3.894& 1.570& 9.054& 662.9 #3470 $2594 $ 904.3 # 179.9 $ 57.14 $ 0.560& 28
29 0.000& 3.118& 1.031& 21.59 $ 844.5 #2944 $2410 $ 820.0 # 152.1 $ 47.04 $ 0.386& 29
30 56.99 & 2.612& 0.786& 19.89 $1633 #2513 $2246 $ 805.3 # 141.1 $ 40.93 $ 0.239& 30
31 928.9 # 2.378& 18.53 $ 2175 $2085 $ 139.7 $ 0.106& 31
Mean 31.86 & 94.34 & 27.52 & 1.277& 4.630& 173.9 $2965 $2640 $1668 $ 300.4 $ 91.40 $ 10.78 &
Median 0.000& 15.02 & 9.285& 1.350& 1.975& 22.95 $1871 $2246 $1506 $ 245.9 $ 73.04 $ 6.507&
Maximum 928.9 & 742.3 & 261.7 & 4.597& 21.59 &1633 $9943 $5670 $3765 $ 739.9 $ 234.4 $ 36.54 &
Minimum 0.000& 0.549& 0.007& 0.000& 0.295& 16.46 $ 618.1 $1051 $ 805.3 $ 105.6 $ 40.93 $ 0.106&
Total 987.5 & 2641 & 853.2 & 38.30& 143.5 & 5216 $91909 $81838 $50039 $ 9313 $ 2742 $ 334.1 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 674.1 & " ... Relative Uncertainty +/-10%
Ann. Median 33.42 & # ... Relative Uncertainty +/-15%
Annual Total 246055 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 9943 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.033& 0.000& 0.000& 163.7 $ 4.968& 76.81 $ 75.97 $ 200.5 $ 191.8 $ 37.46 $ 5.383& 0.000& 1
2 0.004& 0.000& 0.000& 119.8 $ 4.579& 71.55 $ 73.08 $ 194.8 $ 193.2 $ 36.02 $ 5.027& 0.000& 2
3 0.000& 0.000& 0.000& 88.92 $ 4.495& 65.32 $ 70.97 $ 180.3 $ 141.6 $ 33.14 $ 4.050& 0.000& 3
4 0.000& 0.000& 0.000& 69.22 $ 4.495& 60.51 $ 66.97 $ 171.8 $ 118.6 $ 30.92 $ 3.210& 0.000& 4
5 0.000& 0.000& 0.000& 58.34 $ 4.581& 56.90 $ 62.88 $ 168.8 $ 116.9 $ 29.32 $ 2.666& 0.000& 5
6 0.000& 0.000& 0.000& 49.86 $ 4.578& 54.44 $ 59.60 $ 159.9 $ 113.3 $ 27.12 $ 2.263& 0.000& 6
7 0.000& 0.000& 0.000& 44.72 $ 4.060& 52.92 $ 56.84 $ 148.5 $ 112.2 $ 25.22 $ 1.859& 0.000& 7
8 0.000& 0.000& 0.000& 38.54 $ 3.796& 50.09 $ 55.04 $ 138.2 $ 134.6 $ 24.29 $ 1.592& 0.000& 8
9 0.000& 0.000& 0.000& 32.65 $ 3.466& 47.18 $ 98.13 $ 129.7 $ 157.6 $ 22.68 $ 1.247& 0.000& 9
10 0.000& 0.000& 0.000& 28.91 $ 3.543& 44.25 $ 281.1 $ 119.3 $ 160.0 $ 23.01 $ 1.157& 0.000& 10
11 0.000& 0.000& 0.000& 25.24 $ 3.050& 42.01 $ 350.0 # 112.3 $ 143.3 $ 22.52 $ 1.771& 0.000& 11
12 0.000& 0.000& 0.000& 23.23 $ 2.858& 38.81 $ 604.9 # 153.3 $ 138.2 $ 21.48 $ 1.908& 0.000& 12
13 0.000& 0.000& 0.000& 21.58 $ 4.342& 36.90 $ 895.7 # 344.9 # 136.2 $ 20.08 $ 1.698& 0.000& 13
14 0.000& 0.000& 0.000& 20.37 $ 5.608& 37.33 $ 668.9 # 393.4 # 130.3 $ 18.62 $ 1.356& 0.000& 14
15 0.000& 0.000& 0.000& 19.20 $ 4.463& 43.87 $ 670.0 # 352.6 # 117.0 $ 17.01 " 1.015& 0.000& 15
16 0.000& 0.000& 0.000& 17.97 $ 4.812& 48.57 $ 699.8 # 387.8 # 105.0 $ 15.58 " 0.813& 0.000& 16
17 0.000& 0.000& 0.000& 16.71 " 5.463& 70.21 $ 739.1 # 332.9 # 97.78 $ 13.86 " 0.699& 0.000& 17
18 0.000& 0.000& 0.000& 15.39 " 6.685& 69.36 $ 540.1 # 343.4 # 94.81 $ 12.05 " 0.524& 0.000& 18
19 0.000& 0.000& 0.000& 13.79 " 15.32 " 69.49 $ 414.1 # 314.8 # 88.51 $ 10.89 " 0.292& 0.000& 19
20 0.000& 0.000& 0.000& 12.61 " 13.78 " 69.14 $ 343.9 # 250.6 # 80.95 $ 10.24 " 0.125& 0.000& 20
21 0.000& 0.000& 0.000& 11.59 " 12.66 " 71.34 $ 299.1 # 220.0 # 74.45 $ 10.39 " 0.085& 0.000& 21
22 0.000& 0.000& 0.000& 10.39 " 14.98 " 78.18 $ 270.9 # 218.6 # 69.67 $ 9.657" 0.056& 0.000& 22
23 0.000& 0.000& 0.000& 9.532" 15.81 " 108.0 $ 246.1 # 218.2 # 64.92 $ 8.909" 0.022& 0.000& 23
24 0.000& 0.000& 0.000& 8.793" 17.40 " 108.5 $ 226.1 # 196.1 $ 60.40 $ 8.200& 0.006& 0.000& 24
25 0.000& 0.000& 0.000& 7.771& 21.36 $ 110.8 $ 208.3 $ 175.2 $ 53.91 $ 7.860& 0.000& 0.000& 25
26 0.000& 0.000& 0.000& 7.259& 29.21 $ 100.7 $ 191.5 $ 160.3 $ 50.56 $ 7.447& 0.000& 0.000& 26
27 0.000& 0.000& 0.000& 6.659& 29.39 $ 84.45 $ 181.6 $ 149.0 $ 46.79 $ 7.002& 0.000& 0.000& 27
28 0.000& 0.000& 0.000& 6.147& 49.37 $ 82.80 $ 185.9 $ 139.6 $ 44.46 $ 7.498& 0.000& 0.000& 28
29 0.000& 198.5 & 5.627& 77.07 $ 80.52 $ 245.3 $ 130.0 $ 42.68 $ 7.536& 0.000& 0.000& 29
30 0.000& 310.2 # 5.171& 88.48 $ 79.59 $ 265.6 # 123.4 $ 39.50 $ 6.728& 0.000& 0.000& 30
31 0.000& 228.0 $ 88.94 $ 225.9 $ 127.9 $ 5.868& 0.000& 31
Mean 0.001& 0.000& 23.77 & 31.99 & 17.86 & 67.02 $ 302.4 $ 208.3 $ 104.0 $ 17.37 & 1.294& 0.000&
Median 0.000& 0.000& 0.000& 18.59 & 5.463& 69.25 $ 245.3 $ 175.2 $ 108.6 $ 15.58 & 0.914& 0.000&
Maximum 0.033& 0.000& 310.2 & 163.7 & 88.94 & 110.8 $ 895.7 $ 393.4 $ 193.2 $ 37.46 & 5.383& 0.000&
Minimum 0.000& 0.000& 0.000& 5.171& 2.858& 36.90 $ 55.04 $ 112.3 $ 39.50 $ 5.868& 0.000& 0.000&
Total 0.037& 0.000& 736.8 & 959.6 & 553.6 &2011 $9373 $6456 $3119 $ 538.6 & 38.82 & 0.000&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 65.17 & " ... Relative Uncertainty +/-10%
Ann. Median 9.532& # ... Relative Uncertainty +/-15%
Annual Total 23787 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 895.7 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& 0.000& 0.000& 0.000& 0.000& 22.70 $ 318.7 #3397 $ 695.4 # 423.5 # 361.9 # 13.79 " 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 31.93 $ 506.6 #4770 $ 841.1 # 379.9 # 309.6 # 12.37 " 2
3 0.000& 0.000& 0.000& 0.000& 0.000& 32.83 $ 473.6 #6339 $1417 # 345.9 # 273.4 # 10.83 " 3
4 0.000& 0.000& 0.000& 0.000& 0.000& 22.89 $ 502.5 #5432 $1162 # 319.4 # 255.2 # 9.652" 4
5 0.000& 0.000& 0.000& 0.000& 0.000& 35.08 $ 469.5 #4375 $1042 # 287.4 # 234.5 # 8.520& 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 29.24 $ 420.9 #3883 $ 927.0 # 423.0 # 428.7 # 11.97 & 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 32.23 $ 324.6 #3121 $ 943.7 # 528.0 # 530.6 # 25.03 $ 7
8 0.000& 0.000& 0.000& 0.000& 0.000& 31.53 $ 257.2 #2580 $ 769.7 # 462.6 # 605.8 # 117.1 $ 8
9 0.000& 0.000& 0.000& 0.000& 0.000& 29.32 $ 214.6 $2214 $ 606.8 # 344.1 # 637.7 # 85.03 $ 9
10 0.000& 0.000& 0.000& 0.000& 0.000& 30.11 $ 180.9 $1899 $ 507.9 # 276.1 # 443.6 # 54.79 $ 10
11 0.000& 0.000& 0.000& 0.000& 0.000& 27.72 $ 170.5 $1671 # 441.9 # 266.0 # 292.7 # 40.06 $ 11
12 0.000& 0.000& 0.000& 0.000& 0.000& 24.81 $ 233.4 $1439 # 391.9 # 348.6 # 229.2 $ 43.22 $ 12
13 0.000& 0.000& 0.000& 0.000& 0.000& 22.19 $ 380.6 #1261 # 349.1 # 536.2 # 184.5 $ 85.79 $ 13
14 0.000& 0.000& 0.000& 0.000& 0.000& 21.66 $ 590.3 #1281 # 325.7 # 490.4 # 151.4 $ 69.20 $ 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 21.58 $ 629.4 #1321 # 312.1 # 381.3 # 130.3 $ 69.55 $ 15
16 0.000& 0.000& 0.000& 0.000& 0.000& 23.24 $ 818.1 #2118 $ 323.9 # 292.5 # 112.2 $ 65.61 $ 16
17 0.000& 0.000& 0.000& 0.000& 0.000& 34.07 $ 894.1 #1938 $ 358.4 # 248.4 # 97.55 $ 57.80 $ 17
18 0.000& 0.000& 0.000& 0.000& 0.000& 38.68 $1039 #2004 $ 473.1 # 231.5 # 85.19 $ 58.30 $ 18
19 0.000& 0.000& 0.000& 0.000& 0.000& 39.87 $ 929.1 #1793 "1007 # 226.9 # 74.56 $ 111.1 $ 19
20 0.000& 0.000& 0.000& 0.000& 0.000& 39.55 $ 674.8 #1662 # 858.6 # 216.6 $ 66.63 $ 118.0 $ 20
21 0.000& 0.000& 0.000& 0.000& 0.000& 37.24 $ 598.9 #1400 # 946.8 # 185.3 $ 55.33 $ 103.2 $ 21
22 0.000& 0.000& 0.000& 0.000& 0.000& 34.79 $ 586.0 #2512 $ 980.3 # 150.8 $ 46.72 $ 92.43 $ 22
23 0.000& 0.000& 0.000& 0.000& 0.000& 33.77 $ 640.6 #2580 $ 861.2 # 136.3 $ 39.31 $ 84.03 $ 23
24 0.000& 0.000& 0.000& 0.000& 0.000& 33.93 $ 722.8 #1915 $ 744.4 # 132.0 $ 33.10 $ 74.22 $ 24
25 0.000& 0.000& 0.000& 0.000& 0.000& 49.07 $ 679.0 #1879 $ 618.9 # 184.7 $ 29.21 $ 67.19 $ 25
26 0.000& 0.000& 0.000& 0.000& 0.000& 70.19 $ 630.8 #2328 $ 578.8 # 300.6 # 25.55 $ 60.77 $ 26
27 0.000& 0.000& 0.000& 0.000& 0.000& 79.60 $ 638.7 #1767 $ 656.6 # 309.9 # 22.32 $ 54.45 $ 27
28 0.000& 0.000& 0.000& 0.000& 0.000& 83.82 $ 683.7 #1350 # 690.2 # 364.5 # 19.48 $ 50.15 $ 28
29 0.000& 0.000& 0.000& 0.000& 123.5 $1694 $1107 # 588.5 # 418.3 # 17.54 " 47.27 $ 29
30 0.000& 0.000& 0.000& 0.000& 202.6 $2403 $ 922.6 # 485.5 # 449.5 # 15.60 " 44.08 $ 30
31 0.000& 0.000& 3.512& 2736 $ 790.7 # 379.9 # 43.23 $ 31
Mean 0.000& 0.000& 0.000& 0.000& 0.113& 44.66 $ 711.0 $2356 $ 696.9 # 323.9 $ 193.6 $ 57.70 &
Median 0.000& 0.000& 0.000& 0.000& 0.000& 33.30 $ 598.9 $1915 $ 673.4 # 319.4 $ 121.2 $ 57.80 &
Maximum 0.000& 0.000& 0.000& 0.000& 3.512& 202.6 $2736 $6339 $1417 # 536.2 $ 637.7 $ 118.0 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 21.58 $ 170.5 $ 790.7 $ 312.1 # 132.0 $ 15.60 $ 8.520&
Total 0.00& 0.00& 0.00& 0.00& 3.51& 1340 $22042 $73051 $20906 #10040 $ 5809 $ 1789 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 369.8 & " ... Relative Uncertainty +/-10%
Ann. Median 34.07 & # ... Relative Uncertainty +/-15%
Annual Total 134980 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 6339 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 41.32 $ 4.721& 0.000& 0.000& 0.000& 2.467& 206.4 $ 95.29 $ 180.6 $ 166.1 $ 11.27 " 31.10 $ 1
2 38.49 $ 4.650& 0.000& 0.000& 0.000& 2.604& 190.5 $ 116.4 $ 172.2 $ 159.5 $ 10.77 " 28.73 $ 2
3 35.35 $ 8.512& 0.000& 0.000& 0.000& 4.949& 177.0 $ 242.0 $ 169.6 $ 137.3 $ 10.53 " 26.03 $ 3
4 32.21 $ 8.296& 0.000& 0.000& 0.000& 4.545& 164.6 $ 319.4 # 414.8 $ 115.0 $ 17.65 $ 20.85 $ 4
5 30.68 $ 5.985& 0.000& 0.000& 0.000& 3.786& 153.9 $ 297.2 # 864.3 # 107.2 $ 35.40 $ 18.34 $ 5
6 29.01 $ 4.532& 0.000& 0.000& 0.000& 3.718& 146.5 $ 276.9 # 591.8 # 107.0 $ 51.59 $ 16.32 " 6
7 27.55 $ 4.362& 0.000& 0.000& 0.000& 12.31 & 141.4 $ 319.4 # 509.1 # 96.35 $ 49.43 $ 14.70 " 7
8 66.21 $ 3.983& 0.000& 0.000& 0.000& 27.52 $ 140.1 $ 344.5 # 458.5 # 88.88 $ 46.31 $ 21.31 $ 8
9 50.85 $ 13.32 & 0.000& 0.000& 0.000& 45.16 $ 135.2 $ 303.4 # 494.0 # 77.50 $ 38.59 $ 18.45 $ 9
10 40.07 $ 16.12 " 0.000& 0.000& 0.000& 36.79 $ 134.7 $ 279.9 # 514.9 # 68.80 $ 30.35 $ 14.31 " 10
11 32.86 $ 13.48 " 0.000& 0.000& 0.000& 41.66 $ 163.1 $ 259.8 # 412.1 # 60.83 $ 24.59 $ 12.70 " 11
12 26.83 $ 11.05 " 0.000& 0.000& 0.000& 81.83 $ 184.3 $ 259.4 # 333.8 # 54.60 $ 20.26 $ 21.09 $ 12
13 22.83 $ 8.891& 0.000& 0.000& 0.000& 255.6 $ 160.0 $ 487.5 # 277.8 # 50.13 $ 17.42 $ 27.16 $ 13
14 19.69 $ 7.153& 0.000& 0.000& 0.000& 361.2 # 144.1 $ 513.5 # 235.7 # 48.01 $ 15.08 " 105.4 $ 14
15 18.42 $ 5.614& 0.000& 0.000& 0.000& 399.8 # 144.5 $ 385.9 # 207.2 $ 46.92 $ 13.11 " 262.0 $ 15
16 16.20 " 4.303& 0.000& 0.000& 0.000& 408.5 # 146.4 $ 373.9 # 182.1 $ 45.09 $ 11.22 " 542.0 # 16
17 13.60 " 3.217& 0.000& 0.000& 0.000& 337.3 # 155.3 $ 386.6 # 163.1 $ 42.82 $ 9.447" 342.3 # 17
18 11.76 " 2.330& 0.000& 0.000& 0.000& 338.7 # 155.4 $ 349.9 # 152.8 $ 39.84 $ 8.270& 167.1 $ 18
19 10.44 " 1.573& 0.000& 0.000& 0.000& 474.6 # 145.0 $ 323.7 # 146.1 $ 36.87 $ 7.114& 97.88 $ 19
20 87.40 $ 0.929& 0.000& 0.000& 0.000& 668.3 # 132.3 $ 281.8 # 140.6 $ 34.33 $ 6.313& 66.03 $ 20
21 737.3 $ 0.556& 0.000& 0.000& 0.000& 626.5 # 124.4 $ 259.7 # 135.8 $ 30.74 $ 5.236& 51.07 $ 21
22 107.2 $ 0.276& 0.000& 0.000& 0.000& 594.2 # 119.6 $ 301.0 # 148.0 $ 28.43 $ 4.590& 41.22 $ 22
23 70.42 $ 0.149& 0.000& 0.000& 0.000& 443.6 # 116.2 $ 293.4 # 158.7 $ 26.64 $ 3.928& 33.98 $ 23
24 45.94 $ 0.061& 0.000& 0.000& 0.000& 364.8 # 112.8 $ 234.1 # 146.3 $ 24.26 $ 38.61 & 27.59 $ 24
25 30.80 $ 0.013& 0.000& 0.000& 0.000& 334.7 # 108.3 $ 211.2 $ 132.7 $ 22.15 $ 59.03 $ 21.62 $ 25
26 22.53 $ 0.001& 0.000& 0.000& 0.000& 315.1 # 103.2 $ 199.6 $ 133.0 $ 19.86 $ 35.19 $ 17.17 $ 26
27 20.06 $ 0.000& 0.000& 0.000& 0.000& 284.0 # 100.1 $ 184.9 $ 214.6 $ 17.88 $ 24.46 $ 13.52 " 27
28 15.08 " 0.000& 0.000& 0.000& 0.000& 275.7 # 96.49 $ 188.9 $ 307.6 # 16.01 " 20.66 $ 11.38 " 28
29 11.96 " 0.000& 0.000& 0.000& 0.043& 252.0 # 93.17 $ 209.8 $ 259.9 # 14.49 " 19.65 $ 9.766" 29
30 8.669& 0.000& 0.000& 0.586& 227.4 # 88.74 $ 199.4 $ 187.6 $ 13.33 " 18.59 $ 8.847& 30
31 6.178& 0.000& 1.321& 80.48 $ 181.3 $ 12.02 " 6.429& 31
Mean 55.74 & 4.624& 0.000& 0.000& 0.063& 241.0 & 137.6 $ 280.0 $ 281.5 $ 58.35 $ 22.15 & 67.63 &
Median 29.01 & 4.303& 0.000& 0.000& 0.000& 265.6 & 141.4 $ 279.9 $ 197.4 $ 45.09 $ 18.12 & 21.62 &
Maximum 737.3 & 16.12 & 0.000& 0.000& 1.321& 668.3 & 206.4 $ 513.5 $ 864.3 $ 166.1 $ 59.03 & 542.0 &
Minimum 6.178& 0.000& 0.000& 0.000& 0.000& 2.467& 80.48 $ 95.29 $ 132.7 $ 12.02 $ 3.928& 6.429&
Total 1728 & 134.1 & 0.000& 0.000& 1.950&7229 &4264 $8680 $8445 $1809 $ 664.6 &2096 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 95.77 & " ... Relative Uncertainty +/-10%
Ann. Median 23.55 & # ... Relative Uncertainty +/-15%
Annual Total 35053 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 864.3 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 5.087& 6.483& 0.000& 6.685& 7.748& 75.18 $ 45.82 $1176 #1609 #1358 # 111.1 $ 11.26 " 1
2 3.789& 5.088& 0.000& 5.637& 10.64 & 78.09 $ 43.97 $ 834.6 #1455 #1115 # 100.1 $ 10.84 " 2
3 2.847& 3.866& 0.000& 4.590& 12.08 $ 88.33 $ 43.98 $ 654.6 #1400 # 953.3 # 89.37 $ 11.07 " 3
4 2.376& 2.959& 0.000& 3.936& 9.716" 94.76 $ 44.53 $ 556.8 #1746 # 815.6 # 81.95 $ 11.62 " 4
5 1.790& 2.339& 0.000& 3.266& 9.458" 85.99 $ 43.44 $ 474.2 #1448 # 747.0 # 75.99 $ 9.922" 5
6 1.441& 1.723& 0.000& 2.682& 11.63 " 73.75 $ 42.04 $ 608.3 #1150 # 721.0 # 71.31 $ 8.983" 6
7 1.633& 1.104& 0.000& 2.408& 10.89 " 68.96 $ 40.54 $ 777.4 #1217 # 629.3 # 66.79 $ 7.853& 7
8 1.735& 0.532& 0.000& 2.061& 18.74 $ 65.53 $ 39.11 $2653 $1365 # 543.0 # 62.37 $ 6.742& 8
9 14.27 & 0.181& 0.000& 1.829& 33.34 $ 61.69 $ 38.71 $2858 $1297 # 567.0 # 58.65 $ 5.792& 9
10 24.25 $ 0.062& 0.000& 7.102& 58.65 $ 58.46 $ 42.39 $2202 $1531 # 659.6 # 54.63 $ 4.647& 10
11 16.41 $ 0.024& 0.000& 25.36 $ 61.82 $ 55.78 $ 45.39 $2450 $2111 $ 577.3 # 51.19 $ 3.644& 11
12 12.06 " 0.005& 0.000& 22.54 $ 71.13 $ 55.57 $ 48.73 $2661 $3318 $ 483.4 # 47.93 $ 2.910& 12
13 9.494" 0.000& 0.000& 20.40 $ 60.28 $ 54.57 $ 57.99 $2232 $3063 $ 471.0 # 44.59 $ 2.065& 13
14 7.691& 0.000& 0.000& 18.45 $ 56.78 $ 52.54 $ 78.11 $1966 $5403 $ 427.6 # 40.79 $ 1.629& 14
15 5.565& 0.000& 0.000& 16.70 " 54.00 $ 50.23 $ 76.80 $1800 $5080 $ 402.4 # 35.44 $ 1.327& 15
16 5.018& 0.000& 0.000& 15.26 " 52.05 $ 49.42 $ 212.1 $1976 $4082 $ 376.4 # 31.68 $ 0.928& 16
17 4.010& 0.000& 0.000& 14.78 " 54.48 $ 49.99 $ 314.7 #1674 #4770 $ 351.3 # 29.52 $ 0.586& 17
18 2.551& 0.000& 3.193& 13.55 " 59.90 $ 50.56 $ 381.8 #1435 #4590 $ 292.6 # 27.31 $ 0.348& 18
19 53.11 & 0.000& 11.66 " 12.13 " 56.31 $ 49.03 $ 393.9 #1166 #3884 $ 271.7 # 23.85 $ 0.169& 19
20 52.18 $ 0.000& 8.308& 11.52 " 59.90 $ 48.64 $ 479.1 # 997.7 #3218 $ 286.0 # 20.79 $ 0.070& 20
21 39.32 $ 0.000& 6.025& 10.64 " 56.46 $ 48.05 $ 451.0 # 896.4 #3038 $ 297.4 # 18.20 $ 0.019& 21
22 34.14 $ 0.000& 4.284& 10.72 " 53.11 $ 48.35 $ 398.5 # 757.8 #2949 $ 271.9 # 16.97 " 0.004& 22
23 35.64 $ 0.000& 2.970& 10.57 " 52.33 $ 46.81 $ 321.3 # 639.9 #3649 $ 241.6 # 18.25 $ 0.000& 23
24 34.32 $ 0.000& 2.086& 9.969" 53.53 $ 46.61 $ 313.2 # 555.1 #3457 $ 217.3 $ 16.26 " 0.000& 24
25 29.82 $ 0.000& 1.530& 9.334" 49.38 $ 49.97 $ 302.0 # 499.4 #2858 $ 205.1 $ 14.78 " 0.000& 25
26 22.70 $ 0.000& 32.99 & 8.850& 50.48 $ 49.41 $ 318.8 # 601.5 #2471 $ 190.6 $ 12.94 " 0.000& 26
27 18.39 $ 0.000& 10.70 & 9.179" 48.19 $ 51.63 $ 750.4 # 739.5 #2607 $ 178.4 $ 12.37 " 0.000& 27
28 15.22 " 0.000& 4.894& 9.498" 48.67 $ 52.38 $1098 #1037 #2216 $ 162.1 $ 11.56 " 0.000& 28
29 12.64 " 8.818& 8.645" 47.97 $ 50.17 $1008 #1072 #1814 $ 147.1 $ 10.98 " 0.000& 29
30 10.73 " 11.39 " 8.018& 63.19 $ 48.02 $1009 # 875.4 #1640 # 134.1 $ 11.77 " 0.000& 30
31 8.542& 9.174& 63.49 $ 1170 #1575 # 121.6 $ 0.000& 31
Mean 15.77 & 0.870& 3.807& 10.21 & 43.75 & 58.62 $ 311.4 $1303 $2681 $ 458.6 $ 42.31 $ 3.305&
Median 10.73 & 0.000& 0.000& 9.416& 52.33 & 52.01 $ 212.1 $1037 $2539 $ 376.4 $ 33.56 $ 0.928&
Maximum 53.11 & 6.483& 32.99 & 25.36 & 71.13 & 94.76 $1170 $2858 $5403 $1358 $ 111.1 $ 11.62 &
Minimum 1.441& 0.000& 0.000& 1.829& 7.748& 46.61 $ 38.71 $ 474.2 $1150 $ 121.6 $ 10.98 $ 0.000&
Total 488.8 & 24.37& 118.0 & 306.3 & 1356 & 1758 $ 9654 $40403 $80436 $14216 $ 1269 $ 102.4 &
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 43.98 & # ... Relative Uncertainty +/-15%
Annual Total 150132 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 5403 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& 0.000& 0.000& 0.000& 0.000& 306.6 # 352.6 #1640 #1150 # 311.6 # 92.87 $ 36.65 $ 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 271.4 # 439.0 #1390 #1117 # 274.4 # 81.52 $ 27.53 $ 2
3 0.000& 0.000& 0.000& 0.000& 0.000& 242.2 # 769.0 #1216 #1383 # 251.1 # 72.74 $ 21.43 $ 3
4 0.000& 0.000& 0.000& 0.000& 0.000& 217.7 $ 586.7 #1060 #1250 # 236.7 # 64.51 $ 17.60 $ 4
5 0.000& 0.000& 0.000& 0.000& 0.000& 195.1 $ 536.3 # 917.3 # 972.6 # 247.9 # 58.77 $ 14.96 " 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 165.9 $ 615.3 # 800.4 # 841.8 # 281.3 # 53.96 $ 13.83 " 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 138.0 $1163 # 716.1 # 909.3 # 260.5 # 51.35 $ 12.95 " 7
8 0.000& 0.000& 0.000& 0.000& 59.92 & 118.3 $1879 $ 672.3 #1300 # 223.3 $ 46.48 $ 11.88 " 8
9 0.000& 0.000& 0.000& 0.000& 66.68 $ 105.1 $1801 $ 623.2 #1555 # 194.4 $ 42.21 $ 10.27 " 9
10 0.000& 0.000& 0.000& 0.000& 128.3 $ 110.6 $1697 # 570.9 #1301 # 172.7 $ 38.65 $ 8.687& 10
11 0.000& 0.000& 0.000& 0.000& 213.2 $ 118.9 $1632 # 538.6 #1133 # 158.4 $ 35.91 $ 7.380& 11
12 0.000& 0.000& 0.000& 0.000& 243.9 # 120.5 $1566 # 503.9 #1021 # 144.8 $ 32.78 $ 6.390& 12
13 0.000& 0.000& 0.000& 0.000& 190.2 $ 106.3 $1331 # 503.3 #1017 # 132.9 $ 30.01 $ 5.291& 13
14 0.000& 0.000& 0.000& 0.000& 136.5 $ 94.46 $1253 # 487.3 # 899.0 # 124.5 $ 26.88 $ 4.370& 14
15 0.000& 0.000& 0.000& 0.000& 100.4 $ 101.6 $1393 # 435.5 # 697.7 # 114.0 $ 24.33 $ 3.656& 15
16 0.000& 0.000& 0.000& 0.000& 74.58 $ 100.7 $1262 # 392.2 # 563.1 # 105.0 $ 22.62 $ 3.149& 16
17 0.000& 0.000& 0.000& 0.000& 61.64 $ 101.4 $1196 # 360.7 # 468.1 # 95.44 $ 20.97 $ 2.537& 17
18 0.000& 0.000& 0.000& 0.000& 54.30 $ 489.9 $1075 # 425.2 # 404.4 # 88.52 $ 19.72 $ 1.918& 18
19 0.000& 0.000& 0.000& 0.000& 48.93 $ 675.6 #1020 # 774.5 # 353.1 # 86.56 $ 18.34 $ 1.456& 19
20 0.000& 0.000& 0.000& 0.000& 45.93 $ 697.6 # 968.5 # 895.1 # 315.9 # 185.7 $ 17.00 " 1.134& 20
21 0.000& 0.000& 0.000& 0.000& 43.85 $ 874.2 # 954.9 # 919.5 # 315.0 # 462.1 # 16.83 " 0.911& 21
22 0.000& 0.000& 0.000& 0.000& 41.66 $1204 #1768 $1012 # 425.3 # 397.5 # 16.04 " 0.689& 22
23 0.000& 0.000& 0.000& 0.000& 99.53 $1031 #2726 $ 950.5 # 415.0 # 312.0 # 15.19 " 0.425& 23
24 0.000& 0.000& 0.000& 0.000& 190.4 $ 919.7 #2916 $ 862.2 # 336.3 # 266.6 # 14.60 " 0.239& 24
25 0.000& 0.000& 0.000& 0.000& 226.6 $ 790.7 #2748 $ 731.6 # 299.8 # 214.2 $ 13.38 " 0.100& 25
26 0.000& 0.000& 0.000& 0.000& 292.4 # 659.4 #2713 $ 621.2 # 303.2 # 194.0 $ 14.28 $ 0.033& 26
27 0.000& 0.000& 0.000& 0.000& 415.1 # 589.0 #2797 $ 549.9 # 344.7 # 160.3 $ 19.47 $ 0.005& 27
28 0.000& 0.000& 0.000& 0.000& 354.7 # 526.7 #2379 $ 498.0 # 490.9 # 132.7 $ 20.83 $ 0.000& 28
29 0.000& 0.000& 0.000& 359.1 # 455.8 #2118 $ 518.2 # 453.9 # 114.0 $ 22.89 $ 0.000& 29
30 0.000& 0.000& 0.000& 359.6 # 398.0 #1962 $1599 # 377.7 # 104.9 $ 43.17 $ 0.000& 30
31 0.000& 0.000& 345.4 # 1919 $1408 # 103.7 $ 0.000& 31
Mean 0.000& 0.000& 0.000& 0.000& 134.0 & 397.5 $1533 $ 793.3 # 747.2 # 198.4 $ 34.94 $ 6.951&
Median 0.000& 0.000& 0.000& 0.000& 74.58 & 256.8 $1393 $ 716.1 # 630.4 # 185.7 $ 25.61 $ 3.149&
Maximum 0.000& 0.000& 0.000& 0.000& 415.1 &1204 $2916 $1640 #1555 # 462.1 $ 92.87 $ 36.65 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 94.46 $ 352.6 $ 360.7 # 299.8 # 86.56 $ 13.38 $ 0.000&
Total 0.00& 0.00& 0.00& 0.00& 4153 &11926 $47535 $24594 #22415 # 6152 $ 1048 $ 215.5 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 323.4 & " ... Relative Uncertainty +/-10%
Ann. Median 45.93 & # ... Relative Uncertainty +/-15%
Annual Total 118038 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2916 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& 0.000& 0.000& 0.000& 0.000& 9.866" 71.54 $1439 # 497.4 # 72.89 $ 12.27 " 2.438& 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 11.10 " 66.25 $1404 # 443.8 # 68.47 $ 13.64 " 1.843& 2
3 0.000& 0.000& 0.000& 0.000& 0.000& 16.10 $ 63.87 $1487 $ 381.2 # 65.10 $ 14.19 " 1.453& 3
4 0.000& 0.000& 0.000& 0.000& 0.000& 20.05 $ 62.60 $2021 $ 349.3 # 61.22 $ 14.02 " 1.158& 4
5 0.000& 0.000& 0.000& 0.000& 0.000& 20.83 $ 63.98 $2060 $ 358.5 # 59.69 $ 14.04 " 1.185& 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 21.06 $ 63.81 $1686 # 354.0 # 56.47 $ 13.36 " 1.479& 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 21.40 $ 65.67 $1355 # 315.8 # 52.24 $ 12.13 " 1.380& 7
8 0.000& 0.000& 0.000& 0.000& 0.000& 20.55 $ 67.39 $1227 # 277.0 # 48.49 $ 11.32 " 0.913& 8
9 0.000& 0.000& 0.000& 0.000& 0.000& 20.17 $ 68.26 $1179 # 253.6 # 45.32 $ 10.21 " 0.939& 9
10 0.000& 0.000& 0.000& 0.000& 0.000& 19.76 $ 65.69 $1020 # 237.6 # 42.44 $ 9.054" 2.707& 10
11 0.000& 0.000& 0.000& 0.000& 0.000& 19.16 $ 60.62 $ 914.3 # 235.0 # 39.31 $ 8.099& 2.431& 11
12 0.000& 0.000& 0.000& 0.000& 0.000& 18.96 $ 57.23 $ 813.9 # 309.5 # 36.29 $ 6.923& 1.880& 12
13 0.000& 0.000& 0.000& 0.000& 0.000& 18.72 $ 54.41 $ 791.2 # 401.4 # 33.47 $ 6.163& 1.479& 13
14 0.000& 0.000& 0.000& 0.000& 0.000& 18.25 " 52.11 $ 725.8 # 348.0 # 31.69 $ 5.656& 1.041& 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 18.14 " 52.47 $ 607.9 # 272.4 # 30.83 $ 6.450& 0.754& 15
16 0.000& 0.000& 0.000& 0.000& 0.000& 17.84 " 52.68 $ 541.4 # 241.7 # 29.07 $ 19.22 $ 0.487& 16
17 0.000& 0.000& 0.000& 0.000& 0.000& 17.67 " 52.14 $ 516.0 # 223.1 # 27.54 $ 18.35 $ 0.278& 17
18 0.000& 0.000& 0.000& 0.000& 0.000& 17.83 " 53.17 $ 554.6 # 206.1 $ 26.97 $ 15.94 " 0.127& 18
19 0.000& 0.000& 0.000& 0.000& 35.77 & 19.52 $ 53.57 $ 570.4 # 197.0 $ 26.48 $ 14.14 " 0.037& 19
20 0.000& 0.000& 0.000& 0.000& 35.15 $ 22.62 $ 68.04 $ 866.8 # 192.4 $ 25.84 $ 20.01 $ 0.005& 20
21 0.000& 0.000& 0.000& 0.000& 24.72 $ 33.44 $ 90.55 $1209 # 175.4 $ 25.26 $ 17.38 $ 0.000& 21
22 0.000& 0.000& 0.000& 0.000& 19.23 $ 71.52 $ 102.7 $1410 # 157.5 $ 24.12 $ 14.37 " 0.000& 22
23 0.000& 0.000& 0.000& 0.000& 16.07 " 104.9 $ 109.6 $1321 # 141.4 $ 23.04 $ 12.16 " 0.000& 23
24 0.000& 0.000& 0.000& 0.000& 13.86 " 79.71 $ 100.0 $1209 # 128.0 $ 21.60 $ 10.31 " 0.000& 24
25 0.000& 0.000& 0.000& 0.000& 12.66 " 59.92 $ 86.84 $1080 # 118.7 $ 19.66 $ 8.548& 0.000& 25
26 0.000& 0.000& 0.000& 0.000& 11.82 " 61.78 $ 77.39 $ 966.9 # 109.9 $ 18.03 $ 6.941& 0.000& 26
27 0.000& 0.000& 0.000& 0.000& 11.46 " 54.37 $ 72.86 $ 854.9 # 99.41 $ 16.64 " 5.779& 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 11.37 " 46.66 $ 106.8 $ 690.1 # 91.69 $ 15.58 " 4.842& 0.000& 28
29 0.000& 0.000& 0.000& 10.87 " 43.48 $ 274.3 $ 591.3 # 84.83 $ 14.81 " 3.900& 0.000& 29
30 0.000& 0.000& 0.000& 10.36 " 80.41 $ 334.6 # 584.7 # 77.86 $ 13.79 " 3.102& 0.000& 30
31 0.000& 0.000& 10.06 " 502.8 # 549.0 # 13.12 " 0.000& 31
Mean 0.000& 0.000& 0.000& 0.000& 7.207& 33.53 $ 99.16 $1040 $ 242.6 $ 35.02 $ 11.08 & 0.775&
Median 0.000& 0.000& 0.000& 0.000& 0.000& 20.36 $ 66.25 $ 966.9 $ 236.3 $ 29.07 $ 11.72 & 0.487&
Maximum 0.000& 0.000& 0.000& 0.000& 35.77 & 104.9 $ 502.8 $2060 $ 497.4 $ 72.89 $ 20.01 & 2.707&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 9.866$ 52.11 $ 516.0 $ 77.86 $ 13.12 $ 3.102& 0.000&
Total 0.00& 0.00& 0.00& 0.00& 223.4 & 1006 $ 3074 $32246 $ 7279 $ 1085 $ 332.5 & 24.01&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 124.0 & " ... Relative Uncertainty +/-10%
Ann. Median 10.06 & # ... Relative Uncertainty +/-15%
Annual Total 45271 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2060 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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& 28.85 $ 1.515& 538.0 # 269.5 # 649.8 # 534.3 #1468 #2949 $ 564.9 # 97.92 $ 10.98 " 1
2 0.000& 184.5 $ 1.106& 359.6 # 227.6 # 571.5 # 605.3 #1349 #2433 $ 617.8 # 89.48 $ 9.924" 2
3 0.000& 205.9 $ 0.790& 237.0 $ 198.9 $ 520.3 # 547.5 #1251 #2111 $ 599.0 # 82.91 $ 9.301" 3
4 0.000& 160.2 $ 0.486& 169.7 $ 173.3 $ 499.2 # 552.3 #1181 #1847 $ 548.1 # 76.53 $ 8.678& 4
5 0.000& 128.5 $ 0.235& 126.8 $ 155.1 $ 469.5 # 583.2 #1199 #1665 # 548.8 # 71.12 $ 7.784& 5
6 0.000& 110.0 $ 0.105& 99.82 $ 154.5 $ 435.4 # 519.8 #1220 #1527 # 487.5 # 66.32 $ 7.102& 6
7 0.000& 95.12 $ 0.041& 85.45 $ 174.7 $ 548.2 # 442.6 #1602 #1457 # 435.2 # 61.91 $ 6.468& 7
8 0.000& 78.91 $ 0.011& 72.41 $ 244.8 $ 668.7 # 440.1 #2054 $1536 # 550.7 # 57.34 $ 5.766& 8
9 0.000& 65.10 $ 0.000& 69.60 $ 300.1 # 648.2 # 763.6 #2446 $1368 # 858.4 # 53.30 $ 5.041& 9
10 0.000& 53.12 $ 0.000& 63.20 $ 326.6 # 731.1 #2795 $2394 $1240 # 709.2 # 50.18 $ 4.239& 10
11 0.000& 44.56 $ 0.000& 66.01 $ 341.3 # 726.3 #3472 $2145 $1120 # 533.3 # 48.14 $ 3.704& 11
12 0.000& 36.94 $ 0.000& 69.32 $ 320.1 # 703.9 #3411 $2146 $ 976.2 # 462.4 # 46.23 $ 4.992& 12
13 0.000& 30.93 $ 0.000& 85.54 $ 305.3 # 961.2 #2648 $1926 $ 974.9 # 406.9 # 44.32 $ 5.878& 13
14 0.000& 25.32 $ 0.000& 158.7 $ 296.8 #1153 #2183 $1628 # 901.0 # 364.8 # 40.70 $ 5.870& 14
15 0.000& 20.91 $ 0.000& 243.9 $ 284.3 # 945.2 #1968 $1448 # 800.0 # 359.0 # 37.30 $ 5.385& 15
16 0.000& 17.58 $ 0.000& 340.9 # 274.5 # 850.0 #1763 "1484 # 779.5 # 342.3 # 37.91 $ 5.530& 16
17 0.000& 14.95 " 0.000& 301.5 # 244.5 # 691.0 #2846 $1648 $ 710.7 # 310.0 # 44.34 $ 12.19 " 17
18 0.000& 12.80 " 0.000& 281.0 # 192.0 $ 581.8 #4530 $2967 $ 639.0 # 275.2 # 42.57 $ 14.60 " 18
19 0.000& 10.80 " 0.000& 285.2 # 151.9 $ 543.2 #4656 $2898 $ 745.2 # 249.1 # 44.35 $ 15.67 " 19
20 10.45 & 9.007" 62.35 & 259.5 # 129.8 $ 544.2 #3601 $2754 $ 760.5 # 233.8 # 41.90 $ 12.61 " 20
21 66.27 $ 7.775& 12.40 " 235.4 # 232.2 $ 550.0 #3615 $2532 $ 662.9 # 214.7 $ 36.10 $ 10.32 " 21
22 23.97 $ 6.767& 6.617& 316.6 # 653.7 # 502.2 #3859 $2769 $ 672.8 # 194.9 $ 30.94 $ 8.847& 22
23 13.13 " 5.932& 3.956& 334.6 # 571.3 # 508.3 #3368 $2428 $ 685.1 # 175.4 $ 26.66 $ 7.104& 23
24 8.203& 5.136& 2.486& 305.0 # 976.8 # 504.1 #2914 $2133 $ 651.7 # 161.3 $ 23.44 $ 5.738& 24
25 5.630& 4.241& 1.763& 278.2 #1055 # 459.8 #2546 $1864 $ 652.9 # 148.0 $ 20.70 $ 4.814& 25
26 4.034& 3.428& 31.51 & 360.4 #1114 # 431.5 #2278 $1669 # 636.0 # 137.0 $ 18.21 $ 3.730& 26
27 2.856& 2.767& 184.2 $ 327.7 #1152 # 406.7 #2019 $2482 $ 618.3 # 129.4 $ 16.25 " 3.066& 27
28 2.073& 2.399& 328.5 $ 291.0 #1113 # 405.6 #1805 "3222 $ 702.3 # 121.5 $ 14.45 " 2.439& 28
29 18.51 & 1.917&1627 $ 347.6 #1127 # 472.3 #1641 #2968 $ 635.9 # 115.6 $ 12.92 " 1.950& 29
30 17.49 $ 1463 # 308.9 # 922.0 # 486.8 #1503 #2584 $ 554.3 # 110.2 $ 11.86 " 1.691& 30
31 15.72 " 1028 # 766.3 # 1452 #2781 $ 104.2 $ 1.262& 31
Mean 6.075& 47.39 & 153.5 & 234.0 $ 466.1 $ 605.6 #2125 $2085 $1100 $ 357.0 $ 44.88 $ 6.860&
Median 0.000& 20.91 & 0.486& 268.8 $ 296.8 $ 546.2 #2019 $2133 $ 789.7 $ 342.3 $ 43.45 $ 5.870&
Maximum 66.27 & 205.9 &1627 & 538.0 $1152 $1153 #4656 $3222 $2949 $ 858.4 $ 97.92 $ 15.67 &
Minimum 0.000& 1.917& 0.000& 63.20 $ 129.8 $ 405.6 # 440.1 $1181 $ 554.3 $ 104.2 $ 11.86 $ 1.262&
Total 188.3 & 1374 & 4757 & 7019 $14449 $18169 #65860 $64641 $33013 $11068 $ 1346 $ 212.7 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 606.8 & " ... Relative Uncertainty +/-10%
Ann. Median 240.5 & # ... Relative Uncertainty +/-15%
Annual Total 222099 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4656 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.95& 7280 & 2198 $ 121.3 $ 54.25$ 94.84$ 164.9 $ 2628 $ 1653 # 1105 # 149.3 $ 15.84" 1
2 0.54& 8960 $ 2177 $ 112.7 $ 53.59$ 87.91$ 224.9 # 2385 $ 1746 # 901.3 # 131.9 $ 15.14" 2
3 0.34& 7615 $ 2198 $ 103.0 $ 54.87$ 80.80$ 280.5 # 2192 $ 1563 # 750.0 # 117.9 $ 14.27" 3
4 0.21& 2427 $ 2138 $ 95.87$ 53.56$ 77.71$ 248.3 # 2015 $ 1449 # 620.9 # 105.6 $ 14.57" 4
5 0.14& 2000 $ 2115 $ 93.22$ 54.33$ 74.47$ 320.8 # 1932 $ 1373 # 523.5 # 95.32$ 15.11" 5
6 0.07& 4000 $ 2153 $ 88.11$ 53.49$ 72.53$ 370.4 # 1674 # 1248 # 457.7 # 84.46$ 16.32" 6
7 0.03& 3324 $ 1933 $ 82.86$ 52.36$ 70.30$ 436.8 # 1464 # 1112 # 410.5 # 75.90$ 15.79" 7
8 0.01& 2510 $ 1722 # 77.30$ 53.04$ 67.69$ 531.9 # 1458 $ 993.7 # 372.6 # 69.82$ 15.04" 8
9 0.00& 1955 $ 1493 # 73.26$ 54.40$ 65.75$ 499.0 # 3177 $ 912.8 # 347.3 # 65.92$ 14.08" 9
10 0.00& 5703 $ 1317 # 69.57$ 53.51$ 64.27& 457.9 # 3793 $ 840.6 # 323.7 # 63.65$ 13.42" 10
11 0.00&28842 $ 1190 # 66.55$ 52.20$ 65.52& 429.8 # 3618 $ 785.7 # 302.3 # 63.29$ 12.65" 11
12 0.00&26641 $ 1098 # 64.66$ 52.29$ 67.03& 413.4 # 4565 $ 754.0 # 285.1 # 58.33$ 12.48" 12
13 0.00&20168 $ 1079 # 62.51$ 52.12$ 68.46& 406.8 # 6613 " 694.0 # 263.5 # 53.64$ 12.55" 13
14 0.00&16393 $ 1028 # 60.68$ 51.73$ 73.06& 383.4 # 6924 " 630.4 # 247.3 # 50.81$ 11.38" 14
15 0.00&13685 $ 914.3 # 59.55$ 55.92$ 85.16& 368.1 # 7708 $ 586.3 # 236.3 # 45.06$ 10.51" 15
16 0.00&14422 $ 774.4 # 58.25$ 58.12$ 92.02& 385.6 # 7689 $ 544.0 # 227.7 # 39.79$ 9.78" 16
17 0.00&15637 $ 507.1 # 58.69$ 59.52$ 92.20& 366.8 # 6902 " 509.0 # 248.3 # 36.21$ 9.11" 17
18 0.00&14610 $ 322.6 # 58.67$ 64.47$ 95.58& 327.0 # 6035 $ 475.8 # 318.8 # 34.95$ 13.07" 18
19 0.00&11919 $ 259.3 # 58.53$ 65.91$ 103.0 & 320.2 # 4867 $ 446.7 # 289.4 # 34.74$ 18.14$ 19
20 0.00& 9073 $ 214.3 $ 58.84$ 69.96$ 106.1 & 394.0 # 4103 $ 440.3 # 256.1 # 35.19$ 17.78$ 20
21 0.00& 6976 $ 180.4 $ 58.54$ 104.4 $ 110.5 & 489.1 # 3548 $ 473.4 # 223.3 # 34.83$ 19.77$ 21
22 0.00& 5521 $ 170.9 $ 57.89$ 121.6 $ 140.3 & 583.4 # 3137 $ 694.8 # 215.4 $ 31.48$ 16.52" 22
23 0.00& 4493 $ 183.9 $ 56.66$ 145.2 $ 164.4 & 676.6 # 2906 $ 982.5 # 209.0 $ 28.51$ 14.40" 23
24 0.00& 3704 $ 182.1 $ 56.26$ 131.0 $ 168.9 & 918.9 # 2584 $ 878.6 # 196.8 $ 26.17$ 17.91$ 24
25 0.00& 3303 $ 196.1 $ 55.10$ 122.1 $ 169.9 & 817.3 # 2273 $ 1092 # 184.7 $ 24.57$ 15.83" 25
26 0.00& 2962 $ 200.3 $ 54.34$ 133.0 $ 168.1 & 782.5 # 2049 $ 1314 # 176.1 $ 22.79$ 12.88" 26
27 0.00& 2657 $ 186.3 $ 54.93$ 121.0 $ 158.4 $ 868.9 # 1873 $ 1485 # 176.4 $ 20.86$ 10.91" 27
28 0.00& 2390 $ 170.6 $ 55.13$ 115.8 $ 140.5 $ 1084 # 1703 # 1350 # 176.6 $ 19.12$ 9.31" 28
29 0.00& 157.3 $ 53.67$ 112.0 $ 128.4 $ 1450 # 1550 # 1440 # 172.4 $ 17.56" 8.07& 29
30 0.00& 142.6 $ 54.33$ 105.7 $ 129.2 $ 1610 # 1448 # 1342 # 189.6 $ 16.61" 7.23& 30
31 0.00& 130.4 $ 100.1 $ 1805 $ 1396 # 168.5 $ 6.96& 31
Mean 0.074&8899 & 926.9 $ 69.37 $ 78.43 $ 102.8 & 594.1 $3426 $ 993.7 # 341.2 $ 55.14 $ 13.45 &
Median 0.000&6339 & 774.4 $ 59.20 $ 58.12 $ 92.11 & 429.8 $2628 $ 947.7 # 256.1 $ 42.42 $ 14.08 &
Maximum 0.95&28842 & 2198 $ 121.3 $ 145.2 $ 169.9 & 1805 $ 7708 $ 1746 # 1105 $ 149.3 $ 19.77&
Minimum 0.000&1955 & 130.4 $ 53.67 $ 51.73 $ 64.27 & 164.9 $1396 $ 440.3 # 168.5 $ 16.61 $ 6.963&
Total 2.3&249171 & 28733 $ 2081 $ 2431 $ 3083 & 18416 $106209 $ 29810 # 10576 $ 1654 $ 416.8&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1240 & " ... Relative Uncertainty +/-10%
Ann. Median 164.4 & # ... Relative Uncertainty +/-15%
Annual Total 452585 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 28842 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 6.11& 44.68$ 64.45$ 5.08& 13.23" 157.4 $ 365.0 # 2677 $ 3978 $ 409.7 # 162.3 $ 27.60$ 1
2 5.24& 39.84$ 46.22$ 4.35& 13.65" 160.6 $ 708.1 # 4458 $ 3669 $ 388.6 # 151.8 $ 26.24$ 2
3 4.56& 36.27$ 34.62$ 4.46& 14.28" 141.7 $ 2510 $ 5432 $ 3110 $ 369.0 # 145.1 $ 24.45$ 3
4 4.03& 34.01$ 29.55$ 3.60& 14.10" 125.0 $ 2729 $ 9978 $ 2716 $ 389.8 # 137.8 $ 23.36$ 4
5 3.31& 31.71$ 70.88$ 3.26& 13.86" 121.1 $ 3411 $12065 $ 2494 $ 478.7 # 131.3 $ 23.07$ 5
6 2.82& 29.96$ 67.08$ 2.87& 13.77" 145.6 $ 3363 $10094 $ 2234 $ 544.8 # 122.7 $ 22.01$ 6
7 2.52& 27.66$ 56.64$ 2.46& 13.91" 305.3 $ 3181 $10352 $ 2081 $ 466.9 # 116.0 $ 20.47$ 7
8 2.12& 26.69$ 48.08$ 2.17& 13.81" 454.1 # 2823 $ 7297 $ 1987 $ 437.4 # 111.7 $ 28.92$ 8
9 1.69& 25.48$ 41.17$ 2.00& 13.50" 515.7 # 2797 $ 7566 $ 1849 " 427.2 # 106.1 $ 31.09$ 9
10 1.36& 24.18$ 34.63$ 1.91& 13.57" 573.1 # 2300 $ 9068 $ 1722 " 568.1 # 98.97$ 25.87$ 10
11 1.01& 22.64$ 29.13$ 1.69& 13.79" 640.2 # 1894 $ 7880 $ 1673 # 492.5 # 93.80$ 22.42$ 11
12 0.77& 20.87$ 25.49$ 1.70& 13.60" 517.9 # 1615 # 7647 $ 1508 # 419.9 # 89.67$ 20.40$ 12
13 0.58& 19.67$ 22.93$ 1.98& 13.36" 453.2 # 1414 # 6714 $ 1415 # 388.9 # 86.88$ 18.49$ 13
14 0.38& 18.55$ 20.48$ 2.23& 13.66" 410.6 # 1276 # 5592 $ 1360 # 530.8 # 84.33$ 16.34" 14
15 2.49& 16.83" 18.45$ 2.51& 13.85" 706.2 # 1556 # 4929 $ 1251 # 722.5 # 80.33$ 14.97" 15
16 811.9 $ 15.18" 16.46" 2.78& 13.70" 657.3 # 1757 " 4207 $ 1140 # 564.2 # 73.99$ 13.65" 16
17 1485 $ 13.81" 14.60" 2.99& 13.09" 486.7 # 1728 # 3803 $ 1044 # 495.4 # 69.70$ 12.53" 17
18 1187 # 13.06" 13.03" 3.28& 12.98" 539.4 # 1619 # 3505 $ 958.2 # 449.5 # 65.61$ 11.47" 18
19 1117 # 12.08" 11.75" 3.35& 12.82" 623.2 # 1635 # 3068 $ 886.5 # 454.8 # 61.32$ 11.54" 19
20 730.4 # 11.05" 10.65" 3.17& 12.45" 506.1 # 1483 # 2708 $ 827.7 # 448.7 # 56.85$ 11.83" 20
21 632.8 # 10.16" 9.64" 2.98& 12.18" 446.3 # 1342 # 2524 $ 766.4 # 388.0 # 53.19$ 10.75" 21
22 429.1 # 9.62" 8.70& 3.25& 12.29" 409.2 # 1617 $ 2533 $ 706.9 # 353.0 # 48.95$ 9.68" 22
23 295.9 # 8.71& 8.11& 4.20& 12.20" 379.5 # 2039 $ 2310 $ 651.1 # 329.2 # 45.36$ 8.87" 23
24 211.0 $ 7.96& 7.46& 5.51& 12.93" 390.9 # 2083 $ 2081 $ 597.4 # 301.1 # 42.62$ 8.14& 24
25 156.8 $ 7.73& 7.19& 9.80& 25.97$ 378.0 # 2178 $ 1921 $ 553.9 # 277.4 # 39.55$ 7.27& 25
26 121.5 $ 280.2 & 7.14& 12.94" 93.07$ 341.5 # 3771 $ 1795 " 523.1 # 255.2 # 37.18$ 6.54& 26
27 97.09$ 203.2 $ 7.17& 14.89" 243.3 $ 347.1 # 3704 $ 1677 # 491.7 # 234.8 # 35.49$ 5.96& 27
28 78.43$ 107.5 $ 6.88& 17.80" 205.8 $ 397.8 # 3137 $ 1922 $ 457.1 # 215.6 $ 33.00$ 5.19& 28
29 65.89$ 6.64& 16.25" 164.8 $ 407.5 # 3275 $ 4042 $ 428.8 # 199.3 $ 31.41$ 4.52& 29
30 56.58$ 6.15& 14.52" 161.7 $ 362.1 # 3410 $ 5353 $ 419.3 # 185.1 $ 29.50$ 4.06& 30
31 49.69$ 5.71& 138.3 $ 2595 $ 4289 $ 172.0 $ 3.72& 31
Mean 244.0 & 39.97 & 24.42 & 5.333& 43.66 $ 403.4 $2236 $5145 $1450 $ 398.6 $ 81.41 $ 15.53 &
Median 49.69 & 21.75 & 16.46 & 3.258& 13.70 $ 408.4 $2083 $4289 $1196 $ 409.7 $ 77.16 $ 13.65 &
Maximum 1485 & 280.2 & 70.88& 17.80& 243.3 $ 706.2 $ 3771 $12065 $ 3978 $ 722.5 $ 162.3 $ 31.09&
Minimum 0.376& 7.728& 5.709& 1.690& 12.18 $ 121.1 $ 365.0 $1677 $ 419.3 $ 172.0 $ 29.50 $ 3.717&
Total 7565 & 1119 & 757.1& 160.0& 1354 $ 12101 $ 69316 $159488 $ 43497 $ 12358 $ 2442 $ 481.4&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 851.1 & " ... Relative Uncertainty +/-10%
Ann. Median 97.09 & # ... Relative Uncertainty +/-15%
Annual Total 310638 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 12065 & 0.376&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 3.399& 0.000& 0.000& 0.000& 0.000& 7.455&1356 # 504.9 #1629 # 158.4 $ 62.25 $ 4.090& 1
2 3.113& 0.000& 0.000& 0.000& 0.000& 17.51 "1216 # 455.7 #2101 $ 148.7 $ 84.58 $ 3.524& 2
3 3.009& 0.000& 0.000& 0.000& 0.000& 17.92 "1040 # 421.5 #2454 $ 139.2 $ 97.57 $ 2.977& 3
4 2.556& 0.000& 0.000& 0.000& 0.000& 18.08 "1105 # 418.4 #2526 $ 133.3 $ 87.10 $ 2.386& 4
5 1.996& 0.000& 0.000& 0.000& 0.000& 17.69 "2658 $ 421.6 #2229 $ 144.7 $ 72.42 $ 1.862& 5
6 1.487& 0.000& 0.000& 0.000& 0.000& 17.25 "2936 $ 513.3 #1848 $ 151.3 $ 62.55 $ 1.343& 6
7 1.095& 0.000& 0.000& 0.000& 0.000& 21.77 $2842 $ 557.8 #1494 # 143.3 $ 55.43 $ 1.012& 7
8 0.766& 0.000& 0.000& 0.000& 0.000& 28.72 $2578 $ 532.7 #1225 # 125.7 $ 49.59 $ 0.849& 8
9 0.527& 0.000& 0.000& 0.000& 0.000& 42.55 $2419 $ 542.2 #1006 # 113.2 $ 44.07 $ 0.661& 9
10 0.310& 0.000& 0.000& 0.000& 0.000& 97.49 $2058 $ 597.3 # 832.6 # 104.5 $ 39.96 $ 0.439& 10
11 0.161& 0.000& 0.000& 0.000& 0.000& 220.3 $1739 # 603.5 # 692.1 # 99.28 $ 36.18 $ 0.191& 11
12 0.064& 0.000& 0.000& 0.000& 0.000& 298.9 #1486 # 547.1 # 590.0 # 98.60 $ 32.04 $ 0.058& 12
13 0.019& 0.000& 0.000& 0.000& 0.000& 218.4 $1273 # 487.1 # 513.9 # 96.46 $ 28.91 $ 0.008& 13
14 0.003& 0.000& 0.000& 0.000& 0.000& 177.6 $1087 # 495.4 # 455.7 # 95.48 $ 25.91 $ 0.000& 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 145.2 $ 919.8 # 599.9 # 409.2 # 90.32 $ 22.63 $ 0.000& 15
16 0.000& 0.000& 0.000& 0.000& 0.000& 127.8 $ 792.8 # 556.4 # 370.8 # 83.85 $ 20.36 $ 0.000& 16
17 0.000& 0.000& 0.000& 0.000& 0.000& 116.8 $ 694.0 #1150 # 338.8 # 78.07 $ 18.89 $ 0.000& 17
18 0.000& 0.000& 0.000& 0.000& 0.000& 108.1 $ 624.5 #1358 # 314.8 # 73.44 $ 17.64 " 0.000& 18
19 0.000& 0.000& 0.000& 0.000& 0.000& 123.0 $ 604.8 #1241 # 366.7 # 69.16 $ 16.15 " 0.000& 19
20 0.000& 0.000& 0.000& 0.000& 0.000& 111.9 $ 943.2 #1192 # 374.0 # 65.72 $ 14.44 " 0.000& 20
21 0.000& 0.000& 0.000& 0.000& 0.000& 101.4 $1150 #1153 # 318.6 # 62.37 $ 12.98 " 0.000& 21
22 0.000& 0.000& 0.000& 0.000& 0.000& 96.87 $1305 #1008 # 281.9 # 59.09 $ 12.14 " 0.000& 22
23 0.000& 0.000& 0.000& 0.000& 0.000& 323.4 $1266 #1093 # 258.3 # 55.85 $ 11.27 " 0.000& 23
24 0.000& 0.000& 0.000& 0.000& 0.000& 492.5 #1191 #1110 # 238.2 # 53.66 $ 10.52 " 0.000& 24
25 0.000& 0.000& 0.000& 0.000& 0.000& 383.0 #1151 # 954.0 # 223.4 # 51.10 $ 9.707" 0.000& 25
26 0.000& 0.000& 0.000& 0.000& 0.000& 350.2 # 991.9 # 853.9 # 208.7 $ 48.84 $ 8.885" 0.000& 26
27 0.000& 0.000& 0.000& 0.000& 0.000& 906.4 # 886.6 # 763.6 # 197.6 $ 46.02 $ 8.059& 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 0.000&1958 $ 794.9 # 720.9 # 188.4 $ 44.36 $ 7.062& 0.000& 28
29 0.000& 0.000& 0.000& 0.000&1812 $ 701.2 # 646.8 # 178.3 $ 42.13 $ 6.005& 0.000& 29
30 0.000& 0.000& 0.000& 0.000&1500 # 629.9 #1029 # 168.6 $ 40.99 $ 4.910& 0.000& 30
31 0.000& 0.000& 0.000& 564.0 #1582 # 50.01 $ 0.000& 31
Mean 0.597& 0.000& 0.000& 0.000& 0.000& 328.6 &1323 $ 777.7 # 801.1 $ 89.26 $ 32.67 & 0.626&
Median 0.000& 0.000& 0.000& 0.000& 0.000& 119.9 &1150 $ 603.5 # 391.6 $ 83.85 $ 21.49 & 0.000&
Maximum 3.399& 0.000& 0.000& 0.000& 0.000&1958 &2936 $1582 #2526 $ 158.4 $ 97.57 & 4.090&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 7.455& 564.0 $ 418.4 # 168.6 $ 40.99 $ 4.910& 0.000&
Total 18.50& 0.00& 0.00& 0.00& 0.00& 9859 &41006 $24110 #24033 $ 2767 $ 980.2 & 19.40&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 281.6 & " ... Relative Uncertainty +/-10%
Ann. Median 4.910& # ... Relative Uncertainty +/-15%
Annual Total 102792 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 2936 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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& 0.343& 292.5 # 147.7 $ 290.0 # 162.5 $ 19.84 $ 18.21 $ 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 31.55 $ 337.9 # 139.2 $ 385.5 # 147.5 $ 23.53 $ 16.51 " 2
3 0.000& 0.000& 0.000& 0.000& 0.000& 26.63 $ 321.3 # 148.8 $ 369.4 # 136.0 $ 26.08 $ 14.99 " 3
4 0.000& 0.000& 0.000& 0.000& 0.000& 23.04 $ 326.7 # 182.6 $ 304.4 # 124.1 $ 28.80 $ 13.59 " 4
5 0.000& 0.000& 0.000& 0.000& 0.000& 20.42 $ 310.2 # 194.5 $ 273.6 # 112.2 $ 32.03 $ 11.97 " 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 19.27 $ 264.3 # 174.8 $ 248.4 # 102.3 $ 31.78 $ 10.63 " 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 17.92 " 244.7 # 162.1 $ 502.1 # 95.01 $ 29.06 $ 9.394" 7
8 0.000& 0.000& 0.000& 0.000& 0.000& 16.83 " 240.2 # 162.9 $ 538.8 # 92.84 $ 25.18 $ 8.202& 8
9 0.000& 0.000& 0.000& 0.000& 0.000& 16.37 " 224.1 # 188.5 $ 389.8 # 91.46 $ 30.54 $ 7.302& 9
10 0.000& 0.000& 0.000& 0.000& 0.000& 16.01 " 197.7 $ 855.0 # 321.8 # 91.50 $ 69.51 $ 6.384& 10
11 0.000& 0.000& 0.000& 0.000& 0.000& 18.05 $ 171.5 $1562 # 303.0 # 85.51 $ 67.55 $ 5.356& 11
12 0.000& 0.000& 0.000& 0.000& 0.000& 24.02 $ 154.4 $1068 # 285.0 # 77.14 $ 68.34 $ 4.600& 12
13 0.000& 0.000& 0.000& 0.000& 0.000& 27.61 $ 146.5 $ 897.2 # 365.4 # 71.10 $ 68.89 $ 4.412& 13
14 0.000& 0.000& 0.000& 0.000& 0.000& 38.78 $ 194.5 $ 832.5 # 306.4 # 66.30 $ 72.11 $ 4.387& 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 44.81 $ 254.3 # 901.6 # 260.4 # 62.15 $ 103.4 $ 3.782& 15
16 0.000& 0.000& 0.000& 0.000& 0.000& 41.96 $ 239.3 # 973.6 # 226.9 # 57.78 $ 120.5 $ 3.176& 16
17 0.000& 0.000& 0.000& 0.000& 0.000& 41.23 $ 323.8 #1428 # 198.6 $ 52.91 $ 104.1 $ 2.518& 17
18 0.000& 0.000& 0.000& 0.000& 0.000& 53.85 $ 438.5 #1241 # 179.0 $ 48.69 $ 78.14 $ 1.944& 18
19 0.000& 0.000& 0.000& 0.000& 0.000& 67.83 $ 351.8 #1111 # 181.8 $ 45.81 $ 63.53 $ 1.425& 19
20 0.000& 0.000& 0.000& 0.000& 0.000& 77.62 $ 379.6 # 888.7 # 202.6 $ 42.53 $ 57.30 $ 1.074& 20
21 0.000& 0.000& 0.000& 0.000& 0.000& 65.04 $ 366.2 # 766.8 # 218.5 # 39.17 $ 52.19 $ 0.737& 21
22 0.000& 0.000& 0.000& 0.000& 0.000& 55.83 $ 334.4 # 676.5 # 208.7 $ 36.20 $ 46.83 $ 0.458& 22
23 0.000& 0.000& 0.000& 0.000& 0.000& 61.15 $ 327.1 # 577.0 # 181.7 $ 33.08 $ 42.48 $ 0.241& 23
24 0.000& 0.000& 0.000& 0.000& 0.000& 62.73 $ 281.3 # 495.1 # 158.8 $ 30.26 $ 39.28 $ 0.106& 24
25 0.000& 0.000& 0.000& 0.000& 0.000& 58.65 $ 240.3 # 436.7 # 144.6 $ 27.42 $ 35.40 $ 0.026& 25
26 0.000& 0.000& 0.000& 0.000& 0.000& 55.47 $ 215.2 $ 386.7 # 138.1 $ 25.37 $ 30.89 $ 0.002& 26
27 0.000& 0.000& 0.000& 0.000& 0.000& 55.74 $ 201.8 $ 340.5 # 146.6 $ 23.18 $ 26.55 $ 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 0.000& 82.61 $ 200.8 $ 302.4 # 164.4 $ 21.61 $ 22.94 $ 0.000& 28
29 0.000& 0.000& 0.000& 0.000& 0.000& 354.6 $ 186.7 $ 277.3 # 178.3 $ 19.64 $ 20.18 $ 0.000& 29
30 0.000& 0.000& 0.000& 0.000& 453.2 # 172.3 $ 255.4 # 162.1 $ 17.86 $ 19.48 $ 0.000& 30
31 0.000& 0.000& 0.000& 158.9 $ 242.9 # 16.41 " 0.000& 31
Mean 0.000& 0.000& 0.000& 0.000& 0.000& 64.30 & 261.3 $ 581.1 $ 261.2 $ 66.31 $ 48.54 $ 4.885&
Median 0.000& 0.000& 0.000& 0.000& 0.000& 41.60 & 244.7 $ 436.7 $ 237.7 $ 57.78 $ 37.34 $ 3.176&
Maximum 0.000& 0.000& 0.000& 0.000& 0.000& 453.2 & 438.5 $1562 $ 538.8 $ 162.5 $ 120.5 $ 18.21 &
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 0.343& 146.5 $ 139.2 $ 138.1 $ 16.41 $ 19.48 $ 0.000&
Total 0.00& 0.00& 0.00& 0.00& 0.00& 1929 & 8099 $18016 $ 7835 $ 2056 $ 1456 $ 151.4 &
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 108.0 & " ... Relative Uncertainty +/-10%
Ann. Median 16.19 & # ... Relative Uncertainty +/-15%
Annual Total 39541 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 1562 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.00& 0.00& 0.00& 38.28$ 23.41$ 1486 # 509.7 #16950 $ 2108 $ 625.7 # 571.1 # 54.29$ 1
2 0.00& 0.00& 0.00& 34.81$ 22.90$ 1251 # 474.5 #17502 $ 2389 $ 748.7 # 511.8 # 50.15$ 2
3 0.00& 0.00& 0.00& 32.13$ 25.68$ 1140 # 444.7 #14843 $ 2483 $ 826.8 # 428.9 # 45.51$ 3
4 0.00& 0.00& 5691 & 30.73$ 28.28$ 921.3 # 568.1 #13677 $ 2331 $ 754.8 # 370.0 # 40.79$ 4
5 0.00& 0.00& 6605 $ 29.40$ 62.11$ 742.4 # 1014 #10437 $ 2193 $ 706.5 # 321.7 # 37.21$ 5
6 0.00& 0.00& 2677 $ 27.98$ 1588 $ 601.6 # 1290 # 8649 $ 2081 $ 666.9 # 281.3 # 33.12$ 6
7 0.00& 0.00& 1883 $ 26.76$ 581.7 # 497.6 # 3587 $ 7479 $ 1873 $ 614.6 # 250.8 # 28.58$ 7
8 0.00& 0.00& 1564 # 26.01$ 543.1 # 424.0 # 4157 $ 7859 $ 1678 # 554.2 # 227.8 # 25.26$ 8
9 0.00& 0.00& 1179 # 24.30$ 421.6 # 372.6 # 4041 $ 9419 $ 1546 # 487.8 # 208.4 $ 22.36$ 9
10 0.00& 0.00& 690.5 # 22.55$ 566.0 # 379.2 # 6594 $11519 $ 1549 # 429.6 # 195.5 $ 19.78$ 10
11 0.00& 0.00& 444.9 # 23.13$ 502.9 # 461.4 # 6730 "15479 $ 1615 # 396.9 # 187.9 $ 17.99" 11
12 0.00& 0.00& 324.7 # 25.29$ 440.7 # 494.5 # 6151 $14712 $ 1626 # 386.1 # 191.9 $ 16.64" 12
13 0.00& 0.00& 251.5 # 25.56$ 375.7 # 486.2 #10200 $14337 $ 1709 # 369.6 # 185.0 $ 15.10" 13
14 0.00& 0.00& 203.9 $ 25.36$ 302.1 # 436.1 #10643 $10903 $ 1716 # 334.0 # 165.8 $ 13.88" 14
15 0.00& 0.00& 180.5 $ 27.91$ 244.8 # 424.8 #10613 $ 8737 $ 1470 # 306.7 # 153.9 $ 12.49" 15
16 0.00& 0.00& 156.4 $ 30.99$ 208.0 $ 455.1 #10633 $ 7379 $ 1587 $ 285.5 # 145.0 $ 11.58" 16
17 0.00& 0.00& 137.6 $ 29.46$ 181.3 $ 405.8 # 8305 $ 6220 $ 2011 $ 265.4 # 136.8 $ 11.76" 17
18 0.00& 0.00& 121.5 $ 27.81$ 170.4 $ 357.7 # 6682 " 5565 $ 1813 $ 249.5 # 131.8 $ 11.41" 18
19 0.00& 0.00& 107.1 $ 29.44$ 148.8 $ 323.2 # 5948 $ 5216 $ 1510 # 288.2 # 129.1 $ 10.91" 19
20 0.00& 0.00& 95.07$ 30.05$ 136.8 $ 338.1 # 5412 $ 5515 $ 1369 # 750.8 # 121.6 $ 10.55" 20
21 0.00& 0.00& 84.73$ 28.17$ 127.4 $ 434.3 # 7357 $ 4948 $ 1270 # 1072 # 115.0 $ 10.30" 21
22 0.00& 0.00& 76.43$ 26.26$ 121.0 $ 602.6 #11241 $ 4434 $ 1090 # 908.4 # 117.7 $ 10.17" 22
23 0.00& 0.00& 69.70$ 24.92$ 126.6 $ 691.8 #14707 $ 4016 $ 937.3 # 757.3 # 104.4 $ 9.47" 23
24 0.00& 0.00& 63.74$ 24.07$ 156.6 $ 718.3 #15380 $ 3639 $ 808.7 # 609.8 # 95.34$ 8.15& 24
25 0.00& 0.00& 58.66$ 23.39$ 178.0 $ 709.0 #10017 $ 3321 $ 701.7 # 535.9 # 88.55$ 6.69& 25
26 0.00& 0.00& 53.43$ 22.81$ 178.8 $ 734.4 # 8251 $ 3080 $ 642.8 # 539.2 # 80.49$ 5.42& 26
27 0.00& 0.00& 49.82$ 22.31$ 152.8 $ 631.5 # 8489 $ 2752 $ 634.8 # 1012 # 72.87$ 4.47& 27
28 0.00& 0.00& 46.33$ 21.47$ 171.3 $ 559.8 # 9448 $ 2512 $ 617.1 # 1170 # 67.10$ 3.52& 28
29 0.00& 43.24$ 21.32$ 487.7 # 580.3 #13402 $ 2378 $ 570.9 # 854.2 # 62.63$ 2.47& 29
30 0.00& 41.07$ 25.21$ 1120 # 557.3 #17217 $ 2299 $ 564.8 # 701.2 # 58.70$ 1.75& 30
31 0.00& 38.78$ 1530 # 15613 $ 2180 $ 594.2 # 1.23& 31
Mean 0.000& 0.000& 740.0 & 26.93 $ 352.4 $ 607.3 #7585 $7999 $1483 $ 606.5 # 192.6 $ 17.84 &
Median 0.000& 0.000& 107.1 & 26.14 $ 178.8 $ 527.5 #7357 $7379 $1568 $ 609.8 # 149.5 $ 11.76 &
Maximum 0.00& 0.00& 6605 & 38.28$ 1588 $ 1486 #17217 $17502 $ 2483 $ 1170 # 571.1 $ 54.29&
Minimum 0.000& 0.000& 0.000& 21.32 $ 22.90 $ 323.2 # 444.7 $2180 $ 564.8 $ 249.5 # 58.70 $ 1.226&
Total 0.0& 0.0& 22939 & 807.9$ 10924 $ 18219 #235120 $247956 $ 44496 $ 18802 # 5779 $ 553.0&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1659 & " ... Relative Uncertainty +/-10%
Ann. Median 244.8 & # ... Relative Uncertainty +/-15%
Annual Total 605595 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 17502 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.78& 0.00& 0.00& 0.00& 14.10" 144.1 $ 447.0 # 2318 $ 3910 $ 938.5 # 205.2 $ 53.94$ 1
2 0.42& 0.00& 0.00& 0.00& 13.19" 133.2 $ 416.8 # 4113 $ 3539 $ 861.6 # 191.2 $ 50.33$ 2
3 0.21& 0.00& 0.00& 0.00& 12.95" 120.7 $ 395.5 # 5769 $ 3326 $ 792.3 # 178.0 $ 46.44$ 3
4 0.09& 0.00& 0.00& 0.00& 12.15" 106.8 $ 378.7 # 9088 $ 3746 $ 731.0 # 164.1 $ 42.75$ 4
5 0.03& 0.00& 0.00& 0.00& 11.72" 95.25$ 363.3 #10411 $ 5177 $ 667.7 # 149.9 $ 39.30$ 5
6 0.01& 0.00& 0.00& 0.00& 11.78" 86.43$ 348.2 #10467 $ 6372 $ 617.2 # 139.6 $ 36.43$ 6
7 0.00& 0.00& 0.00& 0.00& 12.26" 80.14$ 337.3 # 8051 $ 6411 " 563.6 # 132.2 $ 32.94$ 7
8 0.00& 0.00& 0.00& 9.58& 13.35" 75.29$ 324.9 # 6237 $ 5624 $ 528.1 # 124.3 $ 30.49$ 8
9 0.00& 0.00& 0.00& 47.60$ 14.02" 80.01$ 328.1 # 7156 $ 4877 $ 499.2 # 120.9 $ 27.81$ 9
10 0.00& 0.00& 0.00& 43.46$ 14.09" 89.59$ 473.4 # 7707 $ 4311 $ 482.6 # 145.3 $ 25.51$ 10
11 0.00& 0.00& 0.00& 40.83$ 13.76" 123.6 $ 477.6 # 6770 " 3856 $ 472.7 # 176.0 $ 23.34$ 11
12 0.00& 0.00& 0.00& 42.39$ 16.58" 153.0 $ 389.3 # 5945 $ 3431 $ 456.5 # 230.7 $ 21.78$ 12
13 0.00& 0.00& 0.00& 32.13$ 18.28$ 196.7 $ 377.3 # 5303 $ 3368 $ 432.9 # 194.0 $ 20.11$ 13
14 0.00& 0.00& 0.00& 26.71$ 21.63$ 254.9 # 420.4 # 4980 $ 3694 $ 411.5 # 153.1 $ 18.72$ 14
15 0.00& 0.00& 0.00& 25.26$ 20.17$ 507.4 # 655.8 # 4547 $ 3700 $ 392.0 # 127.3 $ 17.39" 15
16 0.00& 0.00& 0.00& 23.60$ 24.92$ 1011 # 668.7 # 8395 $ 3565 $ 373.5 # 110.8 $ 16.52" 16
17 0.00& 0.00& 0.00& 21.37$ 26.38$ 1057 # 839.5 #14904 $ 3472 $ 359.2 # 99.96$ 14.89" 17
18 0.00& 0.00& 0.00& 19.48$ 25.04$ 1100 # 852.4 #18196 $ 2997 $ 347.2 # 109.1 $ 13.73" 18
19 0.00& 0.00& 0.00& 17.85" 28.27$ 1177 # 874.0 #20982 $ 2741 $ 333.3 # 132.1 $ 13.32" 19
20 0.00& 0.00& 0.00& 16.46" 31.27$ 1072 # 857.2 #19271 $ 2618 $ 316.6 # 144.0 $ 13.32" 20
21 0.00& 0.00& 0.00& 15.24" 33.55$ 1087 # 808.4 #14753 $ 2450 $ 306.9 # 121.8 $ 12.15" 21
22 0.00& 0.00& 0.00& 14.90" 35.01$ 1382 # 885.2 #11353 $ 2297 $ 305.1 # 103.8 $ 10.70" 22
23 0.00& 0.00& 0.00& 15.03" 41.02$ 1272 # 1071 # 9149 $ 2123 $ 299.8 # 97.18$ 9.23" 23
24 0.00& 0.00& 0.00& 14.62" 88.34$ 1207 # 1576 # 7990 $ 1789 $ 321.0 # 92.97$ 7.85& 24
25 0.00& 0.00& 0.00& 13.79" 125.7 $ 969.4 # 1450 # 7634 $ 1479 # 344.3 # 89.13$ 6.78& 25
26 0.00& 0.00& 0.00& 14.76" 104.0 $ 728.0 # 1449 # 7042 " 1307 # 290.3 # 81.82$ 5.83& 26
27 0.00& 0.00& 0.00& 14.24" 77.22$ 615.7 # 1645 # 6336 $ 1217 # 265.3 # 74.46$ 4.83& 27
28 0.00& 0.00& 0.00& 16.27" 65.21$ 611.0 # 1749 # 5716 $ 1182 # 249.4 # 68.42$ 3.83& 28
29 0.00& 0.00& 16.76" 61.02$ 566.9 # 1750 $ 5115 $ 1108 # 227.3 # 63.20$ 3.06& 29
30 0.00& 0.00& 15.95" 55.51$ 490.0 # 1931 $ 4620 $ 1018 # 215.2 $ 58.64$ 2.43& 30
31 0.00& 0.00& 125.6 $ 1687 # 4255 $ 214.8 # 1.92& 31
Mean 0.049& 0.000& 0.000& 17.28 & 37.68 $ 553.1 $ 846.1 $8535 $3223 $ 439.3 $ 129.3 $ 20.25 &
Median 0.000& 0.000& 0.000& 15.60 & 24.92 $ 498.7 $ 668.7 $7156 $3399 $ 373.5 $ 125.8 $ 16.52 &
Maximum 0.78& 0.00& 0.00& 47.60& 125.7 $ 1382 $ 1931 $20982 $ 6411 $ 938.5 $ 230.7 $ 53.94&
Minimum 0.000& 0.000& 0.000& 0.000& 11.72 $ 75.29 $ 324.9 $2318 $1018 $ 214.8 $ 58.64 $ 1.924&
Total 1.5& 0.0& 0.0& 518.3& 1168 $ 16593 $ 26228 $264574 $ 96705 $ 13617 $ 3879 $ 627.7&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 1161 & " ... Relative Uncertainty +/-10%
Ann. Median 77.22 & # ... Relative Uncertainty +/-15%
Annual Total 423912 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 20982 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 1.562& 0.000& 0.000& 521.5 # 584.4 # 87.44 $ 538.6 #1094 # 292.1 # 179.4 $ 21.14 $ 0.002& 1
2 1.124& 0.000& 0.000& 328.0 # 447.9 # 93.18 $ 490.4 # 962.4 # 291.4 # 182.8 $ 19.71 $ 0.000& 2
3 0.727& 0.000& 0.000& 626.0 # 372.1 # 140.9 $ 470.0 # 909.7 # 347.1 # 181.8 $ 17.93 $ 0.000& 3
4 0.420& 0.000& 0.000&1321 # 329.8 # 200.5 $ 571.1 # 776.7 # 396.3 # 169.9 $ 16.02 # 0.000& 4
5 0.213& 0.000& 0.000&1052 # 298.8 # 437.6 # 596.9 # 668.1 # 386.2 # 155.8 $ 14.64 # 0.000& 5
6 0.102& 0.000& 0.000& 611.6 # 278.9 # 625.7 # 567.4 # 675.8 # 423.2 # 142.8 $ 13.05 # 0.000& 6
7 0.027& 0.000& 0.000& 450.9 # 276.5 # 979.6 # 588.6 #1125 # 432.0 # 130.5 $ 12.15 # 0.000& 7
8 0.003& 0.000& 0.000& 370.8 # 274.7 #2344 $ 736.7 # 989.0 # 428.1 # 120.7 $ 11.32 # 0.000& 8
9 0.000& 0.000& 0.000& 330.0 # 261.0 #4986 $ 848.3 # 876.6 # 422.5 # 112.6 $ 10.26 # 0.000& 9
10 0.000& 0.000& 0.000& 352.7 # 260.4 #4215 $ 731.8 # 776.5 # 373.3 # 104.6 $ 9.111# 0.000& 10
11 0.000& 0.000& 0.000& 442.9 # 262.1 #3006 $ 617.3 # 760.3 # 347.8 # 96.62 $ 7.968& 0.000& 11
12 0.000& 0.000& 0.000& 637.2 # 253.6 #2191 $ 559.2 # 771.7 # 319.0 # 87.53 $ 7.339& 0.000& 12
13 0.000& 0.000& 0.000& 545.9 # 249.1 #1707 $ 532.2 # 869.1 # 355.1 # 80.82 $ 7.228& 0.000& 13
14 0.000& 0.000& 0.000& 442.3 # 220.3 $1462 # 512.2 # 933.2 # 947.1 # 74.69 $ 6.636& 0.000& 14
15 0.000& 0.000& 0.000& 413.0 # 196.3 $1360 # 480.1 #1168 # 965.2 # 69.67 $ 6.063& 0.000& 15
16 0.000& 0.000& 0.000& 410.5 # 170.4 $1144 # 454.1 #1118 # 992.2 # 65.66 $ 5.013& 0.000& 16
17 0.000& 0.000& 0.000& 420.2 # 143.9 $ 978.8 # 435.7 #1029 #1134 # 61.58 $ 4.222& 0.000& 17
18 0.000& 0.000& 0.000& 387.2 # 126.4 $ 982.3 # 425.2 # 997.2 #1283 # 57.86 $ 3.866& 0.000& 18
19 0.000& 0.000& 0.000& 355.1 # 111.2 $1000 # 540.7 #1266 # 941.7 # 54.67 $ 3.438& 0.000& 19
20 0.000& 0.000& 0.000& 328.3 # 99.78 $1281 # 611.1 #1639 # 695.2 # 51.77 $ 2.861& 0.000& 20
21 0.000& 0.000& 0.000& 307.8 # 90.94 $1105 # 564.0 #1188 # 558.1 # 49.50 $ 2.054& 0.000& 21
22 0.000& 0.000& 0.000& 292.0 # 85.80 $ 886.5 # 578.4 # 887.5 # 469.1 # 47.12 $ 1.360& 0.000& 22
23 0.000& 0.000& 0.000& 278.1 # 82.38 $ 868.3 # 644.8 # 722.5 # 399.4 # 44.27 $ 0.857& 0.000& 23
24 0.000& 0.000& 0.000& 275.1 # 83.84 $1042 # 763.2 # 614.8 # 342.7 # 39.88 $ 0.583& 0.000& 24
25 0.000& 0.000& 0.000& 265.3 # 80.75 $ 997.8 # 625.5 # 536.8 # 303.2 # 36.37 $ 0.380& 0.000& 25
26 0.000& 0.000& 0.000& 260.8 # 79.57 $ 835.9 # 777.1 # 477.3 # 268.4 # 33.75 $ 0.205& 0.000& 26
27 0.000& 0.000& 0.000& 256.5 # 75.33 $ 776.0 #1112 # 432.1 # 244.0 # 31.25 $ 0.138& 0.000& 27
28 0.000& 0.000& 0.000& 252.7 # 72.15 $ 710.5 # 961.3 # 394.2 # 226.6 # 28.35 $ 0.078& 0.000& 28
29 0.000& 836.4 & 312.2 # 72.53 $ 635.9 #1018 # 360.7 # 210.1 $ 26.66 $ 0.038& 0.000& 29
30 0.000& 1972 $ 607.8 # 74.35 $ 584.8 #1352 # 332.3 # 193.4 $ 24.91 $ 0.017& 0.000& 30
31 0.000& 887.4 # 82.24 $ 1357 # 310.0 # 22.79 $ 0.000& 31
Mean 0.135& 0.000& 119.2 & 448.5 # 196.7 $1256 $ 679.4 # 827.8 # 499.6 $ 82.79 $ 6.856& 0.000&
Median 0.000& 0.000& 0.000& 379.0 # 170.4 $ 981.0 $ 588.6 # 869.1 # 391.2 $ 65.66 $ 5.538& 0.000&
Maximum 1.562& 0.000&1972 &1321 # 584.4 $4986 $1357 #1639 #1283 $ 182.8 $ 21.14 & 0.002&
Minimum 0.000& 0.000& 0.000& 252.7 # 72.15 $ 87.44 $ 425.2 # 310.0 # 193.4 $ 22.79 $ 0.017& 0.000&
Total 4.18& 0.00& 3696 &13456 # 6097 $37667 $21060 #25660 #14988 $ 2567 $ 205.7 & 0.00&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 343.6 & # ... Relative Uncertainty +/-15%
Ann. Median 99.78 & $ ... Relative Uncertainty +/-20%
Annual Total 125400 & & ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 4986 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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& 100.7 $1815 $1741 # 214.2 $ 50.09 $ 6.838& 1
2 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 112.3 $1988 $1541 # 241.5 $ 46.81 $ 6.337& 2
3 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 125.0 $1887 $1385 # 455.2 # 44.93 $ 6.017& 3
4 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 113.5 $1980 $1281 # 706.4 # 41.55 $ 5.963& 4
5 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 109.2 $1974 $1687 $ 623.1 # 39.14 $ 5.477& 5
6 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 100.1 $1534 #2166 $ 513.0 # 36.92 $ 4.925& 6
7 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 97.06 $2182 $1942 $ 427.5 # 34.44 $ 4.296& 7
8 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 96.67 $2252 $1675 # 357.6 # 34.00 $ 3.619& 8
9 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 100.0 $2102 $1896 $ 337.5 # 33.02 $ 3.156& 9
10 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 162.7 $3045 $1699 # 302.8 # 32.08 $ 2.397& 10
11 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 176.5 $3600 $1339 # 260.4 # 30.81 $ 1.785& 11
12 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 187.6 $2418 $1102 # 229.5 # 29.60 $ 1.370& 12
13 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 175.2 $1992 $ 935.6 # 206.7 $ 28.93 $ 0.892& 13
14 0.000& 0.000& 0.000& 0.000& 0.000& 0.001& 187.1 $1992 $ 805.0 # 186.5 $ 27.89 $ 0.573& 14
15 0.000& 0.000& 0.000& 0.000& 0.000& 104.6 & 213.0 $2165 $ 691.4 # 170.3 $ 26.31 $ 0.280& 15
16 0.000& 0.000& 0.000& 0.000& 0.000& 97.15 $ 228.1 #1902 $ 596.4 # 162.2 $ 25.22 $ 0.113& 16
17 0.000& 0.000& 0.000& 0.000& 0.000& 91.91 $ 199.5 $1804 $ 522.3 # 175.8 $ 22.61 $ 0.034& 17
18 0.000& 0.000& 0.000& 0.000& 0.000& 93.09 $ 480.3 #2372 $ 463.5 # 154.2 $ 20.29 $ 0.011& 18
19 0.000& 0.000& 0.000& 0.000& 0.000& 86.97 $ 743.3 #2466 $ 410.3 # 140.0 $ 19.01 $ 0.001& 19
20 0.000& 0.000& 0.000& 0.000& 0.000& 78.37 $ 554.4 #2240 $ 367.1 # 128.9 $ 18.47 $ 0.000& 20
21 0.000& 0.000& 0.000& 0.000& 0.000& 72.21 $ 564.8 #2190 $ 333.4 # 134.3 $ 17.87 " 0.000& 21
22 0.000& 0.000& 0.000& 0.000& 0.000& 71.41 $ 544.5 #2373 $ 306.4 # 125.2 $ 16.98 " 0.000& 22
23 0.000& 0.000& 0.000& 0.000& 0.000& 69.48 $ 728.9 #2397 $ 285.5 # 113.8 $ 15.48 " 0.000& 23
24 0.000& 0.000& 0.000& 0.000& 0.000& 65.76 $ 830.8 #2908 $ 265.2 # 102.9 $ 14.07 " 0.000& 24
25 0.000& 0.000& 0.000& 0.000& 0.000& 65.49 $ 828.9 #3390 $ 245.0 # 92.60 $ 12.51 " 0.000& 25
26 0.000& 0.000& 0.000& 0.000& 0.000& 62.29 $1265 #3053 $ 229.9 # 83.66 $ 11.30 " 0.000& 26
27 0.000& 0.000& 0.000& 0.000& 0.000& 64.25 $1843 $2788 $ 254.0 # 74.88 $ 10.74 " 0.000& 27
28 0.000& 0.000& 0.000& 0.000& 0.000& 82.91 $1569 #2950 $ 279.3 # 68.75 $ 9.424" 0.000& 28
29 0.000& 0.000& 0.000& 0.000& 0.000& 119.2 $1408 #2471 $ 264.5 # 64.30 $ 8.263& 0.000& 29
30 0.000& 0.000& 0.000& 0.000& 108.5 $1372 #2187 $ 234.1 # 60.07 $ 7.712& 0.000& 30
31 0.000& 0.000& 0.000& 1330 #1958 $ 54.55 $ 0.000& 31
Mean 0.000& 0.000& 0.000& 0.000& 0.000& 44.45 & 533.8 $2335 $ 898.0 $ 224.8 $ 25.55 & 1.745&
Median 0.000& 0.000& 0.000& 0.000& 0.000& 63.27 & 213.0 $2190 $ 643.9 $ 170.3 $ 25.77 & 0.113&
Maximum 0.000& 0.000& 0.000& 0.000& 0.000& 119.2 &1843 $3600 $2166 $ 706.4 $ 50.09 & 6.838&
Minimum 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 96.67 $1534 $ 229.9 $ 54.55 $ 7.712& 0.000&
Total 0.00& 0.00& 0.00& 0.00& 0.00& 1334 &16546 $72375 $26941 $ 6968 $ 766.5 & 54.08&
Summaries ------------------ Notes -------------------
--------- All recorded data is continuous and reliable
except where the following tags are used...
Annual Mean 341.5 & " ... Relative Uncertainty +/-10%
Ann. Median 0.426& # ... Relative Uncertainty +/-15%
Annual Total 124985 & $ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
Maximum Minimum
Daily 3600 & 0.000&
Department of Water and Environmental Regulation HYDAY V145 Output 21/01/2025
Site 616011 Swan River - Walyunga 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 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 1
2 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 2
3 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 3
4 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 4
5 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 5
6 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 6
7 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 7
8 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 8
9 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 9
10 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 10
11 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 11
12 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 12
13 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 13
14 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 14
15 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 15
16 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 16
17 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 17
18 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 18
19 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 19
20 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 20
21 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 21
22 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 22
23 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 23
24 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 24
25 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 25
26 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 26
27 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 27
28 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 28
29 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 29
30 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 30
31 [ ] [ ] [ ] [ ] [ ] [ ] [ ] 31
Mean 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Median 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Maximum 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Minimum 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Total 0.000& [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]
Missing Days 12 28 31 30 31 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 0.000& & ... Relative Uncertainty +/-30%
Ann. Median 0.000& [ ... Not Available
Annual Total 0.000&
Missing Days 346
Maximum Minimum
Daily 0.000& 0.000&