Copyright © Government of Western Australia
Information supplied by the Department of Water and Environmental Regulation is protected by the Copyright Act 1968. That copyright belongs to the State of Western Australia.
Apart from any fair dealing for the purpose of private study, research, criticism or review, as permitted under the Copyright Act 1968, no part may be
reproduced or reused for any purpose without the written permission of the Department of Water and Environmental Regulation. Please click on the Copyright
link for full details.
Disclaimer / limitation of liability
The information contained herein is provided by the Department of Water and Environmental Regulation in good faith as a public service.
However, the Department does not guarantee the accuracy of this information, and it is the responsibility of recipients to make their own enquiries
as to its accuracy, currency and appropriateness. Telemetered data is provisional only and has not been verified for accuracy. If any aspect of this information is of significance to you, you should
discuss your particular circumstances with the Department. Please click on the Disclaimer
link for full details.
Should you require further information or technical assistance, please contact one of our water information officers.
Department of Water and Environmental Regulation HYMONTH V128 Output 04/02/2023 Site 611004 Preston River - Boyanup Bridge Site 611004 VarFrom 10.00 Stage - SL in Metres VarTo 151.00 Total Stream Discharge Volume in Megalitres Figures are for period ending 24:00 Mean Annual Missing Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr 1980 [ ] [ ] [ ] [ ] 501.5" 3615 "20659 $25338 $15736 " 8642 # 3117 " 800.2" [9801 ] [78409] 121 1980 1981 340.1" 237.4" 848.3# 1104 " 706.3" 6963 "21683 "40237 #17067 " 7305 " 2671 " 986.0" 8346 # 100148# 0 1981 1982 5558 " 872.8" 683.6$ 573.1$ 571.6" 5560 "16322 "12895 " 9178 " 6142 " 1058 " 339.0" 4979 $ 59753$ 0 1982 1983 117.3" 299.6" 196.6" 410.4" 829.6"20096 "39468 "59757 "68369 " 5491 " 1484 " 383.4" 16409 " 196903" 0 1983 1984 208.2# 141.3" 210.8" 396.7" 2540 "12673 "13220 "15893 #18982 # 3089 " 2902 " 676.7" 5911 # 70932# 0 1984 1985 263.5" 317.6" 341.6" 3684 " 1639 " 8264 "24151 "22492 "41601 " 3247 " 1641 " 455.1" 9008 " 108098" 0 1985 1986 178.0" 283.7" 579.4" 428.0" 923.0" 1406 " 7746 "13888 " 7421 " 4251 " 1286 " 329.3" 3227 " 38720" 0 1986 1987 160.3" 107.2" 236.6" 663.6" 1085 " 4297 #10763 # 9254 " 3936 " 1650 " 613.8" 267.7" 2753 # 33034# 0 1987 1988 108.9" 52.4" 112.3" 223.3" 1282 "43098 &32582 "35355 "24736 "18641 " 3803 " 665.5$ 13388 & 160659& 0 1988 1989 239.3# 230.3" 328.0" 460.3" 923.9" 1327 "11943 "14676 "10993 " 9617 " 1884 " 270.7" 4408 # 52893# 0 1989 1990 229.8" 186.6" 259.6" 815.0" 2506 "11966 "58222 &28495 " 9067 " 5242 " 2430 " 409.8" 9986 & 119830& 0 1990 1991 160.3" 112.5" 218.5" 485.5" 1645 "16846 "46350 "48536 &24708 " 6588 " 2514 " 471.9" 12386 & 148637& 0 1991 1992 181.5" 218.8" 333.3" 423.0" 1106 "20567 "35333 "34310 "31258 " 5030 " 2322 " 808.5" 10991 " 131890" 0 1992 1993 133.9" 70.5" 682.0" 905.5" 1024 " 1494 "19312 "25125 "24134 " 7146 " 1717 " 294.0" 6837 " 82038" 0 1993 1994 101.1" 107.7" 142.6" 232.6" 733.6" 5932 "31811 "17002 " 8395 " 2730 " 581.0" 233.6" 5667 " 68001" 0 1994 1995 100.4" 65.4" 91.5" 272.3" 806.5" 3005 "32918 "26436 "15031 " 3661 " 1184 " 642.6" 7018 " 84214" 0 1995 1996 297.1" 124.4" 219.8" 326.3" 542.1" 6287 "55217 &56202 &57652 &11500 " 2451 " 1010 " 15986 & 191829& 0 1996 1997 143.3" 169.8" 372.9" 396.2" 1184 "13355 "20450 "25266 "13749 " 4367 " 1131 " 436.6" 6752 " 81021" 0 1997 1998 163.4" 109.7" 462.6" 407.7" 810.0" 4644 " 7147 "19347 "23134 " 8972 " 1265 " 355.9" 5568 " 66819" 0 1998 1999 174.1" 260.9" 333.7" 250.1" 1784 "19891 "33554 &33687 "28372 "24842 " 2546 " 554.9" 12187 & 146249& 0 1999 2000 433.8" 213.9" 539.3" 472.3" 875.5" 1933 "43435 "33872 "24339 # 3317 " 1041 " 420.3" 9241 # 110892# 0 2000 2001 254.0" 183.4" 293.8" 329.7" 797.5" 914.4" 1102 " 3629 " 3149 " 2185 " 521.3" 911.1" 1189 " 14269" 0 2001 2002 185.4" 114.8" 194.8" 365.4" 1090 " 4240 "21923 "19190 "13883 " 4760 " 1527 " 304.4" 5648 " 67777" 0 2002 2003 146.5" 216.7" 193.8" 395.6" 654.5" 3575 "19241 "21109 "19072 " 5574 " 1169 " 317.8" 5972 " 71667" 0 2003 2004 190.9" 122.8" 197.4" 331.1" 685.4"11972 "16045 "25958 " 8615 " 2899 " 999.1" 336.4" 5696 " 68351" 0 2004 2005 181.8" 161.6" 230.4" 589.1" 3879 "12495 "12203 "28739 "29462 "12530 " 2700 " 968.0" 8678 " 104139" 0 2005 2006 448.2" 306.6" 335.9" 409.7" 539.4" 563.4" 1165 "14895 " 6701 " 1950 " 500.2" 274.2" 2341 " 28088 " 0 2006 2007 246.9" 177.7" 285.9" 372.3" 544.7" 603.0"12104 "28016 "25969 " 7375 " 1169 " 415.5" 6440 " 77279 " 0 2007 2008 240.8" 210.1" 266.8" 484.3" 831.0" 2410 "16145 "12057 " 3477 " 2606 " 1332 " 547.5" 3384 " 40608 " 0 2008 2009 202.2" 211.5" 301.5" 278.9" 434.1" 7017 "35521 "27829 "24845 " 5586 " 1331 " 463.1" 8668 "104019 " 0 2009 2010 251.3" 234.3" 270.3" 426.4" 451.5# 628.3" 1387 " 1565 " 896.0" 440.8" 321.9" 220.8" 591.2# 7094 # 0 2010 2011 218.4" 168.9" 168.9" 266.0" 449.7" 978.8" 6599 "39270 &13239 " 5163 " 1952 " 587.2" 5755 & 69061& 0 2011 2012 288.6" 267.7" 244.3" 316.9" 501.0" 1982 " 2645 " 5960 "10385 " 4041 " 869.3" 1460 " 2413 " 28962" 0 2012 2013 296.9" 174.9" 348.6" 339.6" 750.1" 1004 " 9432 "35024 &50313 & 9704 " 1335 " 637.4" 9113 & 109360& 0 2013 2014 367.5" 221.2" 267.5" 326.6" 3040 " 6374 "27564 "31396 &23049 " 4750 " 1157 " 589.9" 8259 & 99103& 0 2014 ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% $ ... Relative Uncertainty +/-20% & ... Relative Uncertainty +/-30% [ ... Not Available Department of Water and Environmental Regulation HYMONTH V128 Output 04/02/2023 Site 611004 Preston River - Boyanup Bridge Site 611004 VarFrom 10.00 Stage - SL in Metres VarTo 151.00 Total Stream Discharge Volume in Megalitres Figures are for period ending 24:00 Mean Annual Missing Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Monthly Total Days Yr 2015 337.1" 258.2" 368.1" 594.2" 693.3" 809.9" 1283 " 5240 " 5539 " 1109 " 510.9" 279.0" 1419 " 17022" 0 2015 2016 429.3" 318.4" 410.4" 613.6" 1636 " 4601 "19288 "27600 "15435 "12089 " 1660 " 527.1" 7051 " 84608" 0 2016 2017 338.1" 403.4" 417.5" 356.2" 587.8" 659.9" 4181 "37743 & 6057 " 3304 " 880.4" 463.4" 4616 & 55391& 0 2017 2018 353.9" 255.6" 342.8" 471.2" 570.3" 2278 "28167 "34211 "10315 " 3168 " 917.5" 527.3" 6798 " 81578" 0 2018 2019 368.5" 302.3" 431.1" 476.9" 553.1" 1113 " 3311 " 3370 "12592 " 1386 " 682.6" 277.1" 2072 " 24863" 0 2019 2020 216.4" 206.3" 299.7" 325.8" 471.3" 1591 "16614 "11708 "17138 " 3461 " 1306 " 449.7" 4482 " 53786" 0 2020 2021 244.3" 409.4" 510.9" 600.2" 981.3" 3179 "27541 "28156 "11127 " 8772 " 2281 " 598.4" 7033 " 84401" 0 2021 2022 336.4" 268.5" 376.3" 450.3" 651.0" 873.4"10130 "24546 " 5191 " 1928 " 944.2" 466.0" 3847 " 46162" 0 2022 2023 351.2" [27.3] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [189.3] [379] 332 2023 Mean 367.1# [218.7] 332.1$ 525.0$ 1042 # 6583 &20369 &24774 &18472 & 5959 # 1528 " 521.7$ [6648 ][78839 ] Mean Med. 239.3# [211.5] 300.6$ 410.0$ 806.5# 3615 &19241 &25338 &15031 & 4760 # 1306 " 463.1$ Med. Max 5558 # [872.8] 848.3$ 3684 $ 3879 #43098 &58222 &59757 &68369 &24842 # 3803 " 1460 $ [16409 ][196903 ] Max Min 100.4# [27.3] 91.5$ 223.3$ 434.1# 563.4& 1102 & 1565 & 896.0& 440.8# 321.9" 220.8$ [189.3] [378.6] Min Total 15787# [9404] 13950$ 22050$ 44810# 283081& 875880&1065274& 794304& 256252# 65711" 22434$ [292503][3468935] 453 Total OK 100% 98% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% OK Cnt 43 43 42 42 43 43 43 43 43 43 43 43 44 44 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% $ ... Relative Uncertainty +/-20% & ... Relative Uncertainty +/-30% [ ... Not Available