Water Information Reporting
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