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 20/01/2021
Site 616019 Brockman River - Yalliawirra Site 616019
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
1975 [ ] [ ] [ ] [41.0] 237.2# 789.0"14560 #18794 # 4447 " 2163 " 425.5" 57.7" [4612 ][41516 ] 98 1975
1976 12.0" 0.0" 0.0" 81.6" 243.4" 554.6" 1019 " 8292 # 3301 " 672.8" 437.1" 67.5" 1223 # 14682 # 0 1976
1977 4.5" 0.0" 0.0" 0.0" 130.7! 362.8" 648.1" 5620 # 1102 " 436.5" 139.5" 15.0" 704.9! 8459 ! 0 1977
1978 0.0" 0.0" 0.0" 0.0" 119.9" 1541 #19646 # 5666 # 2193 " 1683 " 109.0" 41.0" 2583 # 31001 # 0 1978
1979 0.5" 0.0" 0.0" 62.9! 122.2" 994.5" 3307 " 5407 " 2358 " 651.2" 199.2" 23.3" 1094 ! 13127 ! 0 1979
1980 0.0" 0.0" 0.0" 13.9" 218.8" 748.3" 5875 " 6579 " 3471 " 1272 " 274.6" 49.4" 1542 " 18503 " 0 1980
1981 7.1" 0.0" 0.0" 11.4! 1240 "24244 #20785 #44085 # 7078 " 2459 " [471.4] [ ] [9125 ] [100385] 39 1981
1982 [136.2] 21.6" 14.3" 41.6" 204.2" 3516 " 6405 "11690 # 4803 " 1799 " 250.7" 89.2" [2414 ] [28973] 6 1982
1983 15.8" 21.4" 110.4" 207.9" 139.2" 3215 #21767 #20364 #25258 # 2616 " 1692 " 345.6" 6313 # 75756# 0 1983
1984 132.7" 3.9" 116.5" 388.7# 2672 " 4408 " 6797 "14239 # 7964 # 1126 " 632.8" 141.4" 3218 # 38625# 0 1984
1985 61.4" 126.7" 41.1" 82.8" 138.7" 405.7" 2598 " 5273 " 2349 " 853.0" 198.6" 56.9" 1015 " 12186" 0 1985
1986 7.1" 289.0" 120.3" 58.1" 404.0! 2266 "15132 !16510 ! 7080 ! 2732 " 499.3" 78.4" 3764 ! 45179! 0 1986
1987 23.2" 3.4" 13.6" 115.5" 649.5" 3595 !11172 #19209 # 6896 " 2005 " 373.9" 145.5" 3683 ! 44204! 0 1987
1988 28.5" 0.0" 1.3" 52.3" 369.3" 3988 "15736 #19276 # 8143 " 5105 " 1005 " 176.1" 4490 # 53884# 0 1988
1989 58.0" 16.9" 19.4" 66.2" 410.0" 1121 " 5687 " 7594 " 2809 " 2611 " 437.1" 73.3" 1742 " 20905" 0 1989
1990 1355 # 1547 " 443.1" 508.2" 437.6" 1143 " 7905 "10817 ! 3870 ! 1273 ! 657.9! 432.1! 2532 ! 30391! 0 1990
1991 32.8! 3.1" 9.9" 78.1! 239.0! 6535 #29392 #21731 # 9670 " 3138 " 1315 " 1053 ! 6100 ! 73200! 0 1991
1992 1183 ! 1301 ! 390.4! 115.4" 729.3" 4062 "11441 "26406 !22405 ! 4381 " 1301 " 481.4" 6183 ! 74200! 0 1992
1993 126.5" 36.9" 27.5" 62.8" 3527 " 3386 " 5672 "17785 #12826 # 3961 " 739.0" 209.5" 4030 # 48361# 0 1993
1994 44.1" 36.5" 33.4" 118.8" 928.6" 4950 "14008 " 8574 " 3624 " 1162 " 147.3" 45.7" 2806 " 33674" 0 1994
1995 4.4" 13.2" 31.0" 84.5" 683.0" 9674 "42597 #29731 #10528 " 2922 " 918.2" 118.2" 8108 # 97306# 0 1995
1996 27.2" 7.2" 19.5" 60.9" 122.8" 1786 "17608 #28197 #17793 # 6240 " 1854 " 211.4" 6160 # 73930# 0 1996
1997 23.1" 23.3" 76.9" 218.7" 315.9" 2570 " 3328 "10696 # 8037 " 1643 " 257.3" 63.2" 2271 # 27255# 0 1997
1998 11.2" 1.9" 17.1" 47.6" 174.5" 2349 " 9301 " 9745 "14723 # 3455 " 655.7" 78.8" 3380 # 40562# 0 1998
1999 571.6" 33.3" 101.8" 62.2" 1428 "12121 "19628 #18072 #19995 #19209 # 2239 " 243.1" 7808 # 93707# 0 1999
2000 1668 " 191.8" 74.8" 85.9" 273.6" 2201 "15118 #12395 #11969 # 1772 # 360.6" 86.6" 3849 # 46199# 0 2000
2001 48.5" 35.5" 31.6" 61.6" 271.3" 372.0" 1759 " 8129 " 3833 " 3390 " 342.5" 100.3" 1531 " 18376" 0 2001
2002 51.7" 23.2" 25.4" 117.2" 257.2" 1167 " 5941 " 5632 " 4611 " 1424 " 254.8" 66.2" 1631 " 19573" 0 2002
2003 27.7" 20.6" 40.4" 495.6" 441.5" 3141 "15399 #18803 #10885 # 4638 " 540.6" 136.2" 4547 # 54569# 0 2003
2004 54.8" 37.4" 41.8" 54.1" 201.2" 2885 " 6840 " 7240 " 5776 " 2488 " 518.3" 170.7" 2192 " 26309" 0 2004
2005 38.2" 23.3" 48.7" 79.6" 577.0"12151 "13260 $15559 $11421 $ 4622 " 672.2" 188.6" 4886 $ 58642$ 0 2005
2006 939.5" 115.6" 56.1" 76.7" 146.6" 199.0" 1713 " 4437 " 5155 " 1459 " 149.6" 56.3" 1208 " 14505" 0 2006
2007 35.5" 15.0" 46.8" 65.2" 173.2" 241.8" 2140 " 8489 " 5455 & 1300 & 196.3" 91.5$ 1521 & 18252& 0 2007
2008 20.0$ 36.5$ 81.3" 438.9" 319.5" 989.8# 7905 # 8107 " 2589 " 1867 " 496.5" 117.0" 1914 $ 22970$ 0 2008
2009 20.8" 5.9" 23.7" 49.7" 90.8" 520.6"10461 #15818 #11641 # 2026 # 737.9" 89.2" 3457 # 41486# 0 2009
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 20/01/2021
Site 616019 Brockman River - Yalliawirra Site 616019
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
2010 11.4" 4.0" 23.0" 60.7" 147.0" 191.6" 1692 " 1978 " 1208 " 212.0" 37.4" 13.6" 465.0" 5579 " 0 2010
2011 1.3" 0.0" 0.0" 0.0" 38.4" 194.4" 1151 "10567 " 5154 " 1942 " 744.4" 209.0" 1667 " 20004 " 0 2011
2012 3.4" 0.0" 0.0" 1.5" 74.4" 469.9" 860.0" 2159 " 1617 " 247.1" 99.6" 59.0" 466.0" 5592 " 0 2012
2013 0.0" 0.0" 13.7" 34.6" 139.8" 112.3" 496.6" 6552 "20042 # 4682 " 452.7" 32.2" 2713 # 32559 # 0 2013
2014 0.4" 0.0" 0.0" 0.0" 258.6" 2216 "11179 " 7187 " 4975 " 1675 " 347.4" 52.9" 2324 " 27892 " 0 2014
2015 0.2" 0.0" 0.0" 40.5" 123.1" 124.0" 405.6" 4432 " 2593 " 435.4" 55.7" 17.9" 685.6" 8227 " 0 2015
2016 220.1" 6.5" 345.9# 257.4" 703.9" 3081 "12617 "13807 "10421 " 3955 " 582.5" 60.1" 3838 # 46059 # 0 2016
2017 48.0" 1238 " 201.8" 36.9" 104.0" 218.6" 3589 "26994 # 7799 " 3437 " 555.6" 83.1" 3692 # 44307 # 0 2017
2018 356.6" 319.0" 39.8" 30.5" 165.4" 2035 "11989 "45030 #20105 # 4369 " 994.1" 169.0" 7133 # 85604 # 0 2018
2019 11.6" 0.4& 12.6& 50.4& 71.6" 1093 " 9056 " 5314 " 5054 " 959.8" 331.7" 26.6" 1831 & 21982 & 0 2019
2020 1.6" 0.0" 4.9& 24.0& 69.5" 225.3" 499.7" 3880 " 1808 " 564.6" 255.5" 28.7" 613.6& 7363 & 0 2020
2021 [0.000] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] [0.000] 347 2021
Mean [161.4] 123.6! 60.0! [100.9] 446.4! 2916 ! 9697 !13540 ! 7975 ! 2675 ! [564.3] 136.7! [3172 ][37575 ] Mean
Med. [25.2] 13.2! 25.4! [61.9] 238.1! 1664 ! 7905 !10632 ! 5615 ! 1973 ! [444.9] 83.1! Med.
Max [1668 ] 1547 ! 443.1! [508.2] 3527 !24244 !42597 !45030 !25258 !19209 ![2239 ] 1053 ! [9125 ][100384 ] Max
Min [0.0] 0.0! 0.0! [0.0] 38.4! 112.3! 405.6! 1978 ! 1102 ! 212.0! [37.4] 13.6! [0.0] [0.0] Min
Total [7426] 5560! 2700! [4642] 20535! 134165! 446105! 622881! 366853! 123049! [25960] 6152! [149083][1766027] 490 Total
OK 99% 100% 100% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% 100% OK
Cnt 46 45 45 46 46 46 46 46 46 46 46 45 47 47 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available