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 14/11/2025
Site 802213 Hann River - Phillips Range Site 802213
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
1966 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0] 0 [0] [0] 306 1966
1967 5424$ 211380$ 256806$ 7329# 2322# 797# 222# 0# 0# 0# 0 0 40357$ 484281$ 0 1967
1968 64139 562783& 669907& 26371 39676" 19897" 9576 3636 1111 40! 506 5957 116967! 1403600! 0 1968
1969 185395$ 663815&1126290& 28931 7062 3334 1496 255 0 0 0 0 168048& 2016577& 0 1969
1970 211 770 1460 0 0 0 0 0 0 0 49 4231 560 6721 0 1970
1971 15025 89614" 240045# 48818 3229 535 14 0 0 0 0 255 33128# 397534# 0 1971
1972 1339 16171 69143" 1193 42 0 0 0 0 0 0 348 7353" 88236" 0 1972
1973 172885# 38465 237997& 11728 5653 1596 184 0 0 0 52 23138 40975& 491698& 0 1973
1974 722389& 346915$ 198586$ 501493& 38520 11286 5162 1782 3709 332 854" 6045& 153089& 1837072& 0 1974
1975 11420& 5991 3371 9945! 918 40 0 0 0 12 8582# 21100$ 5115! 61378! 0 1975
1976 147874& 621784! 280668& 19020 4604 1871 733 82 0 0 0 481 89760! 1077116! 0 1976
1977 13271! 25961 59256 5929 551" 28" 0" 0 0 0 0 4922" 9160! 109919! 0 1977
1978 262180! 357906! 161884! 12857! 4866 11748 9931 2708 290 0 0 0 68698! 824371! 0 1978
1979 29093 127797! 265952! 19964 18249 7181 1987 441 0 0 0 0 39222! 470664! 0 1979
1980 42049" 246906$ 70202 13981 2238 426 38 0 0 [0] [ ] [ ] [37584] [375839] 74 1980
1981 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0] 0 1217 2576 [948] [3792] 265 1981
1982 30832 178614" 608438& 74624" 8318" 1472" 90" 2" 0" 0 119 2120 75386& 904628& 0 1982
1983 7905 10470& 200868& 156862& 21150 6777 3244 1054 58 0 0 375 34064& 408765& 0 1983
1984 135979# 72861 455228& 30843 5985 2324 1431 302 0 0 0 2602 58963& 707555& 0 1984
1985 11793 23539 20951 1908 115 0 0 0 0 0 147 2362 5068 60815 0 1985
1986 863635& 273049# 80560 10713 2141 930 4418 1042 7 0 0 0 103041& 1236495& 0 1986
1987 52813" 230928" 28361! 2160! 465 0 0 0 0 0 0 124128& 36571! 438856! 0 1987
1988 50490& 23680& 4644& 7199& 556 9 0 0 0 0 0 3767& 7529& 90346& 0 1988
1989 6475& 10211& 525022& 73205 13152 3675 1113 30 0 0 0 0 52740& 632883& 0 1989
1990 11349 35220 7630 1223 48 0 0 0 0 0 0 7653! 5260! 63123! 0 1990
1991 254940! 356323! 41023 6187 521 27 0 0 0 0 0 0 54918! 659022! 0 1991
1992 7505 17752! 10113& 1752& 7762& 344 0 0 0 0 0 0 3769! 45228! 0 1992
1993 7097 795122& 84946 9608 1295 883 87 0 0 13 1 726 74981& 899777& 0 1993
1994 6686 69746 206150& 2279 35 0 0 0 0 0 0 3887 24065& 288784& 0 1994
1995 200614& 823167& 464397& 97333 18717 5623 2110# 196 0 0 0 2550 134559& 1614705& 0 1995
1996 15620 89789 170153# 34580 5237 1123 109 0 0 0 0 10876 27291# 327487# 0 1996
1997 365815& 603042& 418551& 12036 3554# 92# 0# 0# 0# 0# 359& 129271& 127727& 1532720& 0 1997
1998 181277& 173793& 13675 5281 1308 150 3 0 0 234 6376" 145543" 43970& 527641& 0 1998
1999 313406" 679401& 138496 44211 8177 3154 1176 119 0 0 6004 10875 100418& 1205019& 0 1999
2000 358056# 328190$ 909346& 411877& 61705" 18038 9057 4123 760 1422 22 7487 175840& 2110084& 0 2000
------------------ 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 14/11/2025
Site 802213 Hann River - Phillips Range Site 802213
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
2001 18922 465899# 616269& 43016 11416 4948 3117 778 25 0 188 579 97096& 1165157& 0 2001
2002 7369 928114& 147307" 10312 2306 681 163 0 0 0 0 65 91360& 1096318& 0 2002
2003 2663" 119508# 72806 7463 1118 62" 0 0 0 0 17 9353 17749# 212990# 0 2003
2004 149551# 511231$ 387244$ 50501 8953 5059 1833 278 0 0 1 1872 93044$ 1116524$ 0 2004
2005 29532 19018 31728 793 0 0 0 0 0 0 920 27657 9137 109648 0 2005
2006 423312$ 172161" 754709& 140961" 19455 6788 3677 1001 21 0 116 1260 126955& 1523461& 0 2006
2007 207526& 12804 454031& 66532 12037 8716 5285 1525 74 0 480 71038" 70004& 840047& 0 2007
2008 113034 492102& 386761& 55848 9926 6828 2733 652 66 0 0 33864 91818& 1101813& 0 2008
2009 486983& 839308& 169316" 13929 4169 1871 525 13 0 60 0 0 126348& 1516174& 0 2009
2010 33147 43168 36868 3004 668 325 34 0 157 2075 898 14087 11203 134431 0 2010
2011 842125& 855344&1991758& 461846& 29683 11958 6155 2490 414 551 27093 18272 353974& 4247686& 0 2011
2012 64015 73951 434237& 39469 13001 6428 3655 1280 83 0 992 17836 54579& 654945& 0 2012
2013 41398 71212 86550" 12525 4209 1844 376 1 0 0 4135 32592 21237" 254843" 0 2013
2014 141597" 894792& 138540 31181 8650 3644 1957 206 0 0 0 2306 101906& 1222873& 0 2014
2015 101615 40199 73136" 12222" 3340" 800" 134 0 0 0 893 22674 21251" 255013" 0 2015
2016 57877 68043 44569 8785 11185 2065 494 9 0 0 6000 319763& 43232& 518789& 0 2016
2017 747254& 939051& 122796 24729 7848 3279" 1303" 166 0 0 1150 2382 154163& 1849959& 0 2017
2018 110726# 410085# 130605" 12642 3345 1252 337 9 0 0 0 0 55750# 669001# 0 2018
2019 4423 9270 4173 108 0 0 0 0 0 0 0 200 1514 18174 0 2019
2020 19371 200840& 508666& 21269" 2888" 632" 5" 0" 0" 0" 0 232390& 82172& 986060& 0 2020
2021 324039& 330493& 766715& 63356 11382 4268 1578 104 0 0 0 150 125174& 1502085& 0 2021
2022 308752& 244850" 193393# 23817 5840 3015 1043 137 4 84 31784 100375& 76091& 913096& 0 2022
2023 1796733& 779883& 193356" 30576 8389 6627 49948 5714 1078 8 0& 74& 239365& 2872385& 0 2023
2024 96180" 91600 641965& 35521 7352 4241 1277 118 0 0 9522 19107 75574& 906883& 0 2024
2025 72780 398401& 126591 73511 24451 18291 6309 1899 123 681 [801] [ ] [65803] [723836] 49 2025
Mean 185447! 295215! 285245! 50610! 8617& 3569# 2485# 554# [135] [93] [1852] 25020! [69394] [830249] Mean
Med. 64077! 189727! 169734! 16500! 5051& 1720# 435# 9# [0] [0] [0] 2589! Med.
Max 1796733! 939051!1991758! 501493! 61705& 19897# 49948# 5714# [3709] [2075] [31784] 319763! [353974][4247686] Max
Min 211! 770! 1460! 0! 0& 0# 0# 0# [0] [0] [0] 0! [0] [0] Min
Total1.08E07!1.71E07!1.65E07!2935358! 499784& 206983# 144116# 32153# [7978] [5511][109278]1451171! [4163623]49814924] 694 Total
OK 100% 100% 100% 100% 100% 100% 100% 100% 99% 99% 99% 100% 100% 100% OK
Cnt 58 58 58 58 58 58 58 58 59 59 59 58 60 60 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