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Department of Water and Environmental Regulation HYMONTH V128 Output 18/05/2026
Site 802198 Margaret River - Me No Savvy Site 802198
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
1965 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 0# 1509# 49903$ [17137] [51412] 273 1965
1966 351492& 32131& 772" 113# 0$ 0$ 0$ 0$ 610$ 493$ 1223$ 12540$ 33281& 399375& 0 1966
1967 266752$ 736837! 92635$ 111# 8# 0# 0# 0# 0# 0# 0# 1732# 91506! 1098075! 0 1967
1968 121051$ 228986$ 430267$ 1545# 24631# 458# 19# 6# 0# 0# 10001# 3791$ 68396$ 820755$ 0 1968
1969 105941$ 418033$ 31006" 84# 0# 0# 0# 0# 0# 0# 0# 17424# 47707$ 572489$ 0 1969
1970 75# 20756# 2634# 798# 0# 0# 0# 0# 0# 19# 368# 186701$ 17613$ 211350$ 0 1970
1971 73827$ 62004" 362217$ 5948" 26# 0# 0# 0# 0# 0# 8821# 270081$ 65244$ 782923$ 0 1971
1972 17440" 8164# 196366$ 15# 0# 0# 0# 0# 0# 0# 0# 176# 18513$ 222159$ 0 1972
1973 268619$ 64136$ 1481# 680# 1822# 0# 0# 220# 5# 0# 30782& 81590& 37445& 449336& 0 1973
1974 596906& 74323& 36289" 267269& 20579" 500" 37# 19# 21128# 218# 4619! 4201# 85507! 1026086! 0 1974
1975 4597# 298248$ 43289$ 17558$ 33# 0# 0# 0# 0$ 17745$ 34097# 99653& 42935& 515220& 0 1975
1976 30190& 17554& 34527& 546# 24# 21# 7# 0# 0# 0# 0# 6773$ 7470& 89642& 0 1976
1977 243508$ 318198$ 43686" 1094# 11# 0# 0# 0# 0# 0# 0# 19288# 52149$ 625785$ 0 1977
1978 199466$ 272665$ 33080! 2017# 15693# 47500" 124286$ 572# 16# 0# 0# 0# 57941! 695296! 0 1978
1979 42401$ 84487$ 55456$ 932# 72547$ 1261# 6# 0# 0# 0# 0# 163# 21438$ 257252$ 0 1979
1980 69095$ 929431$ 4085" 341# 0# 0# 0# 0# 0# [0] [ ] [ ] [100295][1002951] 77 1980
1981 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0] 0# 0& 44281& [11070] [44281] 254 1981
1982 193417& 908722& 930738& 20329& 3469" 519" 31# 8# 0# 0# 10977# 82164$ 179198& 2150374& 0 1982
1983 17938# 169432$1472352! 414576& 11174" 3071" 1116" 195# 19# 0# 0# 672# 174212! 2090544! 0 1983
1984 346084$ 3712" 721609$ 11699" 1591" 179" 97" 49# 6# 0# 1421# 18208# 92055$ 1104656$ 0 1984
1985 1525# 179474$ 14741" 34# 0# 0# 0# 0# 0# 0# 653# 7837$ 17022$ 204263$ 0 1985
1986 1179128$ 66592$ 18839" 96# 0# 0# 0# 0# 201# 18# 0# 0# 105406$ 1264874$ 0 1986
1987 51435$ 419917$ 5339" 1323# 1265# 0# 0# 0# 0# 0# 6022# 287196$ 64375$ 772496$ 0 1987
1988 91795& 49942$ 1470# 1792# 0# 0# 0# 0# 0# 0# 19734# 51592$ 18027& 216325& 0 1988
1989 12598# 3217# 166548$ 2680# 10# 0# 0# 0# 0# 0# 0# 0# 15421$ 185052$ 0 1989
1990 210087$ 61516$ 48532$ 1903# 0# 0# 0& 0& 0& 0& 1383& 55373& 31566& 378794& 0 1990
1991 1394598$ 743338$ 33926$ 2972" 114# 5# 0# 0# 0# 0# 0# 728# 181307$ 2175681$ 0 1991
1992 14944# 29183$ 1345# 19# 24# 0# 0# 0# 0# 0# 0# 0# 3793$ 45516$ 0 1992
1993 229436$2796514! 55974! 1793! 341! 2443# 100# 0# 0# 0! 65840! 85502! 269829! 3237944! 0 1993
1994 53598$ 176798$ 36331$ 38# 0# 0# 0# 0# 0# 0# 0# 17186# 23663$ 283951$ 0 1994
1995 113521$ 476299$ 257216$ 1098# 11# 0# 0# 0# 0# 0# 65729$ 33519# 78949$ 947393$ 0 1995
1996 18499$ 13963# 530194$ 63950$ 1962# 821# 0# 0# 0# 0# 0# 4605# 52833$ 633993$ 0 1996
1997 270903$ 214850$ 3233# 7# 1330# 83# 0# 0# 0# 0# 0# 53421$ 45319$ 543828$ 0 1997
1998 55295$ 106173$ 614# 8172# 37# 0# 0# 0# 0# 0# 63673$ 479341& 59442& 713305& 0 1998
1999 677091& 557968& 24679& 759& 0& 0$ 0$ 0$ 0# 5149# 59262$ [7986] [111075][1332895] 17 1999
------------------ 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 18/05/2026
Site 802198 Margaret River - Me No Savvy Site 802198
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
2000 [ ] [ ] 1012973] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0] 29740# [347571][1042713] 309 2000
2001 21682$1049006$ 771126$ 21544" 3969" 963" 671# 62# 0# 4# 3413# 14458# 157241$ 1886897$ 0 2001
2002 44991# 553725$ 58307$ 671# 0# 0# 0# 0# 0# 0# 21574# 27507" 58898$ 706775$ 0 2002
2003 143542$ 250032$ 26577$ 3120# 15# 0# 0# 0# 0# 0# 935# 20343# 37047$ 444563$ 0 2003
2004 170126$ 525258$ 51710$ 1226# 21904# 978# 0# 0# 0# 0# 0# 0# 64267$ 771202$ 0 2004
2005 21541# 93066$ 35066$ 322# 0# 0# 0# 0# 0# 0# 1518# 60535$ 17671$ 212047$ 0 2005
2006 371541$ 113878$ 215909$ 1544# 0# 0# 0# 0# 0# 171# 679# 36239$ 61663$ 739962$ 0 2006
2007 276395$ 262# 206648$ 12968# 27# 0# 0# 0# 0# 0# 6325# 53522$ 46346$ 556147$ 0 2007
2008 111190$ 400214$ 9421" 463# 0# 0# 0# 0# 0# 0# 20988# 79086$ 51780$ 621362$ 0 2008
2009 322355$ 158169$ 27864$ 2# 0# 0# 0# 0# 0# 0# 0# 23940# 44361$ 532329$ 0 2009
2010 178248$ 38317" 49113$ 10996# 8# 0# 1011# 0# 1680# 8228# 125# 17763# 25457$ 305489$ 0 2010
2011 194277$ 340377$1132393$ 88617$ 2293" 207# 0# 0# 0# 0# 14380# 27195# 149978$ 1799739$ 0 2011
2012 28912" 38698# 89221$ 872# 0# 0# 0# 0# 0# 0# 648# 95824$ 21181$ 254174$ 0 2012
2013 30830$ 67023$ 119001$ 217# 5704# 27# 0# 0# 0# 0# 17630# 67350$ 25649$ 307783$ 0 2013
2014 400183$ 282480$ 3685# 2187# 205# 0# 0# 0# 0# 0# 82# 71063$ 63324$ 759885$ 0 2014
2015 216146$ 20770$ 65299$ 32$ 0$ 0$ 0$ 0# 0# 0# 5406# 102230$ 34157$ 409883$ 0 2015
2016 126265$ 29176" 76494$ 500# 2124# 0# 0# 0# 0# 2078# 0# 53415# 24171$ 290052$ 0 2016
2017 648444$ 436648$ 443280$ 5179" 194# 0# 0# 0# 0# 0# 0# 3072# 128068$ 1536816$ 0 2017
2018 267927$ 83771$ 36771$ 228# 0# 0# 0# 0# 0# 0# 0# 5320# 32835$ 394016$ 0 2018
2019 160876$ 21677" 19505" 158# 0# 0# 0# 0# 0# 0# 27# 597# 16903$ 202840$ 0 2019
2020 89891$ 319140$ 524155$ 733# 3676# 619# 0# 0# 0# 0# 0# 494113$ 119361$ 1432326$ 0 2020
2021 144182$ 429489$ 179932$ 2114# 18# 0# 0# 0# 0# 0# 37704# 7061# 66708$ 800500$ 0 2021
2022 505403$ 96410$ 2788" 246# 0# 0# 0# 0# 0# 8078# 490113$ 145290$ 104027$ 1248328$ 0 2022
2023 931183$ 118236$ 5356# 67908$ 231# 6# 3078# 0# 0# 0# 0# 0# 93833$ 1125998$ 0 2023
2024 560939$ 196066$ 202706$ 6621" 163# 0# 0# 0# 972# 105# 1530# 27438# 83045$ 996540$ 0 2024
2025 52824$ 78834$ 11345" 261# 31# 5# 0# 0# 0# 0# 7645# 17365# 14026$ 168310$ 0 2025
2026 41198" 715006$ 338378$ 1922# [1547] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [219610][1098050] 229 2026
Mean 226853& 288124![190108] 18016! [3370] 1029$ 2249& 19& [418] [705] [16947] [57735] [71102] [770823] Mean
Med. 143542& 158169! [46109] 1098! [24] 0$ 0& 0& [0] [0] [666] [22141] Med.
Max 1394598&2796514!1472352] 414576! [72547] 47500$ 124286& 572& [21128] [17745][490113][494113] [347571][3237944] Max
Min 75& 262! [614] 2! [0] 0$ 0& 0& [0] [0] [0] [0] [3793] [44281] Min
Total1.34E07&1.70E07!1.14E07]1062942![198811] 59663$ 130459& 1131& [24636] [42304]1016834]3464090] [4408316]47790996] 1159 Total
OK 100% 100% 99% 100% 99% 100% 100% 100% 99% 99% 100% 99% 100% 100% OK
Cnt 59 59 60 59 59 58 58 58 59 60 60 60 62 62 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