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Department of Water and Environmental Regulation HYMONTH V128 Output 13/08/2026
Site 612035 Collie River - Central Collie Site 612035
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
1952 [ ] [ ] [ ] [ ] [ ] [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ] [ ] 366 1952
1953 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 1953
1954 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 1954
1955 [ ]N [ ]N [ ]N 10495$ 13971" 27322$ 40837" 130632$ 49610" 26924" 3525" 1067" [33820] [304383] 90 1955
1956 37.2" 0.1" 113.0" 146.0" 4117 "22559 $36559 $27994 " 7177 " 2759 " 1223 " 742.6# 8619 $ 103425$ 0 1956
1957 64.1# 13.5" 47.6" 136.3" 607.4"55307 "22903 "20095 "14751 " 3279 " 823.2" 223.5" 9854 # 118251# 0 1957
1958 61.4" 15.0" 8.9" 32.9" 460.9" 2250 "64513 "35405 $ 9045 " 3875 " 1010 " 475.7" 9763 $ 117154$ 0 1958
1959 273.1" 53.7" 513.1$ 148.9$ 84.1$ 2899 " 1506 "15168 " 1637 " 2872 " 586.4# 92.2" 2153 $ 25834$ 0 1959
1960 332.5" 15.2" 124.6" 95.6" 936.6" 4536 "34806 "19893 # 5684 " 1780 # 256.6# 34.3" 5708 # 68494# 0 1960
1961 12& 713& 474& 231& 93" 16570" 27497" 28020" 21370" 5251" 870" 132$ 8436& 101231& 0 1961
1962 47$ 20" 32" 45" 165" 5160" 8381" 18688" 12426" 7947" 2338" 481" 4644$ 55730$ 0 1962
1963 39$ 7$ 18$ 40$ 312$ 24417$ 70218" 81048$ 45493" 7676$ 1956" 240" 19289$ 231463$ 0 1963
1964 19$ 0$ 0$ 1$ 262$ 29633$ 119100$ 117749& 15573" 12479" 2483" 1270" 24881& 298568& 0 1964
1965 214" 21" 68" 77" 1602" 8712" 24710" 15764" 13801" 15590$ 8091$ 1428# 7507$ 90078$ 0 1965
1966 257.8$ 47.9$ 53.0$ 51.3$ 53.0$ 2588 $17998 "15029 "20816 " 5118 " 1009 $ 109.3$ 5261 $ 63130$ 0 1966
1967 96.0$ 86.7$ 96.0$ 90.9$ 1135 "30658 "60340 "26326 "13348 " 2390 " 339.7" 88.1" 11250 $ 134995$ 0 1967
1968 63.2" 23.7" 36.0" 148.1" 217.4" 9223 "17219 "21722 "24223 " 7244 " 1268 " 295.0$ 6807 $ 81682$ 0 1968
1969 [10.1] [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [10.1] [10] 364 1969
1970 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 1970
1971 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1971
1972 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1972
1973 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1973
1974 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1974
1975 [ ] [ ] [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ] [ ] 365 1975
1976 [ ]N [ ]N [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1976
1977 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1977
1978 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1978
1979 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1979
1980 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1980
1981 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1981
1982 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1982
1983 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1983
1984 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1984
1985 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1985
1986 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1986
------------------ 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%
N ... Not Rated
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 13/08/2026
Site 612035 Collie River - Central Collie Site 612035
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
1987 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1987
1988 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1988
1989 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1989
1990 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1990
1991 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1991
1992 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1992
1993 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1993
1994 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1994
1995 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1995
1996 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 1996
1997 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1997
1998 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 1998
1999 [ ] [ ] [ ] [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ] [ ] 365 1999
2000 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2000
2001 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2001
2002 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2002
2003 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2003
2004 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2004
2005 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2005
2006 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2006
2007 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2007
2008 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2008
2009 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2009
2010 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2010
2011 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2011
2012 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2012
2013 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2013
2014 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2014
2015 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2015
2016 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2016
2017 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2017
2018 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2018
2019 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2019
2020 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2020
2021 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2021
------------------ 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%
N ... Not Rated
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 13/08/2026
Site 612035 Collie River - Central Collie Site 612035
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
2022 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2022
2023 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2023
2024 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 366 2024
2025 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N 365 2025
2026 [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ]N [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2026
Mean [108.9] 78.2& 121.8& 838.5& 1715 $17274 $39042 $40967 &18211 " 7513 $ 1841 $ 477.0$ [10533 ][119629 ] Mean
Med. [62.3] 20.4& 53.0& 93.3& 386.4$12896 $31152 $24024 &14276 " 5184 $ 1116 $ 267.5$ Med.
Max [332] 713& 513& 10495& 13971$ 55307$ 119100$ 130632& 49610" 26924$ 8091$ 1428$ [33820] [304383] Max
Min [10] 0& 0& 1& 53$ 2250$ 1506$ 15029& 1637" 1780$ 257$ 34$ [10] [10] Min
Total [1525] 1016& 1584& 11738& 24016$ 241834$ 546587$ 573533& 254954" 105185$ 25779$ 6679$ [158000][1794429]22369 Total
OK 93% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 99% 99% OK
Cnt 14 13 13 14 14 14 14 14 14 14 14 14 15 15 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%
N ... Not Rated
[ ... Not Available