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Department of Water and Environmental Regulation HYANN V88 Output 07/10/2026
Site 610008 Margaret River North - Whicher Range
Variable 151.00 Stream Discharge Volume in Megalitres
Year Annual Days Rank
Total Missing
(Megalitres)
-----------------------------------------------
1977 594.8 125 34
1978 1274 16
1979 523.8 35
1980 1240 18
1981 1196 19
1982 748.9 30
1983 2002 9
1984 1478 14
1985 1564 12
1986 1096 21
1987 244.0 38
1988 2971 4
1989 853.6 25
1990 1248 17
1991 2200 6
1992 1689 11
1993 1388 15
1994 810.2 26
1995 2074 8
1996 3643 2
1997 2981 3
1998 2180 7
1999 4069 32 1
2000 0.0 366 50
2001 0.0 365 45
2002 0.0 365 46
2003 0.0 365 47
2004 0.0 366 48
2005 2428 173 5
2006 634.3 33
2007 1071 22
2008 730.4 31
2009 1482 13
2010 5.5 43
2011 469.1 36
2012 67.6 41
2013 1191 20
2014 753.5 29
2015 100.9 40
2016 1738 10
2017 644.4 32
2018 1045 23
2019 61.6 42
2020 2.7 44
2021 765.6 28
2022 196.2 39
2023 274.3 1 37
2024 861.4 24
2025 789.4 27
2026 0.0 87 49
Total 53380 2245
Minimum 0.0
Maximum 4069
Mean 1186
Median 1045