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Department of Water and Environmental Regulation HYANN V87 Output 25/09/2023
Site 611004 Preston River - Boyanup Bridge
Variable 151.00 Stream Discharge Volume in Megalitres
Year Annual Days Rank
Total Missing
(Megalitres)
-----------------------------------------------
1980 78410 121 21
1981 100100 13
1982 59750 30
1983 196900 1
1984 70930 24
1985 108100 10
1986 38720 36
1987 33030 37
1988 160700 3
1989 52890 33
1990 119800 7
1991 148600 4
1992 131900 6
1993 82040 18
1994 68000 27
1995 84210 17
1996 191800 2
1997 81020 20
1998 66820 29
1999 146200 5
2000 110900 8
2001 14270 43
2002 67780 28
2003 71670 23
2004 68350 26
2005 104100 11
2006 28090 39
2007 77280 22
2008 40610 35
2009 104000 12
2010 7094 44
2011 69060 25
2012 28960 38
2013 109400 9
2014 99100 14
2015 17020 42
2016 84610 15
2017 55390 31
2018 81580 19
2019 24860 40
2020 53790 32
2021 84400 16
2022 46160 34
2023 18120 99 41
Total 3487000 220
Minimum 7094
Maximum 196900
Mean 79240
Median 74470