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Department of Water and Environmental Regulation HYANN V88 Output 14/05/2026
Site 701009 Irwin River - Mountain Bridge
Variable 151.00 Stream Discharge Volume in Megalitres
Year Annual Days Rank
Total Missing
(Megalitres)
-----------------------------------------------
1982 117.4 342 45
1983 16340 18
1984 38770 9
1985 5056 42
1986 54010 7
1987 5967 41
1988 80700 3
1989 30630 13
1990 13770 59 22
1991 10710 26
1992 51390 8
1993 17920 17
1994 8838 33
1995 15640 20
1996 89720 2
1997 12830 23
1998 69440 4
1999 174300 1
2000 14580 21
2001 7105 38
2002 7922 36
2003 11600 24
2004 8945 32
2005 10050 29
2006 11460 25
2007 4847 43
2008 61170 5
2009 15880 19
2010 5997 40
2011 26440 15
2012 7984 35
2013 6749 39
2014 9932 30
2015 37340 10
2016 9685 31
2017 33680 11
2018 10210 28
2019 10570 27
2020 8181 34
2021 24100 16
2022 31610 12
2023 7745 37
2024 56540 6
2025 28760 14
2026 2221 233 44
Total 1167000 634
Minimum 117.4
Maximum 174300
Mean 25940
Median 12830