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Department of Water and Environmental Regulation HYANN V83 Output 18/04/2021 Site 607144 Wilgarup River - Quintarrup Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1961 44060 55 10 1962 28490 23 1963 69760 1 1964 55760 4 1965 49040 5 1966 30220 20 1967 59080 3 1968 39510 14 1969 10440 50 1970 30960 19 1971 26820 26 1972 16040 41 1973 42050 12 1974 48090 6 1975 28540 22 1976 19260 33 1977 17810 38 1978 47620 7 1979 16940 40 1980 19020 35 1981 43330 11 1982 13270 44 1983 39630 13 1984 33580 18 1985 21420 32 1986 13350 43 1987 5689 54 1988 59810 2 1989 18220 37 1990 35960 17 1991 37510 15 1992 36580 16 1993 24320 28 1994 14670 42 1995 25840 27 1996 44690 9 1997 29790 21 1998 24260 29 1999 44920 8 2000 23360 30 2001 4498 58 2002 11030 49 2003 19180 34 2004 8610 52 2005 21690 31 2006 5384 55 2007 11780 47 2008 19010 36 2009 27390 25 2010 1652 60 2011 6520 53 2012 3401 59 2013 16950 39 2014 12610 45 2015 4612 57 2016 27710 24 2017 9923 51 2018 12350 46 2019 4651 56 2020 11160 48 2021 117.5 258 61 Total 1530000 313 Minimum 117.5 Maximum 69760 Mean 25080 Median 21690