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Department of Water and Environmental Regulation HYANN V88 Output 16/07/2025 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 54 1970 30960 19 1971 26820 27 1972 16040 43 1973 42050 12 1974 48090 6 1975 28540 22 1976 19260 35 1977 17810 39 1978 47620 7 1979 16940 41 1980 19020 37 1981 43330 11 1982 13270 47 1983 39630 13 1984 33670 18 1985 21610 33 1986 13470 46 1987 5822 58 1988 59860 2 1989 18330 38 1990 36100 17 1991 37620 15 1992 36670 16 1993 24450 29 1994 14740 45 1995 25970 28 1996 44750 9 1997 29850 21 1998 24340 30 1999 44970 8 2000 23470 31 2001 4643 62 2002 11140 53 2003 19270 34 2004 8713 56 2005 21770 32 2006 5507 59 2007 11860 51 2008 19200 36 2009 27440 25 2010 1701 65 2011 6624 57 2012 3482 63 2013 17020 40 2014 12690 49 2015 4727 61 2016 27820 24 2017 10020 55 2018 12420 50 2019 4751 60 2020 11270 52 2021 26900 26 2022 13080 48 2023 15790 1 44 2024 16130 42 2025 3100 170 64 Total 1609000 226 Minimum 1701 Maximum 69760 Mean 24750 Median 21610