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Department of Water and Environmental Regulation HYANN V87 Output 08/02/2023 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 52 1970 30960 19 1971 26820 27 1972 16040 42 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 45 1983 39630 13 1984 33670 18 1985 21610 33 1986 13470 44 1987 5822 56 1988 59860 2 1989 18330 38 1990 36100 17 1991 37620 15 1992 36670 16 1993 24450 29 1994 14740 43 1995 25970 28 1996 44750 9 1997 29850 21 1998 24340 30 1999 44970 8 2000 23470 31 2001 4643 60 2002 11140 51 2003 19270 34 2004 8713 54 2005 21770 32 2006 5507 57 2007 11860 49 2008 19200 36 2009 27440 25 2010 1701 62 2011 6624 55 2012 3482 61 2013 17020 40 2014 12690 47 2015 4727 59 2016 27820 24 2017 10020 53 2018 12420 48 2019 4751 58 2020 11270 50 2021 26900 26 2022 13080 46 2023 33.3 328 63 Total 1574000 383 Minimum 33.3 Maximum 69760 Mean 24980 Median 21770