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Department of Water and Environmental Regulation HYANN V87 Output 30/11/2023 Site 708001 Marillana Creek - Flat Rocks Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1967 74.6 227 53 1968 4935 32 21 1969 1196 41 1970 51.7 22 54 1971 23650 6 1972 2177 34 1973 49400 90 2 1974 5352 11 19 1975 144500 11 1 1976 11170 12 1977 141.7 50 1978 5301 90 20 1979 3282 28 1980 900.9 36 46 1981 1667 31 40 1982 8605 14 1983 1807 37 1984 27720 4 1985 4800 22 1986 200.8 49 1987 1785 38 1988 20770 7 1989 1141 42 1990 3153 29 1991 42.6 55 1992 1094 43 1993 3696 26 1994 4479 24 1995 20230 9 1996 121.8 52 1997 20260 8 1998 1710 39 1999 24390 5 2000 19790 10 2001 2833 31 2002 6819 17 2003 30400 3 2004 2421 33 2005 322.5 48 2006 13420 11 2007 444.7 47 2008 5405 18 2009 4512 23 2010 12.8 56 2011 4048 25 2012 9744 13 2013 3301 27 2014 7703 15 2015 1810 36 2016 1086 44 2017 2070 35 2018 2868 30 2019 129.5 51 2020 7700 16 2021 2502 32 2022 982.7 45 2023 5.8 33 57 Total 530100 583 Minimum 5.8 Maximum 144500 Mean 9300 Median 3153