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Department of Water and Environmental Regulation HYANN V87 Output 13/01/2023 Site 610005 Ludlow River - Happy Valley Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1973 19210 123 2 1974 20550 1 1975 5007 10 1976 1674 21 1977 1586 22 1978 4125 14 1979 609.1 27 1980 4227 12 1981 4504 11 1982 1790 20 1983 13700 3 1984 4112 15 1985 4206 13 1986 1326 24 1987 262.8 30 1988 12680 4 1989 1174 25 1990 3264 17 1991 6604 8 1992 8673 6 1993 3712 16 1994 1391 23 1995 8564 7 1996 11120 5 1997 5512 9 1998 2036 19 1999 0.0 295 50 2000 0.0 366 32 2001 0.0 365 33 2002 0.0 365 34 2003 0.0 365 35 2004 0.0 366 36 2005 0.0 365 37 2006 0.0 365 38 2007 0.0 365 39 2008 0.0 366 40 2009 0.0 365 41 2010 0.0 365 42 2011 0.0 365 43 2012 0.0 366 44 2013 0.0 365 45 2014 0.0 365 46 2015 0.0 365 47 2016 0.0 366 48 2017 1116 221 26 2018 2171 18 2019 0.0 49 2020 524.4 28 2021 398.8 29 2022 78.7 19 31 Total 155900 6868 Minimum 0.0 Maximum 20550 Mean 4725 Median 3264