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Department of Water and Environmental Regulation HYANN V83 Output 20/04/2021 Site 613027 South Coolup Main Drain - Yackaboon Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1990 2650 138 16 1991 7770 2 1992 8318 1 1993 3338 11 1994 5471 5 1995 5085 7 1996 7576 3 1997 4053 9 1998 2733 15 1999 3.5 291 26 2000 0.0 366 32 2001 0.0 365 27 2002 0.0 365 28 2003 0.0 365 29 2004 0.0 366 30 2005 5516 161 4 2006 268.0 24 2007 2952 12 2008 4456 8 2009 2748 14 2010 396.1 23 2011 2128 17 2012 1459 21 2013 3642 10 2014 2115 18 2015 226.9 25 2016 1591 19 2017 2808 13 2018 5114 6 2019 1529 20 2020 888.4 22 2021 0.0 256 31 Total 84840 2673 Minimum 0.0 Maximum 8318 Mean 3142 Median 2748