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Department of Water and Environmental Regulation HYANN V83 Output 20/04/2021 Site 609023 Chapman Brook - Forest Grove Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 1995 14300 131 8 1996 26360 1 1997 12400 11 1998 14320 7 1999 19100 4 2000 19770 3 2001 4684 26 2002 8610 21 2003 12010 13 2004 10510 17 2005 13280 10 2006 5629 24 2007 9699 20 2008 13540 9 2009 18310 5 2010 7021 22 2011 10670 16 2012 10350 18 2013 22000 2 2014 11400 15 2015 5624 25 2016 16140 6 2017 10120 19 2018 12400 12 2019 6565 23 2020 11560 14 2021 0.2 256 27 Total 326400 387 Minimum 0.2 Maximum 26360 Mean 12090 Median 11560