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Department of Water and Environmental Regulation HYANN V87 Output 29/01/2023 Site 609041 Blackwood River - Gingilup Variable 151.00 Stream Discharge Volume in Megalitres Year Annual Days Rank Total Missing (Megalitres) ----------------------------------------------- 2006 142000 13 13 2007 330300 10 2008 394000 4 2009 594500 3 2010 61960 17 2011 379200 8 2012 117400 15 2013 387000 6 2014 352500 9 2015 109300 16 2016 605900 2 2017 381000 7 2018 387500 5 2019 131100 14 2020 157200 12 2021 722700 1 2022 262800 11 2023 958.6 338 18 Total 5517000 351 Minimum 958.6 Maximum 722700 Mean 306500 Median 341400