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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V83  Output 19/04/2021

    Site     616011          Swan River - Walyunga
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1970         189500           134            27
    1971         137300            11            36
    1972         150700             4            32
    1973         326100            61            14
    1974        1270000                           1
    1975         311400                          16
    1976         144000                          34
    1977          77300                          47
    1978         304400                          18
    1979          95180                          44
    1980         121700                          38
    1981         711400             9             3
    1982         200700             3            26
    1983         959300                           2
    1984         313200            34            15
    1985         121500                          39
    1986         356100                          12
    1987         210000                          25
    1988         329500                          13
    1989         228100                          22
    1990         424000                          10
    1991         371100                          11
    1992         628200                           5
    1993         226700                          23
    1994         182300                          29
    1995         593400                           6
    1996         682200                           4
    1997         174000                          31
    1998         188400                          28
    1999         563800                           7
    2000         548500                           8
    2001          86130                          45
    2002          80980                          46
    2003         267100                          20
    2004         111000                          41
    2005         292000                          19
    2006         107400                          42
    2007         140100                          35
    2008         181900                          30
    2009         246100                          21
    2010          23790                          51
    2011         135000                          37
    2012          35050                          50
    2013         150100                          33
    2014         118000                          40
    2015          45270                          48
    2016         222100                          24
    2017         452600                           9
    2018         310600                          17
    2019         102800                          43
    2020          39540                          49
    2021          23420           258            52

    Total      14310000           514
    Minimum       23420
    Maximum     1270000
    Mean         275200
    Median       195100