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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V87  Output 05/02/2023

    Site     710003          De Grey River - Coolenar Pool
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1974            0.0           310            50
    1975         652000                          28
    1976        1027000                          22
    1977        1575000                          15
    1978        1781000                          12
    1979         481000                          31
    1980            0.0           359            46
    1981            0.0           365            47
    1982            0.0           316            48
    1983        2414000                           8
    1984         771900             5            26
    1985         449300                          33
    1986            0.0                          49
    1987        1328000                          18
    1988        3264000                           3
    1989         298800                          35
    1990           7307                          45
    1991          74580                          39
    1992          13490                          44
    1993         766100                          27
    1994          54970                          41
    1995        1613000                          14
    1996        1172000                          19
    1997        1791000                          11
    1998        1098000                          21
    1999        4016000                           2
    2000        6969000                           1
    2001         411200                          34
    2002        2122000                           9
    2003         481100                          30
    2004        3244000                           4
    2005          21430                          42
    2006        1509000                          17
    2007        1723000                          13
    2008         229600                          36
    2009        1115000                          20
    2010          18570                          43
    2011         576900                          29
    2012        1812000                          10
    2013        2698000                           6
    2014        1510000                          16
    2015          66850                          40
    2016         198000                          38
    2017        2614000                           7
    2018         865300                          24
    2019         887500                          23
    2020        3152000                           5
    2021         837500                          25
    2022         477700                          32
    2023         204400           331            37

    Total      58390000          1686
    Minimum         0.0
    Maximum     6969000
    Mean        1192000
    Median       837500