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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V87  Output 30/01/2023

    Site     616216          Helena River - Poison Lease Gs
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1966           5231           145            19
    1967          19520                           3
    1968          10570                           7
    1969           1427                          41
    1970           7795                           9
    1971           3432                          26
    1972           2754                          28
    1973          12410                           6
    1974          28640                           1
    1975           8574                           8
    1976           1337                          42
    1977           1025                          47
    1978           7270                          14
    1979          599.0                          52
    1980           1588                          38
    1981          18040                           4
    1982           1876                          37
    1983          12730                           5
    1984           2328                          30
    1985           2025                          35
    1986           5590                          18
    1987           1991                          36
    1988           7407                          10
    1989          966.4                          49
    1990           3535                          25
    1991           6981                          15
    1992           6019                          16
    1993           1075                          46
    1994           1325                          43
    1995           7404                          11
    1996          21190                           2
    1997           2062                          34
    1998           2304                          31
    1999           7402                          12
    2000           3828                          24
    2001          751.8                          51
    2002           1009                          48
    2003           4716                          21
    2004           2144                          32
    2005           4715                          22
    2006           1107                          45
    2007           3054                          27
    2008           2498                          29
    2009           5194                          20
    2010            0.0                          58
    2011           1230                          44
    2012           74.7                          55
    2013           1505                          40
    2014          567.0                          53
    2015            0.0                          56
    2016          902.0                          50
    2017           2071                          33
    2018           4411                          23
    2019           1545                          39
    2020          268.7                          54
    2021           7320                          13
    2022           5732                          17
    2023            0.0           337            57

    Total        279100           482
    Minimum         0.0
    Maximum       28640
    Mean           4811
    Median         2413