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Total Annual Discharge report

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

    Site     616012          Helena Brook - Trew Rd Gs
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1972          745.7            82            15
    1973           2375             2             4
    1974           4005                           1
    1975           1437                           7
    1976          288.0                          33
    1977          220.1                          40
    1978          859.1                          13
    1979           73.5                          46
    1980          404.1                          23
    1981           2449                           3
    1982          254.3                          37
    1983           1502                           6
    1984          361.5                          27
    1985          332.1                          28
    1986          659.3                          18
    1987          330.5                          29
    1988           1194                           9
    1989          223.4                          39
    1990          592.0                          21
    1991           1565                           5
    1992           1065                          10
    1993          262.6                          35
    1994          274.3                          34
    1995           1274                           8
    1996           2829                           2
    1997          363.4                          26
    1998          404.5                          22
    1999           1003                          12
    2000          609.6                          20
    2001          111.3                          44
    2002          255.8                          36
    2003          686.5                          17
    2004          365.8                          25
    2005          825.0                          14
    2006          211.7                          41
    2007          639.1                          19
    2008          327.8                          30
    2009           1017                          11
    2010            0.1                          49
    2011          288.8                          32
    2012           54.4                          47
    2013          391.2                          24
    2014          166.0                          43
    2015           15.0                          48
    2016          167.4                          42
    2017          301.1                          31
    2018          687.7                          16
    2019          225.9                          38
    2020           74.5                          45
    2021            0.0           258            50

    Total         34770           342
    Minimum         0.0
    Maximum        4005
    Mean          695.4
    Median        364.6