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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V87  Output 12/03/2024

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

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1972          751.4            82            15
    1973           2387             2             4
    1974           4015                           1
    1975           1441                           7
    1976          293.6                          34
    1977          222.9                          42
    1978          868.0                          13
    1979           75.7                          47
    1980          407.4                          25
    1981           2462                           3
    1982          257.4                          39
    1983           1508                           6
    1984          365.9                          28
    1985          333.6                          30
    1986          660.1                          18
    1987          333.5                          31
    1988           1194                           9
    1989          226.2                          40
    1990          595.1                          22
    1991           1571                           5
    1992           1069                          10
    1993          265.6                          37
    1994          277.8                          36
    1995           1272                           8
    1996           2837                           2
    1997          365.4                          29
    1998          407.4                          24
    1999           1002                          12
    2000          611.1                          21
    2001          113.7                          46
    2002          259.1                          38
    2003          689.3                          17
    2004          368.1                          27
    2005          828.1                          14
    2006          212.9                          43
    2007          640.6                          19
    2008          330.4                          32
    2009           1021                          11
    2010            0.1                          52
    2011          291.1                          35
    2012           55.2                          49
    2013          392.9                          26
    2014          168.3                          45
    2015           15.5                          51
    2016          170.1                          44
    2017          303.5                          33
    2018          690.2                          16
    2019          224.4                          41
    2020           72.8                          48
    2021          629.9                          20
    2022          571.9                          23
    2023           54.9                          50
    2024            0.0           302            53

    Total         36180           386
    Minimum         0.0
    Maximum        4015
    Mean          682.7
    Median        368.1