Water Information Reporting

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Total Annual Discharge report

    Department of Water and Environmental Regulation HYANN V87  Output 29/01/2023

    Site     611004          Preston River - Boyanup Bridge
    Variable 151.00          Stream Discharge Volume in Megalitres

    Year   Annual              Days            Rank
           Total               Missing
           (Megalitres)
    -----------------------------------------------
    1980          78410           121            21
    1981         100100                          13
    1982          59750                          30
    1983         196900                           1
    1984          70930                          24
    1985         108100                          10
    1986          38720                          36
    1987          33030                          37
    1988         160700                           3
    1989          52890                          33
    1990         119800                           7
    1991         148600                           4
    1992         131900                           6
    1993          82040                          18
    1994          68000                          27
    1995          84210                          17
    1996         191800                           2
    1997          81020                          20
    1998          66820                          29
    1999         146200                           5
    2000         110900                           8
    2001          14270                          42
    2002          67780                          28
    2003          71670                          23
    2004          68350                          26
    2005         104100                          11
    2006          28090                          39
    2007          77280                          22
    2008          40610                          35
    2009         104000                          12
    2010           7094                          43
    2011          69060                          25
    2012          28960                          38
    2013         109400                           9
    2014          99100                          14
    2015          17020                          41
    2016          84610                          15
    2017          55390                          31
    2018          81580                          19
    2019          24860                          40
    2020          53790                          32
    2021          84400                          16
    2022          46160                          34
    2023          304.4           338            44

    Total       3469000           459
    Minimum       304.4
    Maximum      196900
    Mean          78840
    Median        74470