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Total Monthly Discharge report

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 14/04/2021

Site      615062          Avon River - Northam Weir                                                                     Site  615062
VarFrom   10.00           Stage - SL in Metres
VarTo     151.00          Total Stream Discharge Volume in Megalitres
                          Figures are for period ending 24:00
                                                                                                          Mean   Annual  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly    Total  Days    Yr

1977       0&      0&      0&      0&      0&   1016&   2005&  12789&   1626&   1283&   1863&      0&     1715&   20580&    0  1977
1978       0&    253&     83&      0&   1775&   5718& 121851"  26634"   9959"   3354&     37&      0&    14139&  169664&    0  1978
1979     138&      0&      0&      0&   1488&  13371&  15735"  24570!   4614!    304!      0!      0&     5018!   60220!    0  1979
1980       0&      0&      0&      0&    397&   3533&   8712"   5089"   1391&   2401&    295&      0&     1818&   21819&    0  1980

1981       0&      0&     20&      0&  12059&  85033"  59361"  94185!  12182"   1886&   3284&     69&    22340!  268080!    0  1981
1982    9095!    471&      0&      0&    192&   5186&   8480&  16750"   7262&   2451&   1243&    406&     4295!   51536!    0  1982
1983       0&      0&     34&     24&      0!  52538! 222516" 111962" 100182"   5119&   4734&    465&    41464!  497573!    0  1983
1984     724&      0&      0&    450&  21274&  16858"  20672"  22465"  25518"   2912&    786&      1&     9305&  111662&    0  1984
1985       0&      0&      0&      0&      0&    731&  13085&  21143"   6689"   1045&    153&      8&     3571&   42855&    0  1985

1986     0.0& 4018  !  840.0&    4.4& 2138  !32811  &35923  "55927  "11503  " 2425  &  539.1&    1.4&  12177  !  146133!    0  1986
1987     0.0&    0.0&    0.0&    0.0& 3186  & 5002  &14994  "24271  " 5732  & 1248  &   88.4&   35.6&   4546  &   54560&    0  1987
1988     0.7&    0.0&    0.0&    0.0& 2110  &20566  !42372  "35857  "10824  " 8260  !  286.1& 1702  &  10165  !  121981!    0  1988
1989     0.0&    0.0&    0.0&    0.0& 2943  &14014  "71143  "17774  ! 3136  ! 1592  &  239.7&    0.0&   9237  !  110845!    0  1989
1990 22449  &59326  " 9820  & 4710  & 5523  " 5705  &29443  &22605  " 5634  " 2215  &  286.3&    0.0&  13976  &  167722&    0  1990

1991     0.0&    0.0&    0.0&    0.0&    0.0& 7940  &37315  "45922  "11018  & 1067  &  322.1&   75.4&   8638  &  103662&    0  1991
1992     2.5&    0.0&    0.0& 2632  &  780.5&14436  &39320  "72411  "91554  "21630  & 2070  &  339.8&  20431  &  245178&    0  1992
1993     0.0&   59.6& 1764  &  879.6& 2687  & 7826  &16931  "28199  "17439  " 2938  & 1350  &   39.5&   6676  &   80116&    0  1993
1994     0.0&    0.0&    0.0&    0.0& 2556  &15147  "26904  "20528  " 5611  &  598.2&   16.9&    0.0&   5946  &   71363&    0  1994
1995     0.0&    0.0&    0.0&    0.0& 1801  &14117  &74924  "35804  "13145  "12219  &  719.7&    6.2&  12728  &  152738&    0  1995

1996       0&      0&      0&      0&      0&  23304& 146478" 111543"  23051"   7100&   5415&    157&    26421&  317046&    0  1996
1997       0&      0&   1872&   6647&   2006&   6113&   8052&  21346"  19148"   3153&    244&      0&     5715&   68581&    0  1997
1998       0&      0&      0&      0!      0!  10270!  16170"  24661"  41048"   3694&    142&      0&     7999!   95985!    0  1998
1999     566&      0&      0&      0&   4684&  27466"  66074"  49030"  37739"  19160"   2204&    489&    17284&  207413&    0  1999
2000  106130& 105075"  14194&   1237&   1688&   5786&  38829"  23040"  19037"   1669&    204&      0&    26407&  316888&    0  2000

2001     0.0&    0.0&    0.0&    0.0&    0.0&  674.7& 2630  &21659  " 3989  & 1813  &  137.1&    5.4&   2575  &   30910&    0  2001
2002     0.0&    0.0&    0.0&    0.0&  130.3& 1698  & 6656  & 5066  & 3483  &  695.9&   55.3&    0.0&   1482  &   17786&    0  2002
2003     0.0&    0.0&    0.0& 1255  & 1868  & 4982  &26890  "33083  " 9699  " 1849  &   94.5&    0.0&   6643  &   79724&    0  2003
2004     0.0&    0.0&    0.0&    0.0&    0.0& 3067  & 6288  &12643  " 6363  &  858.9&   69.0&    0.0&   2440  &   29289&    0  2004
2005     0.0&    0.0&    0.0& 2475  &19288  &51614  "21755  "19452  "12677  " 3805  &  232.1&    0.0&  10941  &  131300&    0  2005

2006 18175  & 3348  &   59.5&  121.8&  412.0&  705.0& 2240  & 8808  & 7655  &  954.9&   89.8&    0.0&   3547  &   42571&    0  2006
2007     0.0&    0.0&    0.0&    0.0&    0.0& 1811  &14756  &26606  "10676  " 2089  &   54.8&    0.0&   4666  &   55996&    0  2007
2008     0.0&    0.0&    0.0& 1527  &  984.1& 3055  &29081  "36246  " 5613  & 5055  & 1586  &  303.9&   6954  &   83453&    0  2008
2009  3312  &  763.3&  310.2&    0.0&    0.0& 1774  &37503  "32967  "15350  " 2573  &  439.0&    8.6&   7916  &   95003&    0  2009
2010     0.0&    0.0& 2691  &  485.0&  509.2& 1219  & 4456  & 2278  &  575.1&   35.4&    0.0&    0.0&   1020  &   12251&    0  2010

2011     0.0&    0.0&    0.0&    0.0&    0.0&  449.6&11580  &30454  " 7006  " 4029  & 3518  & 1409  &   4870  &   58447&    0  2011



                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        ! ... Not reviewed / Quality not known
                                        " ... Relative Uncertainty +/-10%
                                        # ... Relative Uncertainty +/-15%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 14/04/2021

Site      615062          Avon River - Northam Weir                                                                     Site  615062
VarFrom   10.00           Stage - SL in Metres
VarTo     151.00          Total Stream Discharge Volume in Megalitres
                          Figures are for period ending 24:00
                                                                                                          Mean   Annual  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly    Total  Days    Yr

2012   593.0&   32.0&    0.0&    0.0&    0.0& 3665  & 1684  & 2675  & 2783  &  438.5&  149.6&   11.6&   1002  &   12033&    0  2012
2013    43.9&    0.0&    0.0&  220.3&  468.6&  675.5& 6672  &14555  "20973  " 3260  &  114.1&    0.0&   3915  &   46984&    0  2013
2014     0.0&    0.0&    0.0&    0.0& 1919  & 3738  &13683  & 7355  " 8868  & 1611  &  134.7&    0.0&   3109  &   37313&    0  2014
2015     0.0&    0.0&    0.0&    0.0&    0.0&  328.7&  946.0&11920  " 1607  &   86.7&    1.8&    0.0&   1240  &   14891&    0  2015

2016     470&   1012&   1012&   3577&   8473&   8179"  15538"  20093"   8331"   2137&     93&     55&     5748&   68970&    0  2016
2017     293& 150322&  25299&   1189&   1246&   1275&   6942&  38395#  11425#   3978&    579&     18&    20080&  240962&    0  2017
2018    2754&    132&    365&      0&    359&   4309&  23555"  50599"   8577&   2298&    121&      0&     7756&   93068&    0  2018
2019       0&      0&      0&      0&      0&   2779&  11916"   9724"   8724&    378&     30&      0&     2796&   33551&    0  2019
2020       0&      0&      0&      0&      0&    208&   3429&   4566&   1708&    233&    145&      0&      857&   10289&    0  2020

2021    0.00&   0.00&5276   & [49.46]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [1331   ][5325   ]  263  2021


Mean  3661  ! 7218  ! 1414  & [610.8] 2385  !11152  !31488  &29855  !14571  ! 3361  !  776.6!  127.5&  [8731  ][104540 ]       Mean
Med.     0.0!    0.0!    0.0&   [0.0]  644.8! 5093  !15952  &22822  ! 8795  ! 2176  !  218.3!    0.0&                          Med.
 Max  106130! 150322!  25299&  [6647]  21274!  85033! 222516& 111962! 100182!  21631!   5415!   1702&   [41464] [497573]        Max
 Min       0!      0!      0&     [0]      0!    208!    946&   2278!    575!     35!      0!      0&     [857]   [5326]        Min
Total 164748! 324814!  63642& [27486] 104951! 490701!1385499&1313658! 641133! 147909!  34169!   5608&  [392914][4704318]  263  Total
  OK    100%    100%    100%     99%    100%    100%    100%    100%    100%    100%    100%    100%       100%     100%         OK
 Cnt      45      45      45      45      44      44      44      44      44      44      44      44        45       45         Cnt

                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        ! ... Not reviewed / Quality not known
                                        " ... Relative Uncertainty +/-10%
                                        # ... Relative Uncertainty +/-15%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available