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Mean, Maximum and Minimum Monthly Discharge report

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 18/04/2021

Site      616011          Swan River - Walyunga                                                                         Site  616011
VarFrom   10.00           Stage - SL in Metres
VarTo     140.00          Mean Stream Discharge in Cubic Metres/Second
                          Figures are for period ending 24:00
                                                                                                          Mean   Median  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly  Monthly  Days    Yr

1970   [   ]   [   ]   [   ]   [   ]  [0.692] 22.64 " 22.26 " 12.66 "  7.331"  5.998"  0.409&  0.019&   [9.004]  [6.664]  134  1970
1971  [0.017]  0.212&  3.878&  4.886"  1.565"  3.358"  3.500"  9.075" 11.42 " 12.28 "  1.493"  0.286&   [4.332]  [3.429]   11  1971
1972   0.014&  0.000&  0.098&  0.005& [0.072]  3.414"  9.686" 30.48 " 10.77 "  1.941"  0.243&  0.004&   [4.729]  [0.171]    4  1972
1973   0.000&  0.000&  0.000&  0.000& [0.139]  [   ] [72.85 ] 54.35 # 45.41 " 11.84 "  1.993"  0.152&  [16.97 ]  [0.152]   61  1973
1974   0.006&  0.000&  0.000& 13.61 & 20.05 " 59.26 "134.8  #199.5  ! 34.44   12.19    3.240   0.323    39.79 !  12.90 !    0  1974
1975   0.028&  0.000&  0.000&  0.460&  1.421   7.184  39.85   46.66   14.23    5.966   1.036   0.152&    9.750&   1.229&    0  1975

1976   0.052&  0.027&  0.073&  0.757&  2.075&  3.972&  4.986& 24.73 & 12.50 $  3.885&  1.178&  0.124&    4.530&   1.627&    0  1976
1977   0.004&  0.000&  0.000&  0.000&  0.486&  2.378   3.503  16.53    3.045   1.418   1.690   0.027&    2.424&   0.952&    0  1977
1978   0.000&  0.000&  0.000&  0.650&  2.020   5.695  74.75 # 17.63    9.110   4.013   0.216   0.064&    9.513&   1.335&    0  1978
1979   0.005&  0.190&  0.178&  0.305&  0.794   5.763   8.788  13.51    4.611   1.216   0.502   0.052&    2.993&   0.648&    0  1979
1980   0.000&  0.000&  0.000&  0.078!  1.172&  5.457" 16.00 " 12.97 "  6.496"  2.993"  0.584&  0.075"    3.819!   0.878!    0  1980

1981   0.016"  0.000"  0.000"  0.031" [0.150][84.27 ] 61.51 "107.4  " 15.15 "  4.641"  2.504"  1.382&  [23.09 ]  [1.943]    9  1981
1982   5.284&  0.589&  0.040" [0.060]  0.948& 12.07 " 14.17 " 25.15 " 11.91 "  4.380"  0.681&  0.473&   [6.315]  [2.664]    3  1982
1983   0.015"  0.000"  0.688&  0.482&  0.211& 28.26 &156.5  " 75.53 " 84.54 "  6.344"  8.463"  0.956&   30.17 &   3.650&    0  1983
1984   1.071&  0.004" [0.124] [1.097] 18.62 " 17.36 " 21.34 " 29.13 " 24.15 "  4.042"  1.685&  0.198&   [9.902]  [2.864]   34  1984
1985   0.027"  0.231&  0.011"  0.099&  0.253!  1.462& 13.28 " 20.06 "  7.999"  1.935"  0.280&  0.031"    3.807!   0.266!    0  1985

1986   0.001"  3.924&  1.063&  0.072"  2.214$ 20.45 $ 39.29 $ 49.42 $ 13.06 $  3.898$  0.852$  0.192&   11.20 &   3.056&    0  1986
1987   0.007&  0.000&  0.000&  0.194&  3.527$  9.027$ 19.80 $ 33.15 $  9.268$  2.892$  0.672$  0.492$    6.586&   1.782&    0  1987
1988   0.107&  0.000&  0.000&  0.000&  1.946& 18.78 $ 38.89 $ 37.20 $ 14.13 $ 10.76 $  1.520$  0.760$   10.34 &   1.733&    0  1988
1989   0.104&  0.012&  0.020&  0.103&  3.123$ 15.61 $ 38.39 $ 16.83 $  6.524#  4.453$  0.623$  0.079&    7.157&   1.873&    0  1989
1990  13.46 & 35.63 $  6.371$  2.975$ 17.17 ! 17.99 & 31.13 $ 25.02 $  7.805#  4.007$  0.957$  0.178&   13.56 !  10.63 !    0  1990

1991   0.017&  0.006!  0.000!  0.117&  0.534$ 16.14 $ 54.05 $ 44.61 $ 17.68 $  4.263$  1.408!  0.869!   11.64 !   1.138!    0  1991
1992   0.276&  1.065&  0.240&  2.236$  1.109$ 12.81 $ 32.84 $ 89.59 ! 80.65 ! 13.75 $  2.599$  0.588$   19.81 !   2.417!    0  1992
1993   0.057&  0.000&  0.210&  0.315$  2.797$  9.188! 14.82 ! 30.81 $ 21.86 $  4.351$  1.088$  0.163&    7.140!   1.943!    0  1993
1994   0.000&  0.000&  0.000&  0.000&  2.372& 13.33 $ 27.41 $ 18.59 $  5.569$  1.208$  0.178&  0.019&    5.724&   0.693&    0  1994
1995   0.000&  0.000&  0.000&  0.048&  2.603& 23.14 $106.8  $ 55.70 $ 22.53 $ 10.30 $  1.582$  0.360$   18.59 &   2.093&    0  1995

1996   0.056&  0.000&  0.000&  0.000&  0.189& 17.36 $ 99.00 $ 90.52 $ 33.02 $ 10.26 $  5.275$  0.779$   21.37 &   3.027&    0  1996
1997   0.038&  0.000&  0.021!  3.453!  1.464$  6.026#  7.918# 24.36 $ 19.34 $  2.756$  0.454$  0.084&    5.493!   2.110!    0  1997
1998   0.000&  0.000&  0.000&  0.017&  0.288&  7.904$ 19.54 $ 15.04 $ 24.44 $  3.933$  0.210&  0.009&    5.949&   0.249&    0  1998
1999   0.088&  0.021&  0.008&  0.166& 10.35 $ 33.08 $ 56.15 $ 45.09 $ 39.58 $ 25.93 $  2.118$  0.328&   17.74 &   6.237&    0  1999
2000  60.40 & 50.61 $  4.050$  1.047$  1.263$  4.632$ 37.01 $ 24.34 $ 22.39 $  2.528$  0.592$  0.083&   17.41 &   4.341&    0  2000

2001   0.000&  0.000&  0.000&  0.000&  0.116&  0.794$  3.006$ 19.35 $  5.061$  3.574$  0.403$  0.054&    2.697&   0.259&    0  2001
2002   0.001&  0.000&  0.000&  0.027&  0.331&  2.172$ 10.78 $  8.083#  6.986$  1.744$  0.400&  0.014&    2.545&   0.365&    0  2002
2003   0.000&  0.421&  0.067&  2.826&  1.991&  5.761$ 32.53 $ 36.16 $ 15.07 $  4.793$  0.689$  0.209&    8.378&   2.409&    0  2003
2004   0.009&  0.000&  0.000&  0.000&  0.162&  5.667$  9.386$ 14.51 $  9.235$  2.307$  0.569$  0.116&    3.497&   0.365&    0  2004

                                                                                                                          515 Total


                                        ------------------ 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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available
Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 18/04/2021

Site      616011          Swan River - Walyunga                                                                         Site  616011
VarFrom   10.00           Stage - SL in Metres
VarTo     140.00          Mean Stream Discharge in Cubic Metres/Second
                          Figures are for period ending 24:00
                                                                                                          Mean   Median  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly  Monthly  Days    Yr

2005   0.001&  0.000&  0.000&  0.439&  8.206$ 39.16 $ 19.15 $ 21.54 $ 16.07 $  5.296$  0.790$  0.154&    9.236&   3.043&    0  2005
2006  13.04 &  2.568$  0.264&  0.117&  0.355$  0.580$  2.157$ 10.14 $  9.743#  1.454$  0.253&  0.014&    3.392&   1.017&    0  2006
2007   0.000&  0.000&  0.000&  0.000&  0.319&  0.936$ 10.38 $ 24.62 $ 13.26 $  2.726$  0.352&  0.184&    4.399&   0.335&    0  2007
2008   0.012&  0.000&  0.000&  2.977&  0.894$  2.300$ 24.59 $ 28.11 $  4.928#  3.139$  1.163$  0.164&    5.690&   1.732&    0  2008
2009   0.369&  1.092&  0.319&  0.015&  0.054&  2.012$ 34.31 $ 30.55 $ 19.30 $  3.477$  1.058$  0.125&    7.725&   1.075&    0  2009
2010   0.000&  0.000&  0.275&  0.370&  0.207&  0.776$  3.500$  2.410$  1.203$  0.201&  0.015&  0.000&    0.746&   0.241&    0  2010

2011   0.000&  0.000&  0.000&  0.000&  0.001&  0.517$  8.229$ 27.27 $  8.066#  3.748$  2.241$  0.668&    4.229&   0.592&    0  2011
2012   0.645&  0.054&  0.000&  0.000&  0.001&  2.789&  1.592$  3.241$  3.258$  0.675$  0.256&  0.783&    1.108&   0.660&    0  2012
2013   0.182&  0.010&  0.044&  0.118&  0.506&  0.678$  3.604$ 15.08 $ 31.03 $  5.308$  0.490$  0.038&    4.758&   0.498&    0  2013
2014   0.000&  0.000&  0.000&  0.000&  1.550&  4.601$ 17.74 $  9.182#  8.648#  2.297$  0.404$  0.080&    3.709&   0.977&    0  2014
2015   0.000&  0.000&  0.000&  0.000&  0.083&  0.388$  1.148$ 12.03 $  2.808$  0.405$  0.128&  0.009&    1.417&   0.106&    0  2015

2016   0.070&  0.548&  1.776&  2.708$  5.395$  7.010# 24.58 $ 24.13 $ 12.73 $  4.132$  0.519$  0.079&    6.975&   3.420&    0  2016
2017   0.001&102.9  & 10.72 $  0.803$  0.908$  1.189&  6.876$ 39.65 $ 11.50 #  3.949$  0.638$  0.156&   14.95 &   2.569&    0  2017
2018   2.825&  0.463&  0.283&  0.062&  0.505$  4.668$ 25.88 $ 59.54 $ 16.78 $  4.614$  0.942$  0.180&    9.729&   1.883&    0  2018
2019   0.007&  0.000&  0.000&  0.000&  0.000&  3.803& 15.31 $  9.002#  9.272$  1.033$  0.378&  0.007&    3.234&   0.193&    0  2019
2020   0.000&  0.000&  0.000&  0.000&  0.000&  0.744&  3.024$  6.726$  3.023$  0.767$  0.562$  0.057&    1.242&   0.309&    0  2020

2021   0.000&  0.000&  8.564& [0.326]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [2.223]  [0.163]  259  2021

                                                                                                                          515 Total

Mean  [1.928]  3.935! [0.772] [0.864] [2.416][11.49 ][30.17 ] 33.27 ! 16.64 !  4.825&  1.149!  0.243!   [8.900]                Mean
Med.  [0.012]  0.000! [0.000] [0.103] [0.894] [5.728][19.54 ] 24.62 ! 11.91 !  3.933&  0.672!  0.152!            [1.097]       Med.
 Max [60.40 ]102.9  ![10.72 ][13.61 ][20.05 ][84.27 ][156.5 ]199.5  ! 84.54 ! 25.93 &  8.463!  1.382!  [39.79 ]                 Max
 Min  [0.000]  0.000! [0.000] [0.000] [0.000] [0.388] [1.148]  2.410!  1.203!  0.201&  0.015!  0.000!   [0.746]                 Min
  OK     99%    100%     99%     98%     98%    100%     98%    100%    100%    100%    100%    100%        99%                  OK
 Cnt      51      51      51      51      51      50      51      51      51      51      51      51        52                  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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available















  Department of Water and Environmental Regulation                                                   HYMONTH V128  Output 18/04/2021

  Site      616011          Swan River - Walyunga                                                                       Site  616011
  VarFrom   10.00           Stage - SL in Metres
  VarTo     140.00          Maximum Stream Discharge in Cubic Metres/Second
                            Figures are for period ending 24:00
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Max  Days    Yr

  1970   [   ]   [   ]   [   ]   [   ]  [3.225] 67.32 " 66.94 " 28.80 " 12.47 " 19.13 "  0.986&  0.078&  [67.32 ]  134  1970
  1971  [0.070]  7.267& 43.41 & 18.86 "  3.250"  6.590" 10.37 " 18.54 " 53.51 " 47.11 "  4.191"  1.507&  [53.51 ]   11  1971
  1972   0.060&  0.000&  0.902&  0.015& [4.013] 10.24 " 15.91 " 66.03 " 25.85 "  4.994"  0.729&  0.025&  [66.03 ]    4  1972
  1973   0.000&  0.000&  0.000&  0.000& [0.425]  [   ] [103.3 ]162.7  #125.9  " 27.58 "  4.916"  0.337& [162.7  ]   61  1973
  1974   0.028&  0.000&  0.000& 62.78 & 74.46 "109.2  "256.7  #454.6  ! 69.77   17.74    7.957   0.841   454.6  !    0  1974
  1975   0.075&  0.000&  0.000&  3.048&  7.821  26.00  266.0   178.2    25.56    9.840   2.043   0.689&  266.0  &    0  1975

  1976   0.258&  1.075&  0.670&  4.454&  7.861& 11.47 & 12.72 &104.5  & 38.18 $ 11.62 &  3.925&  0.363&  104.5  &    0  1976
  1977   0.037&  0.000&  0.000&  0.000&  1.774&  8.011  12.39   42.61    6.170   3.370  11.10    0.106&   42.61 &    0  1977
  1978   0.000&  0.000&  0.000&  6.126&  7.714  23.88  307.9  # 36.79   16.20   13.65    0.503   0.160&  307.9  &    0  1978
  1979   0.033&  1.283&  0.652&  0.925&  3.116  15.56   14.93   47.26    8.711   2.356   1.798   0.160&   47.26 &    0  1979
  1980   0.002&  0.000&  0.000&  0.836!  7.328& 22.98 " 36.72 " 28.15 " 12.15 "  6.506"  1.423&  0.251"   36.72 !    0  1980

  1981   0.102"  0.000"  0.000"  0.067" [4.247][364.1 ]212.8  "245.6  " 26.84 " 16.61 " 21.65 " 11.60 & [364.1  ]    9  1981
  1982  60.13 &  3.761&  0.198" [0.071]  5.984& 42.80 " 31.90 " 51.81 " 21.79 " 14.66 "  1.478&  2.131&  [60.13 ]    3  1982
  1983   0.056"  0.000" 20.17 & 10.18 &  0.377&382.2  &652.6  "177.4  "230.3  " 15.99 " 39.08 " 13.09 &  652.6  &    0  1983
  1984  10.18 &  0.031" [0.655] [4.484] 59.58 " 39.07 " 56.46 " 72.88 "119.9  "  8.187"  6.429&  0.436& [119.9  ]   34  1984
  1985   0.161"  1.193&  0.048"  0.577&  1.174!  3.755& 29.02 " 32.32 " 21.51 "  5.690"  0.696&  0.054"   32.32 !    0  1985

  1986   0.010" 29.46 &  8.896&  0.156"  9.365$137.1  $129.7  $131.0  $ 26.33 $ 12.69 $  1.435$  0.450&  137.1  &    0  1986
  1987   0.040&  0.000&  0.000&  1.135& 20.68 $ 32.01 $139.8  $149.1  $ 24.15 $ 10.66 $  1.573$  1.517$  149.1  &    0  1987
  1988   0.618&  0.000&  0.000&  0.000&  5.002& 31.70 $182.0  $ 98.44 $ 24.11 $ 32.56 $  3.486$  3.569$  182.0  &    0  1988
  1989   0.178&  0.101&  0.109&  0.321& 14.76 $ 48.31 $ 55.44 $ 35.57 $ 13.65 # 14.27 $  1.732$  0.225&   55.44 &    0  1989
  1990 259.4  &192.3  $ 26.89 $  9.162$156.1  ! 71.02 &102.2  $ 55.14 $ 13.39 #  9.730$  2.339$  0.361&  259.4  !    0  1990

  1991   0.104&  0.062!  0.000!  0.533&  2.519$ 64.41 $142.7  $157.6  $ 39.83 $  9.162$  3.569!  4.169!  157.6  !    0  1991
  1992   1.415&  9.933&  0.794& 18.21 $  2.650$ 68.37 $ 78.60 $185.6  !185.6  ! 28.58 $ 10.06 $  1.516$  185.6  !    0  1992
  1993   0.202&  0.000&  2.077&  0.483$ 13.35 $ 37.63 ! 33.97 ! 74.66 $ 70.79 $ 14.90 $  2.919$  0.671&   74.66 !    0  1993
  1994   0.004&  0.000&  0.000&  0.000& 35.43 & 32.60 $ 47.06 $ 74.88 $ 13.13 $  2.496$  0.435&  0.113&   74.88 &    0  1994
  1995   0.000&  0.000&  0.000&  0.118& 10.73 & 79.95 $255.6  $157.8  $ 66.10 $ 48.72 $  3.040$  0.728$  255.6  &    0  1995

  1996   0.269&  0.000&  0.000&  0.000&  1.487& 67.43 $258.7  $266.2  $ 60.11 $ 32.56 $ 20.82 $  1.752$  266.2  &    0  1996
  1997   0.202&  0.000&  0.324! 33.15 !  2.473$ 10.66 # 13.96 # 65.06 $ 61.79 $  8.346$  0.804$  0.311&   65.06 !    0  1997
  1998   0.000&  0.000&  0.000&  0.099&  0.763& 18.37 $ 33.27 $ 55.03 $ 64.74 $ 12.06 $  1.088&  0.172&   64.74 &    0  1998
  1999   1.057&  0.243&  0.372&  0.341&121.6  $ 57.24 $121.2  $101.4  $ 70.19 $ 81.90 $  4.602$  0.680&  121.6  &    0  1999
  2000 284.8  &168.8  $  9.764$  3.695$  1.857$ 13.50 $ 96.18 $ 53.43 $ 55.34 $  5.689$  1.019$  0.306&  284.8  &    0  2000

  2001   0.008&  0.000&  0.000&  0.000&  1.119&  1.143$ 35.67 $ 47.39 $ 24.06 $ 17.72 $  1.164$  0.159&   47.39 &    0  2001
  2002   0.009&  0.000&  0.000&  0.140&  0.733&  4.460$ 26.30 $ 19.30 # 21.09 $  5.024$  1.442&  0.075&   26.30 &    0  2002
  2003   0.000&  5.536&  0.594& 30.70 &  7.641& 56.84 $ 60.79 $ 78.84 $ 29.05 $ 23.38 $  1.352$  0.953&   78.84 &    0  2003
  2004   0.027&  0.000&  0.000&  0.000&  0.458& 19.80 $ 30.02 $ 35.23 $ 28.58 $  9.365$  1.224$  0.537&   35.23 &    0  2004

                                                                                                                   515 Total


                                        ------------------ 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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available
  Department of Water and Environmental Regulation                                                   HYMONTH V128  Output 18/04/2021

  Site      616011          Swan River - Walyunga                                                                       Site  616011
  VarFrom   10.00           Stage - SL in Metres
  VarTo     140.00          Maximum Stream Discharge in Cubic Metres/Second
                            Figures are for period ending 24:00
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Max  Days    Yr

  2005   0.015&  0.000&  0.000&  3.086& 30.17 $ 78.84 $ 33.27 $ 63.12 $ 31.28 $ 11.21 $  1.921$  0.240&   78.84 &    0  2005
  2006  88.83 &  7.943$  0.680&  0.254&  0.656$  1.681$  5.815$ 39.78 $ 21.34 #  2.797$  0.586&  0.068&   88.83 &    0  2006
  2007   0.000&  0.000&  0.000&  0.000&  1.889&  2.484$ 54.06 $ 51.47 $ 33.46 $  5.791$  1.027&  1.309&   54.06 &    0  2007
  2008   0.087&  0.000&  0.000& 22.04 &  2.638$  9.297$ 97.27 $169.9  $ 15.63 # 20.27 $  6.057$  0.435&  169.9  &    0  2008
  2009  15.95 & 12.73 &  4.095&  0.058&  0.263& 20.64 $125.5  $ 67.66 $ 47.72 $  9.095$  3.040$  0.450&  125.5  &    0  2009
  2010   0.001&  0.000&  4.005&  2.230&  1.167&  1.326$ 11.52 $  5.176$  2.890$  0.443&  0.068&  0.000&   11.52 &    0  2010

  2011   0.000&  0.000&  0.000&  0.000&  0.280&  2.910$ 34.55 $ 76.87 $ 17.76 #  7.406$  7.791$  1.721&   76.87 &    0  2011
  2012  19.37 &  0.202&  0.000&  0.000&  0.028& 10.73 &  2.507$  6.759$ 11.04 $  1.998$  1.241&  7.973&   19.37 &    0  2012
  2013   0.877&  0.086&  1.507&  0.311&  0.897&  1.135$ 15.08 $ 42.90 $ 71.90 $ 17.65 $  1.352$  0.144&   71.90 &    0  2013
  2014   0.000&  0.000&  0.000&  0.000&  5.132& 14.44 $ 34.63 $ 20.75 # 19.30 #  6.546$  1.151$  0.483&   34.63 &    0  2014
  2015   0.000&  0.000&  0.000&  0.000&  0.572&  1.309$ 13.58 $ 25.00 $  6.133$  0.870$  0.243&  0.037&   25.00 &    0  2015

  2016   1.317&  2.554& 22.86 &  7.882$ 13.89 $ 14.51 # 60.22 $ 38.80 $ 37.01 $ 10.24 $  1.175$  0.207&   60.22 &    0  2016
  2017   0.014&380.7  & 26.61 $  1.460$  1.721$  2.055& 28.87 $ 94.99 $ 20.92 # 14.20 $  1.867$  0.246&  380.7  &    0  2017
  2018  23.41 &  7.232&  0.968&  0.214&  3.010$  9.630$ 48.03 $150.6  $ 47.06 $  8.863$  1.921$  0.423&  150.6  &    0  2018
  2019   0.041&  0.000&  0.000&  0.000&  0.000& 24.03 & 35.31 $ 19.90 # 30.44 $  1.899$  1.159&  0.052&   35.31 &    0  2019
  2020   0.000&  0.000&  0.000&  0.000&  0.000&  5.674&  5.309$ 20.78 $  7.060$  1.932$  1.442$  0.222&   20.78 &    0  2020

  2021   0.000&  0.000&132.8  & [0.466]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [132.8  ]  259  2021

                                                                                                                   515 Total

  Mean [15.08 ] 16.32 ! [6.081] [4.877][13.01 ][43.73 ][88.94 ] 87.94 ! 41.73 ! 14.23 &  4.021!  1.257! [132.6  ]       Mean
  Med.  [0.056]  0.000! [0.000] [0.321] [3.010][20.22 ][47.06 ] 63.12 ! 26.33 ! 10.24 &  1.573!  0.363!                 Med.
   Max [284.8 ]380.7  ![132.8 ][62.78 ][156.1 ][382.2 ][652.6 ]454.6  !230.3  ! 81.90 & 39.08 ! 13.09 ! [652.6  ]        Max
   Min  [0.000]  0.000! [0.000] [0.000] [0.000] [1.135] [2.507]  5.176!  2.890!  0.443&  0.068!  0.000!  [11.52 ]        Min
    OK     99%    100%     99%     98%     98%    100%     98%    100%    100%    100%    100%    100%        99%         OK
   Cnt      51      51      51      51      51      50      51      51      51      51      51      51        52         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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available















  Department of Water and Environmental Regulation                                                   HYMONTH V128  Output 18/04/2021

  Site      616011          Swan River - Walyunga                                                                       Site  616011
  VarFrom   10.00           Stage - SL in Metres
  VarTo     140.00          Minimum Stream Discharge in Cubic Metres/Second
                            Figures are for period ending 24:00
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Min  Days    Yr

  1970   [   ]   [   ]   [   ]   [   ]  [0.355]  3.225"  7.138"  6.687"  4.003"  0.851"  0.060&  0.000&   [0.000]  134  1970
  1971  [0.000]  0.000&  0.000&  0.445"  0.333"  1.898"  1.936"  3.581"  3.370"  2.764"  0.729"  0.056&   [0.000]   11  1971
  1972   0.000&  0.000&  0.000&  0.000& [0.000]  0.611"  4.450"  7.957"  3.100"  0.715"  0.025&  0.000&   [0.000]    4  1972
  1973   0.000&  0.000&  0.000&  0.000& [0.000]  [   ] [54.69 ] 18.45 # 14.10 "  4.916"  0.324"  0.028&   [0.000]   61  1973
  1974   0.000&  0.000&  0.000&  0.000&  1.762" 34.59 " 55.57 # 68.16 ! 17.74    7.580   0.841   0.075     0.000!    0  1974
  1975   0.000&  0.000&  0.000&  0.000&  0.510   2.780   5.136  16.86    7.896   2.014   0.435   0.027&    0.000&    0  1975

  1976   0.000&  0.000&  0.021&  0.036&  0.357&  1.169&  1.886&  2.662&  4.273$  0.806&  0.363&  0.020&    0.000&    0  1976
  1977   0.000&  0.000&  0.000&  0.000&  0.000&  0.539   1.257   2.371   1.373   0.411   0.106   0.000&    0.000&    0  1977
  1978   0.000&  0.000&  0.000&  0.000&  0.091   1.400   7.660#  8.655   4.516   0.503   0.071   0.019&    0.000&    0  1978
  1979   0.000&  0.000&  0.019&  0.029&  0.174   1.232   4.406   3.014   2.303   0.347   0.157   0.002&    0.000&    0  1979
  1980   0.000&  0.000&  0.000&  0.000!  0.078&  1.081"  4.532"  7.411"  3.149"  1.403"  0.224&  0.020"    0.000!    0  1980

  1981   0.000"  0.000"  0.000"  0.000" [0.020][20.47 ] 16.39 " 25.28 "  6.634"  1.774"  0.837"  0.094&   [0.000]    9  1981
  1982   0.035&  0.035&  0.006" [0.042]  0.071&  1.081"  5.240" 11.99 "  4.803"  1.117"  0.240&  0.056&   [0.006]    3  1982
  1983   0.000"  0.000"  0.000&  0.078&  0.089&  0.268& 25.49 " 31.14 " 15.99 "  1.690"  1.271"  0.361&    0.000&    0  1983
  1984   0.031&  0.000" [0.000] [0.530]  1.710" 11.13 "  9.210" 12.85 "  8.128"  1.321"  0.430&  0.064&   [0.000]   34  1984
  1985   0.000"  0.000&  0.000"  0.000&  0.071!  0.474&  3.755"  7.300"  4.036"  0.641"  0.054&  0.010"    0.000!    0  1985

  1986   0.000"  0.000&  0.097&  0.043"  0.111$  1.249$ 15.56 $ 26.33 $  4.587$  1.435$  0.318$  0.038&    0.000&    0  1986
  1987   0.000&  0.000&  0.000&  0.000&  0.470$  0.911$  6.133$ 10.86 $  4.206$  1.034$  0.321$  0.129$    0.000&    0  1987
  1988   0.000&  0.000&  0.000&  0.000&  0.000&  2.674$  9.263$ 14.55 $  7.582$  2.302$  0.479$  0.144$    0.000&    0  1988
  1989   0.055&  0.000&  0.000&  0.000&  0.170$  5.002$ 12.98 $  8.252$  3.637#  1.732$  0.188$  0.015&    0.000&    0  1989
  1990   0.000& 11.14 $  1.326$  0.694$  0.308!  2.426&  2.077$ 12.30 $  5.243#  1.622$  0.354$  0.041&    0.000!    0  1990

  1991   0.000&  0.000!  0.000!  0.000&  0.135$  1.326$ 14.80 $ 15.29 $  6.813$  1.773$  0.628!  0.148!    0.000!    0  1991
  1992   0.031&  0.025&  0.044&  0.217$  0.600$  0.815$ 14.87 $ 13.79 ! 28.58 !  1.878$  1.042$  0.144$    0.025!    0  1992
  1993   0.000&  0.000&  0.000&  0.163$  0.401$  3.371!  7.641! 12.98 $  6.312$  1.525$  0.499$  0.004&    0.000!    0  1993
  1994   0.000&  0.000&  0.000&  0.000&  0.000&  2.638$  9.331$  5.265$  2.032$  0.435$  0.062&  0.000&    0.000&    0  1994
  1995   0.000&  0.000&  0.000&  0.000&  0.046&  1.773$  6.867$ 26.23 $  5.910$  2.401$  0.651$  0.230$    0.000&    0  1995

  1996   0.000&  0.000&  0.000&  0.000&  0.000&  0.533$ 20.07 $ 30.55 $ 18.91 $  4.077$  1.460$  0.188$    0.000&    0  1996
  1997   0.000&  0.000&  0.000!  0.101!  0.704$  2.473#  2.473#  5.744$  4.132$  0.804$  0.287$  0.000&    0.000!    0  1997
  1998   0.000&  0.000&  0.000&  0.000&  0.076&  0.520$  9.730$  5.536$  9.764$  0.439$  0.000&  0.000&    0.000&    0  1998
  1999   0.000&  0.000&  0.000&  0.000&  0.138$ 14.76 $ 23.63 $ 19.90 $ 23.18 $  4.561$  0.632$  0.060&    0.000&    0  1999
  2000   0.037&  1.088$  0.604$  0.694$  0.946$  0.997$  4.545$ 13.82 $  5.689$  1.007$  0.257$  0.006&    0.006&    0  2000

  2001   0.000&  0.000&  0.000&  0.000&  0.000&  0.572$  0.602$  5.728$  2.147$  1.159$  0.158$  0.007&    0.000&    0  2001
  2002   0.000&  0.000&  0.000&  0.000&  0.052&  0.235$  3.827$  3.915#  2.050$  0.704$  0.075&  0.000&    0.000&    0  2002
  2003   0.000&  0.000&  0.000&  0.093&  0.086&  0.961$ 10.37 $ 11.76 $  7.671$  1.266$  0.293$  0.022&    0.000&    0  2003
  2004   0.000&  0.000&  0.000&  0.000&  0.000&  0.435$  3.705$  5.332$  2.351$  1.119$  0.272$  0.013&    0.000&    0  2004

                                                                                                                   515 Total


                                        ------------------ 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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available
  Department of Water and Environmental Regulation                                                   HYMONTH V128  Output 18/04/2021

  Site      616011          Swan River - Walyunga                                                                       Site  616011
  VarFrom   10.00           Stage - SL in Metres
  VarTo     140.00          Minimum Stream Discharge in Cubic Metres/Second
                            Figures are for period ending 24:00
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Min  Days    Yr

  2005   0.000&  0.000&  0.000&  0.000&  0.114$  3.322$  9.530$  6.599$  6.949$  1.899$  0.183$  0.038&    0.000&    0  2005
  2006   0.026&  0.661$  0.055&  0.048&  0.214$  0.379$  0.990$  2.426$  2.650#  0.508$  0.062&  0.000&    0.000&    0  2006
  2007   0.000&  0.000&  0.000&  0.000&  0.000&  0.386$  1.451$  9.062$  5.791$  0.932$  0.051&  0.016&    0.000&    0  2007
  2008   0.000&  0.000&  0.000&  0.000&  0.427$  1.460$  2.860$  4.521$  2.507#  0.789$  0.372$  0.010&    0.000&    0  2008
  2009   0.000&  0.005&  0.000&  0.000&  0.002&  0.183$  6.759$ 12.06 $  9.095$  1.151$  0.446$  0.001&    0.000&    0  2009
  2010   0.000&  0.000&  0.000&  0.057&  0.031&  0.412$  0.618$  1.283$  0.439$  0.064&  0.000&  0.000&    0.000&    0  2010

  2011   0.000&  0.000&  0.000&  0.000&  0.000&  0.238$  1.899$  8.538$  3.553#  1.488$  0.165$  0.086&    0.000&    0  2011
  2012   0.058&  0.000&  0.000&  0.000&  0.000&  0.024&  0.877$  0.990$  1.497$  0.125$  0.035&  0.063&    0.000&    0  2012
  2013   0.010&  0.000&  0.000&  0.018&  0.084&  0.529$  0.435$  5.067$ 12.06 $  1.343$  0.120$  0.000&    0.000&    0  2013
  2014   0.000&  0.000&  0.000&  0.000&  0.000&  1.019$  3.688$  4.005#  3.242#  0.953$  0.133$  0.000&    0.000&    0  2014
  2015   0.000&  0.000&  0.000&  0.000&  0.000&  0.111$  0.586$  5.838$  0.863$  0.144$  0.030&  0.000&    0.000&    0  2015

  2016   0.000&  0.019&  0.000&  0.685$  1.397$  4.281#  4.706$ 13.50 $  6.261$  1.167$  0.129$  0.013&    0.000&    0  2016
  2017   0.000&  0.000&  1.442$  0.609$  0.581$  0.728&  1.641$ 15.53 $  5.002#  1.867$  0.183$  0.074&    0.000&    0  2017
  2018   0.002&  0.080&  0.060&  0.017&  0.135$  1.292$  4.095$ 18.44 $  4.789$  1.910$  0.318$  0.040&    0.002&    0  2018
  2019   0.000&  0.000&  0.000&  0.000&  0.000&  0.000&  6.108$  4.747#  1.899$  0.446$  0.050&  0.000&    0.000&    0  2019
  2020   0.000&  0.000&  0.000&  0.000&  0.000&  0.000&  1.661$  1.564$  1.535$  0.181$  0.181$  0.000&    0.000&    0  2020

  2021   0.000&  0.000&  0.000& [0.246]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [0.000]  259  2021

                                                                                                                   515 Total

  Mean  [0.006]  0.256! [0.072] [0.095] [0.252] [2.800] [8.533] 11.70 !  6.360!  1.472&  0.325!  0.046!   [0.001]       Mean
  Med.  [0.000]  0.000! [0.000] [0.000] [0.086] [1.050] [4.706]  8.538!  4.587!  1.159&  0.240!  0.019!                 Med.
   Max  [0.058] 11.14 ! [1.442] [0.694] [1.762][34.59 ][55.57 ] 68.16 ! 28.58 !  7.580&  1.460!  0.361!   [0.025]        Max
   Min  [0.000]  0.000! [0.000] [0.000] [0.000] [0.000] [0.435]  0.990!  0.439!  0.064&  0.000!  0.000!   [0.000]        Min
    OK     99%    100%     99%     98%     98%    100%     98%    100%    100%    100%    100%    100%        99%         OK
   Cnt      51      51      51      51      51      50      51      51      51      51      51      51        52         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 +/-20%
                                        & ... Relative Uncertainty +/-30%
                                        [ ... Not Available