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Mean, Maximum and Minimum Monthly Discharge report

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 14/11/2025

Site      802213          Hann River - Phillips Range                                                                   Site  802213
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

1966   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [0.000]  0.000    [0.000]  [0.000]  306  1966
1967   2.025$ 87.38 $ 95.88 $  2.828#  0.867#  0.308#  0.083#  0.000#  0.000#  0.000#  0.000   0.000    15.78 $   0.195$    0  1967
1968  23.95  224.6  &250.1  & 10.17   14.81 "  7.676"  3.575   1.358   0.429   0.015!  0.195   2.224    44.93 !   5.626!    0  1968
1969  69.22 $274.4  &420.5  & 11.16    2.637   1.286   0.559   0.095   0.000   0.000   0.000   0.000    64.99 &   0.922&    0  1969
1970   0.079   0.318   0.545   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.019   1.580     0.212    0.000     0  1970

1971   5.610  37.04 " 89.62 # 18.83    1.206   0.206   0.005   0.000   0.000   0.000   0.000   0.095    12.72 #   0.151#    0  1971
1972   0.500   6.454  25.81 "  0.460   0.016   0.000   0.000   0.000   0.000   0.000   0.000   0.130     2.781"   0.008"    0  1972
1973  64.55 # 15.90   88.86 &  4.525   2.111   0.616   0.069   0.000   0.000   0.000   0.020   8.639    15.44 &   1.363&    0  1973
1974 269.7  &143.4  $ 74.14 $193.5  & 14.38    4.354   1.927   0.665   1.431   0.124   0.330"  2.257&   58.85 &   3.305&    0  1974
1975   4.264&  2.476   1.259   3.837!  0.343   0.015   0.000   0.000   0.000   0.004   3.311#  7.878$    1.949!   0.801!    0  1975

1976  55.21 &248.2  !104.8  &  7.338   1.719   0.722   0.274   0.030   0.000   0.000   0.000   0.179    34.87 !   0.498!    0  1976
1977   4.955! 10.73   22.12    2.288   0.206"  0.011"  0.000"  0.000   0.000   0.000   0.000   1.838"    3.513!   0.108!    0  1977
1978  97.89 !147.9  ! 60.44 !  4.960!  1.817   4.532   3.708   1.011   0.112   0.000   0.000   0.000    26.87 !   2.762!    0  1978
1979  10.86   52.83 ! 99.30 !  7.702   6.813   2.771   0.742   0.165   0.000   0.000   0.000   0.000    15.10 !   1.756!    0  1979
1980  15.70 " 98.54 $ 26.21    5.394   0.835   0.164   0.014   0.000   0.000  [0.000]  [   ]   [   ]   [14.69 ]  [0.500]   74  1980

1981   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [0.000]  0.000   0.469   0.962    [0.358]  [0.235]  265  1981
1982  11.51   73.83 "227.2  & 28.79 "  3.106"  0.568"  0.034"  0.001"  0.000"  0.000   0.046   0.792    28.82 &   0.680&    0  1982
1983   2.951   4.328& 75.00 & 60.52 &  7.896   2.615   1.211   0.393   0.022   0.000   0.000   0.140    12.92 &   1.913&    0  1983
1984  50.77 # 29.08  170.0  & 11.90    2.234   0.897   0.534   0.113   0.000   0.000   0.000   0.972    22.20 &   0.934&    0  1984
1985   4.403   9.730   7.822   0.736   0.043   0.000   0.000   0.000   0.000   0.000   0.057   0.882     1.973    0.050     0  1985

1986 322.4  &112.9  # 30.08    4.133   0.799   0.359   1.650   0.389   0.003   0.000   0.000   0.000    39.39 &   0.594&    0  1986
1987  19.72 " 95.46 " 10.59 !  0.833!  0.174   0.000   0.000   0.000   0.000   0.000   0.000  46.34 &   14.43 !   0.087!    0  1987
1988  18.85 &  9.451&  1.734&  2.777&  0.208   0.003   0.000   0.000   0.000   0.000   0.000   1.407&    2.869&   0.106&    0  1988
1989   2.417&  4.221&196.0  & 28.24    4.911   1.418   0.415   0.011   0.000   0.000   0.000   0.000    19.80 &   0.917&    0  1989
1990   4.237  14.56    2.849   0.472   0.018   0.000   0.000   0.000   0.000   0.000   0.000   2.857!    2.083!   0.009!    0  1990

1991  95.18 !147.3  ! 15.32    2.387   0.195   0.010   0.000   0.000   0.000   0.000   0.000   0.000    21.70 !   0.005!    0  1991
1992   2.802   7.085!  3.776&  0.676&  2.898&  0.133   0.000   0.000   0.000   0.000   0.000   0.000     1.447!   0.066!    0  1992
1993   2.650 328.7  & 31.72    3.707   0.483   0.341   0.033   0.000   0.000   0.005   0.000   0.271    30.66 &   0.306&    0  1993
1994   2.496  28.83   76.97 &  0.879   0.013   0.000   0.000   0.000   0.000   0.000   0.000   1.451     9.220&   0.007&    0  1994
1995  74.90 &340.3  &173.4  & 37.55    6.988   2.169   0.788#  0.073   0.000   0.000   0.000   0.952    53.09 &   1.561&    0  1995

1996   5.832  35.84   63.53 # 13.34    1.955   0.433   0.041   0.000   0.000   0.000   0.000   4.060    10.42 #   1.194#    0  1996
1997 136.6  &249.3  &156.3  &  4.644   1.327#  0.035#  0.000#  0.000#  0.000#  0.000#  0.139& 48.26 &   49.71 &   0.733&    0  1997
1998  67.68 & 71.84 &  5.106   2.038   0.488   0.058   0.001   0.000   0.000   0.087   2.460" 54.34 "   17.01 &   1.263&    0  1998
1999 117.0  "280.8  & 51.71   17.06    3.053   1.217   0.439   0.045   0.000   0.000   2.316   4.060    39.81 &   2.685&    0  1999
2000 133.7  #131.0  $339.5  &158.9  & 23.04 "  6.959   3.382   1.539   0.293   0.531   0.008   2.795    66.80 &   5.170&    0  2000

                                                                                                                          694 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 14/11/2025

Site      802213          Hann River - Phillips Range                                                                   Site  802213
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

2001   7.065 192.6  #230.1  & 16.60    4.262   1.909   1.164   0.291   0.010   0.000   0.072   0.216    37.85 &   1.536&    0  2001
2002   2.751 383.6  & 55.00 "  3.978   0.861   0.263   0.061   0.000   0.000   0.000   0.000   0.024    37.22 &   0.162&    0  2002
2003   0.994" 49.40 # 27.18    2.879   0.417   0.024"  0.000   0.000   0.000   0.000   0.006   3.492     7.033#   0.221#    0  2003
2004  55.84 #204.0  $144.6  $ 19.48    3.343   1.952   0.684   0.104   0.000   0.000   0.000   0.699    35.89 $   1.325$    0  2004
2005  11.03    7.861  11.85    0.306   0.000   0.000   0.000   0.000   0.000   0.000   0.355  10.33      3.477    0.153     0  2005

2006 158.0  $ 71.16 "281.8  & 54.38 "  7.264   2.619   1.373   0.374   0.008   0.000   0.045   0.470    48.13 &   1.996&    0  2006
2007  77.48 &  5.293 169.5  & 25.67    4.494   3.362   1.973   0.570   0.029   0.000   0.185  26.52 "   26.26 &   3.928&    0  2007
2008  42.20  196.4  &144.4  & 21.55    3.706   2.634   1.021   0.243   0.025   0.000   0.000  12.64     35.40 &   3.170&    0  2008
2009 181.8  &346.9  & 63.22 "  5.374   1.557   0.722   0.196   0.005   0.000   0.022   0.000   0.000    49.99 &   0.459&    0  2009
2010  12.38   17.84   13.76    1.159   0.250   0.125   0.013   0.000   0.060   0.775   0.347   5.259     4.331    0.561     0  2010

2011 314.4  &353.6  &743.6  &178.2  & 11.08    4.613   2.298   0.930   0.160   0.206  10.45    6.822   135.5  &   8.637&    0  2011
2012  23.90   29.51  162.1  & 15.23    4.854   2.480   1.364   0.478   0.032   0.000   0.383   6.659    20.58 &   3.667&    0  2012
2013  15.46   29.44   32.31 "  4.832   1.571   0.711   0.140   0.001   0.000   0.000   1.595  12.17      8.186"   1.583"    0  2013
2014  52.87 "369.9  & 51.72   12.03    3.230   1.406   0.731   0.077   0.000   0.000   0.000   0.861    41.07 &   1.133&    0  2014
2015  37.94   16.62   27.31 "  4.715"  1.247"  0.309"  0.050   0.000   0.000   0.000   0.345   8.465     8.083"   0.796"    0  2015

2016  21.61   27.16   16.64    3.389   4.176   0.797   0.184   0.003   0.000   0.000   2.315 119.4  &   16.30 &   2.852&    0  2016
2017 279.0  &388.2  & 45.85    9.541   2.930   1.265"  0.486"  0.062   0.000   0.000   0.444   0.889    60.72 &   1.077&    0  2017
2018  41.34 #169.5  # 48.76 "  4.877   1.249   0.483   0.126   0.003   0.000   0.000   0.000   0.000    22.20 #   0.305#    0  2018
2019   1.652   3.832   1.558   0.041   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.075     0.596    0.000     0  2019
2020   7.232  80.16 &189.9  &  8.205"  1.078"  0.244"  0.002"  0.000"  0.000"  0.000"  0.000  86.76 &   31.13 &   0.661&    0  2020

2021 121.0  &136.6  &286.3  & 24.44    4.249   1.647   0.589   0.039   0.000   0.000   0.000   0.056    47.91 &   1.118&    0  2021
2022 115.3  &101.2  " 72.20 #  9.188   2.180   1.163   0.390   0.051   0.001   0.031  12.26   37.48 &   29.29 &   5.684&    0  2022
2023 670.8  &322.4  & 72.19 " 11.80    3.132   2.557  18.65    2.133   0.416   0.003   0.000&  0.028&   92.01 &   2.844&    0  2023
2024  35.91 " 36.56  239.7  & 13.70    2.745   1.636   0.477   0.044   0.000   0.000   3.674   7.134    28.46 &   3.209&    0  2024
2025  27.17  164.7  & 47.26   28.36    9.129   7.057   2.355   0.709   0.048   0.254  [0.772]  [   ]   [26.16 ]  [7.057]   49  2025

                                                                                                                          694 Total

Mean  69.24 !121.2  !106.5  ! 19.53 !  3.217&  1.377#  0.928#  0.207# [0.052] [0.035] [0.722]  9.341!  [26.85 ]                Mean
Med.  23.92 ! 76.99 ! 63.37 !  6.366!  1.886&  0.664#  0.162#  0.003# [0.000] [0.000] [0.000]  0.967!            [0.799]       Med.
 Max 670.8  !388.2  !743.6  !193.5  ! 23.04 &  7.676# 18.65 #  2.133# [1.431] [0.775][12.26 ]119.4  ! [135.5  ]                 Max
 Min   0.079!  0.318!  0.545!  0.000!  0.000&  0.000#  0.000#  0.000# [0.000] [0.000] [0.000]  0.000!   [0.000]                 Min
  OK    100%    100%    100%    100%    100%    100%    100%    100%     99%     99%     99%    100%       100%                  OK
 Cnt      58      58      58      58      58      58      58      58      59      59      59      58        60                  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 14/11/2025

  Site      802213          Hann River - Phillips Range                                                                 Site  802213
  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

  1966   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [0.00]   0.00     [0.00]  306  1966
  1967   33.79$ 506.6 $ 610.6 $   5.84#   1.38#   0.55#   0.16#   0.00#   0.00#   0.00#   0.00    0.00    610.6 $    0  1967
  1968  185.4   950.4 &1150   &  22.46  141.6 "  18.83"   7.57    2.27    1.84    0.20!   8.54   43.17   1150   !    0  1968
  1969  324.6 $1038   &3891   &  26.19    4.36    1.77    0.83    0.26    0.00    0.00    0.00    0.00   3891   &    0  1969
  1970    1.79    2.50    5.46    0.00    0.00    0.00    0.00    0.00    0.00    0.00    2.15   11.13     11.13     0  1970

  1971   40.52  324.1 " 425.1 # 120.8     2.89    0.49    0.02    0.00    0.00    0.00    0.00    1.75    425.1 #    0  1971
  1972    3.57   83.34  368.5 "   1.25    0.09    0.00    0.00    0.00    0.00    0.00    0.00   16.57    368.5 "    0  1972
  1973  465.9 #  86.24  838.1 &   9.45    6.30    0.89    0.27    0.00    0.00    0.00    0.49  158.1     838.1 &    0  1973
  1974  774.4 & 528.9 $ 221.3 $1219   &  32.27    6.53    2.85    1.14   12.08    0.64    6.45"  26.57&  1219   &    0  1974
  1975   28.10&  11.26    3.55   25.30!   0.97    0.07    0.00    0.00    0.00    0.39   19.35# 127.8 $   127.8 !    0  1975

  1976  154.9 &1028   ! 404.7 &  17.72    2.80    1.09    0.53    0.12    0.00    0.00    0.00   20.05   1028   !    0  1976
  1977   60.60!  72.87  107.2    10.25    0.59"   0.04"   0.00"   0.00    0.00    0.00    0.00   31.36"   107.2 !    0  1977
  1978  746.7 ! 363.8 ! 202.2 !  11.28!   4.30   14.45   11.44    1.72    0.39    0.00    0.00    0.00    746.7 !    0  1978
  1979   73.03  215.3 ! 452.0 !  19.47   51.55    7.07    1.43    0.37    0.00    0.00    0.00    0.00    452.0 !    0  1979
  1980  295.5 " 675.4 $ 135.1    17.01    1.74    0.42    0.05    0.00    0.00   [0.00]  [   ]   [   ]   [675.4 ]   74  1980

  1981   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [0.00]   0.00   16.63   10.28    [16.63]  265  1981
  1982   44.66  300.2 "1331   & 210.4 "   6.00"   1.29"   0.11"   0.00"   0.00"   0.00    2.74   10.56   1331   &    0  1982
  1983   32.66    5.88& 724.0 & 214.2 &  16.40    3.71    1.75    0.76    0.10    0.00    0.00    7.03    724.0 &    0  1983
  1984  389.0 # 251.5   806.2 &  34.01    3.79    1.29    0.67    0.29    0.00    0.00    0.00   20.81    806.2 &    0  1984
  1985   69.04   30.24   47.78    2.53    0.22    0.00    0.00    0.00    0.00    0.00    2.24   23.01     69.04     0  1985

  1986 3794   & 417.7 # 162.9    13.64    1.36    3.11    6.26    1.17    0.04    0.00    0.00    0.00   3794   &    0  1986
  1987  334.6 " 279.8 "  42.91!   2.00!   0.62    0.00    0.00    0.00    0.00    0.00    0.00  999.5 &   999.5 !    0  1987
  1988   76.13&  46.11&   9.58&  11.28&   0.45    0.03    0.00    0.00    0.00    0.00    0.00   24.89&    76.13&    0  1988
  1989   22.00&  16.87& 917.1 & 148.0    10.07    2.22    0.77    0.08    0.00    0.00    0.00    0.00    917.1 &    0  1989
  1990   63.31  104.0     8.47    1.79    0.17    0.00    0.00    0.00    0.00    0.00    0.00   34.34!   104.0 !    0  1990

  1991  474.9 ! 571.4 !  58.23   10.05    0.61    0.04    0.00    0.00    0.00    0.00    0.00    0.00    571.4 !    0  1991
  1992   36.07   38.40!  32.23&   7.01&  60.38&   0.61    0.00    0.00    0.00    0.00    0.00    0.00     60.38!    0  1992
  1993   66.10 1477   & 167.7    16.27    0.83    1.74    0.19    0.00    0.00    0.60    0.01   12.67   1477   &    0  1993
  1994   22.00  161.5   753.3 &   2.86    0.07    0.00    0.00    0.00    0.00    0.00    0.00   25.12    753.3 &    0  1994
  1995 1588   &1667   & 937.5 & 133.7    12.92    3.50    1.68#   0.24    0.00    0.00    0.00   13.21   1667   &    0  1995

  1996   31.54  149.1   555.7 #  98.55    4.38    0.94    0.20    0.00    0.00    0.00    0.00   49.10    555.7 #    0  1996
  1997  894.4 &2003   &1303   &  10.35    2.05#   0.25#   0.00#   0.00#   0.00#   0.00#   3.79& 245.6 &  2003   &    0  1997
  1998  186.7 & 157.2 &  17.88    4.49    0.99    0.21    0.01    0.00    0.00    2.39   67.49" 280.7 "   280.7 &    0  1998
  1999  379.1 "1169   & 206.7   164.6     5.20    1.84    0.69    0.17    0.00    0.00   42.29   39.06   1169   &    0  1999
  2000  421.4 # 631.6 $1875   &1054   &  65.95"   9.51    4.69    2.22    0.85    1.86    0.12    9.36   1875   &    0  2000

                                                                                                                   694 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 14/11/2025

  Site      802213          Hann River - Phillips Range                                                                 Site  802213
  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

  2001   27.93  481.5 #1072   &  45.28    9.04    2.56    1.65    0.58    0.06    0.00    2.60    6.45   1072   &    0  2001
  2002   29.82 4963   & 356.3 "   7.87    1.66    0.37    0.14    0.00    0.00    0.00    0.00    2.62   4963   &    0  2002
  2003   39.17" 462.1 # 235.3     8.27    1.05    0.08"   0.00    0.00    0.00    0.00    0.55  105.9     462.1 #    0  2003
  2004  404.5 # 613.0 $ 689.3 $  84.74    5.06    3.61    1.16    0.37    0.00    0.00    0.01    8.82    689.3 $    0  2004
  2005  143.7    24.01   99.71    1.45    0.00    0.00    0.00    0.00    0.00    0.00   10.82   89.66    143.7      0  2005

  2006  727.5 $ 265.9 "1010   & 290.4 "  16.67    3.71    1.92    0.94    0.06    0.00    3.19   13.49   1010   &    0  2006
  2007  841.0 &  19.97 1962   & 120.7     8.11    8.22    3.44    1.22    0.17    0.00    3.01  282.4 "  1962   &    0  2007
  2008  244.1  1096   & 915.3 &  97.88    6.19    5.72    1.62    0.61    0.11    0.00    0.00  233.5    1096   &    0  2008
  2009 1486   &1178   & 313.8 "  11.20    2.37    1.12    0.49    0.03    0.00    2.16    0.00    0.00   1486   &    0  2009
  2010  103.2    68.34  109.7     2.52    0.76    0.56    0.49    0.00    4.53   16.34    6.04   54.45    109.7      0  2010

  2011 1577   &2013   &2620   &1680   &  19.78    6.30    3.41    1.54    0.43    4.78   49.87   32.66   2620   &    0  2011
  2012  156.9   181.7  1160   &  42.82    8.36    3.25    1.90    0.83    0.18    0.00    8.02   29.55   1160   &    0  2012
  2013  233.5   137.6   263.4 "  15.00    3.49    1.32    0.42    0.01    0.00    0.00   37.80  111.5     263.4 "    0  2013
  2014  264.4 "3173   & 221.7    26.36    5.19    2.12    0.95    0.33    0.00    0.00    0.00   12.50   3173   &    0  2014
  2015  133.3    98.74  146.3 "  17.92"   2.42"   0.64"   0.13    0.00    0.00    0.00   18.93   45.80    146.3 "    0  2015

  2016  151.5   137.6    48.53   10.87   26.75    1.62    0.31    0.04    0.00    0.00   54.15 1277   &  1277   &    0  2016
  2017 1117   &1957   & 217.3    19.93    4.58    1.66"   0.87"   0.20    0.00    0.00    4.41    4.86   1957   &    0  2017
  2018  395.2 # 506.8 # 270.2 "  15.31    1.96    0.81    0.29    0.02    0.00    0.00    0.00    0.00    506.8 #    0  2018
  2019   13.64   27.05   29.59    0.34    0.00    0.00    0.00    0.00    0.00    0.00    0.00   14.91     29.59     0  2019
  2020   52.74  806.7 &2647   &  68.57"   2.05"   1.16"   0.02"   0.00"   0.00"   0.00"   0.00  901.2 &  2647   &    0  2020

  2021 1565   & 806.2 & 999.5 &  82.81    7.72    2.35    1.21    0.21    0.00    0.00    0.00    7.13   1565   &    0  2021
  2022  757.4 & 373.8 " 521.0 #  20.33    3.83    2.20    0.58    0.21    0.28    0.62  215.3  1431   &  1431   &    0  2022
  2023 8717   &2319   & 363.1 "  33.59    5.26   16.54  157.8     4.12    1.05    0.03    0.00&   0.50&  8717   &    0  2023
  2024  333.2 " 107.6  1585   &  35.35    4.72    3.75    0.94    0.20    0.00    0.00   43.00   21.87   1585   &    0  2024
  2025  123.8   793.9 & 259.9   119.4    55.17   18.66    3.47    1.39    0.24    1.47  [13.73]  [   ]   [793.9 ]   49  2025

                                                                                                                   694 Total

  Mean 547.5  !654.8  !636.0  !112.1  ! 11.13 &  2.945#  3.885#  0.408# [0.380] [0.534][10.91 ]119.5  ! [1196   ]       Mean
  Med. 171.2  !344.0  !359.7  ! 18.69 !  3.813&  1.291#  0.453#  0.026# [0.000] [0.000] [0.001] 18.31 !                 Med.
   Max 8717   !4963   !3891   !1680   ! 141.6 &  18.83# 157.8 #   4.12# [12.08] [16.34][215.3 ]1431   ! [8717   ]        Max
   Min    1.79!   2.50!   3.55!   0.00!   0.00&   0.00#   0.00#   0.00#  [0.00]  [0.00]  [0.00]   0.00!    [0.00]        Min
    OK    100%    100%    100%    100%    100%    100%    100%    100%     99%     99%     99%    100%       100%         OK
   Cnt      58      58      58      58      58      58      58      58      59      59      59      58        60         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 14/11/2025

  Site      802213          Hann River - Phillips Range                                                                 Site  802213
  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

  1966   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [0.000]  0.000    [0.000]  306  1966
  1967   0.000$  8.746$  5.842$  1.375#  0.547#  0.133#  0.002#  0.000#  0.000#  0.000#  0.000   0.000     0.000$    0  1967
  1968   0.000  34.89 & 22.46 &  5.206   3.492"  3.591"  2.272   0.680   0.121   0.000!  0.000   0.001     0.000!    0  1968
  1969   0.529$ 25.25 & 26.19 &  4.362   1.756   0.828   0.256   0.000   0.000   0.000   0.000   0.000     0.000&    0  1969
  1970   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000     0  1970

  1971   0.009   2.410" 23.27 #  2.895   0.491   0.023   0.000   0.000   0.000   0.000   0.000   0.000     0.000#    0  1971
  1972   0.000   0.003   1.250"  0.089   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000"    0  1972
  1973   0.000#  3.164   3.640&  2.482   0.886   0.269   0.000   0.000   0.000   0.000   0.000   0.000     0.000&    0  1973
  1974  14.60 & 41.09 $ 26.32 $ 24.49 &  6.531   2.855   1.139   0.391   0.207   0.001   0.000"  0.014&    0.000&    0  1974
  1975   0.248&  0.610   0.295   0.273!  0.057   0.000   0.000   0.000   0.000   0.000   0.007#  0.000$    0.000!    0  1975

  1976   1.154& 11.36 ! 17.72 &  2.760   1.072   0.529   0.121   0.000   0.000   0.000   0.000   0.000     0.000!    0  1976
  1977   0.022!  0.244   3.511   0.589   0.043"  0.000"  0.000"  0.000   0.000   0.000   0.000   0.000"    0.000!    0  1977
  1978   0.014! 42.94 ! 11.28 !  1.685!  0.905   2.059   1.540   0.386   0.000   0.000   0.000   0.000     0.000!    0  1978
  1979   0.000   3.254! 19.47 !  3.438   2.667   1.386   0.342   0.000   0.000   0.000   0.000   0.000     0.000!    0  1979
  1980   0.000"  4.470$  7.981   1.738   0.416   0.045   0.000   0.000   0.000  [0.000]  [   ]   [   ]    [0.000]   74  1980

  1981   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]  [0.000]  0.000   0.000   0.016    [0.000]  265  1981
  1982   0.248   5.025" 28.37 &  6.003"  1.287"  0.108"  0.004"  0.000"  0.000"  0.000   0.000   0.001     0.000&    0  1982
  1983   0.102   0.987&  5.118& 16.40 &  3.709   1.721   0.761   0.099   0.000   0.000   0.000   0.000     0.000&    0  1983
  1984   0.002#  4.035  26.10 &  3.792   1.295   0.641   0.286   0.001   0.000   0.000   0.000   0.000     0.000&    0  1984
  1985   0.000   2.475   1.829   0.221   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000     0  1985

  1986   2.179& 35.30 #  5.753   1.355   0.291   0.068   0.491   0.029   0.000   0.000   0.000   0.000     0.000&    0  1986
  1987   0.000" 22.63 "  2.003!  0.269!  0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000&    0.000!    0  1987
  1988   6.850&  1.721&  0.273&  0.421&  0.030   0.000   0.000   0.000   0.000   0.000   0.000   0.000&    0.000&    0  1988
  1989   0.028&  0.188&  3.465&  9.121   2.220   0.773   0.080   0.000   0.000   0.000   0.000   0.000     0.000&    0  1989
  1990   0.000   1.952   0.361   0.002   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000!    0.000!    0  1990

  1991   1.310! 18.82 !  3.001   0.610   0.045   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000!    0  1991
  1992   0.000   1.065!  0.188&  0.003&  0.000&  0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000!    0  1992
  1993   0.000  26.06 &  7.507   0.835   0.130   0.017   0.000   0.000   0.000   0.000   0.000   0.000     0.000&    0  1993
  1994   0.000   0.052   2.857&  0.072   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000&    0  1994
  1995   0.017& 75.06 & 21.92 & 12.92    3.505   1.282   0.240#  0.000   0.000   0.000   0.000   0.000     0.000&    0  1995

  1996   0.264   5.323   5.877#  3.176   0.939   0.195   0.000   0.000   0.000   0.000   0.000   0.000     0.000#    0  1996
  1997   3.267& 53.27 & 10.35 &  1.811   0.254#  0.000#  0.000#  0.000#  0.000#  0.000#  0.000&  0.000&    0.000&    0  1997
  1998   2.356&  7.423&  2.701   0.994   0.213   0.000   0.000   0.000   0.000   0.000   0.000"  0.273"    0.000&    0  1998
  1999  17.81 " 67.02 & 12.25    5.204   1.703   0.641   0.175   0.000   0.000   0.000   0.000   0.149     0.000&    0  1999
  2000  11.95 # 32.27 $ 39.16 & 30.42 &  9.511"  4.690   2.220   0.851   0.060   0.054   0.000   0.000     0.000&    0  2000

                                                                                                                   694 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 14/11/2025

  Site      802213          Hann River - Phillips Range                                                                 Site  802213
  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

  2001   0.873  12.22 # 45.28 &  6.991   2.556   1.385   0.575   0.060   0.000   0.000   0.000   0.000     0.000&    0  2001
  2002   0.011  15.98 &  7.866"  1.599   0.365   0.130   0.002   0.000   0.000   0.000   0.000   0.000     0.000&    0  2002
  2003   0.000"  1.402#  2.158   1.054   0.075   0.000"  0.000   0.000   0.000   0.000   0.000   0.000     0.000#    0  2003
  2004   4.516# 41.20 $ 33.54 $  5.058   2.378   1.116   0.352   0.000   0.000   0.000   0.000   0.000     0.000$    0  2004
  2005   0.309   2.891   1.442   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000     0  2005

  2006  22.75 $ 26.70 " 40.01 & 12.11 "  3.695   1.895   0.912   0.057   0.000   0.000   0.000   0.000     0.000&    0  2006
  2007   0.028&  1.738   1.793&  6.315   2.819   1.784   1.206   0.163   0.000   0.000   0.000   0.000"    0.000&    0  2007
  2008  12.14   49.23 & 24.31 &  6.164   2.261   1.607   0.563   0.056   0.000   0.000   0.000   0.000     0.000&    0  2008
  2009  17.63 & 56.06 & 11.18 "  2.356   1.087   0.464   0.029   0.000   0.000   0.000   0.000   0.000     0.000&    0  2009
  2010   0.000   3.050   2.314   0.248   0.009   0.000   0.000   0.000   0.000   0.000   0.000   0.022     0.000     0  2010

  2011  16.47 & 76.87 &104.3  & 19.74 &  6.297   3.398   1.507   0.401   0.012   0.000   2.324   1.914     0.000&    0  2011
  2012   5.631   6.334  28.91 &  7.742   3.151   1.857   0.791   0.177   0.000   0.000   0.000   0.779     0.000&    0  2012
  2013   1.839   5.877   6.409"  1.548   0.866   0.411   0.006   0.000   0.000   0.000   0.000   0.305     0.000"    0  2013
  2014   0.785" 48.72 & 11.02    5.041   1.981   0.886   0.319   0.000   0.000   0.000   0.000   0.000     0.000&    0  2014
  2015   0.352   3.151   6.792"  2.199"  0.557"  0.121"  0.000   0.000   0.000   0.000   0.000   0.000     0.000"    0  2015

  2016   1.302   9.192   5.189   0.755   0.686   0.282   0.033   0.000   0.000   0.000   0.000   0.068&    0.000&    0  2016
  2017  32.27 & 54.90 & 19.78    4.501   1.633   0.860"  0.199"  0.000   0.000   0.000   0.000   0.018     0.000&    0  2017
  2018   0.416# 48.09 #  6.831"  1.933   0.761   0.260   0.020   0.000   0.000   0.000   0.000   0.000     0.000#    0  2018
  2019   0.000   1.124   0.195   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000   0.000     0.000     0  2019
  2020   0.005   2.497&  8.201&  2.000"  0.551"  0.016"  0.000"  0.000"  0.000"  0.000"  0.000   0.000&    0.000&    0  2020

  2021   8.585& 28.55 & 18.93 &  7.720   2.293   1.185   0.199   0.000   0.000   0.000   0.000   0.000     0.000&    0  2021
  2022   0.003& 25.55 " 15.82 #  3.820   1.257   0.534   0.211   0.000   0.000   0.000   0.000   0.110&    0.000&    0  2022
  2023  73.35 & 19.54 & 13.09 "  5.256   1.942   1.124   4.123   0.939   0.026   0.000   0.000&  0.000&    0.000&    0  2023
  2024   0.000" 10.15   34.04 &  4.689   1.668   0.899   0.191   0.000   0.000   0.000   0.000   2.230     0.000&    0  2024
  2025   1.386  21.34 & 14.18    9.775   3.736   3.438   1.371   0.227   0.000   0.000  [0.025]  [   ]    [0.000]   49  2025

                                                                                                                   694 Total

  Mean   4.545! 19.16 ! 14.00 !  4.545!  1.493&  0.785#  0.389#  0.078# [0.007] [0.001] [0.040]  0.102!   [0.000]       Mean
  Med.   0.248!  8.969!  7.923!  2.419!  0.896&  0.275#  0.025#  0.000# [0.000] [0.000] [0.000]  0.000!                 Med.
   Max  73.35 ! 76.87 !104.3  ! 30.42 !  9.511&  4.690#  4.123#  0.939# [0.207] [0.054] [2.324]  2.230!   [0.000]        Max
   Min   0.000!  0.000!  0.000!  0.000!  0.000&  0.000#  0.000#  0.000# [0.000] [0.000] [0.000]  0.000!   [0.000]        Min
    OK    100%    100%    100%    100%    100%    100%    100%    100%     99%     99%     99%    100%       100%         OK
   Cnt      58      58      58      58      58      58      58      58      59      59      59      58        60         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