River Monitoring Stations in Western Australia

Mean Monthly Discharge report

Department of Water                                                                                   HYMONTH V93  Output 22/11/2009

Site      611004          PRESTON RIVER - BOYANUP BRIDGE                                                                Site  611004
VarFrom   10.00           STAGE - SL in Metres, DoW Primary Archive
VarTo     140.00          Mean  Stream Discharge in Cubic Metres/Second, DoW Primary Archive
                          Figures are for period ending 2400 hours.
                                                                                                          Mean   Median  Missing
Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec   Monthly  Monthly  Days    Yr

1980   [   ]   [   ]   [   ]   [   ]   0.187"  1.395"  7.713*  9.460*  6.071'  3.227*  1.203'  0.299    [3.694]  [2.311]  121  1980
1981   0.127'  0.098  [0.344]  0.426   0.264   2.687'  8.095' 15.02 *  6.585"  2.727"  1.031   0.368    [3.148]  [0.728]    6  1981
1982   2.075   0.361   0.255*  0.221*  0.213   2.145   6.094*  4.814   3.541"  2.293*  0.408"  0.127"    1.879*   1.242*    0  1982
1983   0.044   0.124"  0.073"  0.158   0.310'  7.753  14.73   22.31   26.37    2.050   0.573   0.143     6.221"   0.441"    0  1983
1984   0.078*  0.056"  0.079"  0.153   0.948   4.890   4.936   5.934*  7.323*  1.153   1.119   0.253     2.244*   1.034*    0  1984
1985   0.098   0.131   0.128   1.421   0.612   3.188   9.017   8.398  16.04    1.212   0.633   0.170     3.422    0.923     0  1985

1986   0.067   0.117   0.216'  0.165   0.345   0.542   2.892   5.185   2.863   1.587   0.496   0.123     1.217'   0.420'    0  1986
1987   0.060   0.044   0.088   0.256   0.405   1.658*  4.019*  3.455   1.519   0.616   0.237   0.100'    1.038*   0.330*    0  1987
1988   0.041'  0.021'  0.042'  0.086'  0.479' 16.62 & 12.16   13.20    9.543   6.960   1.467   0.248*    5.073&   0.973&    0  1988
1989   0.096*  0.095   0.122   0.178   0.345   0.512   4.459   5.480   4.241   3.591   0.727   0.101     1.662*   0.428*    0  1989
1990   0.086"  0.077   0.097   0.314   0.936   4.616  21.73 & 10.63    3.498'  1.957   0.938'  0.153"    3.754&   0.937&    0  1990

1991   0.060   0.047   0.082   0.187   0.614   6.499  17.30   18.12 &  9.532   2.460   0.970   0.176     4.671&   0.792&    0  1991
1992   0.068   0.087   0.124   0.163   0.413   7.935  13.19   12.81   12.05    1.878'  0.896   0.302     4.161'   0.654'    0  1992
1993   0.050   0.029   0.255   0.349   0.382   0.576   7.210   9.381   9.311   2.668   0.662   0.110     2.582    0.479     0  1993
1994   0.038   0.044   0.053   0.090   0.274   2.289  11.87    6.348   3.239   1.019   0.224   0.087     2.132    0.249     0  1994
1995   0.037   0.027   0.034   0.105   0.301   1.159  12.29    9.870   5.799   1.367   0.457   0.240     2.641    0.379     0  1995

1996   0.111   0.050   0.082   0.126   0.202'  2.425  20.61 & 20.98 & 22.24 &  4.294   0.946   0.377     6.038&   0.662&    0  1996
1997   0.054   0.070'  0.139'  0.153   0.442   5.152   7.635   9.433   5.304   1.630   0.436   0.163     2.551'   0.439'    0  1997
1998   0.061   0.045   0.173   0.157   0.302   1.792   2.668   7.224   8.925   3.350   0.488   0.133     2.110    0.395     0  1998
1999   0.065   0.108   0.125   0.096   0.666   7.674  12.52 & 12.57   10.94    9.275   0.982   0.207     4.604&   0.824&    0  1999
2000   0.162   0.085   0.201   0.182   0.327   0.746  16.21   12.64 "  9.390*  1.238   0.402"  0.157     3.479*   0.364*    0  2000

2001   0.095   0.076   0.110   0.127   0.298   0.353'  0.412'  1.355'  1.215   0.816   0.201   0.340     0.450'   0.319'    0  2001
2002   0.069   0.047   0.073   0.141   0.407   1.636   8.185   7.165   5.356   1.777   0.589   0.114     2.130    0.498     0  2002
2003   0.055   0.090   0.072   0.153   0.244   1.379   7.184   7.881   7.358   2.081   0.451   0.119     2.256    0.348     0  2003
2004   0.071   0.049   0.074   0.128   0.256   4.619   5.990   9.692   3.324"  1.082"  0.386   0.126     2.150"   0.321"    0  2004
2005   0.068   0.067   0.086   0.227   1.448   4.821   4.556  10.73   11.36    4.678   1.042'  0.361'    3.288'   1.245'    0  2005

2006   0.167'  0.127   0.125   0.158   0.201   0.217   0.435   5.561   2.585   0.728   0.193   0.102     0.883'   0.197'    0  2006
2007   0.092   0.073   0.107   0.144   0.204   0.233   4.519  10.46   10.01    2.753   0.451   0.155     2.434    0.218     0  2007
2008   0.090   0.084   0.100   0.187   0.310   0.930   6.028   4.502   1.341   0.973   0.514   0.204     1.272    0.412     0  2008
2009   0.076   0.087   0.113   0.108  [0.090]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [0.095]  [0.090]  241  2009

                                                                                                                          368 Total

Mean   0.147*  0.083" [0.123]  0.219* [0.414]  3.326&  8.783&  9.677&  7.825&  2.463*  0.659"  0.192*   [2.776]                Mean
Med.   0.069*  0.076" [0.107]  0.158* [0.319]  2.145&  7.635&  9.433&  6.585&  1.957*  0.573"  0.157*            [0.413]       Med.
 Max   2.075*  0.361" [0.344]  1.421* [1.448] 16.62 & 21.73 & 22.31 & 26.37 &  9.275*  1.467"  0.377*   [6.221]                 Max
 Min   0.037*  0.021" [0.034]  0.086* [0.090]  0.217&  0.412&  1.355&  1.215&  0.616*  0.193"  0.087*   [0.095]                 Min
  OK    100%    100%     99%    100%     97%    100%    100%    100%    100%    100%    100%    100%       100%                  OK
 Cnt      29      29      29      29      30      29      29      29      29      29      29      29        30                  Cnt

                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        " ... Good Record - Corrections/Estimations a
                                        & ... Estimated Rating
                                        ' ... Very Good Record - Corrections applied
                                        * ... Estimated Record
                                        [ ... Not Available

  Department of Water                                                                                 HYMONTH V93  Output 22/11/2009

  Site      611004          PRESTON RIVER - BOYANUP BRIDGE                                                              Site  611004
  VarFrom   10.00           STAGE - SL in Metres, DoW Primary Archive
  VarTo     140.00          Maximum  Stream Discharge in Cubic Metres/Second, DoW Primary Archive
                            Figures are for period ending 2400 hours.
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Max  Days    Yr

  1980   [   ]   [   ]   [   ]   [   ]   0.391"  8.668" 23.21 * 58.02 * 10.20 '  7.107*  3.537'  0.650   [58.02 ]  121  1980
  1981   0.302'  0.168  [0.885]  0.672   1.161   6.637' 39.76 ' 61.05 * 23.98 " 10.48 "  2.760   1.021   [61.05 ]    6  1981
  1982  28.99    0.975   0.322*  0.300*  0.400   5.460  16.50 * 18.10    8.050"  7.403*  0.801"  0.210"   28.99 *    0  1982
  1983   0.064   0.213"  0.163"  0.240   0.604' 73.62   42.53   43.75  125.8     4.274   0.815   0.280   125.8  "    0  1983
  1984   0.173*  0.110"  0.129"  0.421   3.590  14.52   10.25   10.15 * 22.57 *  2.088   3.670   0.482    22.57 *    0  1984
  1985   0.210   1.112   0.249  15.40    1.827  17.74   36.30   17.11   28.47    2.138   1.673   0.310    36.30      0  1985

  1986   0.121   0.309   0.298'  0.217   0.760   2.364  20.46   19.43    4.103   2.838   0.769   0.281    20.46 '    0  1986
  1987   0.112   0.076   0.179   1.026   0.627   9.211* 14.05 *  9.283   3.576   1.276   0.515   0.206'   14.05 *    0  1987
  1988   0.095'  0.043'  0.097'  0.309'  2.282' 82.92 & 51.61   39.28   19.64   19.29    3.282   0.417*   82.92 &    0  1988
  1989   0.156*  0.327   0.345   0.233   0.769   1.439  18.53   29.33   10.87    6.749   1.752   0.179    29.33 *    0  1989
  1990   0.154"  0.187   0.288   0.682   2.622  26.34  129.6  & 34.54    7.373'  3.022   2.504'  0.319"  129.6  &    0  1990

  1991   0.136   0.203   0.198   0.358   3.900  19.35   44.69  121.1  & 21.60    4.933   4.265   0.406   121.1  &    0  1991
  1992   0.177   0.218   0.254   0.227   0.879  49.19   28.54   33.49   43.56    3.511'  2.491   0.739    49.19 '    0  1992
  1993   0.129   0.056   1.640   0.676   0.817   1.482  22.12   35.53   20.55    6.208   1.329   0.273    35.53      0  1993
  1994   0.080   0.131   0.118   0.164   1.560  10.28   26.64   16.47    7.577   1.843   0.455   0.227    26.64      0  1994
  1995   0.085   0.046   0.074   0.267   0.582   2.528  44.96   16.32   15.47    3.350   0.838   2.648    44.96      0  1995

  1996   0.398   0.105   0.218   0.206   1.145'  9.356  79.11 & 80.30 & 82.13 & 12.19    1.702   0.646    82.13 &    0  1996
  1997   0.167   0.382'  0.289'  0.273   1.530  16.97   50.23   30.33   10.19    4.576   0.699   0.406    50.23 '    0  1997
  1998   0.122   0.080   0.427   0.230   0.598   5.019   6.696  27.03   35.21    9.235   1.068   0.366    35.21      0  1998
  1999   0.133   0.218   0.208   0.152   5.646  20.74   72.36 & 25.81   23.17   34.64    2.394   0.345    72.36 &    0  1999
  2000   0.345   0.156   0.734   0.442   0.629   1.683  39.97   41.09 " 28.09 *  2.528   0.608"  0.273    41.09 *    0  2000

  2001   0.174   0.149   0.184   0.195   0.572   0.427'  0.603'  3.187'  2.317   2.528   0.354   2.317     3.187'    0  2001
  2002   0.112   0.147   0.127   0.206   0.710   3.626  19.80   15.85   12.47    3.201   1.492   0.236    19.80      0  2002
  2003   0.101   0.334   0.145   0.414   0.473   8.913  26.03   36.35   23.50    5.429   0.947   0.195    36.35      0  2003
  2004   0.198   0.089   0.114   0.239   0.455  13.37   17.90   34.70    9.736"  2.072"  0.547   0.402    34.70 "    0  2004
  2005   0.105   0.203   0.131   0.534   8.529  13.71    9.259  55.19   43.29   11.83    2.099'  0.716'   55.19 '    0  2005

  2006   0.267'  0.218   0.233   0.233   0.291   0.288   1.178  30.01    5.805   1.411   0.327   0.154    30.01 '    0  2006
  2007   0.187   0.127   0.208   0.260   0.427   0.693  21.39   44.84   25.73    6.877   1.169   0.251    44.84      0  2007
  2008   0.136   0.133   0.156   0.251   0.858   2.725  21.63   21.66    3.699   1.974   0.811   0.447    21.66      0  2008
  2009   0.109   0.239   0.174   0.167  [0.103]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [0.239]  241  2009

                                                                                                                   368 Total

  Mean   1.157*  0.233" [0.296]  0.862* [1.491] 14.80 & 32.27 & 34.81 & 23.41 &  6.380*  1.575"  0.531*  [47.12 ]       Mean
  Med.   0.136*  0.168" [0.208]  0.260* [0.765]  8.913& 23.21 & 30.33 & 19.64 &  4.274*  1.169"  0.345*                 Med.
   Max  28.99 *  1.112" [1.640] 15.40 * [8.529] 82.92 &129.6  &121.1  &125.8  & 34.64 *  4.265"  2.648* [129.6  ]        Max
   Min   0.064*  0.043" [0.074]  0.152* [0.103]  0.288&  0.603&  3.187&  2.317&  1.276*  0.327"  0.154*   [0.239]        Min
    OK    100%    100%     99%    100%     97%    100%    100%    100%    100%    100%    100%    100%       100%         OK
   Cnt      29      29      29      29      30      29      29      29      29      29      29      29        30         Cnt

                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        " ... Good Record - Corrections/Estimations a
                                        & ... Estimated Rating
                                        ' ... Very Good Record - Corrections applied
                                        * ... Estimated Record
                                        [ ... Not Available

  Department of Water                                                                                 HYMONTH V93  Output 22/11/2009

  Site      611004          PRESTON RIVER - BOYANUP BRIDGE                                                              Site  611004
  VarFrom   10.00           STAGE - SL in Metres, DoW Primary Archive
  VarTo     140.00          Minimum  Stream Discharge in Cubic Metres/Second, DoW Primary Archive
                            Figures are for period ending 2400 hours.
                                                                                                          Annual  Missing
  Year     Jan     Feb     Mar     Apr     May     Jun     Jul     Aug     Sep     Oct     Nov     Dec       Min  Days    Yr

  1980   [   ]   [   ]   [   ]   [   ]   0.165"  0.391"  1.341*  2.034*  3.864'  0.816*  0.474'  0.112    [0.112]  121  1980
  1981   0.032'  0.014  [0.055]  0.171   0.114   0.887'  1.480'  4.562*  2.843"  0.970"  0.503   0.067    [0.014]    6  1981
  1982   0.080   0.160   0.169*  0.155*  0.171   0.186   3.287*  2.337   1.591"  0.801*  0.126"  0.037"    0.037*    0  1982
  1983   0.008   0.039"  0.000"  0.078   0.094'  0.268   4.675   7.259   4.274   0.805   0.217   0.035     0.000"    0  1983
  1984   0.027*  0.017"  0.022"  0.041   0.265   2.017   2.528   3.134*  2.060*  0.462   0.438   0.090     0.017*    0  1984
  1985   0.041   0.025   0.032   0.094   0.402   0.690   4.030   0.520   2.138   0.728   0.228   0.087     0.025     0  1985

  1986   0.027   0.029   0.122'  0.107   0.127   0.302   0.785   3.055   1.910   0.763   0.160   0.040     0.027'    0  1986
  1987   0.021   0.026   0.026   0.107   0.286   0.272*  1.421*  1.879   0.821   0.345   0.108   0.032'    0.021*    0  1987
  1988   0.012'  0.006'  0.013'  0.010'  0.100'  2.282&  5.105   3.736   4.732   1.797   0.307   0.065*    0.006&    0  1988
  1989   0.029*  0.028   0.032   0.080   0.109   0.366   0.710   1.702   2.479   1.732   0.118   0.025     0.025*    0  1989
  1990   0.031"  0.024   0.012   0.167   0.423   0.991   1.259&  4.250   1.995'  0.991   0.182'  0.024"    0.012&    0  1990

  1991   0.014   0.016   0.025   0.061   0.138   1.985   5.524   4.641&  3.916   1.030   0.323   0.027     0.014&    0  1991
  1992   0.030   0.027   0.021   0.094   0.169   0.394   5.823   6.208   3.497   0.665'  0.330   0.068     0.021'    0  1992
  1993   0.007   0.012   0.015   0.239   0.192   0.374   1.228   3.201   3.597   1.311   0.215   0.028     0.007     0  1993
  1994   0.008   0.017   0.022   0.042   0.082   0.858   4.359   3.282   1.482   0.316   0.109   0.025     0.008     0  1994
  1995   0.016   0.014   0.015   0.021   0.107   0.358   1.022   4.092   1.702   0.682   0.177   0.057     0.014     0  1995

  1996   0.037   0.017   0.018   0.048   0.114'  0.316   3.766&  8.209&  6.087&  1.702   0.427   0.098     0.017&    0  1996
  1997   0.005   0.004'  0.079'  0.080   0.200   1.068   2.406   3.214   2.212   0.670   0.224   0.040     0.004'    0  1997
  1998   0.028   0.023   0.024   0.075   0.118   0.414   1.347   2.699   2.813   1.014   0.195   0.047     0.023     0  1998
  1999   0.027   0.030   0.053   0.048   0.100   1.550   4.882&  4.007   4.559   2.382   0.305   0.101     0.027&    0  1999
  2000   0.049   0.042   0.068   0.087   0.257   0.281   1.237   5.105"  2.516*  0.572   0.227"  0.074     0.042*    0  2000

  2001   0.045   0.045   0.057   0.064   0.100   0.309'  0.312'  0.423'  0.769   0.330   0.116   0.068     0.045'    0  2001
  2002   0.028   0.018   0.031   0.067   0.136   0.270   2.738   3.201   2.178   1.061   0.187   0.041     0.018     0  2002
  2003   0.022   0.023   0.032   0.053   0.103   0.260   2.881   3.035   2.382   0.879   0.162   0.054     0.022     0  2003
  2004   0.023   0.027   0.035   0.041   0.105   0.239   2.504   3.364   1.250"  0.478"  0.248   0.063     0.023"    0  2004
  2005   0.032   0.031   0.037   0.112   0.245   0.817   2.825   2.473   3.870   2.061   0.394'  0.172'    0.031'    0  2005

  2006   0.098'  0.079   0.067   0.101   0.152   0.172   0.239   1.007   1.137   0.305   0.096   0.049     0.049'    0  2006
  2007   0.039   0.034   0.060   0.071   0.160   0.162   0.687   2.725   5.429   1.169   0.156   0.065     0.034     0  2007
  2008   0.054   0.053   0.058   0.145   0.182   0.419   1.053   1.037   0.676   0.451   0.312   0.089     0.053     0  2008
  2009   0.052   0.052   0.068   0.068  [0.079]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [0.052]  241  2009

                                                                                                                   368 Total

  Mean   0.032*  0.032" [0.044]  0.087* [0.166]  0.652&  2.464&  3.324&  2.717&  0.941*  0.244"  0.061*   [0.027]       Mean
  Med.   0.028*  0.026" [0.032]  0.078* [0.137]  0.374&  2.406&  3.201&  2.382&  0.805*  0.217"  0.057*                 Med.
   Max   0.098*  0.160" [0.169]  0.239* [0.423]  2.282&  5.823&  8.209&  6.087&  2.382*  0.503"  0.172*   [0.112]        Max
   Min   0.005*  0.004" [0.000]  0.010* [0.079]  0.162&  0.239&  0.423&  0.676&  0.305*  0.096"  0.024*   [0.000]        Min
    OK    100%    100%     99%    100%     97%    100%    100%    100%    100%    100%    100%    100%       100%         OK
   Cnt      29      29      29      29      30      29      29      29      29      29      29      29        30         Cnt

                                        ------------------ Notes -------------------
                                        All recorded data is continuous and reliable
                                        except where the following tags are used...
                                        " ... Good Record - Corrections/Estimations a
                                        & ... Estimated Rating
                                        ' ... Very Good Record - Corrections applied
                                        * ... Estimated Record
                                        [ ... Not Available