Water Information Reporting

Copyright © Government of Western Australia
Information supplied by the Department of Water and Environmental Regulation is protected by the Copyright Act 1968. That copyright belongs to the State of Western Australia. Apart from any fair dealing for the purpose of private study, research, criticism or review, as permitted under the Copyright Act 1968, no part may be reproduced or reused for any purpose without the written permission of the Department of Water and Environmental Regulation. Please click on the Copyright link for full details.

Disclaimer / limitation of liability
The information contained herein is provided by the Department of Water and Environmental Regulation in good faith as a public service. However, the Department does not guarantee the accuracy of this information, and it is the responsibility of recipients to make their own enquiries as to its accuracy, currency and appropriateness. Telemetered data is provisional only and has not been verified for accuracy. If any aspect of this information is of significance to you, you should discuss your particular circumstances with the Department. Please click on the Disclaimer link for full details.

Should you require further information or technical assistance, please contact one of our water information officers.


Total Monthly Discharge report

Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 20/01/2021

Site      616019          Brockman River - Yalliawirra                                                                  Site  616019
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

1975   [   ]   [   ]   [   ]   [41.0]  237.2#  789.0"14560  #18794  # 4447  " 2163  "  425.5"   57.7"  [4612  ][41516  ]   98  1975
1976    12.0"    0.0"    0.0"   81.6"  243.4"  554.6" 1019  " 8292  # 3301  "  672.8"  437.1"   67.5"   1223  # 14682  #    0  1976
1977     4.5"    0.0"    0.0"    0.0"  130.7!  362.8"  648.1" 5620  # 1102  "  436.5"  139.5"   15.0"    704.9!  8459  !    0  1977
1978     0.0"    0.0"    0.0"    0.0"  119.9" 1541  #19646  # 5666  # 2193  " 1683  "  109.0"   41.0"   2583  # 31001  #    0  1978
1979     0.5"    0.0"    0.0"   62.9!  122.2"  994.5" 3307  " 5407  " 2358  "  651.2"  199.2"   23.3"   1094  ! 13127  !    0  1979
1980     0.0"    0.0"    0.0"   13.9"  218.8"  748.3" 5875  " 6579  " 3471  " 1272  "  274.6"   49.4"   1542  " 18503  "    0  1980

1981     7.1"    0.0"    0.0"   11.4! 1240  "24244  #20785  #44085  # 7078  " 2459  " [471.4]  [   ]   [9125  ] [100385]   39  1981
1982  [136.2]   21.6"   14.3"   41.6"  204.2" 3516  " 6405  "11690  # 4803  " 1799  "  250.7"   89.2"  [2414  ]  [28973]    6  1982
1983    15.8"   21.4"  110.4"  207.9"  139.2" 3215  #21767  #20364  #25258  # 2616  " 1692  "  345.6"   6313  #   75756#    0  1983
1984   132.7"    3.9"  116.5"  388.7# 2672  " 4408  " 6797  "14239  # 7964  # 1126  "  632.8"  141.4"   3218  #   38625#    0  1984
1985    61.4"  126.7"   41.1"   82.8"  138.7"  405.7" 2598  " 5273  " 2349  "  853.0"  198.6"   56.9"   1015  "   12186"    0  1985

1986     7.1"  289.0"  120.3"   58.1"  404.0! 2266  "15132  !16510  ! 7080  ! 2732  "  499.3"   78.4"   3764  !   45179!    0  1986
1987    23.2"    3.4"   13.6"  115.5"  649.5" 3595  !11172  #19209  # 6896  " 2005  "  373.9"  145.5"   3683  !   44204!    0  1987
1988    28.5"    0.0"    1.3"   52.3"  369.3" 3988  "15736  #19276  # 8143  " 5105  " 1005  "  176.1"   4490  #   53884#    0  1988
1989    58.0"   16.9"   19.4"   66.2"  410.0" 1121  " 5687  " 7594  " 2809  " 2611  "  437.1"   73.3"   1742  "   20905"    0  1989
1990  1355  # 1547  "  443.1"  508.2"  437.6" 1143  " 7905  "10817  ! 3870  ! 1273  !  657.9!  432.1!   2532  !   30391!    0  1990

1991    32.8!    3.1"    9.9"   78.1!  239.0! 6535  #29392  #21731  # 9670  " 3138  " 1315  " 1053  !   6100  !   73200!    0  1991
1992  1183  ! 1301  !  390.4!  115.4"  729.3" 4062  "11441  "26406  !22405  ! 4381  " 1301  "  481.4"   6183  !   74200!    0  1992
1993   126.5"   36.9"   27.5"   62.8" 3527  " 3386  " 5672  "17785  #12826  # 3961  "  739.0"  209.5"   4030  #   48361#    0  1993
1994    44.1"   36.5"   33.4"  118.8"  928.6" 4950  "14008  " 8574  " 3624  " 1162  "  147.3"   45.7"   2806  "   33674"    0  1994
1995     4.4"   13.2"   31.0"   84.5"  683.0" 9674  "42597  #29731  #10528  " 2922  "  918.2"  118.2"   8108  #   97306#    0  1995

1996    27.2"    7.2"   19.5"   60.9"  122.8" 1786  "17608  #28197  #17793  # 6240  " 1854  "  211.4"   6160  #   73930#    0  1996
1997    23.1"   23.3"   76.9"  218.7"  315.9" 2570  " 3328  "10696  # 8037  " 1643  "  257.3"   63.2"   2271  #   27255#    0  1997
1998    11.2"    1.9"   17.1"   47.6"  174.5" 2349  " 9301  " 9745  "14723  # 3455  "  655.7"   78.8"   3380  #   40562#    0  1998
1999   571.6"   33.3"  101.8"   62.2" 1428  "12121  "19628  #18072  #19995  #19209  # 2239  "  243.1"   7808  #   93707#    0  1999
2000  1668  "  191.8"   74.8"   85.9"  273.6" 2201  "15118  #12395  #11969  # 1772  #  360.6"   86.6"   3849  #   46199#    0  2000

2001    48.5"   35.5"   31.6"   61.6"  271.3"  372.0" 1759  " 8129  " 3833  " 3390  "  342.5"  100.3"   1531  "   18376"    0  2001
2002    51.7"   23.2"   25.4"  117.2"  257.2" 1167  " 5941  " 5632  " 4611  " 1424  "  254.8"   66.2"   1631  "   19573"    0  2002
2003    27.7"   20.6"   40.4"  495.6"  441.5" 3141  "15399  #18803  #10885  # 4638  "  540.6"  136.2"   4547  #   54569#    0  2003
2004    54.8"   37.4"   41.8"   54.1"  201.2" 2885  " 6840  " 7240  " 5776  " 2488  "  518.3"  170.7"   2192  "   26309"    0  2004
2005    38.2"   23.3"   48.7"   79.6"  577.0"12151  "13260  $15559  $11421  $ 4622  "  672.2"  188.6"   4886  $   58642$    0  2005

2006   939.5"  115.6"   56.1"   76.7"  146.6"  199.0" 1713  " 4437  " 5155  " 1459  "  149.6"   56.3"   1208  "   14505"    0  2006
2007    35.5"   15.0"   46.8"   65.2"  173.2"  241.8" 2140  " 8489  " 5455  & 1300  &  196.3"   91.5$   1521  &   18252&    0  2007
2008    20.0$   36.5$   81.3"  438.9"  319.5"  989.8# 7905  # 8107  " 2589  " 1867  "  496.5"  117.0"   1914  $   22970$    0  2008
2009    20.8"    5.9"   23.7"   49.7"   90.8"  520.6"10461  #15818  #11641  # 2026  #  737.9"   89.2"   3457  #   41486#    0  2009



                                        ------------------ 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 20/01/2021

Site      616019          Brockman River - Yalliawirra                                                                  Site  616019
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

2010    11.4"    4.0"   23.0"   60.7"  147.0"  191.6" 1692  " 1978  " 1208  "  212.0"   37.4"   13.6"    465.0"  5579  "    0  2010
2011     1.3"    0.0"    0.0"    0.0"   38.4"  194.4" 1151  "10567  " 5154  " 1942  "  744.4"  209.0"   1667  " 20004  "    0  2011
2012     3.4"    0.0"    0.0"    1.5"   74.4"  469.9"  860.0" 2159  " 1617  "  247.1"   99.6"   59.0"    466.0"  5592  "    0  2012
2013     0.0"    0.0"   13.7"   34.6"  139.8"  112.3"  496.6" 6552  "20042  # 4682  "  452.7"   32.2"   2713  # 32559  #    0  2013
2014     0.4"    0.0"    0.0"    0.0"  258.6" 2216  "11179  " 7187  " 4975  " 1675  "  347.4"   52.9"   2324  " 27892  "    0  2014
2015     0.2"    0.0"    0.0"   40.5"  123.1"  124.0"  405.6" 4432  " 2593  "  435.4"   55.7"   17.9"    685.6"  8227  "    0  2015

2016   220.1"    6.5"  345.9#  257.4"  703.9" 3081  "12617  "13807  "10421  " 3955  "  582.5"   60.1"   3838  # 46059  #    0  2016
2017    48.0" 1238  "  201.8"   36.9"  104.0"  218.6" 3589  "26994  # 7799  " 3437  "  555.6"   83.1"   3692  # 44307  #    0  2017
2018   356.6"  319.0"   39.8"   30.5"  165.4" 2035  "11989  "45030  #20105  # 4369  "  994.1"  169.0"   7133  # 85604  #    0  2018
2019    11.6"    0.4&   12.6&   50.4&   71.6" 1093  " 9056  " 5314  " 5054  "  959.8"  331.7"   26.6"   1831  & 21982  &    0  2019
2020     1.6"    0.0"    4.9&   24.0&   69.5"  225.3"  499.7" 3880  " 1808  "  564.6"  255.5"   28.7"    613.6&  7363  &    0  2020

2021  [0.000]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [0.000]  [0.000]  347  2021


Mean  [161.4]  123.6!   60.0! [100.9]  446.4! 2916  ! 9697  !13540  ! 7975  ! 2675  ! [564.3]  136.7!  [3172  ][37575  ]       Mean
Med.   [25.2]   13.2!   25.4!  [61.9]  238.1! 1664  ! 7905  !10632  ! 5615  ! 1973  ! [444.9]   83.1!                          Med.
 Max [1668  ] 1547  !  443.1! [508.2] 3527  !24244  !42597  !45030  !25258  !19209  ![2239  ] 1053  !  [9125  ][100384 ]        Max
 Min    [0.0]    0.0!    0.0!   [0.0]   38.4!  112.3!  405.6! 1978  ! 1102  !  212.0!  [37.4]   13.6!     [0.0]    [0.0]        Min
Total  [7426]   5560!   2700!  [4642]  20535! 134165! 446105! 622881! 366853! 123049! [25960]   6152!  [149083][1766027]  490  Total
  OK     99%    100%    100%     99%    100%    100%    100%    100%    100%    100%     99%    100%       100%     100%         OK
 Cnt      46      45      45      46      46      46      46      46      46      46      46      45        47       47         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