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 29/01/2023

Site      613031          Mayfield Drain - Old Bunbury Rd                                                               Site  613031
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

1991   [   ]   [   ]    [7.5]    9.7^ 1046  ^11852  &11475  & 6392  $ 4039  #  291.8&  124.4&   24.8^  [3526  ]  [35263]   65  1991
1992    24.6&   19.9^   21.5&   31.5^  159.3& 8304  & 9297  &11542  & 3471  #  298.4$  220.7&   81.7&   2789  ^   33471^    0  1992
1993    71.5&   59.5&   79.6&   60.4&  124.7&  227.0& 3761  & 4036  $ 4807  &  411.7$ 1275  &  142.3&   1255  &   15056&    0  1993
1994    96.2&  113.0&   78.9&   36.3&  673.2&11347  & 9808  & 4903  &  498.0$  147.2&   61.2&   48.2&   2317  &   27810&    0  1994
1995    56.0&   46.3&   50.2&   41.0&   86.3&  748.8&14381  & 3324  # 4209  $  253.0&   89.3&   56.0&   1945  &   23341&    0  1995

1996   50.36&  63.95&  59.17&  18.60&  18.92"[2433  ][7196  ][8286  ]5433   ^ 659.2 " 188.2 "  77.68" [2040   ]  [24483]    7  1996
1997   31.57"  18.97"  16.34"  14.31"  57.27"3295   &[4637  ]5471   ^3009   & 290.4 "  74.56"  35.34" [1413   ]  [16951]    1  1997
1998   19.46"  11.86"  18.67"  16.28"  22.19" 753.1 "1842   #5448   ^4183   ^ 993.1 &  92.04&  47.12&  1120   ^   13446^    0  1998
1999   15.97&  10.21&  10.02&  10.58&  34.59&[3690  ][4134  ]4433   ^4674   ^1504   #  98.19"  40.21" [1554   ]  [18654]    5  1999
2000   30.60"  13.32"  12.43"  10.64"  21.62"[3072  ][9518  ][4523  ][2876  ] 208.1 "  63.04"  22.67" [1698   ]  [20371]   14  2000

2001   13.19"   8.04"   7.29"   6.65"  19.78"  47.56" 264.5 "1421   &1273   & 514.6 "  73.84"  40.05"   307.5 & 3690   &    0  2001
2002   20.55"  11.42"  [1.24]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]    [11.07]  [33.21]  302  2002
2003   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]     [   ]    [   ]   365  2003
2004   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]     [   ]    [   ]   366  2004
2005   [   ]   [   ]   [   ]   [   ] [1019  ][5234  ]2791   &[3109  ]2162   "2373   ^ 213.7 "  81.25" [2123   ][16983  ]  138  2005

2006   60.29"  32.92"  24.48"  20.46"  20.05"  24.65" 397.0 "2318   & 321.2 " 109.6 "  37.91"  25.77"   282.7 & 3393   &    0  2006
2007   13.48"   7.48"   8.05"  15.59"  21.84" 270.3 "[4745  ][7448  ]5516   ^1837   &  [   ]   [   ]  [1988   ][19881  ]   67  2007
2008   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]     [   ]    [   ]   366  2008
2009   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]     [   ]    [   ]   365  2009
2010   [   ]   [   ]   [   ]   [   ]   [   ]  171.5 #1667   &1065   ^ 289.9 # 135.6 #  65.98#  25.01#  [488.6 ][3420   ]  151  2010

2011   25.90#  11.43#   9.44#   9.19#  20.42#1666   ^3169   ^[3167  ]1644   ^ 298.4 # 210.6 # 109.8 #  [861.8 ][10341  ]    1  2011
2012   47.58#  20.38#  21.62#  16.72#  48.38#2714   ^ 415.3 #2152   ^2191   ^ 335.8 $ 605.2 ^1274   ^   820.2 ^ 9842   ^    0  2012
2013   91.54$ 348.6 $ 415.4 !  22.97# 315.8 # 218.0 #[2941  ][4325  ]6444   ^ 663.5 # 104.8 #  54.82# [1329   ][15945  ]    6  2013
2014   25.60#  13.45$  12.47$  13.62# 141.2 #1707   ^5167   ^3532   ^2306   & 435.0 #  96.84#  50.53#  1125   ^13501   ^    0  2014
2015   34.18#  17.67#  21.28#  22.69#  25.06#  27.49# 151.2 $ 850.3 # 598.0 #  77.81#  45.33#  25.55#   158.1 $ 1897   $    0  2015

2016   22.29#  17.17#  17.95#  23.64# 313.1 #1067   &1326   &6729   ^1522   $ 764.9 $ 112.2 #  44.03$   996.7 ^11961   ^    0  2016
2017   27.50#  27.61#  29.40#  26.90#  28.84#  43.83#2684   ^[6001  ]2673   ^ 285.3 #  60.97#  31.61#  [993.4 ][11921  ]    5  2017
2018   38.42#  21.10#  16.14#  10.94#  12.63#[2225  ][4496  ][4124  ] 810.0 # 238.6 #  60.40#  26.00# [1007   ][12079  ]   12  2018
2019   14.74#   9.23#   8.26#   6.68#   5.79# 615.7 $3602   ^2977   ^1216   & 133.7 #  52.27#  20.27#   721.7 ^ 8661   ^    0  2019
2020   11.58#   9.16#   8.54#   6.50#   9.22# 527.6 &1460   ^2294   ^1005   ^ 159.7 # 117.3 #  53.43#   471.8 ^ 5662   ^    0  2020



                                        ------------------ 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
                                        ^ ... Relative Uncertainty +/-50%






Department of Water and Environmental Regulation                                                     HYMONTH V128  Output 29/01/2023

Site      613031          Mayfield Drain - Old Bunbury Rd                                                               Site  613031
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

2021   30.88#  25.69#  25.59#  25.31# 475.5 &1238   ^[8626  ]3711   ^1327   $ 885.3 ^ 210.1 #  67.23# [1387   ][16648  ]    2  2021
2022   37.49#  27.85#  25.82#  21.36#  25.18# 333.6 $[2915  ][5961  ]1014   & 207.8 #  89.49#  19.40#  [889.8 ][10678  ]    3  2022
2023   [7.38]  [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]   [   ]     [7.38]   [7.38]  338  2023


Mean [35.34 ] 38.65 ^[38.74 ] 19.94 ^[182.5 ][2365  ][4550  ][4427  ][2575  ]537.5  ^170.9  ^ 97.09 ^ [1229   ][13979  ]       Mean
Med. [29.05 ] 18.97 ^[18.31 ] 16.72 ^[31.71 ][1067  ][3602  ][4124  ][2191  ]298.4  ^ 94.44 ^ 45.58 ^                          Med.
 Max  [96.17] 348.6 ^[415.4 ]  60.42^[1046  ][11852 ][14381 ][11542 ][6444  ]2373   ^1275   ^1274   ^ [3526   ][35263  ]        Max
 Min   [7.38]   7.48^  [1.24]   6.50^  [5.79] [24.65][151.2 ][850.3 ][289.9 ]  77.81^  37.91^  19.40^    [7.38]   [7.38]        Min
Total [918.7]  966.3^[1007  ]  498.6^[4746  ][63855 ][122863][119541][69512 ]14512  ^ 4444  ^ 2524  ^ [35628  ][405387 ] 2579  Total
  OK    100%    100%     96%    100%     99%     99%     96%     97%    100%    100%    100%    100%        99%      99%         OK
 Cnt      26      25      26      25      26      27      27      27      27      27      26      26        29       29         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
                                        ^ ... Relative Uncertainty +/-50%