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.
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
1968 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] 0.000$ [0.000] [0.000] 325 1968
1969 0.000$ 0.459$ 0.017$ 0.000$ 0.029$ 0.169$ 0.193$ 0.142$ 0.080$ 0.011$ 0.000$ 0.000$ 0.092$ 0.023$ 0 1969
1970 0.000$ 5.188$ 0.296$ 0.027$ 11.56 $ 8.555$ 0.158$ 0.127$ 0.100$ 0.019$ 0.000$ 0.000$ 2.169$ 0.114$ 0 1970
1971 9.961$141.1 $ 1.843$ 0.494$ 0.122$ 44.71 $ 0.346$ 0.315$ 0.142$ 0.038$ 0.000$ 0.000$ 16.59 $ 0.330$ 0 1971
1972 0.283$ 1.957$ 0.271$ 0.000$ 0.000$ 0.000$ 0.151$ 0.174$ 0.036$ 0.000$ 0.000$ 0.000$ 0.239$ 0.018$ 0 1972
1973 44.86 $ 0.667$ 82.01 $ 0.407$ 0.188$ 0.357$ 0.230$ 0.221$ 0.068$ 0.001$ 0.000$ 0.445$ 10.79 $ 0.293$ 0 1973
1974 38.15 $ 5.151$ [0.258] [0.137] 0.184$ 0.216$ 0.238$ 0.267$ 0.325! 0.011$ 0.000$ 1.602$ [3.878] [0.248] 16 1974
1975 0.037$ 0.019$ 0.023$ 0.027$ 0.000$ 0.000$ 0.000$ 0.044$ 0.005$ 0.000$ 0.000$468.2 $ 39.03 $ 0.012$ 0 1975
1976 7.617$ 2.707! 25.00 $ 0.222$ 0.130$ 0.146$ 0.161$ 0.135$ 0.063$ 0.022$ 0.000$ 0.007$ 3.018! 0.141! 0 1976
1977 0.069$ 0.275$ 0.016$ 0.000$ 0.000$ 0.000$ 0.232$ 1.824$ 0.097$ 0.000$ 0.000$ 0.108$ 0.218$ 0.042$ 0 1977
1978 1.002$ [0.344] [0.335] 0.170$ 0.020$ 0.053$ 0.101$ 1.687$ 0.084$ 0.004$ 0.000$ 0.000$ [0.317] [0.092] 11 1978
1979 0.015$ 0.681$ 4.351$ 0.008$ 0.023$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.193$ 0.439$ 0.004$ 0 1979
1980 12.55 $ 3.236$ 0.415$ 0.143$ 0.006$ 0.526$ 1.045$ 0.053$ 0.001$ 0.000$ 0.000$ 0.097! 1.506! 0.120! 0 1980
1981 [4.321] [ ] [0.497] 0.003! 0.000! 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ [0.438] [0.000] 49 1981
1982 19.39 $ 42.98 $ 1.279$ 0.150$ 0.459$ 0.107$ 0.067$ 0.022$ 0.000$ 0.000$ 0.000$ 0.966$ 5.451$ 0.128$ 0 1982
1983 0.000$ 0.101$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.009$ 0.000$ 0 1983
1984 1.434$ 2.819$213.6 $ 0.219$ 1.234$ 0.180$ 0.208$ 0.148$ 0.040$ 0.002$ 0.000$ 0.018$ 18.33 $ 0.194$ 0 1984
1985 2.250$ 79.37 $ 0.496$ 0.140$ 0.089$ 0.042$ 0.058$ 0.032$ 0.001$ 0.000$ 0.000$ 0.000$ 6.873$ 0.050$ 0 1985
1986 0.000$ 0.764$ 0.013$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.065$ 0.000$ 0 1986
1987 53.00 $ 6.984$ 0.966$ [0.007] [ ] [ ] [ ] [ ] [ ] [0.000] 0.000$ 0.000$ [8.708] [0.007] 176 1987
1988 0.876$ 8.686$ 0.482$ 1.657$ 1.155$ 0.151$ 0.114$ 0.083$ 0.013$ 0.000$ 0.000$ 0.466$ 1.140$ 0.308$ 0 1988
1989 0.257$ 0.775$ 0.505$ 2.841$ 0.114$ 15.39 $ 0.184$ 0.127$ 0.069$ 0.003$ 0.000$ 0.000$ 1.689$ 0.156$ 0 1989
1990 0.000$ 0.198$ 0.163$ 0.002$ 0.000$ 0.000$ 0.099$ 0.115$ 0.019$ 0.001$ 0.000$ 0.000$ 0.050$ 0.001$ 0 1990
1991 0.233$ 1.156$ 0.272$ 0.000$ 0.920$ 6.922$ 0.213$ 0.123$ 0.061$ 0.003$ 0.000$ 0.000$ 0.825$ 0.168$ 0 1991
1992 0.000$ 0.000$ 0.000$ 1.831$ 5.267$ 0.186$ 0.128$ 0.115$ 0.087$ 0.021$ 0.000$ 0.000$ 0.636$ 0.054$ 0 1992
1993 3.785$134.6 & 0.359^ 0.143^ 0.176^ 0.437^ 0.215^ 0.217^ 0.165^ 0.082^ 0.003^ 0.124^ 11.69 ^ 0.196^ 0 1993
1994 0.085^ 6.044^ 3.362^ 0.018^ 0.006^ 0.081^ 0.098^ 0.102^ 0.069^ 0.364^ 0.000^ 0.148^ 0.865^ 0.091^ 0 1994
1995 0.344^134.0 ^ 15.34 $ 0.547^ 0.190^ 0.920^ 0.328^ 0.234^ 0.172^ 0.085^ 0.019! 0.000! 12.68 ! 0.281! 0 1995
1996 0.000! 0.000^ 0.049^ 12.59 ^ 0.140^ 0.213^ 0.350^ 0.196^ 0.112^ 0.019^ 0.000^ 5.464^ 1.595! 0.126! 0 1996
1997 17.27 ^ 83.80 $ 1.265^ 0.221^ 0.270^ 0.276^ 0.332^ 0.361^ 0.233^ 0.032^ 0.000^ 0.000^ 8.672^ 0.273^ 0 1997
1998 0.000^ 0.019^ 4.375^ 0.151^ 0.387^ 0.416^ 1.200^ 0.145^ 0.083^ 0.009^ 0.000^ 0.000^ 0.565^ 0.114^ 0 1998
1999 0.055^111.8 ^ 96.29 & 10.59 & 0.490& 0.447& 0.390& 0.332^ 0.228^ 0.239^ 0.093^ 68.83 ^ 24.15 ^ 0.419^ 0 1999
2000 8.956$ 22.01 $206.8 $ 46.70 $ 5.578$ 0.821$ 0.613& 0.493& 0.342^ 0.215^ 0.183^ 0.848^ 24.46 ^ 0.835^ 0 2000
2001 2.581^144.5 $ 3.949& 0.335^ 0.425& 0.494& 0.552& 0.425& 0.338^ 0.235^ 0.077^ 0.000^ 12.83 ^ 0.425^ 0 2001
2002 0.005^ 1.221^ 2.651^ 0.146^ 0.226^ 0.494^ 0.390& 0.330^ 0.208^ 0.012^ 0.000^ 0.000^ 0.474^ 0.217^ 0 2002
822 Total
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
2003 0.000^ 5.476^ 0.091^ 0.035^ 0.034^ 0.169^ 0.232^ 0.228^ 0.126^ 0.005^ 0.000^ 0.000^ 0.533^ 0.063^ 0 2003
2004 0.000^ 19.75 ^184.5 & 0.490^ 0.218^ 0.206^ 0.382^ 0.290^ 0.232^ 0.090^ 0.024^ 0.000^ 17.18 ^ 0.225^ 0 2004
2005 0.047^ 1.178^ 0.557^ 0.031^ 0.258^ 0.324^ 1.328& 0.335^ 0.205^ 0.045^ 0.002^ 0.000^ 0.359^ 0.231^ 0 2005
2006 63.92 ^ 29.21 $108.7 $227.1 $ 1.942$ 1.386$ 1.058$ 0.776$ 0.587& 0.604& 0.428^ 0.371^ 36.34 ^ 1.222^ 0 2006
2007 0.491^ 0.285^ 4.444^ 0.772& 0.708& 0.675& 0.639& 0.602& 0.642& 0.650& 0.948$ 1.803& 1.055^ 0.663^ 0 2007
2008 1.711& 27.78 $ 13.70 $ 11.82 $ 2.312$ 1.636$ 0.953& 0.734& 0.646& 0.487& 0.306^ 1.256^ 5.279^ 1.446^ 0 2008
2009 3.377^131.3 $ 8.958$ 0.927$ 0.997$ 1.475$ 1.295$ 1.179$ 0.952$ 0.743& 0.536& 0.406^ 12.68 ^ 1.088^ 0 2009
2010 4.480& 0.493& 0.668& 0.696$ 0.889$ 1.070$ 1.187$ 1.060$ 0.959$ 0.455^ 0.140^ 0.356^ 1.038^ 0.792^ 0 2010
2011 11.62 ^110.5 $ 29.51 $ 1.101$ 1.449$ 1.425$ 1.352$ 1.215$ 0.929$ 0.813$ 0.708& 0.214^ 13.40 ^ 1.283^ 0 2011
2012 59.18 ^ 12.72 $ 1.952$ 1.008$ 0.913$ 1.240$ 0.992$ 0.851$ 0.544^ 0.219^ 0.138^ 3.383^ 6.928^ 1.000^ 0 2012
2013 162.3 $ 12.01 $ 0.712& 1.397& 0.824$ 1.882$ 1.003$ 0.706$ 0.452^ 0.186^ 0.419^ 5.323^ 15.60 ^ 0.914^ 0 2013
2014 16.44 ^ 13.43 ^ 1.622^ 0.617^ 6.202$ 1.597$ 1.525$ 1.177$ 0.700^ 0.137^ 0.044^ 0.011^ 3.625^ 1.351^ 0 2014
2015 1.172^ 0.373^ 12.35 ^ 0.822& 12.45 $ 5.568$ 1.276$ 0.844$ 0.382^ 0.043^ 0.009^ 0.711^ 3.000^ 0.833^ 0 2015
2016 1.148^ 1.486^ 0.091^ 0.016^ 0.094^ 0.629^ 0.727& 0.543& 0.263^ 0.017^ 0.000^ 2.956^ 0.664^ 0.403^ 0 2016
2017 23.38 ^ 29.21 $ 1.278& 0.600& 0.452& 0.465& 0.483& 0.374^ 0.060^ 0.009^ 0.000^ 0.111^ 4.702^ 0.459^ 0 2017
2018 7.585^ 0.918& 0.088^ 0.068^ 0.015^ 2.279^ 0.566& 0.502& 0.220^ 0.001^ 0.000^ 0.000^ 1.020^ 0.154^ 0 2018
2019 0.072^ 0.041^ 0.548^ 0.347^ 0.188^ 0.264^ 0.356^ 0.300^ 0.112^ 0.000^ 0.000^ 0.328^ 0.213^ 0.226^ 0 2019
2020 0.582^110.4 ^ 0.622^ 0.192^ 0.193^ 0.260^ 0.248^ 0.211^ 0.009^ 0.000^ 0.673^ 10.11 ^ 10.29 ^ 0.254^ 0 2020
2021 0.942^ 74.63 & 2.547& 9.928& 6.809$ 0.903$ 0.748$ 0.488& 0.297^ 0.081^ 0.001^ 0.006^ 8.115^ 0.826^ 0 2021
2022 0.292^ 0.563^ 0.558^ 0.270^ 49.27 ^ 26.88 $ 0.853$ 0.797$ 0.664& 0.278^ 0.041^ 0.296^ 6.730^ 0.561^ 0 2022
2023 1.908^ 12.86 & 2.934& 0.580& 0.393& 0.625& 0.701$ 0.581& 0.280^ 0.003^ 0.000^ 0.027^ 1.741^ 0.581^ 0 2023
2024 0.159^ 0.118^ 10.78 ^ 0.390^ 0.438& 0.798& 0.787$ 0.865$ 0.458^ 0.155^ 1.337^ 0.068^ 1.363^ 0.448^ 0 2024
2025 6.578^ 2.207^ 0.217^ 0.052^ [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.264] [1.212] 245 2025
822 Total
Mean [10.47 ][27.51 ][18.51 ] [5.951] 2.117! 2.437^ 0.492^ 0.423^ 0.236! [0.115] [0.108] 10.09 ! [6.458] Mean
Med. [1.002] [3.028] [0.712] [0.221] 0.226! 0.437^ 0.346^ 0.290^ 0.126! [0.015] [0.000] 0.027! [0.233] Med.
Max [162.3 ][144.5 ][213.6 ][227.1 ] 49.27 ! 44.71 ^ 1.525^ 1.824^ 0.959! [0.813] [1.337]468.2 ! [39.03 ] 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 99% 99% 99% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% OK
Cnt 57 56 57 57 55 55 55 55 55 56 57 57 58 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
1968 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] 0.000$ [0.000] 325 1968
1969 0.000$ 9.119$ 0.121$ 0.000$ 0.500$ 0.390$ 0.244$ 0.191$ 0.134$ 0.037$ 0.000$ 0.000$ 9.119$ 0 1969
1970 0.000$ 85.14 $ 4.931$ 0.400$211.6 $207.0 $ 0.228$ 0.185$ 0.173$ 0.060$ 0.000$ 0.000$ 211.6 $ 0 1970
1971 164.1 $2266 $ 44.37$ 9.91$ 0.46$ 463.7 $ 0.40$ 0.51$ 0.21$ 0.11$ 0.00$ 0.00$ 2266 $ 0 1971
1972 5.18$ 59.69$ 3.99$ 0.00$ 0.00$ 0.00$ 0.35$ 0.25$ 0.10$ 0.00$ 0.00$ 0.00$ 59.69$ 0 1972
1973 778.7 $ 6.42$ 953.1 $ 1.86$ 0.40$ 1.00$ 0.28$ 0.62$ 0.11$ 0.02$ 0.00$ 44.74$ 953.1 $ 0 1973
1974 554.0 $ 82.79$ [0.52] [0.26] 0.26$ 0.25$ 0.62$ 0.41$ 6.66! 0.04$ 0.00$ 58.40$ [554.0 ] 16 1974
1975 0.28$ 0.20$ 0.17$ 0.14$ 0.00$ 0.00$ 0.01$ 0.05$ 0.04$ 0.00$ 0.00$3877 $ 3877 $ 0 1975
1976 61.12 $ 43.97 !209.6 $ 1.216$ 0.156$ 0.206$ 0.207$ 0.179$ 0.109$ 0.046$ 0.002$ 0.223$ 209.6 ! 0 1976
1977 0.914$ 10.73 $ 0.064$ 0.000$ 0.000$ 0.000$ 1.770$ 2.472$ 0.627$ 0.000$ 0.000$ 6.452$ 10.73 $ 0 1977
1978 75.58 $ [9.618] [2.104] 1.878$ 0.070$ 0.089$ 0.131$ 37.59 $ 0.179$ 0.023$ 0.000$ 0.000$ [75.58 ] 11 1978
1979 0.125$ 9.404$ 69.91 $ 0.291$ 0.502$ 0.001$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 18.70 $ 69.91 $ 0 1979
1980 225.0 $ 28.41 $ 13.18 $ 2.545$ 0.052$ 36.87 $ 24.46 $ 0.184$ 0.006$ 0.000$ 0.000$ 10.39 ! 225.0 ! 0 1980
1981 [57.77] [ ] [5.94] 0.04! 0.00! 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ [57.77] 49 1981
1982 187.2 $ 323.0 $ 30.13$ 1.20$ 7.40$ 0.16$ 0.08$ 0.04$ 0.00$ 0.00$ 0.00$ 107.5 $ 323.0 $ 0 1982
1983 0.00$ 1.59$ 0.01$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 1.59$ 0 1983
1984 32.59$ 167.1 $1909 $ 1.64$ 57.61$ 0.28$ 0.29$ 0.20$ 0.09$ 0.01$ 0.00$ 0.19$ 1909 $ 0 1984
1985 255.6 $ 643.0 $ 5.94$ 8.58$ 0.35$ 0.06$ 0.09$ 0.09$ 0.01$ 0.00$ 0.00$ 0.00$ 643.0 $ 0 1985
1986 0.00$ 13.58$ 0.07$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 0.00$ 13.58$ 0 1986
1987 1327 $ 165.6 $ 110.0 $ [0.02] [ ] [ ] [ ] [ ] [ ] [0.00] 0.00$ 0.01$ [1327 ] 176 1987
1988 33.26$ 115.3 $ 95.67$ 27.90$ 24.37$ 0.27$ 0.14$ 0.10$ 0.04$ 0.00$ 0.00$ 8.83$ 115.3 $ 0 1988
1989 32.14$ 22.35$ 8.38$ 67.82$ 0.40$ 185.6 $ 0.29$ 0.15$ 0.12$ 0.02$ 0.00$ 0.00$ 185.6 $ 0 1989
1990 0.00$ 3.45$ 1.13$ 0.01$ 0.00$ 0.00$ 0.14$ 0.17$ 0.05$ 0.00$ 0.00$ 0.00$ 3.45$ 0 1990
1991 3.25$ 26.79$ 3.94$ 0.00$ 45.86$ 53.46$ 0.30$ 0.19$ 0.11$ 0.02$ 0.00$ 0.00$ 53.46$ 0 1991
1992 0.00$ 0.00$ 0.00$ 101.5 $ 123.8 $ 0.23$ 0.15$ 0.16$ 0.14$ 0.06$ 0.00$ 0.00$ 123.8 $ 0 1992
1993 135.0 $2361 & 4.39^ 0.17^ 0.22^ 4.48^ 0.25^ 0.24^ 0.20^ 0.12^ 0.02^ 5.81^ 2361 ^ 0 1993
1994 0.57^ 111.9 ^ 113.9 ^ 0.05^ 0.05^ 0.10^ 0.11^ 0.12^ 0.09^ 77.23^ 0.01^ 3.18^ 113.9 ^ 0 1994
1995 39.37^ 863.8 ^ 235.5 $ 1.92^ 0.21^ 22.36^ 0.59^ 0.27^ 0.21^ 0.16^ 0.03! 0.00! 863.8 ! 0 1995
1996 0.00! 0.01^ 0.35^ 225.0 ^ 0.18^ 0.33^ 1.76^ 0.24^ 0.15^ 0.07^ 0.00^ 176.7 ^ 225.0 ! 0 1996
1997 146.7 ^ 647.2 $ 5.91^ 0.28^ 0.33^ 0.33^ 0.41^ 0.85^ 0.39^ 0.11^ 0.00^ 0.00^ 647.2 ^ 0 1997
1998 0.00^ 0.12^ 194.0 ^ 0.35^ 20.87^ 1.14^ 29.95^ 0.38^ 0.09^ 0.05^ 0.00^ 0.00^ 194.0 ^ 0 1998
1999 0.37^ 713.6 ^ 718.1 & 72.10& 0.69& 0.58& 0.44& 0.42^ 0.29^ 3.36^ 0.17^ 785.0 ^ 785.0 ^ 0 1999
2000 96.38$ 88.83$1255 $ 141.7 $ 16.93$ 1.60$ 0.69& 0.55& 0.44^ 0.30^ 0.64^ 40.12^ 1255 ^ 0 2000
2001 47.19^1280 $ 33.18& 0.42^ 0.57& 0.58& 0.71& 0.54& 0.39^ 0.33^ 0.22^ 0.00^ 1280 ^ 0 2001
2002 0.05^ 34.19^ 58.24^ 0.33^ 1.59^ 1.88^ 0.42& 0.36^ 0.33^ 0.06^ 0.00^ 0.14^ 58.24^ 0 2002
822 Total
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
2003 0.00^ 114.9 ^ 1.58^ 0.08^ 0.09^ 0.39^ 0.30^ 0.28^ 0.22^ 0.04^ 0.00^ 0.00^ 114.9 ^ 0 2003
2004 0.00^ 289.7 ^1775 & 23.35^ 0.23^ 0.21^ 0.58^ 0.38^ 0.31^ 0.19^ 0.07^ 0.01^ 1775 ^ 0 2004
2005 0.56^ 29.22^ 14.67^ 0.12^ 0.55^ 0.38^ 18.87& 0.38^ 0.36^ 0.12^ 0.01^ 0.00^ 29.22^ 0 2005
2006 475.3 ^ 770.4 $ 560.2 $1469 $ 3.86$ 1.56$ 1.22$ 0.91$ 0.76& 5.14& 1.10^ 0.82^ 1469 ^ 0 2006
2007 5.78^ 0.61^ 52.63^ 1.61& 0.73& 0.69& 0.66& 0.62& 0.76& 0.76& 2.21$ 2.83& 52.63^ 0 2007
2008 2.36& 423.2 $ 679.0 $ 173.2 $ 3.14$ 2.56$ 1.37& 0.84& 0.71& 0.60& 0.40^ 162.2 ^ 679.0 ^ 0 2008
2009 91.95^3348 $ 664.7 $ 1.67$ 1.23$ 4.21$ 1.55$ 1.31$ 1.17$ 0.91& 0.72& 0.63^ 3348 ^ 0 2009
2010 281.5 & 0.63& 5.84& 1.61$ 1.59$ 1.24$ 1.42$ 1.31$ 1.47$ 0.76^ 0.30^ 3.25^ 281.5 ^ 0 2010
2011 146.5 ^ 520.3 $ 198.3 $ 5.53$ 5.97$ 2.31$ 1.54$ 1.38$ 1.19$ 1.18$ 1.80& 0.30^ 520.3 ^ 0 2011
2012 245.4 ^ 82.62$ 8.53$ 1.43$ 1.14$ 2.00$ 1.14$ 0.97$ 0.80^ 0.35^ 0.25^ 99.65^ 245.4 ^ 0 2012
2013 2173 $ 100.0 $ 1.13& 27.58& 1.01$ 13.06$ 1.65$ 0.88$ 0.68^ 0.41^ 43.45^ 407.3 ^ 2173 ^ 0 2013
2014 351.4 ^ 171.4 ^ 204.6 ^ 1.29^ 343.3 $ 2.07$ 1.67$ 1.47$ 1.07^ 0.26^ 0.13^ 0.05^ 351.4 ^ 0 2014
2015 23.99^ 14.39^ 185.6 ^ 3.40& 96.20$ 84.94$ 2.02$ 1.14$ 0.78^ 0.17^ 0.06^ 79.70^ 185.6 ^ 0 2015
2016 26.19^ 29.74^ 1.73^ 0.15^ 0.25^ 1.50^ 1.16& 0.73& 0.69^ 0.14^ 0.00^ 152.8 ^ 152.8 ^ 0 2016
2017 251.8 ^ 269.2 $ 9.19& 2.17& 0.55& 0.52& 0.55& 0.57^ 0.18^ 0.04^ 0.00^ 10.85^ 269.2 ^ 0 2017
2018 101.5 ^ 3.45& 0.37^ 0.48^ 0.05^ 54.47^ 0.64& 0.59& 0.48^ 0.02^ 0.00^ 0.00^ 101.5 ^ 0 2018
2019 8.33^ 0.35^ 9.57^ 2.91^ 0.21^ 0.38^ 0.44^ 0.36^ 0.30^ 0.00^ 0.00^ 5.35^ 9.57^ 0 2019
2020 10.51^1582 ^ 12.93^ 0.23^ 0.32^ 0.30^ 0.32^ 0.29^ 0.12^ 0.00^ 33.74^ 260.3 ^ 1582 ^ 0 2020
2021 21.30 ^633.3 & 98.37 &379.4 &263.7 $ 1.240$ 0.942$ 0.671& 0.402^ 0.252^ 0.019^ 0.350^ 633.3 ^ 0 2021
2022 10.97 ^ 3.605^ 4.654^ 0.579^608.5 ^437.3 $ 0.985$ 1.092$ 1.105& 0.471^ 0.098^ 5.288^ 608.5 ^ 0 2022
2023 95.31 ^286.3 & 74.28 & 1.044& 0.493& 1.056& 0.840$ 0.778& 0.510^ 0.047^ 0.013^ 0.058^ 286.3 ^ 0 2023
2024 0.510^ 0.627^144.9 ^ 0.607^ 0.586& 2.328& 1.378$ 1.204$ 0.778^ 0.858^250.1 ^ 0.553^ 250.1 ^ 0 2024
2025 346.8 ^138.8 ^ 4.058^ 0.135^ [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [346.8 ] 245 2025
822 Total
Mean [156.7 ][339.4 ][189.5 ][48.54 ] 33.62 ! 29.05 ^ 1.941^ 1.198^ 0.479! [1.696] [5.887]111.2 ! [629.8 ] Mean
Med. [32.14 ][82.70 ][12.93 ] [1.204] 0.500! 0.581^ 0.443^ 0.380^ 0.212! [0.055] [0.000] 0.305! Med.
Max [2173 ][3348 ][1909 ][1469 ] 608.5 ! 463.7 ^ 29.95^ 37.59^ 6.66! [77.23][250.1 ]3877 ! [3877 ] Max
Min [0.00] [0.00] [0.00] [0.00] 0.00! 0.00^ 0.00^ 0.00^ 0.00! [0.00] [0.00] 0.00! [0.00] Min
OK 99% 99% 99% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% OK
Cnt 57 56 57 57 55 55 55 55 55 56 57 57 58 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
1968 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] 0.000$ [0.000] 325 1968
1969 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.021$ 0.143$ 0.116$ 0.036$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1969
1970 0.000$ 0.000$ 0.024$ 0.000$ 0.000$ 0.223$ 0.131$ 0.078$ 0.059$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1970
1971 0.000$ 0.124$ 0.059$ 0.068$ 0.068$ 0.390$ 0.293$ 0.212$ 0.089$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1971
1972 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.096$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1972
1973 0.000$ 0.000$ 0.000$ 0.101$ 0.086$ 0.116$ 0.182$ 0.102$ 0.021$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1973
1974 0.430$ 0.194$ [0.110] [0.092] 0.090$ 0.188$ 0.158$ 0.204$ 0.044! 0.000$ 0.000$ 0.000$ [0.000] 16 1974
1975 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.010$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1975
1976 0.496$ 0.046! 0.273$ 0.119$ 0.102$ 0.121$ 0.133$ 0.095$ 0.026$ 0.002$ 0.000$ 0.000$ 0.000! 0 1976
1977 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.553$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1977
1978 0.000$ [0.020] [0.059] 0.004$ 0.000$ 0.028$ 0.069$ 0.086$ 0.022$ 0.000$ 0.000$ 0.000$ [0.000] 11 1978
1979 0.000$ 0.000$ 0.007$ 0.000$ 0.001$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1979
1980 0.000$ 0.015$ 0.000$ 0.000$ 0.000$ 0.000$ 0.075$ 0.006$ 0.000$ 0.000$ 0.000$ 0.000! 0.000! 0 1980
1981 [0.005] [ ] [0.037] 0.000! 0.000! 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ [0.000] 49 1981
1982 0.000$ 0.338$ 0.006$ 0.001$ 0.000$ 0.076$ 0.042$ 0.003$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1982
1983 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 1983
1984 0.000$ 0.000$ 0.653$ 0.096$ 0.147$ 0.125$ 0.135$ 0.076$ 0.011$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1984
1985 0.000$ 0.996$ 0.081$ 0.004$ 0.030$ 0.019$ 0.031$ 0.006$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1985
1986 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 1986
1987 0.000$ 0.113$ 0.015$ [0.002] [ ] [ ] [ ] [ ] [ ] [0.000] 0.000$ 0.000$ [0.000] 176 1987
1988 0.000$ 0.018$ 0.000$ 0.005$ 0.053$ 0.098$ 0.088$ 0.035$ 0.000$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1988
1989 0.003$ 0.000$ 0.001$ 0.004$ 0.070$ 0.066$ 0.141$ 0.104$ 0.022$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1989
1990 0.000$ 0.000$ 0.008$ 0.000$ 0.000$ 0.000$ 0.001$ 0.053$ 0.004$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1990
1991 0.000$ 0.059$ 0.000$ 0.000$ 0.000$ 0.260$ 0.174$ 0.093$ 0.015$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1991
1992 0.000$ 0.000$ 0.000$ 0.000$ 0.204$ 0.154$ 0.109$ 0.078$ 0.055$ 0.000$ 0.000$ 0.000$ 0.000$ 0 1992
1993 0.000$ 0.433& 0.125^ 0.127^ 0.145^ 0.150^ 0.202^ 0.192^ 0.125^ 0.017^ 0.000^ 0.000^ 0.000^ 0 1993
1994 0.000^ 0.004^ 0.048^ 0.000^ 0.000^ 0.045^ 0.090^ 0.086^ 0.015^ 0.000^ 0.000^ 0.000^ 0.000^ 0 1994
1995 0.000^ 0.000^ 1.925$ 0.192^ 0.161^ 0.192^ 0.273^ 0.210^ 0.135^ 0.029^ 0.000! 0.000! 0.000! 0 1995
1996 0.000! 0.000^ 0.000^ 0.000^ 0.121^ 0.139^ 0.229^ 0.147^ 0.066^ 0.000^ 0.000^ 0.000^ 0.000! 0 1996
1997 0.057^ 5.876$ 0.182^ 0.182^ 0.182^ 0.249^ 0.258^ 0.226^ 0.114^ 0.000^ 0.000^ 0.000^ 0.000^ 0 1997
1998 0.000^ 0.000^ 0.000^ 0.081^ 0.032^ 0.175^ 0.243^ 0.088^ 0.054^ 0.000^ 0.000^ 0.000^ 0.000^ 0 1998
1999 0.000^ 0.019^ 0.338& 0.522& 0.371& 0.365& 0.359& 0.286^ 0.156^ 0.121^ 0.041^ 0.002^ 0.000^ 0 1999
2000 1.056$ 0.973$ 15.09 $ 16.93 $ 1.598$ 0.629$ 0.471& 0.389& 0.280^ 0.145^ 0.078^ 0.039^ 0.039^ 0 2000
2001 0.054^ 0.553$ 0.381& 0.292^ 0.330& 0.422& 0.476& 0.350& 0.251^ 0.168^ 0.000^ 0.000^ 0.000^ 0 2001
2002 0.000^ 0.011^ 0.218^ 0.093^ 0.078^ 0.246^ 0.346& 0.289^ 0.059^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2002
822 Total
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%
Department of Water and Environmental Regulation HYMONTH V128 Output 03/05/2025
Site 708002 Fortescue River - Gregory Gorge Site 708002
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
2003 0.000^ 0.000^ 0.000^ 0.005^ 0.003^ 0.068^ 0.177^ 0.192^ 0.031^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2003
2004 0.000^ 0.000^ 0.376& 0.218^ 0.213^ 0.199^ 0.197^ 0.235^ 0.168^ 0.023^ 0.004^ 0.000^ 0.000^ 0 2004
2005 0.000^ 0.001^ 0.048^ 0.012^ 0.117^ 0.243^ 0.306& 0.299^ 0.104^ 0.015^ 0.000^ 0.000^ 0.000^ 0 2005
2006 0.000^ 0.700$ 1.264$ 3.839$ 1.558$ 1.222$ 0.905$ 0.613$ 0.443& 0.338& 0.292^ 0.221^ 0.000^ 0 2006
2007 0.215^ 0.197^ 0.252^ 0.579& 0.690& 0.659& 0.619& 0.588& 0.553& 0.553& 0.546$ 1.056& 0.197^ 0 2007
2008 1.228& 1.878$ 2.137$ 2.814$ 1.553$ 1.068$ 0.796& 0.649& 0.574& 0.380& 0.207^ 0.002^ 0.002^ 0 2008
2009 0.065^ 0.607$ 0.754$ 0.762$ 0.840$ 1.068$ 1.092$ 1.080$ 0.746$ 0.540& 0.402& 0.243^ 0.065^ 0 2009
2010 0.302& 0.389& 0.393& 0.600$ 0.620$ 0.962$ 1.020$ 0.923$ 0.693$ 0.187^ 0.038^ 0.029^ 0.029^ 0 2010
2011 0.202^ 1.352$ 1.092$ 0.867$ 1.105$ 1.130$ 1.228$ 1.056$ 0.778$ 0.566$ 0.305& 0.151^ 0.151^ 0 2011
2012 0.143^ 1.352$ 1.142$ 0.822$ 0.822$ 0.923$ 0.858$ 0.693$ 0.240^ 0.121^ 0.048^ 0.038^ 0.038^ 0 2012
2013 0.593$ 0.962$ 0.354& 0.350& 0.635$ 0.796$ 0.813$ 0.553$ 0.270^ 0.121^ 0.053^ 0.032^ 0.032^ 0 2013
2014 0.207^ 0.182^ 0.172^ 0.289^ 0.876$ 1.365$ 1.391$ 0.973$ 0.202^ 0.015^ 0.000^ 0.000^ 0.000^ 0 2014
2015 0.000^ 0.006^ 0.078^ 0.443& 0.553$ 1.168$ 0.867$ 0.708$ 0.032^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2015
2016 0.000^ 0.000^ 0.000^ 0.000^ 0.000^ 0.066^ 0.516& 0.398& 0.002^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2016
2017 0.000^ 0.723$ 0.322& 0.376& 0.380& 0.412& 0.314& 0.158^ 0.003^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2017
2018 0.000^ 0.359& 0.000^ 0.000^ 0.001^ 0.026^ 0.505& 0.433& 0.001^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2018
2019 0.000^ 0.000^ 0.000^ 0.143^ 0.147^ 0.158^ 0.296^ 0.255^ 0.000^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2019
2020 0.000^ 0.000^ 0.184^ 0.131^ 0.089^ 0.235^ 0.189^ 0.100^ 0.000^ 0.000^ 0.000^ 0.001^ 0.000^ 0 2020
2021 0.032^ 0.460& 0.398& 0.314& 0.649$ 0.739$ 0.607$ 0.363& 0.221^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2021
2022 0.000^ 0.002^ 0.000^ 0.172^ 0.207^ 0.796$ 0.723$ 0.566$ 0.384& 0.036^ 0.000^ 0.000^ 0.000^ 0 2022
2023 0.019^ 0.476& 0.493& 0.359& 0.338& 0.393& 0.593$ 0.402& 0.007^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2023
2024 0.000^ 0.002^ 0.000^ 0.273^ 0.322& 0.449& 0.607$ 0.579$ 0.072^ 0.000^ 0.000^ 0.000^ 0.000^ 0 2024
2025 0.002^ 0.091^ 0.000^ 0.011^ [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] 245 2025
822 Total
Mean [0.090] [0.349] [0.511] [0.567] 0.283! 0.339^ 0.354^ 0.292^ 0.131! [0.060] [0.035] 0.032! [0.010] Mean
Med. [0.000] [0.016] [0.048] [0.092] 0.102! 0.188^ 0.229^ 0.204^ 0.036! [0.000] [0.000] 0.000! Med.
Max [1.228] [5.876][15.09 ][16.93 ] 1.598! 1.365^ 1.391^ 1.080^ 0.778! [0.566] [0.546] 1.056! [0.197] 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 99% 99% 99% 99% 100% 100% 100% 100% 100% 100% 99% 100% 100% OK
Cnt 57 56 57 57 55 55 55 55 55 56 57 57 58 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
! ... Not reviewed / Quality not known
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%