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Department of Water and Environmental Regulation HYMONTH V128 Output 13/04/2026
Site 708001 Marillana Creek - Flat Rocks Site 708001
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
1967 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.00] 0.00" 0.00" 57.76" 16.82" [14.92] [74.59] 227 1967
1968 894.0 "3099 " 169.6 " 2.29" 3.53" 716.7 " [30.71] [1.48] 12.17" 5.39" 0.00" 0.00" [411.3 ][4935 ] 32 1968
1969 0.00"1187 " 9.69" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 99.69" 1196 " 0 1969
1970 [0.00] [0.00] 0.00" 0.00" 34.08" 13.32" 2.51" 0.52" 1.24" 0.00" 0.00" 0.00" [4.31] [51.68] 22 1970
1971 317" 18395" 104" 6" 3" 4805" 10" 5" 2" 1" 0" 0" 1971" 23648" 0 1971
1972 0" 58" 1" 0" 0" 0" 0" 39" 79" 8" 0" 1993" 181" 2177" 0 1972
1973 42337" 179" 6365" 154" 142" [172] [ ] [ ] [4] 14" 0" 30" [4940] [49396] 90 1973
1974 3951" 91" 544" 623" 37" 34" 25" 33" 10" 3" 0" [0] [446] [5352] 11 1974
1975 [0] 66" [39] [44] 27" 9" 0" 0" 0" 0" 0" 144287" [12039] [144472] 11 1975
1976 58.3" 9.6"10922 " 55.3" 48.1" 36.4" 16.0" 12.6" 9.4" 5.0" 0.4" 0.0" 931.1" 11173 " 0 1976
1977 0.0" 0.0" 45.7! 7.0" 0.2" 5.1" 34.5" 47.6! 0.0! 0.0! 0.0" 1.6! 11.8! 141.7! 0 1977
1978 1066 ! 4218 ! 9.4! 5.9! 0.7! 0.0! [0.7] [ ] [ ] [0.7] 0.0" 0.0" [530.1] [5301 ] 90 1978
1979 0.0" 9.2" 3227 ! 15.8" 12.2" 8.7" 3.8" 4.5" 0.6" 0.0" 0.0" 0.0" 273.5! 3282 ! 0 1979
1980 [0.0] [225.1] 67.1" 485.3" 37.0" 27.6" 31.6" 23.7" 3.5! 0.0! 0.0" 0.0" [75.1] [900.9] 36 1980
1981 1410 " [64.2] [90.2] 28.0" 15.1" 21.6" 17.7" 10.2" 3.0" 0.0" 0.0" 6.9" [138.9] [1667 ] 31 1981
1982 758.1! 7546 ! 50.1" 129.9! 22.4" 29.6" 25.2" 25.1" 16.3" 2.9" 0.0" 0.0" 717.1! 8605 ! 0 1982
1983 0.0" 522.1! 32.2" 1113 ! 7.7" 1.6" 0.5" 0.0" 0.0" 0.0" 0.0" 130.7" 150.6! 1807 ! 0 1983
1984 3.3" 0.0"24700 ! 674.9$ 201.2" 34.5" 1841 $ 37.3" 15.2" 3.4" 0.0" 206.0$ 2310 ! 27717 ! 0 1984
1985 927.1$ 3424 $ 431.3$ 3.9" 6.3" 5.1" 2.1" 0.6" 0.0" 0.0" 0.0" 0.0" 400.0$ 4800 $ 0 1985
1986 0.0" 4.8" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 195.9" 16.7" 200.8" 0 1986
1987 685.8$ 1096 $ 2.3" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.3" 148.7$ 1785 $ 0 1987
1988 2705 $10350 $ 1671 $ 97.5" 3118 $ 30.1" 38.0" 50.0" 30.7" 0.1" 0.0" 2680 $ 1731 $ 20770 $ 0 1988
1989 38.8" 274.2" 8.5" 697.0$ 32.8" 70.9" 17.5" 0.8" 0.1" 0.0" 0.0" 0.0" 95.0$ 1141 $ 0 1989
1990 3140 $ 12.1" 1.6" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 262.8$ 3153 $ 0 1990
1991 5.4" 0.0" 0.0" 0.0" 0.0" 19.6" 13.0" 4.6" 0.0" 0.0" 0.0" 0.0" 3.6" 42.6" 0 1991
1992 1046 $ 1.0" 6.9" 15.3" 8.9" 7.0" 0.1" 8.6" 1.0" 0.0" 0.0" 0.0" 91.2$ 1094 $ 0 1992
1993 589.4$ 2131 $ 0.4" 0.0" 2.3" 519.5$ 18.1" 13.7" 1.5" 0.0" 0.0" 419.2$ 308.0$ 3696 $ 0 1993
1994 0.0" 555.3" 8.5" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 3915 $ 373.2$ 4479 $ 0 1994
1995 27.1"16595 $ 153.5$ 13.9$ 8.3$ 3244 $ 166.5$ 8.8$ 2.6" 0.0" 0.0" 5.8" 1685 $ 20225 $ 0 1995
1996 0.1" 0.0" 0.0" 113.8" 2.9" 2.1" 2.7" 0.0" 0.0" 0.0" 0.0" 0.2" 10.1" 121.8" 0 1996
1997 11941 $ 8043 $ 57.2" 34.6" 74.8" 25.0" 27.4" 26.8" 19.9" 5.8" 0.0" 0.0" 1688 $ 20256 $ 0 1997
1998 0.0" 0.0" 0.0" 0.0" 0.0" 0.0" 5.9" 0.5" 0.0" 0.0" 0.0" 1704 $ 142.5$ 1710 $ 0 1998
1999 634.9$ 1398 $ 2291 $ 338.9" 36.7" 26.2" 20.1" 11.5" 6.0" 2.0" 0.0"19629 $ 2033 $ 24395 $ 0 1999
2000 3854 $ 3037 $10738 $ 1018 " 259.0" 162.3" 144.0" 136.3" 108.4" 99.7" 138.3" 98.4" 1649 $ 19793 $ 0 2000
2001 888.8 $1196 $ 104.6 " 72.57" 98.60" 94.87" 97.70" 84.14" 71.51" 59.86" 39.68" 25.09" 236.1 $ 2833 $ 0 2001
------------------ 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%
[ ... Not Available
Department of Water and Environmental Regulation HYMONTH V128 Output 13/04/2026
Site 708001 Marillana Creek - Flat Rocks Site 708001
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
2002 16.0" 1948 $ 159.3" 51.9" 49.5" 52.9" 55.5" 51.4" 43.0" 33.5" 24.3" 4334 $ 568.3$ 6819 $ 0 2002
2003 29537 $ 491.4$ 50.1" 56.9" 47.4" 44.0" 42.2" 41.2" 30.3" 21.6" 22.8" 16.9" 2533 $ 30402 $ 0 2003
2004 82.7" 1533 $ 216.3" 100.4" 77.3" 41.2" 63.8" 49.0" 39.0" 40.1" 108.3" 69.8" 201.8$ 2421 $ 0 2004
2005 3.8" 8.2" 21.3" 2.0" 1.2" 3.5" 46.1" 18.1" 15.3" 6.5" 0.0" 196.6$ 26.9$ 322.5$ 0 2005
2006 2647 $7191 $2445 $ 764.3 " 57.99" 54.71" 49.97" 42.79" 55.02" 55.10" 36.07" 19.17" 1118 $13419 $ 0 2006
2007 8.14" 0.00" 337.5 $ 19.36" 13.42" 13.67" 21.36" 18.59" 9.18" 3.49" 0.00" 0.00" 37.06$ 444.7 $ 0 2007
2008 3314 $1155 $ 618.2 $ 55.71" 21.61" 36.36" 29.62" 26.50" 21.57" 8.46" 0.00" 118.6 " 450.5 $ 5405 $ 0 2008
2009 502.7 $ 366.7 "3305 $ 11.90" 223.5 $ 46.51" 30.32" 16.00" 6.87" 0.02" 2.26" 0.00" 376.0 $ 4512 $ 0 2009
2010 0.00" 8.06" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.01" 4.75" 1.07" 12.81" 0 2010
2011 141.3 "3040 $ 291.3 " 8.01" 1.73" 0.03" 2.09" 0.23" 0.00" 0.00" 0.00" 563.7 $ 337.4 $ 4048 $ 0 2011
2012 8233 $ 207.5 "1032 $ 58.35" 9.65" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 203.0 " 812.0 $ 9744 $ 0 2012
2013 373.6 " 21.90"1735 $ 3.15" 0.00" 7.96" 12.06" 1.32" 0.00" 0.00" 0.00"1146 $ 275.1 $ 3301 $ 0 2013
2014 7625 $ 77.63" 0.65" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 641.9 $ 7703 $ 0 2014
2015 5.36" 9.74"1727 $ 8.66" 42.69" 11.32" 3.26" 1.46" 0.02" 0.00" 0.00" 0.00" 150.8 $ 1810 $ 0 2015
2016 626.6 $ 187.0 " 4.99" 0.00" 0.00" 238.8 " 3.98" 0.08" 0.00" 0.00" 0.00" 24.23" 90.47$ 1086 $ 0 2016
2017 850.9 $ 590.2 " 127.1 " 500.3 " 1.90" 0.03" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 172.5 $ 2070 $ 0 2017
2018 2522 $ 344.9 " 0.61" 0.00" 0.00" 0.15" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 239.0 $ 2868 $ 0 2018
2019 50.00" 78.97" 0.00" 0.00" 0.00" 0.00" 0.00" 0.55" 0.00" 0.00" 0.00" 0.02" 10.80" 129.5 " 0 2019
2020 5818 $1851 $ 30.92" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.14# 641.7 $ 7700 $ 0 2020
2021 268.6 $2233 $ 0.07$ 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 208.5 $ 2502 $ 0 2021
2022 0.00" 559.3 $ 417.0 $ 5.72" 0.46" 0.00" 0.00" 0.00" 0.14" 0.00" 0.00" 0.00" 81.89$ 982.7 $ 0 2022
2023 0.00" 0.00" 5.70" 0.08" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.48" 5.78" 0 2023
2024 0.00" 0.00" 160.5 " 0.00" 0.00" 10.03" 0.00" 0.00" 12.36" 0.00" 169.7 "2610 $ 246.9 $ 2962 $ 0 2024
2025 11.89" 0.66" 3.53" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.05" 1.34" 16.14" 0 2025
2026 0.613" 65.09 " 0.000" [0.000] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [16.43 ] [65.70 ] 264 2026
Mean [2371 ][1792 ][1263 ][125.4 ] 82.56 ![184.2 ][51.80 ][14.98 ][10.87 ] [6.432] 10.17 "[3130 ] [756.0 ][8886 ] Mean
Med. [141.3 ][225.1 ][50.14 ] [8.011] 4.894! [9.395] [3.977] [1.457] [0.392] [0.000] 0.000" [0.308] Med.
Max [42337 ][18395 ][24700 ][1113 ]3118 ![4805 ][1841 ][136.3 ][108.4 ] [99.65] 169.7 "[144287] [12039 ][144472 ] 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] [0.48] [5.78] Min
Total[139916][105756][74539 ][7397 ]4788 ![10682 ][2953 ][854.0 ][630.4 ][379.5 ] 599.8 "[184652] [45360 ][533147 ] 814 Total
OK 98% 98% 99% 99% 100% 100% 99% 98% 99% 99% 100% 99% 99% 99% OK
Cnt 59 59 59 59 58 58 57 57 58 59 59 59 60 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%
[ ... Not Available