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Department of Water and Environmental Regulation HYMONTH V128 Output 07/10/2026
Site 610008 Margaret River North - Whicher Range Site 610008
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
1977 [ ] [ ] [ ] [ ] [0.000] 0.000# 27.70 #200.3 "120.2 "186.6 " 58.33 # 1.743# [74.35 ][594.8 ] 125 1977
1978 0.000# 0.000# 0.000# 0.000# 0.000# 1.156#224.1 #218.9 "344.1 "306.6 "138.3 " 40.63 # 106.1 #1274 # 0 1978
1979 1.026# 0.000# 0.000# 0.000# 0.000# 0.726# 92.03 #127.4 "130.4 "121.3 " 48.50 # 2.370# 43.65 # 523.8 # 0 1979
1980 0.000# 0.000# 0.000# 0.000# 0.000# 0.000#263.2 #382.1 "297.3 "221.6 " 69.16 # 6.798# 103.3 #1240 # 0 1980
1981 0.000# 0.000# 0.000# 0.000# 0.000# 0.000# 75.21 #382.4 "330.5 "196.1 "171.0 " 40.80 # 99.66 #1196 # 0 1981
1982 0.005# 0.000# 0.000# 0.000# 0.000# 3.254#256.4 "199.1 "175.4 "102.8 " 12.08 # 0.000# 62.41 # 748.9 # 0 1982
1983 0.000# 0.000# 0.000# 0.000# 0.000# 0.000# 93.59 #512.7 "981.1 #283.0 "119.8 " 11.27 # 166.8 #2002 # 0 1983
1984 0.000# 0.000# 0.000# 0.000# 0.000# 19.85 #202.5 "372.6 "426.0 "171.7 "196.6 " 89.11 " 123.2 #1478 # 0 1984
1985 29.36 # 0.351# 0.000# 0.000# 0.000# 55.24 #237.4 "498.6 "413.8 "208.8 "112.6 " 7.577# 130.3 #1564 # 0 1985
1986 0.000# 0.000# 0.000# 0.000# 0.000# 0.000#119.6 #485.6 "283.1 "163.5 " 43.57 # 0.046# 91.29 #1096 # 0 1986
1987 0.000# 0.000# 0.000# 0.000# 0.000# 0.000# 48.92 #103.5 " 65.45 # 22.41 # 3.728# 0.000# 20.33 # 244.0 # 0 1987
1988 0.000# 0.000# 0.000# 0.000# 0.000#317.1 #586.8 "739.7 "622.8 "452.3 "210.8 " 41.26 # 247.6 #2971 # 0 1988
1989 0.048# 0.000# 0.000# 0.000# 0.000# 0.000# 69.58 #232.0 "244.0 "239.5 " 67.23 # 1.347# 71.13 # 853.6 # 0 1989
1990 0.000# 0.000# 0.000# 0.000# 0.000# 0.000#192.8 #361.8 "278.3 "221.6 "152.2 " 41.39 # 104.0 #1248 # 0 1990
1991 3.752# 0.000# 0.000# 0.000# 18.97 #231.0 "480.9 "568.0 "459.5 "254.7 "162.1 " 20.73 # 183.3 #2200 # 0 1991
1992 0.003# 0.000# 0.000# 0.000# 0.000# 24.16 #292.9 "508.0 "468.3 "207.5 "156.8 " 31.54 # 140.8 #1689 # 0 1992
1993 0.000# 0.000# 0.000# 0.000# 0.000# 0.000#172.1 #427.5 "418.3 "266.6 "100.0 # 3.190# 115.6 #1388 # 0 1993
1994 0.000# 0.000# 0.000# 0.000# 0.000# 6.522#241.7 "252.3 "191.3 "108.6 " 9.809# 0.000# 67.51 # 810.2 # 0 1994
1995 0.000# 0.000# 0.000# 0.000# 0.000# 0.000#413.5 #706.5 "462.6 "265.5 "135.0 " 91.30 # 172.9 #2074 # 0 1995
1996 14.76# 0.00# 0.00# 0.00# 0.00# 14.69# 647.7 " 859.8 #1039 # 535.7 " 251.3 " 280.2 " 303.6 # 3643 # 0 1996
1997 32.26# 0.02# 0.00# 0.00# 0.00# 307.8 # 362.3 " 974.4 $ 771.6 # 286.1 " 173.4 " 72.87# 248.4 $ 2981 $ 0 1997
1998 14.63# 0.02# 5.09# 0.00# 20.37# 227.0 # 247.7 " 554.6 # 669.2 # 326.5 " 104.9 " 10.28# 181.7 # 2180 # 0 1998
1999 0.00# 0.00# 0.00# 0.00# 0.00# 394.2 #1074 $ 718.4 " 889.7 # 833.6 $[158.8 ] [ ] [369.9 ][4069 ] 32 1999
2000 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2000
2001 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2001
2002 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2002
2003 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 365 2003
2004 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] 366 2004
2005 [ ] [ ] [ ] [ ] [ ] [121.1 ]357.3 "455.8 "625.0 "494.6 "237.6 "136.3 " [346.8 ][2428 ] 173 2005
2006 47.71 # 6.677# 0.000" 0.000" 0.000" 0.000" 26.64 #268.5 "183.4 " 87.12 # 13.60 # 0.590# 52.86 # 634.3 # 0 2006
2007 0.000" 0.000" 0.000" 0.000" 0.000" 0.000" 53.74 #324.0 "395.6 "227.4 $ 60.52 $ 9.940# 89.26 $1071 $ 0 2007
2008 0.000" 0.000" 0.000" 0.000" 0.000" 0.000"182.5 #204.9 "142.5 "128.9 " 67.47 # 4.117# 60.87 # 730.4 # 0 2008
2009 0.000" 0.000" 0.000" 0.000" 0.000" 0.000"286.6 #376.0 "454.6 "234.3 "118.8 " 12.10 # 123.5 #1482 # 0 2009
2010 0.000" 0.000" 0.000" 0.000" 0.000& 0.000& 0.000& 0.480& 5.000& 0.048& 0.000& 0.000& 0.461& 5.528& 0 2010
2011 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 10.35 &152.6 &177.0 &106.4 & 22.76 & 0.017& 39.09 & 469.1 & 0 2011
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
" ... 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 07/10/2026
Site 610008 Margaret River North - Whicher Range Site 610008
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
2012 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 32.01 & 29.85 & 5.739& 0.000& 5.633& 67.60 & 0 2012
2013 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 32.63 &321.7 &544.6 &240.1 & 46.03 & 5.562& 99.22 &1191 & 0 2013
2014 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 95.14 &207.6 &287.7 &135.9 & 26.71 & 0.436& 62.79 & 753.5 & 0 2014
2015 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 22.41 & 67.28 & 10.94 & 0.312& 0.000& 8.412& 100.9 & 0 2015
2016 0.000& 0.000& 0.000& 0.000& 0.000& 0.000&278.3 &588.4 &448.2 &315.2 & 98.63 & 9.430& 144.8 &1738 & 0 2016
2017 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000&251.1 &183.1 &143.5 & 51.11 & 15.54 & 53.70 & 644.4 & 0 2017
2018 1.260& 0.000& 0.000& 0.000& 0.000& 2.317&187.3 &422.9 &264.4 &143.0 & 23.82 & 0.044& 87.09 &1045 & 0 2018
2019 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 6.343& 41.69 & 12.63 & 0.888& 0.000& 5.129& 61.55 & 0 2019
2020 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 1.552^ 1.197& 0.000& 0.000& 0.229^ 2.749^ 0 2020
2021 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 65.66 &285.1 &215.3 &164.1 & 35.33 & 0.146& 63.80 & 765.6 & 0 2021
2022 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 34.55 &114.5 & 38.31 & 8.789& 0.001& 16.35 & 196.2 & 0 2022
2023 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& [0.000] 15.52 &206.6 & 51.88 & 0.284& 0.000& [22.86 ][274.3 ] 1 2023
2024 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 2.225&438.6 &249.3 &142.9 & 28.04 & 0.354& 71.79 & 861.4 & 0 2024
2025 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 19.51 &236.4 &327.5 &146.8 & 58.56 & 0.513& 65.78 & 789.4 & 0 2025
2026 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& 0.000& [0.000] [ ] [ ] [0.000] [0.000] 87 2026
Mean 3.368& 0.164& 0.118& 0.000& [0.894][38.36 ][178.2 ]333.3 &334.4 ^[196.4 ][80.93 ] 23.01 & [103.3 ][1186 ] Mean
Med. 0.000& 0.000& 0.000& 0.000& [0.000] [0.000][95.14 ]321.7 &283.1 ^[171.7 ][59.54 ] 3.190& Med.
Max 47.71& 6.68& 5.09& 0.00& [20.37][394.2 ][1074 ] 974.4 &1039 ^[833.6 ][251.3 ] 280.2 & [369.9 ][4069 ] 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] [0.00] Min
Total 144.8& 7.1& 5.1& 0.0& [39.3][1726 ][8021 ]14999 &15048 ^[8837 ][3561 ] 989.6& [4648 ][53378 ] 2245 Total
OK 100% 100% 100% 100% 100% 98% 100% 100% 100% 98% 100% 100% 100% 100% OK
Cnt 43 43 43 43 44 45 45 45 45 45 44 43 45 45 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
$ ... Relative Uncertainty +/-20%
& ... Relative Uncertainty +/-30%
[ ... Not Available
^ ... Relative Uncertainty +/-50%