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Department of Water and Environmental Regulation HYMONTH V128 Output 21/03/2023 Site 510254 Northern Arthur River - Lake Toolibin Inflow Site 510254 Variable 1.00 Total Rainfall - Total - to agency standards in Millimetres 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 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [6.946] [6.946] [6.946] 354 1977 1978 1.654$ 31.00 0.000 18.00 28.02 57.50 79.72 23.42 31.14 11.20 5.200 29.36 $ 26.35 $ 316.2 $ 0 1978 1979 0.531$ 8.144$ 15.74 $ 9.020$ 26.84 $ 42.84 $ 31.08 30.91 34.33 " 7.640" 8.608# 3.827# 18.29 $ 219.5 $ 0 1979 1980 2.914# 59.24 # 0.642# 25.48 # 37.64 # 42.56 # 28.77 # 30.10 # 15.21 # 79.40 1.600 70.37 32.83 # 393.9 # 0 1980 1981 0.590 43.74 2.800 19.61 69.99 # 56.50 # 57.60 36.80 19.39 10.01 31.55 2.050 29.22 # 350.6 # 0 1981 1982 117.5 2.290 15.42 0.440 16.76 45.75 40.44 " 60.97 " 43.43 14.20 36.40 " 7.970" 33.46 " 401.6 " 0 1982 1983 0.270 17.94 0.920 0.870 26.40 156.5 84.67 55.40 54.76 7.170" 46.44 34.56 40.49 " 485.9 " 0 1983 1984 0.000 3.150 28.60 48.20 " 71.69 33.91 33.74 21.76 59.52 5.740 36.40 13.09 29.65 " 355.8 " 0 1984 1985 2.120 5.090 3.180 24.41 19.60 45.40 73.86 46.08 22.19 17.50 13.38 0.620 22.79 273.4 0 1985 1986 0.770 56.05 7.062$ 0.816$ 36.31 $ 79.36 $ 45.01 $ 22.92 $ 9.996$ 5.858$ 28.65 1.300 24.51 $ 294.1 $ 0 1986 1987 0.240 0.000 4.210 46.56 25.99 31.58 69.37 39.12 27.25 18.43 15.82 16.08 24.55 294.7 0 1987 1988 0.000 0.000 31.20 33.10 56.32 $ 68.98 $ 52.60 48.60 45.80 7.800 8.600 10.60 30.30 $ 363.6 $ 0 1988 1989 14.20 20.00 0.200 36.62 68.54 34.33 41.57 30.20 16.68 # 34.52 # 0.000 0.000 24.74 # 296.9 # 0 1989 1990 114.6 11.54 12.57 30.28 102.0 23.40 84.03 20.81 26.81 19.80 3.400 1.000 37.52 450.2 0 1990 1991 1.400 35.40 1.800 37.20 12.40 ! 45.32 77.46 50.65 34.10 18.62 30.58 11.17 29.68 ! 356.1 ! 0 1991 1992 3.136 28.03 36.06 29.59 ! 28.01 ! 88.55 ! 32.80 77.00 31.40 7.200 31.80 4.000 33.13 ! 397.6 ! 0 1992 1993 0.400 69.20 43.40 7.600 70.40 53.60 47.80 37.60 39.80 12.20 31.20 5.200 34.87 418.4 0 1993 1994 1.800 0.200 0.000 0.000 63.93 41.35 39.19 54.20 23.40 15.40 9.000 0.400 20.74 248.9 0 1994 1995 5.800 18.20 " 2.600 10.00 57.20 43.20 68.68 16.42 29.39 41.78 15.76 12.08 26.76 " 321.1 " 0 1995 1996 0.000 0.000 2.000 6.800 40.04 90.68 104.8 26.72 43.86 17.53 28.87 2.019 30.28 363.3 0 1996 1997 0.000 28.47 76.50 16.92 32.34 24.85 25.64 43.90 58.24 ! 61.36 ! 5.736 0.000 31.16 ! 373.9 ! 0 1997 1998 0.000 0.000 29.87 55.58 31.25 73.38 37.11 56.17 35.91 5.617 35.56 29.06 32.46 389.5 0 1998 1999 14.22 0.000 18.29 12.19 57.32 58.87 63.72 49.84 44.51 30.69 1.354 23.23 31.19 374.2 0 1999 2000 118.8 0.000 10.65 11.20 8.400 39.60 68.77 44.60 15.40 0.400 7.400 0.000 27.10 325.2 0 2000 2001 0.754 8.687 0.000 0.756 34.02 8.129 71.29 66.11 " 28.76 10.42 48.44 15.25 24.38 " 292.6 " 0 2001 2002 3.474 9.843 1.351 35.90 12.16 34.85 32.91 24.97 14.13 19.36 36.88 0.971 18.90 226.8 0 2002 2003 0.793 65.05 26.41 29.90 " 58.66 " 84.00 " 48.54 " 75.25 44.33 52.58 3.908 5.667 41.26 " 495.1 " 0 2003 2004 3.322 34.39 4.299 14.46 26.07 45.14 33.66 57.22 17.23 36.19 20.58 11.96 25.38 304.5 0 2004 2005 0.000 4.082# 37.89 # 37.07 # 79.36 # 54.26 # 14.98 40.48 45.51 14.77 11.11 2.964 28.54 # 342.5 # 0 2005 2006 144.0 23.71 2.766 28.06 6.440 18.63 35.12 39.19 10.28 8.925 16.35 7.403 28.41 340.9 0 2006 2007 13.25 0.195 2.532 36.43 16.95 30.68 90.04 34.32 25.83 21.21 0.000 23.76 24.60 295.2 0 2007 2008 0.000 12.37 14.68 69.75 57.58 19.82 83.87 6.033 39.30 54.40 17.04 10.24 32.09 385.1 0 2008 2009 21.06 6.376 35.36 1.154 20.59 63.68 54.64 40.79 32.52 10.58 17.12 0.000 25.32 303.9 0 2009 2010 0.577 5.772 77.35 3.467 29.66 25.81 30.04 15.60 2.696" 8.154" 6.563" 3.580" 17.44 " 209.3 " 0 2010 2011 19.76 " 1.932 0.000 15.15 35.73 50.30 51.66 31.07 28.83 37.09 33.42 84.04 32.42 " 389.0 " 0 2011 ------------------ 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 21/03/2023 Site 510254 Northern Arthur River - Lake Toolibin Inflow Site 510254 Variable 1.00 Total Rainfall - Total - to agency standards in Millimetres 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 8.887 6.955 4.448 2.321 29.59 52.41 13.54 20.69 42.54 5.775 29.07 75.65 24.32 291.9 0 2012 2013 6.163 6.549 37.56 5.070 45.44 9.750 44.66 27.74 80.05 24.72 2.355 2.942 24.42 293.0 0 2013 2014 7.259 0.000 17.66 17.27 83.58 28.43 " 50.80 51.40 42.20 33.20 17.80 2.200 29.32 " 351.8 " 0 2014 2015 5.400 1.200 22.80 39.20 19.20 35.00 52.80 33.60 8.800 15.00 28.60 21.60 23.60 283.2 0 2015 2016 84.60 7.000 46.20 46.80 38.40 28.80 25.40 49.00 28.00 7.200 15.40 23.00 33.32 399.8 0 2016 2017 4.000 159.2 32.00 4.600 28.00 51.20 62.60 46.60 34.60 21.00 22.40 12.80 39.92 479.0 0 2017 2018 42.40 2.600 5.800 10.60 19.80 45.80 51.00 48.60 6.600 25.40 8.800 1.000 22.37 268.4 0 2018 2019 0.400 0.000 11.00 10.40 9.400 64.00 40.40 78.60 7.000 12.20 2.200 0.400 19.67 236.0 0 2019 2020 0.000 36.60 30.00 5.600 26.20 25.20 26.20 40.60 26.40 3.200 25.20 0.000 20.43 245.2 0 2020 2021 1.800 26.00 52.40 43.00 98.00 24.60 126.2 53.00 22.40 30.20 1.000 1.400 40.00 480.0 0 2021 2022 0.000 3.400 30.40 22.00 38.00 55.80 53.00 67.00 25.80 41.60 8.000 0.000 28.75 345.0 0 2022 2023 4.200 0.000 [3.600] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [2.600] [7.800] 287 2023 Mean 16.81 $ 18.69 $[18.27 ] 21.32 ! 40.00 ! 47.43 ! 52.93 $ 41.60 $ 30.58 ! 20.96 ! 17.90 #[12.86 ] [27.37 ][326.3 ] Mean Med. 1.960$ 6.978$[11.78 ] 17.27 ! 32.34 ! 45.14 ! 50.80 $ 40.60 $ 28.83 ! 15.40 ! 15.82 # [5.434] Med. Max 144.0 $159.2 $[77.35 ] 69.75 !102.0 !156.5 !126.2 $ 78.60 $ 80.05 ! 79.40 ! 48.44 #[84.04 ] [41.26 ][495.1 ] Max Min 0.000$ 0.000$ [0.000] 0.000! 6.440! 8.129! 13.54 $ 6.033$ 2.696! 0.400! 0.000# [0.000] [2.600] [6.946] Min Total 773.1 $ 859.6 $[840.2 ] 959.4 !1800 !2134 !2382 $1872 $1376 ! 943.3 ! 805.5 #[591.8 ] [1286 ][15337 ] 641 Total OK 100% 100% 99% 100% 100% 100% 100% 100% 100% 100% 100% 99% 100% 100% OK Cnt 46 46 46 45 45 45 45 45 45 45 45 46 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% [ ... Not Available