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Department of Water and Environmental Regulation HYMONTH V128 Output 21/01/2025 Site 508032 Irwin River - Mountain Bridge Site 508032 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 1982 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [0.000] [0.000] [0.000] 342 1982 1983 0.190 0.890 0.150 5.920 31.46 155.1 156.4 86.35 46.17 3.160 64.10 2.200 46.00 552.0 0 1983 1984 1.730 41.40 74.95 69.30 191.6 31.88 58.89 68.01 64.88 12.50 36.55 10.57 55.19 662.3 0 1984 1985 1.940 13.10 15.16 2.010 38.69 52.35 85.15 89.24 38.26 8.770 8.240 18.50 30.95 371.4 0 1985 1986 18.71 81.20 7.760 8.090 137.1 192.6 158.1 54.34 16.13 19.33 3.560 0.000 58.08 696.9 0 1986 1987 0.000 0.090 17.96 39.52 35.23 115.8 135.0 55.06 26.16 37.00 28.20 0.600 40.88 490.6 0 1987 1988 0.400 1.600 16.00 42.00 121.6 111.0 114.0 71.60 27.60 25.60 25.64 6.903 46.99 563.9 0 1988 1989 0.836 21.81 1.128 48.81 83.60 42.40 61.24 " 26.54 52.83 22.40 0.400 3.200 30.43 " 365.2 " 0 1989 1990 48.20 3.400 7.200 53.28 69.78 67.62 92.91 75.80 41.60 41.80 1.999 6.200 42.48 509.8 0 1990 1991 0.000 2.563 0.000 40.47 30.60 156.6 148.0 46.96 44.04 28.26 50.27 37.90 48.81 585.7 0 1991 1992 4.344 2.800 44.00 39.60 19.40 135.2 33.20 203.2 62.40 21.60 20.80 3.400 49.16 589.9 0 1992 1993 0.000 2.200 0.000 5.630 78.24 71.34 86.60 97.60 42.60 19.00 26.00 0.000 35.77 429.2 0 1993 1994 1.200 5.200 0.000 2.400 76.80 85.00 44.00 88.40 19.60 11.40 0.200 0.200 27.87 334.4 0 1994 1995 3.800 6.400 15.40 41.60 59.34 91.34 148.0 17.84 26.46 25.87 9.016 1.568 37.22 446.6 0 1995 1996 0.000 5.742 0.198 [10.94 ] [ ] [ ] [115.0 ]102.4 72.20 15.40 17.80 " 1.400" [34.11 ][341.1 ] 73 1996 1997 0.000 1.200 0.600 147.2 52.02 45.10 78.53 96.13 51.82 15.43 16.03 0.000 42.00 504.0 0 1997 1998 0.200 0.000 10.60 20.00 102.8 146.2 126.6 38.00 45.60 12.20 0.796 25.05 44.00 528.0 0 1998 1999 0.000 1.392 127.2 24.85 196.4 162.4 115.5 43.71 62.13 28.22 0.784 1.818 63.71 764.5 0 1999 2000 3.838 0.404 33.13 23.43 30.47 59.61 122.6 85.44 20.66 8.544 1.987 2.338 32.70 392.4 0 2000 2001 0.000 1.987 0.000 0.596 143.7 35.73 128.1 30.59 62.88 39.80 15.40 0.600 38.27 459.3 0 2001 2002 14.80 0.000 1.600 21.80 30.19 93.74 66.90 84.07 31.97 22.03 1.563 0.195 30.74 368.8 0 2002 2003 0.196 0.390 19.15 12.90 89.86 91.20 69.60 107.8 74.80 10.40 12.40 0.000 40.72 488.7 0 2003 2004 0.200 1.600 0.400 6.800 81.49 71.01 79.66 61.57 49.30 13.86 9.702 0.200 31.32 375.8 0 2004 2005 0.000 0.000 29.22 " 12.68 " 85.28 "159.6 " 30.03 " 90.81 " 38.53 " 19.23 2.747 1.177 39.11 " 469.3 " 0 2005 2006 40.81 11.17 5.584 12.01 27.50 9.165 82.10 49.92 34.52 10.62 2.163 22.22 25.65 307.8 0 2006 2007 25.17 1.573 1.376 11.21 19.46 42.07 88.08 45.81 38.96 23.79 1.399 12.39 25.94 311.3 0 2007 2008 0.000 34.78 2.583 45.54 21.60 59.74 147.3 3.513 39.80 33.20 14.20 2.000 33.69 404.3 0 2008 2009 0.389 0.194 0.000 0.000 39.85 98.59 152.3 71.84 52.77 14.11 11.27 0.188 36.80 441.6 0 2009 2010 0.187 0.000 21.03 36.06 54.27 26.17 72.03 84.62 7.872 1.574 0.591 11.52 26.33 315.9 0 2010 2011 32.79 42.72 0.596 11.92 74.12 68.16 93.03 102.2 59.09 # 47.97 13.26 " 2.882" 45.73 # 548.7 # 0 2011 2012 13.23 # 1.875# 0.000 11.25 14.63 118.3 54.00 35.25 34.50 8.997 30.62 13.36 28.00 # 336.0 # 0 2012 2013 13.73 0.000 36.38 9.280 94.84 14.11 56.00 105.8 62.04 26.72 1.098 0.000 35.00 420.0 0 2013 2014 2.562 4.575 7.137 49.40 60.61 58.33 80.18 58.89 96.67 7.037 3.519 0.000 35.74 428.9 0 2014 2015 0.370 31.67 46.30 35.74 21.48 38.89 78.34 38.80 18.33 5.070 11.12 2.345 27.37 328.5 0 2015 2016 28.46 5.301 12.17 66.55 48.68 101.5 110.3 82.01 24.56 13.47 5.150 0.792 41.59 499.0 0 2016 ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% [ ... Not Available Department of Water and Environmental Regulation HYMONTH V128 Output 21/01/2025 Site 508032 Irwin River - Mountain Bridge Site 508032 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 2017 29.00 24.00 22.40 0.600 19.40 36.80 77.60 89.20 54.60 12.20 4.600 11.80 31.85 382.2 0 2017 2018 23.40 1.000 0.600 1.600 57.00 56.20 109.2 83.20 11.00 19.20 1.000 3.400 30.57 366.8 0 2018 2019 1.400 0.200 5.600 13.60 2.400 163.4 40.40 47.60 9.000 14.80 0.400 1.000 24.98 299.8 0 2019 2020 0.200 38.20 6.400 5.400 27.60 64.40 58.60 108.0 17.60 2.600 42.60 0.000 30.97 371.6 0 2020 2021 0.000 43.20 5.800 31.20 82.60 83.60 146.0 38.28 28.57 73.60 2.081 0.189 44.59 535.1 0 2021 2022 0.000 2.081 30.46 31.03 30.08 57.14 112.0 127.3 45.40 17.20 13.60 2.000 39.03 468.3 0 2022 2023 1.200 0.000 17.00 13.20 47.60 78.20 54.00 36.40 20.60 2.000 1.000 0.200 22.62 271.4 0 2023 2024 0.000 14.60 1.000 0.000 21.80 124.6 165.2 69.20 10.60 41.00 12.00 31.00 40.92 491.0 0 2024 2025 [4.800] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [4.800] [4.800] 346 2025 Mean [7.402] 10.77 # 15.34 "[25.37 ] 62.22 " 84.69 "[95.97 ] 71.41 " 40.12 # 19.93 12.52 " [5.612] [35.88 ][427.8 ] Mean Med. [0.836] 2.141# 6.769"[13.40 ] 52.02 " 71.34 "[87.34 ] 71.72 " 39.38 # 16.31 8.628" [1.818] Med. Max [48.20 ] 81.20 #127.2 "[147.2 ]196.4 "192.6 "[165.2 ]203.2 " 96.67 # 73.60 64.10 "[37.90 ] [63.71 ][764.5 ] Max Min [0.000] 0.000# 0.000" [0.000] 2.400" 9.165"[30.03 ] 3.513" 7.872# 1.574 0.200" [0.000] [0.000] [0.000] Min Total[318.3 ] 452.5 # 644.3 "[1065 ]2551 "3472 "[4031 ]2999 "1685 # 836.9 525.8 "[241.3 ] [1579 ][18823 ] 761 Total OK 99% 100% 100% 99% 100% 100% 100% 100% 100% 100% 100% 99% 100% 100% OK Cnt 43 42 42 42 41 41 42 42 42 42 42 43 44 44 Cnt ------------------ Notes ------------------- All recorded data is continuous and reliable except where the following tags are used... " ... Relative Uncertainty +/-10% # ... Relative Uncertainty +/-15% [ ... Not Available