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 25/09/2023 Site 509385 Kent River - Rocky Glen Site 509385 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 1979 [ ] [ ] [ ] [ ] [ ] [ ] [ ] [4.160] 87.66 74.13 91.22 12.41 [53.92 ][269.6 ] 239 1979 1980 7.730 25.34 9.670 82.41 38.63 86.15 118.2 94.43 59.84 95.97 57.08 10.20 57.14 685.6 0 1980 1981 5.440 4.720 17.50 56.55 95.01 149.1 129.1 120.8 55.06 36.17 ! 47.98 [2.350] [59.98 ][719.7 ] 29 1981 1982 [107.5 ] 21.86 41.34 12.91 41.41 [88.94 ][30.63 ] 59.84 53.77 26.65 43.23 14.39 [45.20 ][542.4 ] 36 1982 1983 5.770 41.99 5.830 27.84 62.32 104.9 100.9 117.9 95.01 48.63 42.78 32.31 57.19 686.3 0 1983 1984 2.601 20.14 20.70 28.50 127.7 97.61 96.43 150.8 74.32 30.00 91.75 20.65 63.43 761.2 0 1984 1985 18.65 8.330 8.290 70.00 57.51 95.26 91.44 161.8 80.69 50.07 38.20 21.30 58.46 701.5 0 1985 1986 1.570 51.75 28.70 13.76 79.59 65.30 121.5 81.10 73.67 61.05 17.74 6.710 50.20 602.4 0 1986 1987 6.910 1.150 30.17 126.7 99.46 45.77 121.9 59.59 44.65 43.11 75.29 17.80 56.04 672.5 0 1987 1988 12.09 1.510 36.31 25.28 244.7 168.4 107.6 128.7 102.8 69.19 36.04 16.00 79.04 948.5 0 1988 1989 81.40 55.00 22.14 51.40 61.41 85.27 122.0 98.60 69.60 103.2 34.80 10.80 66.30 795.6 0 1989 1990 27.22 33.37 45.95 78.97 61.08 87.27 167.1 78.46 55.60 89.20 29.00 13.40 63.88 766.6 0 1990 1991 12.20 22.60 25.40 23.20 77.00 109.6 137.2 104.6 79.40 28.80 74.60 18.60 59.43 713.2 0 1991 1992 8.800 13.80 13.60 19.20 82.80 98.40 81.80 148.0 96.40 62.80 103.8 21.80 62.60 751.2 0 1992 1993 5.039 5.600 65.00 37.00 130.2 36.80 131.2 117.9 66.44 74.68 45.87 4.704 60.04 720.5 0 1993 1994 2.940 8.803 1.886 16.35 142.3 73.57 80.42 " 76.42 " 48.92 " 66.69 27.55 1.039 45.57 " 546.9 " 0 1994 1995 5.024 9.724 20.78 18.91 98.89 100.9 133.2 80.91 94.04 71.03 57.92 62.15 62.78 753.4 0 1995 1996 12.11 2.335 15.96 24.71 56.43 115.2 211.8 88.79 164.3 70.49 44.55 54.89 71.80 861.5 0 1996 1997 10.72 63.26 18.85 17.35 72.05 92.06 93.20 104.0 97.92 28.98 30.84 11.07 53.35 640.3 0 1997 1998 5.440 3.376 106.6 57.55 79.93 111.4 102.5 138.1 145.1 33.39 16.89 30.73 ! 69.25 ! 831.0 ! 0 1998 1999 11.29 3.636 36.94 17.23 152.2 143.7 100.3 95.84 119.0 57.62 18.86 29.03 65.47 785.7 0 1999 2000 76.02 34.57 57.68 40.30 43.65 85.60 155.6 109.7 # 35.28 # 30.47 # 19.68 # 11.32 " 58.32 # 699.9 # 0 2000 2001 14.05 " 3.514" 18.93 " 11.52 "100.5 " 74.56 55.88 84.82 109.9 31.33 68.99 112.0 57.17 " 686.0 " 0 2001 2002 7.656 8.421 10.14 71.69 46.56 113.5 109.8 90.51 79.85 65.20 23.81 14.30 53.45 641.4 0 2002 2003 10.75 42.64 55.06 59.70 73.10 91.23 112.3 135.4 121.5 86.85 38.50 16.20 70.27 843.2 0 2003 2004 10.48 24.02 27.55 19.15 74.35 145.4 77.36 126.0 40.26 22.03 42.34 4.347 51.11 613.3 0 2004 2005 4.913 54.43 89.77 152.9 92.80 133.6 55.10 98.04 109.4 74.91 40.65 33.25 78.31 939.7 0 2005 2006 28.50 15.96 43.32 36.48 35.53 44.51 99.40 87.92 48.87 46.65 27.81 10.80 43.81 525.7 0 2006 2007 17.68 11.78 46.55 78.76 46.15 44.97 121.1 116.2 89.69 74.45 16.22 131.9 66.29 795.5 0 2007 2008 10.01 9.009 58.86 82.48 90.15 93.96 166.6 33.75 76.79 68.69 121.0 51.46 71.90 862.8 0 2008 2009 5.147 20.58 40.60 27.07 77.56 177.5 122.5 77.36 117.6 20.86 62.57 4.213 62.79 753.4 0 2009 2010 10.97 6.927 25.59 33.65 52.17 52.36 88.59 74.55 42.87 48.37 52.93 37.75 43.89 526.7 0 2010 2011 87.83 9.864 7.380" 59.22 " 65.46 " 95.55 "138.5 " 92.71 " 98.01 "114.8 " 73.31 34.84 73.12 " 877.5 " 0 2011 2012 33.84 16.72 2.618 38.27 69.68 $114.2 45.51 116.0 83.63 43.31 65.33 23.00 54.34 $ 652.0 $ 0 2012 2013 18.00 7.800 43.00 41.80 96.80 58.80 82.40 122.2 180.0 47.60 34.00 39.00 64.28 771.4 0 2013 ------------------ 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 25/09/2023 Site 509385 Kent River - Rocky Glen Site 509385 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 2014 2.000 3.800 11.80 17.40 121.2 79.00 143.2 64.80 72.40 70.60 45.20 6.600 53.17 638.0 0 2014 2015 13.40 9.400" 40.60 " 81.60 " 42.80 " 66.00 "112.0 " 69.60 " 38.80 " 38.40 " 12.20 " 29.00 " 46.15 " 553.8 " 0 2015 2016 104.4 22.80 36.80 79.40 110.6 114.4 109.2 166.2 86.20 55.60 13.60 27.00 77.18 926.2 0 2016 2017 3.400 49.60 55.80 8.600 38.00 20.20 154.0 104.0 113.4 86.00 22.00 25.60 56.72 680.6 0 2017 2018 15.20 8.000 19.40 29.00 43.80 69.20 125.2 151.2 29.80 39.40 30.00 22.60 48.57 582.8 0 2018 2019 12.00 2.800 49.80 57.40 44.60 85.60 70.60 103.2 47.40 48.80 20.80 7.200 45.85 550.2 0 2019 2020 22.20 27.20 37.40 34.20 96.60 77.80 75.20 128.4 87.80 22.80 91.80 25.60 60.58 727.0 0 2020 2021 19.80 70.60 41.20 84.40 102.4 75.20 172.0 72.20 91.40 76.80 57.60 7.200 72.57 870.8 0 2021 2022 2.800 7.000 21.20 60.80 61.80 69.00 91.00 108.6 56.00 105.8 72.40 2.400 54.90 658.8 0 2022 2023 11.60 4.800 28.00 95.20 45.60 169.6 [80.00 ] [ ] [ ] [ ] [ ] [ ] [62.11 ][434.8 ] 163 2023 Mean [20.30 ] 19.78 " 32.74 " 47.88 " 80.28 $[93.34 ][110.0 ][101.0 ] 82.29 # 57.76 ! 47.24 #[24.77 ] [59.73 ][701.5 ] Mean Med. [11.13 ] 10.82 " 28.35 " 37.63 " 73.72 $[90.09 ][109.5 ][100.9 ] 80.27 # 56.61 ! 42.56 #[18.20 ] Med. Max [107.5 ] 70.60 "106.6 "152.9 "244.7 $[177.5 ][211.8 ][166.2 ]180.0 #114.8 !121.0 #[131.9 ] [79.04 ][948.5 ] Max Min [1.570] 1.150" 1.886" 8.600" 35.53 $[20.20 ][30.63 ] [4.160] 29.80 # 20.86 ! 12.20 # [1.039] [43.81 ][269.6 ] Min Total[893.0 ] 870.5 "1441 "2107 "3533 $[4107 ][4841 ][4444 ]3621 #2542 !2079 #[1090 ] [2688 ][31567 ] 467 Total OK 99% 100% 100% 100% 100% 100% 98% 98% 100% 100% 100% 98% 99% 99% OK Cnt 44 44 44 44 44 44 44 44 44 44 44 44 45 45 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