Water Information Reporting
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 505011 Marillana Creek - Flat Rocks Site 505011
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
1972 [ ] [ ] [ ] [ ] [ ] [0.000] 47.60 16.80 0.000 0.000 7.900 12.80 [12.16 ] [85.10 ] 181 1972
1973 [39.70 ] [3.200]131.5 [0.100] [ ] [ ] [ ] [ ] [0.100] 3.900 7.600 71.30 [32.17 ][257.4 ] 181 1973
1974 132.6 63.30 51.40 39.50 10.80 0.100 9.500 22.80 10.00 13.50 3.700 79.40 36.38 436.6 0 1974
1975 14.10 62.20 84.10 15.80 0.400 11.30 10.20 0.000 0.000 24.60 16.10 478.5 59.77 717.3 0 1975
1976 40.30 28.00 166.3 34.20 0.100 0.000 0.800 0.000 5.068 9.532 0.100 10.10 24.54 294.5 0 1976
1977 23.20 4.300 54.90 4.700 0.300 14.10 3.300 0.000 0.000 0.000 11.50 31.90 12.35 148.2 0 1977
1978 43.10 125.2 44.76 11.44 34.70 5.600 20.50 104.2 0.000 17.20 26.40 2.700 36.32 435.8 0 1978
1979 25.90 66.90 136.3 17.80 21.60 0.600 0.000 19.80 1.000 4.400 0.700 42.70 28.14 337.7 0 1979
1980 221.9 224.0 20.80 69.00 15.60 26.60 44.00 2.400 0.000 4.500 9.900 20.00 54.89 658.7 0 1980
1981 130.4 98.70 61.30 2.000 5.700 7.000 20.90 0.000 0.000 0.600 1.600 57.20 32.12 385.4 0 1981
1982 212.0 160.2 0.900 24.00 45.50 [0.600] 1.400 27.10 21.70 5.503 12.70 64.40 [48.00 ][576.0 ] 2 1982
1983 27.00 79.70 [0.000] [0.000] 0.000 8.100 0.700 0.000 0.600 0.000 10.50 48.10 [14.56 ][174.7 ] 40 1983
1984 28.00 53.96 167.4 25.70 63.60 0.100 81.70 8.700 0.300 1.000 1.500 83.50 42.96 515.5 0 1984
1985 71.40 49.50 20.80 29.90 10.40 1.700 4.500 0.000 0.000 0.200 3.000 4.800 16.35 196.2 0 1985
1986 54.40 82.00 8.300 2.000 1.200 34.00 0.800 0.000 29.30 0.200 0.000 10.10 18.53 222.3 0 1986
1987 90.30 101.9 0.000 [0.000] [ ] [ ] [3.400] 0.000 0.000 0.100 0.700 32.10 [22.85 ][228.5 ] 113 1987
1988 64.30 87.10 120.8 42.60 111.5 3.100 0.500 10.40 0.000 1.900 1.400 121.0 47.05 564.6 0 1988
1989 30.80 86.20 4.600 66.20 20.20 61.20 3.000 0.000 0.000 0.000 0.200 2.400 22.90 274.8 0 1989
1990 137.6 6.400 9.000 0.000 0.200 9.600 4.800 2.000 0.000 0.600 2.800 2.200 14.60 175.2 0 1990
1991 29.20 12.40 14.00 3.600 22.40 69.80 12.60 0.000 0.000 1.600 0.200 1.600 13.95 167.4 0 1991
1992 45.20 12.80 41.80 57.20 6.400 12.00 1.400 32.80 0.200 3.000 0.000 8.800 18.47 221.6 0 1992
1993 94.20 86.20 0.200 20.20 37.20 65.00 2.000 31.80 0.000 0.000 2.000 38.60 31.45 377.4 0 1993
1994 38.60 123.6 0.000 0.000 0.000 5.200 0.000 0.000 0.000 0.200 0.200 90.00 21.48 257.8 0 1994
1995 9.400 265.0 63.20 32.00 13.40 84.00 20.20 0.000 4.000 2.000 4.600 65.00 46.90 562.8 0 1995
1996 3.599 11.20 15.20 77.60 2.600 17.20 13.00 7.600 0.000 18.20 0.000 58.20 18.70 224.4 0 1996
1997 307.0 208.4 0.400 28.80 57.00 0.200 5.800 23.60 0.800 0.600 4.200 24.00 55.07 660.8 0 1997
1998 4.200 17.40 15.00 28.60 2.000 52.00 53.60 15.40 0.000 1.400 4.400 131.6 27.13 325.6 0 1998
1999 58.00 184.6 175.4 76.60 27.00 5.400 2.800 0.000 0.000 7.000 0.200 240.0 64.75 777.0 0 1999
2000 324.4 235.2 216.4 81.40 18.60 0.000 0.000 0.400 0.000 0.000 49.80 49.40 81.30 975.6 0 2000
2001 169.0 106.2 4.200 20.80 13.17 11.96 17.25 0.000 1.764 1.176 0.196 0.000 28.81 345.7 0 2001
2002 11.37 189.5 14.11 0.000 22.39 6.369 0.000 0.000 0.000 0.000 9.457 172.0 35.43 425.2 0 2002
2003 233.5 48.64 25.48 44.20 2.600 13.80 0.000 8.600 0.000 0.000 11.60 7.000 32.95 395.4 0 2003
2004 51.40 155.8 76.40 39.60 23.20 0.000 15.73 0.000 0.388 10.10 57.29 31.46 38.45 461.4 0 2004
2005 4.661 30.88 11.46 1.553 0.390 2.744 86.04 16.86 0.000 0.000 0.196 93.10 20.66 247.9 0 2005
2006 146.8 212.5 152.7 76.44 1.764 4.507 0.000 0.000 64.09 38.02 11.56 33.91 61.85 742.3 0 2006
------------------ 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 25/09/2023
Site 505011 Marillana Creek - Flat Rocks Site 505011
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
2007 30.18 31.95 64.09 11.37 0.000 0.000 11.80 0.000 0.000 2.376 0.396 9.306 13.46 161.5 0 2007
2008 78.41 47.72 70.29 2.178 0.594 29.30 2.970 13.66 2.376 6.338 22.80 81.20 29.82 357.8 0 2008
2009 71.00 118.4 94.20 0.800 11.20 9.600 0.400 0.000 0.000 0.200 35.80 3.600 28.77 345.2 0 2009
2010 24.20 72.00 5.600 3.400 0.800 0.600 3.000 12.60 45.80 0.200 40.80 37.80 20.57 246.8 0 2010
2011 64.80 90.20 24.80 4.400 19.62 # 32.76 # 15.36 0.000 0.000 2.496 16.70 9.024 23.35 # 280.2 # 0 2011
2012 215.2 14.40 59.52 3.456 0.000 0.384 0.000 0.000 0.000 11.45 11.45 96.42 34.36 412.3 0 2012
2013 89.63 40.16 40.93 0.582 20.76 " 78.79 " 0.000" 0.000" 0.000" 15.57 " 11.80 "192.0 " 40.85 " 490.2 " 0 2013
2014 251.7 " 4.954" 12.97 " 0.944" 41.99 " 3.067" 21.76 " 0.000 0.000 11.15 50.46 14.08 34.42 " 413.1 " 0 2014
2015 70.61 51.64 193.5 62.20 118.5 0.391 20.54 0.000 0.000 0.960 18.82 0.576 44.81 537.7 0 2015
2016 143.8 34.37 7.872 0.960 18.43 106.0 19.01 0.400 0.000 0.000 10.00 86.20 35.59 427.0 0 2016
2017 158.6 158.6 69.60 43.20 5.000 0.000 0.000 0.000 0.000 56.20 # 0.000" 8.943" 41.68 # 500.1 # 0 2017
2018 162.5 " 58.13 " 22.13 " 0.000" 0.000"101.3 " 0.000" 0.000" 0.000" 4.200 4.800" 1.000 29.50 " 354.1 " 0 2018
2019 96.80 46.60 " 31.80 " 21.00 " 0.000" 27.60 " 0.000" 22.40 0.000 6.200 2.800 33.60 24.07 " 288.8 " 0 2019
2020 183.0 140.8 15.60 6.200 21.40 0.000 6.200 1.200 13.00 2.200 11.00 127.4 44.00 528.0 0 2020
2021 52.80 152.8 29.40 40.00 14.60 12.20 0.000 0.000 0.000 0.000 15.40 5.200 26.87 322.4 0 2021
2022 11.40 121.8 33.00 10.40 91.80 1.000 0.400 1.400 80.20 2.000 0.000 1.000 29.53 354.4 0 2022
2023 55.00 45.00 51.20 16.80 0.000 11.40 0.000 0.400 [0.000] [ ] [ ] [ ] [19.98 ][179.8 ] 99 2023
Mean [91.71 ][88.48 ][53.64 ][23.56 ] 19.52 #[18.96 ][11.56 ] 7.908" [5.398] 5.737# 10.34 " 57.40 " [32.61 ][385.6 ] Mean
Med. [64.30 ][72.00 ][31.80 ][16.80 ] 11.20 # [6.685] [3.000] 0.000" [0.000] 1.900# 4.600" 33.60 " Med.
Max [324.4 ][265.0 ][216.4 ][81.40 ]118.5 #[106.0 ][86.04 ]104.2 "[80.20 ] 56.20 # 57.29 "478.5 " [81.30 ][975.6 ] Max
Min [3.599] [3.200] [0.000] [0.000] 0.000# [0.000] [0.000] 0.000" [0.000] 0.000# 0.000" 0.000" [12.16 ] [85.10 ] Min
Total[4677 ][4513 ][2736 ][1201 ] 956.6 #[948.2 ][589.5 ] 403.3 "[280.7 ] 292.6 # 527.2 "2927 " [1696 ][20052 ] 616 Total
OK 99% 100% 99% 96% 100% 98% 98% 100% 98% 100% 100% 100% 99% 99% OK
Cnt 51 51 51 51 49 50 51 51 52 51 51 51 52 52 Cnt
------------------ Notes -------------------
All recorded data is continuous and reliable
except where the following tags are used...
" ... Relative Uncertainty +/-10%
# ... Relative Uncertainty +/-15%
[ ... Not Available