Extreme Rainfall

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This section ranks the 65 years of annual rainfall, 
also the top 25 months and 25 days. 

ALL YEARS RANKED WETTEST TO DRIEST 

Annual rainfall totals for 1956 to 2020, listed in descending order of rainfall, showing the wettest years so far have been 2014 with 1186.1 mm of rain,  then 2012 with 1174.8 mm.

The driest years were 2011 with 540.4 mm of rain, then 1975 with 551.9 mm, and 2003/1964 with 555.4 mm.

Y Annual Rainfall mm
2014 1186.1
2012 1174.8
1960 1033.7
2013 999.1
2008 997.0
2019 988.3
2016 981.4
2000 977.0
2007 938.4
1999 898.3
1958 892.3
1980 887.7
1965 884.2
1979 879.8
1992 876.0
2020 852.4
1966 849.9
1981 849.5
1986 833.7
2002 829.5
1998 829.3
1968 826.3
2009 821.5
1969 820.1
2018 816.6
1983 814.5
2017 806.5
1972 803.5
2015 799.8
1967 798.6
2004 793.3
1977 789.1
1970 787.8
1982 777.8
1984 764.3
1987 763.8
1985 751.4
1994 746.2
1976 745.4
1974 743.9
2010 741.4
1993 732.3
1978 731.8
2001 729.9
1957 722.1
1988 720.9
1971 707.5
1997 705.3
1961 702.7
2005 683.4
2006 681.3
1989 675.4
1962 670.4
1959 670.3
1956 654.5
1963 646.0
1973 643.0
1991 623.7
1995 619.0
1990 611.0
1996 594.1
1964 555.4
2003 555.4
1975 551.9
2011 540.4

 

25 WETTEST MONTHS

Monthly rainfall totals for 1956 to 2020 listed in descending order of rainfall, showing the wettest month so far has been June 2016 with 221.2 mm of rain, over three times normal.

Y M Monthly Rainfall mm
2016 6 221.2
1976 9 204.9
2014 1 196.5
2012 6 185.6
2007 7 181.1
2007 6 170.8
2013 10 169.0
2019 6 161.5
1997 6 155.4
2012 12 151.4
2000 4 150.6
1960 1 149.2
1969 5 149.0
1984 11 148.6
2020 2 147.8
1994 9 146.4
1960 10 144.8
1965 9 144.5
1967 5 144.5
1965 12 144.1
2012 4 143.7
1967 10 143.3
2000 12 142.7
1962 8 142.1
1970 11 141.9

 

WETTEST DAYS

Daily rainfall totals for 1956 to 2020, in descending order, showing the wettest day so far has been 16th June 2016, beating the previous high on 19th August 1970 with 74.9 mm of rain, equivalent to a month's rain!

daily rainfall mm D M Y
75.0 16 6 2016
74.9 19 8 1970
72.7 14 9 1994
71.3 24 9 1976
68.0 20 7 2007
57.8 25 8 1986
53.8 6 8 1962
52.1 2 8 1969
50.0 14 6 2016
49.2 8 9 1972
44.8 8 8 1999
44.0 14 6 2007
43.9 27 12 1979
43.4 24 1 1960
43.4 22 8 1987
43.0 21 11 2016
42.4 23 9 2012
42.2 8 1 1992
41.8 16 10 1967
41.5 24 11 2012
41.1 8 9 1965
41.0 5 11 2000
40.0 12 6 2015
39.2 8 6 2016
39.2 25 5 1968
 
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