Northern_Ireland Raindays>=1.0mm Areal series, starting from 1961 Allowances have been made for topographic, coastal and urban effects where relationships are found to exist. Seasons: Winter=Dec-Feb, Spring=Mar-May, Summer=June-Aug, Autumn=Sept-Nov. (Winter: Year refers to Jan/Feb). Values are ranked and displayed to 1 dp. Where values are equal, rankings are based in order of year descending. Data are provisional from January 2018 and Winter 2018. Last updated 04/06/2019. Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC WIN SPR SUM AUT ANN 1961 16.7 16.8 9.0 19.0 11.6 11.9 9.8 17.4 18.3 18.5 13.5 12.7 --- 39.7 39.2 50.4 175.5 1962 20.2 12.5 12.5 11.5 13.2 11.6 10.5 20.2 18.6 8.2 12.1 14.9 45.4 37.2 42.3 38.9 165.9 1963 7.2 6.3 17.6 13.8 19.4 14.8 14.0 18.0 14.6 19.4 19.3 6.7 28.4 50.8 46.8 53.2 171.2 1964 9.9 9.2 12.5 15.1 14.6 12.8 12.2 15.7 15.6 16.0 15.5 19.1 25.8 42.2 40.7 47.1 168.2 1965 17.7 5.1 15.3 17.5 15.3 16.9 14.5 16.5 13.7 12.3 16.9 22.7 41.9 48.1 47.9 42.9 184.4 1966 11.4 19.9 17.7 14.0 16.6 17.2 12.9 12.4 12.1 16.6 16.6 25.3 54.0 48.3 42.5 45.2 192.5 1967 16.7 14.8 19.1 10.2 19.9 8.8 14.9 15.8 18.5 23.7 15.9 18.5 56.7 49.3 39.5 58.2 196.8 1968 19.3 10.6 14.5 12.6 13.5 12.7 6.4 10.1 18.8 17.8 12.3 14.2 48.3 40.6 29.2 48.9 162.7 1969 20.9 15.0 6.8 11.8 17.9 13.4 10.2 13.3 10.0 12.1 17.4 16.4 50.1 36.5 36.8 39.5 165.1 1970 17.3 17.0 18.4 18.4 9.5 11.2 17.3 8.8 20.5 18.6 22.1 11.7 50.7 46.3 37.3 61.2 190.8 1971 14.7 13.4 11.1 7.9 12.1 14.8 10.5 15.9 8.1 13.4 17.3 8.0 39.7 31.0 41.2 38.7 147.0 1972 18.0 13.7 13.6 14.1 20.0 17.8 12.6 9.7 5.0 9.4 18.4 17.0 39.8 47.7 40.1 32.8 169.4 1973 16.4 15.2 9.1 12.3 15.2 9.1 13.6 16.8 11.9 10.4 16.8 19.1 48.6 36.5 39.5 39.1 165.8 1974 22.3 16.6 9.2 3.0 14.8 11.3 16.5 15.8 20.6 17.2 18.6 22.4 57.9 27.0 43.5 56.4 188.1 1975 23.3 7.2 12.5 16.1 5.1 6.4 12.4 11.5 20.8 11.8 14.4 10.4 52.9 33.8 30.3 47.0 152.1 1976 21.9 10.8 14.8 8.0 20.9 10.8 12.0 3.8 12.5 18.5 12.2 14.6 43.1 43.7 26.7 43.2 160.8 1977 14.3 19.5 16.5 18.0 7.1 10.7 12.1 10.7 14.1 16.4 20.9 17.9 48.3 41.6 33.5 51.4 178.1 1978 20.4 11.9 22.5 9.3 8.3 12.3 13.6 12.9 17.0 13.3 18.6 18.7 50.2 40.1 38.8 48.9 178.7 1979 15.7 8.4 16.6 18.0 19.9 12.0 11.6 17.8 13.5 20.5 21.9 18.7 42.8 54.5 41.3 55.9 194.6 1980 16.3 16.7 19.2 4.7 7.1 19.5 16.5 15.0 21.2 18.4 15.4 22.3 51.7 31.0 50.9 55.0 192.2 1981 18.9 12.5 19.0 7.1 21.2 13.7 15.4 10.1 18.6 21.6 16.1 15.3 53.6 47.3 39.2 56.3 189.5 1982 15.3 16.0 18.9 6.7 13.2 14.4 7.0 17.1 15.9 18.5 22.3 21.2 46.6 38.8 38.5 56.7 186.5 1983 20.8 8.9 19.9 11.7 16.7 10.1 5.3 7.8 16.7 19.4 8.1 19.9 50.9 48.3 23.1 44.3 165.3 1984 22.9 14.4 11.6 8.1 6.1 10.0 7.8 10.2 19.2 18.6 16.1 17.7 57.3 25.8 27.9 53.9 162.8 1985 12.8 6.5 16.0 15.7 12.5 15.1 17.7 27.2 17.4 9.1 14.1 16.7 37.1 44.2 60.0 40.6 180.8 1986 24.1 1.8 21.5 13.3 22.1 9.6 17.9 15.8 3.3 16.5 18.0 22.8 42.6 56.8 43.3 37.8 186.6 1987 10.3 10.6 18.6 10.1 10.2 16.7 10.6 13.4 15.9 14.4 14.4 12.0 43.7 38.9 40.7 44.7 157.3 1988 22.2 16.8 23.1 8.1 10.0 6.4 22.8 18.4 15.3 17.8 9.5 13.7 51.0 41.2 47.6 42.6 184.1 1989 14.5 19.2 20.1 13.6 8.1 10.2 7.2 18.1 11.1 20.7 10.5 11.4 47.4 41.7 35.5 42.3 164.6 1990 22.3 23.3 13.8 13.7 9.1 17.3 11.0 15.6 11.3 21.2 14.0 15.3 57.1 36.6 43.9 46.6 188.0 1991 15.5 11.4 16.6 15.0 3.6 17.7 12.7 10.3 9.8 16.0 20.0 10.4 42.3 35.2 40.7 45.7 159.1 1992 8.7 18.2 23.0 18.9 10.8 5.2 16.2 19.9 15.3 14.2 23.0 12.5 37.4 52.7 41.2 52.6 185.9 1993 23.5 7.8 13.0 17.4 15.2 11.2 18.6 11.0 13.7 8.0 10.9 24.2 43.9 45.6 40.8 32.6 174.5 1994 23.2 15.8 25.0 16.2 8.1 13.8 13.2 14.2 13.1 12.5 14.7 22.3 63.2 49.3 41.3 40.3 192.2 1995 21.4 20.2 20.0 9.6 12.8 5.8 14.8 5.6 13.9 17.6 15.2 10.2 63.9 42.5 26.2 46.8 167.3 1996 15.5 13.4 9.3 16.8 15.8 10.0 13.3 12.7 7.4 21.2 19.0 9.4 39.1 41.8 35.9 47.6 163.7 1997 6.6 20.6 11.4 7.1 14.3 13.1 15.6 12.0 12.2 11.9 17.7 17.5 36.6 32.8 40.6 41.8 160.0 1998 16.4 11.5 15.3 18.6 8.8 18.1 18.0 16.2 14.8 20.5 20.1 21.0 45.4 42.7 52.3 55.4 199.3 1999 21.0 16.7 14.4 17.1 12.9 13.6 12.5 15.0 19.0 12.5 14.6 24.0 58.7 44.4 41.1 46.1 193.4 2000 13.9 21.3 11.0 16.0 13.7 11.7 8.2 15.3 18.9 22.5 23.5 16.5 59.3 40.7 35.2 64.9 192.4 2001 11.4 12.3 11.9 14.4 9.5 13.2 11.3 17.8 13.2 20.3 15.8 12.0 40.1 35.8 42.4 49.3 163.1 2002 18.8 21.7 13.6 14.5 18.2 19.4 16.2 10.4 7.4 17.2 23.6 13.2 52.5 46.3 46.0 48.2 194.2 2003 16.9 11.1 10.3 10.0 22.4 12.7 16.0 6.0 13.5 12.1 15.8 15.4 41.2 42.6 34.7 41.5 162.2 2004 18.4 9.6 13.8 15.7 7.5 15.5 13.1 15.4 16.2 17.7 13.4 18.8 43.4 37.1 44.0 47.3 175.1 2005 18.6 11.1 13.1 13.9 16.4 11.2 9.0 13.7 15.9 15.6 16.5 14.3 48.4 43.5 34.0 48.0 169.3 2006 11.0 9.2 18.3 15.7 16.4 7.0 9.8 16.7 17.0 17.0 19.0 20.4 34.4 50.4 33.5 53.1 177.5 2007 19.4 15.7 13.4 4.5 14.0 15.5 20.2 14.5 10.6 9.5 17.3 16.6 55.5 31.8 50.2 37.4 171.2 2008 22.9 12.4 21.8 12.5 5.8 13.9 15.5 20.7 14.1 20.8 15.4 13.9 51.9 40.1 50.1 50.3 189.7 2009 16.4 10.1 15.1 17.4 19.1 9.2 20.8 20.5 9.1 15.2 21.7 14.4 40.4 51.6 50.5 46.1 189.1 2010 14.8 10.7 10.4 9.6 10.6 7.3 18.3 13.2 19.0 11.4 16.9 9.8 39.9 30.7 38.8 47.3 152.0 2011 12.4 19.2 10.0 7.9 20.6 15.8 11.5 14.1 18.9 21.1 16.9 26.0 41.4 38.5 41.4 56.9 194.4 2012 17.3 13.4 7.1 14.2 11.0 19.1 17.3 17.2 15.9 15.5 15.9 20.0 56.7 32.3 53.5 47.3 183.7 2013 20.9 11.0 12.2 13.9 15.8 12.3 9.6 13.4 11.7 18.0 14.0 19.8 51.9 41.9 35.3 43.7 172.6 2014 23.6 23.3 18.4 9.2 15.7 9.4 14.9 20.3 3.2 17.9 14.5 20.7 66.8 43.3 44.5 35.7 191.1 2015 21.9 12.9 16.0 9.9 18.8 10.0 18.8 17.1 7.9 9.8 21.9 26.3 55.4 44.8 45.9 39.6 191.4 2016 23.6 17.6 14.3 15.2 10.7 15.0 19.0 14.0 16.7 7.2 11.7 11.8 67.5 40.3 48.0 35.6 176.9 2017 10.3 14.2 16.1 8.7 11.8 15.1 17.3 18.1 20.8 16.5 19.1 18.1 36.3 36.6 50.5 56.4 186.1 2018 22.1 14.1 14.4 16.1 9.9 6.9 9.7 18.7 13.7 12.1 16.7 17.8 54.3 40.3 35.3 42.5 172.1 2019 14.4 10.9 19.1 11.0 12.3 43.0 42.4