England_SE_and_Central_S Days of Air Frost 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 9.7 0.7 6.3 0.2 0.8 0.0 0.0 0.0 0.0 0.8 5.8 16.9 --- 7.3 0.0 6.6 41.2 1962 8.9 9.9 18.7 1.6 1.2 0.7 0.0 0.0 0.1 1.0 7.7 19.3 35.8 21.5 0.7 8.7 69.0 1963 29.8 25.4 7.1 1.8 0.2 0.0 0.0 0.0 0.0 0.1 2.2 17.1 74.5 9.2 0.0 2.3 83.8 1964 11.3 9.1 8.7 2.2 0.1 0.0 0.0 0.0 0.0 2.6 3.9 14.9 37.5 11.0 0.1 6.5 52.9 1965 13.7 13.7 11.1 2.3 0.6 0.0 0.0 0.0 0.0 0.9 12.0 8.7 42.3 14.1 0.0 12.9 63.1 1966 15.5 3.0 5.8 2.2 0.2 0.0 0.0 0.0 0.0 0.7 5.6 6.2 27.3 8.1 0.0 6.3 39.1 1967 11.0 8.6 2.2 2.9 1.6 0.0 0.0 0.0 0.0 0.2 6.6 13.2 25.8 6.6 0.0 6.9 46.3 1968 12.8 17.2 5.5 8.6 0.6 0.0 0.0 0.0 0.0 0.1 3.9 13.5 43.2 14.8 0.0 4.0 62.3 1969 6.5 18.0 10.5 6.1 0.2 0.0 0.0 0.0 0.3 0.5 8.9 13.4 38.0 16.8 0.0 9.7 64.4 1970 9.7 13.5 15.2 7.5 0.1 0.0 0.0 0.0 0.0 1.2 2.4 13.8 36.6 22.8 0.0 3.6 63.4 1971 7.8 9.0 9.8 2.6 1.3 0.0 0.0 0.0 0.1 1.7 9.7 4.2 30.7 13.6 0.0 11.4 46.2 1972 9.5 4.0 6.0 0.9 0.3 0.0 0.0 0.0 0.3 1.3 7.5 5.0 17.7 7.1 0.0 9.1 34.8 1973 10.0 12.4 10.8 3.5 0.7 0.0 0.0 0.0 0.0 2.5 10.6 9.9 27.5 14.9 0.0 13.1 60.4 1974 3.5 5.5 7.0 2.5 1.1 0.0 0.0 0.0 0.2 1.4 1.5 1.6 18.9 10.5 0.0 3.2 24.3 1975 2.5 8.0 7.3 5.7 0.6 0.1 0.0 0.0 0.2 0.6 7.5 11.7 12.0 13.6 0.1 8.2 44.1 1976 9.0 9.5 11.6 4.7 0.3 0.0 0.0 0.0 0.0 0.2 5.5 16.3 30.2 16.6 0.0 5.7 57.0 1977 13.8 5.1 4.3 6.6 1.1 0.0 0.0 0.0 0.1 0.1 6.0 3.2 35.1 12.0 0.0 6.2 40.2 1978 12.5 14.7 5.1 5.3 0.1 0.0 0.0 0.0 0.0 0.2 5.5 11.1 30.3 10.5 0.0 5.8 54.6 1979 24.7 17.7 7.3 4.4 3.7 0.0 0.0 0.0 0.2 0.6 7.0 6.9 53.5 15.4 0.0 7.8 72.5 1980 18.4 5.0 7.1 2.4 0.9 0.0 0.0 0.0 0.0 2.3 7.1 9.2 30.3 10.4 0.0 9.4 52.3 1981 11.5 17.5 2.1 3.5 1.1 0.0 0.0 0.0 0.0 2.0 3.5 18.3 38.2 6.7 0.0 5.5 59.6 1982 12.8 7.0 6.9 3.3 2.3 0.0 0.0 0.0 0.0 0.6 3.8 10.9 38.2 12.5 0.0 4.4 47.7 1983 3.2 18.2 5.3 3.9 0.1 0.0 0.0 0.0 0.0 3.1 5.7 9.1 32.4 9.3 0.0 8.8 48.7 1984 10.1 9.9 6.4 7.1 1.0 0.0 0.0 0.0 0.0 0.7 1.9 9.5 29.0 14.4 0.0 2.6 46.5 1985 23.4 15.2 13.0 2.8 0.2 0.0 0.0 0.0 0.0 1.0 12.6 5.1 48.1 16.0 0.0 13.6 73.4 1986 11.9 24.8 9.9 5.5 0.2 0.0 0.0 0.0 0.4 0.5 1.3 7.1 41.8 15.5 0.0 2.2 61.5 1987 20.2 13.6 14.5 0.5 0.5 0.0 0.0 0.0 0.1 1.6 3.1 7.0 40.9 15.4 0.0 4.9 61.1 1988 5.6 7.7 4.4 4.5 0.1 0.0 0.0 0.0 0.1 1.5 12.9 2.1 20.2 9.0 0.0 14.6 39.0 1989 6.8 6.0 2.5 4.0 0.2 0.1 0.0 0.0 0.0 0.1 7.3 5.8 14.8 6.7 0.1 7.3 32.6 1990 3.0 0.8 3.2 5.4 0.2 0.0 0.0 0.0 0.1 0.3 3.0 9.9 9.7 8.8 0.0 3.4 26.1 1991 9.6 19.1 3.7 3.2 0.8 0.3 0.0 0.0 0.1 1.1 5.2 11.1 38.6 7.6 0.3 6.3 54.0 1992 13.7 10.4 1.0 2.1 0.1 0.0 0.0 0.0 0.0 4.0 2.1 10.9 35.2 3.3 0.0 6.1 44.3 1993 5.6 5.6 8.4 0.9 0.4 0.0 0.0 0.0 0.1 3.5 11.2 5.0 22.1 9.6 0.0 14.8 40.7 1994 7.1 11.4 2.1 1.6 0.2 0.0 0.0 0.0 0.0 1.0 0.2 7.6 23.4 3.9 0.0 1.2 31.1 1995 8.2 2.1 11.1 3.3 1.0 0.0 0.0 0.0 0.0 0.2 5.7 13.7 17.9 15.5 0.0 6.0 45.4 1996 6.7 17.8 9.2 4.8 2.5 0.0 0.0 0.0 0.0 0.1 11.6 12.3 38.2 16.5 0.0 11.8 65.1 1997 17.6 4.4 2.1 4.7 1.1 0.0 0.0 0.0 0.0 5.0 3.7 7.6 34.2 7.9 0.0 8.7 46.1 1998 8.5 6.1 3.0 3.3 0.2 0.0 0.0 0.0 0.0 0.5 5.8 8.3 22.3 6.5 0.0 6.4 35.9 1999 5.0 7.7 3.9 3.9 0.1 0.0 0.0 0.0 0.0 0.7 1.3 8.5 21.0 7.8 0.0 2.0 31.0 2000 11.7 5.1 4.0 3.1 0.1 0.0 0.0 0.0 0.0 0.1 2.3 6.4 25.2 7.2 0.0 2.5 32.8 2001 12.0 10.7 5.2 2.0 0.2 0.0 0.0 0.0 0.0 0.0 5.4 16.5 29.1 7.4 0.0 5.4 52.0 2002 7.9 3.2 3.8 1.7 0.2 0.0 0.0 0.0 0.0 1.6 0.6 3.3 27.6 5.7 0.0 2.2 22.4 2003 12.1 13.1 5.6 5.5 0.2 0.0 0.0 0.0 0.4 3.5 2.3 8.1 28.4 11.3 0.0 6.2 50.7 2004 8.9 10.3 5.6 1.3 0.1 0.0 0.0 0.0 0.0 0.1 2.8 8.9 27.3 7.0 0.0 2.9 38.1 2005 4.4 10.5 7.9 2.4 1.2 0.0 0.0 0.0 0.1 0.0 11.4 13.1 23.9 11.5 0.0 11.5 51.0 2006 9.3 9.9 10.9 3.0 0.2 0.0 0.0 0.0 0.0 0.0 4.4 5.6 32.3 14.1 0.0 4.5 43.5 2007 4.4 6.4 3.9 1.2 0.1 0.0 0.0 0.0 0.1 1.8 5.6 10.8 16.4 5.2 0.0 7.5 34.3 2008 2.8 11.4 5.0 5.4 0.1 0.0 0.0 0.0 0.0 1.9 3.3 13.7 25.0 10.5 0.0 5.2 43.7 2009 15.7 11.7 6.4 1.0 0.2 0.0 0.0 0.0 0.0 0.4 0.5 13.9 41.1 7.6 0.0 0.9 49.9 2010 19.5 11.1 8.3 3.0 1.7 0.0 0.0 0.0 0.1 2.4 9.9 24.1 44.6 12.9 0.0 12.4 80.1 2011 10.2 3.4 7.5 0.3 0.3 0.0 0.0 0.0 0.0 0.8 1.3 5.2 37.7 8.1 0.0 2.1 29.0 2012 7.6 14.3 3.1 4.4 0.3 0.0 0.0 0.0 0.0 1.5 4.8 10.5 27.2 7.9 0.0 6.3 46.6 2013 12.9 11.4 14.9 6.8 0.6 0.0 0.0 0.0 0.0 0.1 4.4 4.4 34.8 22.4 0.0 4.5 55.6 2014 5.1 0.7 4.4 0.7 0.3 0.0 0.0 0.0 0.0 0.1 2.4 10.6 10.2 5.4 0.0 2.6 24.4 2015 10.6 10.3 3.6 1.8 0.1 0.0 0.0 0.0 0.0 0.2 2.5 0.2 31.5 5.5 0.0 2.8 29.5 2016 7.0 9.3 7.2 4.3 0.7 0.0 0.0 0.0 0.0 0.2 5.6 8.6 16.6 12.3 0.0 5.8 43.0 2017 16.3 3.5 0.6 2.6 0.4 0.0 0.0 0.0 0.0 0.2 5.6 10.7 28.3 3.6 0.0 5.8 40.0 2018 4.4 15.1 8.2 0.3 0.3 0.0 0.0 0.0 0.2 2.0 2.8 3.8 30.2 8.9 0.0 4.9 37.1 2019 13.5 8.0 1.5 3.4 0.4 25.2 5.4