England_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 9.6 0.8 5.0 0.3 0.7 0.0 0.0 0.0 0.0 0.9 5.7 16.7 --- 6.0 0.0 6.6 39.6 1962 8.2 9.5 19.1 1.6 1.0 0.6 0.0 0.0 0.0 1.1 7.8 18.6 34.4 21.7 0.6 9.0 67.5 1963 28.9 25.6 7.1 1.5 0.3 0.0 0.0 0.0 0.0 0.1 2.2 15.8 73.1 8.9 0.0 2.3 81.5 1964 12.5 9.3 9.3 2.0 0.1 0.0 0.0 0.0 0.1 2.5 3.9 15.2 37.6 11.4 0.0 6.4 54.8 1965 14.0 12.4 11.5 2.5 0.6 0.0 0.0 0.0 0.0 0.7 11.6 8.4 41.6 14.5 0.0 12.3 61.8 1966 14.9 4.8 5.4 2.6 0.2 0.0 0.0 0.0 0.0 0.8 5.6 6.1 28.1 8.2 0.0 6.5 40.5 1967 10.2 7.8 2.3 2.7 1.5 0.0 0.0 0.0 0.0 0.2 6.8 12.2 24.2 6.4 0.0 7.0 43.7 1968 11.5 17.8 6.0 8.2 0.7 0.0 0.0 0.0 0.0 0.1 4.0 12.8 41.5 14.9 0.0 4.0 61.0 1969 6.6 18.1 11.5 5.7 0.2 0.1 0.0 0.0 0.4 0.2 8.0 12.9 37.5 17.5 0.1 8.6 63.8 1970 10.1 13.5 14.9 7.1 0.1 0.0 0.0 0.0 0.0 1.2 2.4 12.7 36.5 22.1 0.0 3.6 62.0 1971 7.5 8.6 9.2 2.9 1.3 0.0 0.0 0.0 0.1 1.2 9.6 4.0 28.8 13.4 0.0 10.9 44.4 1972 9.6 4.8 5.8 0.8 0.2 0.0 0.0 0.0 0.2 1.2 7.2 4.8 18.4 6.8 0.0 8.6 34.6 1973 9.4 11.3 9.5 3.6 0.6 0.0 0.0 0.0 0.0 2.3 9.4 9.8 25.6 13.6 0.0 11.8 56.0 1974 4.1 5.5 6.6 2.6 1.0 0.0 0.0 0.0 0.2 1.2 2.0 1.5 19.5 10.2 0.0 3.4 24.8 1975 2.7 7.7 7.5 5.3 0.7 0.1 0.0 0.0 0.2 0.8 7.0 9.7 11.8 13.5 0.1 8.0 41.6 1976 8.5 9.6 11.4 4.1 0.3 0.0 0.0 0.0 0.0 0.2 5.2 16.5 27.8 15.8 0.0 5.4 55.9 1977 14.1 5.2 4.1 5.8 0.9 0.1 0.0 0.0 0.0 0.1 5.9 2.8 35.8 10.8 0.1 6.0 38.9 1978 11.6 15.0 4.8 5.6 0.1 0.0 0.0 0.0 0.0 0.3 5.2 11.5 29.4 10.6 0.0 5.5 54.2 1979 24.7 19.0 7.5 3.9 3.7 0.0 0.0 0.0 0.2 0.6 6.6 6.7 55.1 15.1 0.0 7.4 72.9 1980 17.5 4.7 7.2 2.5 1.0 0.0 0.0 0.0 0.0 1.9 6.4 8.7 28.8 10.8 0.0 8.4 50.0 1981 10.7 17.1 2.2 3.5 1.1 0.0 0.0 0.0 0.0 2.0 2.8 19.2 36.5 6.7 0.0 4.8 58.6 1982 13.3 7.4 5.8 3.1 2.0 0.0 0.0 0.0 0.0 0.6 3.8 11.3 39.9 10.9 0.0 4.4 47.2 1983 3.3 18.0 3.9 3.8 0.1 0.0 0.0 0.0 0.0 2.9 5.6 7.6 32.6 7.9 0.0 8.5 45.4 1984 10.8 10.2 6.2 6.8 1.2 0.0 0.0 0.0 0.0 0.7 1.3 8.7 28.6 14.1 0.0 2.0 45.9 1985 23.3 14.4 11.8 2.5 0.2 0.0 0.0 0.0 0.0 0.7 11.6 5.4 46.5 14.5 0.0 12.3 70.0 1986 11.9 24.5 8.6 5.4 0.1 0.0 0.0 0.0 0.6 0.6 1.2 6.2 41.8 14.1 0.0 2.4 59.1 1987 19.6 13.3 14.1 0.4 0.4 0.0 0.0 0.0 0.1 1.9 2.8 6.6 39.1 14.9 0.0 4.8 59.2 1988 5.0 7.4 4.5 4.4 0.1 0.0 0.0 0.0 0.1 1.8 12.4 1.7 19.0 9.1 0.0 14.3 37.6 1989 6.1 6.0 2.9 4.7 0.2 0.1 0.0 0.0 0.0 0.0 6.8 5.7 13.8 7.8 0.1 6.8 32.6 1990 2.7 1.2 3.3 6.0 0.3 0.0 0.0 0.0 0.1 0.3 3.3 8.9 9.7 9.6 0.0 3.6 26.0 1991 11.3 18.7 3.5 3.5 0.6 0.3 0.0 0.0 0.1 0.7 4.8 10.4 39.0 7.6 0.3 5.6 54.0 1992 13.3 8.6 1.1 2.0 0.1 0.0 0.0 0.0 0.0 3.2 2.0 11.7 32.3 3.2 0.0 5.2 42.0 1993 5.5 5.2 7.8 0.9 0.5 0.0 0.0 0.0 0.1 4.1 10.1 5.5 22.4 9.1 0.0 14.2 39.6 1994 7.0 12.0 1.5 1.9 0.3 0.0 0.0 0.0 0.0 0.8 0.6 7.0 24.5 3.8 0.0 1.4 31.1 1995 8.4 2.3 11.0 3.4 1.1 0.0 0.0 0.0 0.0 0.5 5.1 14.7 17.7 15.5 0.0 5.6 46.5 1996 7.6 17.8 8.8 5.1 3.1 0.0 0.0 0.0 0.0 0.1 10.9 13.7 40.1 17.0 0.0 11.0 67.1 1997 17.3 4.3 2.1 4.3 1.0 0.0 0.0 0.0 0.0 4.7 3.0 6.7 35.2 7.3 0.0 7.8 43.4 1998 8.1 5.2 2.8 3.1 0.2 0.0 0.0 0.0 0.0 0.6 5.7 8.7 20.0 6.0 0.0 6.3 34.4 1999 5.6 7.3 2.9 3.4 0.0 0.0 0.0 0.0 0.0 0.5 1.3 8.2 21.7 6.4 0.0 1.9 29.4 2000 10.0 5.0 4.1 3.2 0.1 0.0 0.0 0.0 0.0 0.2 2.0 7.1 23.3 7.3 0.0 2.2 31.7 2001 12.2 11.6 6.8 2.1 0.3 0.0 0.0 0.0 0.0 0.0 4.8 15.8 31.0 9.2 0.0 4.9 53.6 2002 7.2 3.5 3.9 2.2 0.2 0.0 0.0 0.0 0.0 1.4 0.6 3.8 26.4 6.3 0.0 1.9 22.7 2003 11.2 12.7 6.1 4.4 0.2 0.0 0.0 0.0 0.2 3.3 2.6 9.4 27.8 10.7 0.0 6.1 50.1 2004 8.4 10.5 5.3 0.9 0.1 0.0 0.0 0.0 0.0 0.1 3.1 8.0 28.2 6.3 0.0 3.2 36.3 2005 4.0 10.0 7.6 1.9 0.9 0.0 0.0 0.0 0.0 0.0 10.6 11.6 22.0 10.4 0.0 10.6 46.6 2006 9.0 9.7 10.8 3.1 0.1 0.0 0.0 0.0 0.0 0.0 3.6 5.5 30.3 14.0 0.0 3.6 41.8 2007 4.1 6.5 3.2 0.9 0.1 0.0 0.0 0.0 0.0 1.1 4.9 9.9 16.0 4.1 0.0 6.0 30.7 2008 2.3 10.9 4.7 5.0 0.1 0.0 0.0 0.0 0.0 2.0 3.5 13.2 23.1 9.8 0.0 5.6 41.8 2009 14.7 11.3 6.0 0.8 0.1 0.0 0.0 0.0 0.0 0.3 0.4 13.3 39.1 6.9 0.0 0.7 46.8 2010 17.9 12.4 9.0 2.5 1.3 0.0 0.0 0.0 0.1 1.9 9.4 23.4 43.7 12.8 0.0 11.5 78.0 2011 11.4 2.9 7.0 0.3 0.4 0.0 0.0 0.0 0.0 0.5 1.1 4.6 37.7 7.7 0.0 1.6 28.3 2012 7.6 13.3 3.2 4.1 0.3 0.0 0.0 0.0 0.0 1.1 4.5 9.6 25.5 7.6 0.0 5.6 43.7 2013 13.4 11.5 16.0 7.6 0.8 0.0 0.0 0.0 0.0 0.1 4.2 3.2 34.5 24.4 0.0 4.3 56.8 2014 4.6 0.9 4.2 0.8 0.3 0.0 0.0 0.0 0.0 0.1 2.6 9.7 8.7 5.3 0.0 2.7 23.2 2015 10.5 10.0 4.2 1.7 0.3 0.0 0.0 0.0 0.0 0.2 2.2 0.2 30.2 6.2 0.0 2.5 29.4 2016 6.7 9.3 6.9 3.9 0.6 0.0 0.0 0.0 0.0 0.1 5.1 7.9 16.2 11.4 0.0 5.3 40.5 2017 14.3 3.5 0.7 2.3 0.3 0.0 0.0 0.0 0.0 0.3 4.9 9.8 25.7 3.4 0.0 5.2 36.2 2018 5.4 14.7 9.0 0.4 0.3 0.0 0.0 0.0 0.2 2.3 2.4 3.2 29.9 9.6 0.0 4.9 37.9 2019 12.3 7.7 1.4 3.8 0.5 23.2 5.7