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. JAN Year FEB Year MAR Year APR Year MAY Year JUN Year JUL Year AUG Year SEP Year OCT Year NOV Year DEC Year WIN Year SPR Year SUM Year AUT Year ANN Year 29.8 1963 25.4 1963 18.7 1962 8.6 1968 3.7 1979 0.7 1962 0.0 2018 0.0 2018 0.4 2003 5.0 1997 12.9 1988 24.1 2010 74.5 1963 22.8 1970 0.7 1962 14.8 1993 83.8 1963 24.7 1979 24.8 1986 15.2 1970 7.5 1970 2.5 1996 0.3 1991 0.0 2017 0.0 2017 0.4 1986 4.0 1992 12.6 1985 19.3 1962 53.5 1979 22.4 2013 0.3 1991 14.6 1988 80.1 2010 23.4 1985 19.1 1991 14.9 2013 7.1 1984 2.3 1982 0.1 1989 0.0 2016 0.0 2016 0.3 1972 3.5 2003 12.0 1965 18.3 1981 48.1 1985 21.5 1962 0.1 1989 13.6 1985 73.4 1985 20.2 1987 18.2 1983 14.5 1987 6.8 2013 1.7 2010 0.1 1975 0.0 2015 0.0 2015 0.3 1969 3.5 1993 11.6 1996 17.1 1963 44.6 2010 16.8 1969 0.1 1975 13.1 1973 72.5 1979 19.5 2010 18.0 1969 13.0 1985 6.6 1977 1.6 1967 0.0 2018 0.0 2014 0.0 2014 0.2 2018 3.1 1983 11.4 2005 16.9 1961 43.2 1968 16.6 1976 0.1 1964 12.9 1965 69.0 1962 18.4 1980 17.8 1996 11.6 1976 6.1 1969 1.3 1971 0.0 2017 0.0 2013 0.0 2013 0.2 1979 2.6 1964 11.2 1993 16.5 2001 42.3 1965 16.5 1996 0.0 2018 12.4 2010 65.1 1996 17.6 1997 17.7 1979 11.1 1995 5.7 1975 1.2 2005 0.0 2016 0.0 2012 0.0 2012 0.2 1975 2.5 1973 10.6 1973 16.3 1976 41.8 1986 16.0 1985 0.0 2017 11.8 1996 64.4 1969 16.3 2017 17.5 1981 11.1 1965 5.5 2003 1.2 1962 0.0 2015 0.0 2011 0.0 2011 0.2 1974 2.4 2010 9.9 2010 14.9 1964 41.1 2009 15.5 1995 0.0 2016 11.5 2005 63.4 1970 15.7 2009 17.2 1968 10.9 2006 5.5 1986 1.1 1997 0.0 2014 0.0 2010 0.0 2010 0.1 2010 2.3 1980 9.7 1971 13.9 2009 40.9 1987 15.5 1986 0.0 2015 11.4 1971 63.1 1965 15.5 1966 15.2 1985 10.8 1973 5.4 2008 1.1 1981 0.0 2013 0.0 2009 0.0 2009 0.1 2007 2.0 2018 8.9 1969 13.8 1970 38.6 1991 15.4 1987 0.0 2014 9.7 1969 62.3 1968 13.8 1977 15.1 2018 10.5 1969 5.4 1990 1.1 1977 0.0 2012 0.0 2008 0.0 2008 0.1 2005 2.0 1981 7.7 1962 13.7 2008 38.2 1996 15.4 1979 0.0 2013 9.4 1980 61.5 1986 13.7 1992 14.7 1978 9.9 1986 5.3 1978 1.1 1974 0.0 2011 0.0 2007 0.0 2007 0.1 1993 1.9 2008 7.5 1975 13.7 1995 38.2 1982 14.9 1973 0.0 2012 9.1 1972 61.1 1987 13.7 1965 14.3 2012 9.8 1971 4.8 1996 1.0 1995 0.0 2010 0.0 2006 0.0 2006 0.1 1991 1.8 2007 7.5 1972 13.5 1968 38.2 1981 14.8 1968 0.0 2011 8.8 1983 60.4 1973 13.5 2019 13.7 1965 9.2 1996 4.7 1997 1.0 1984 0.0 2009 0.0 2005 0.0 2005 0.1 1990 1.7 1971 7.3 1989 13.4 1969 38.0 1969 14.4 1984 0.0 2010 8.7 1997 59.6 1981 12.9 2013 13.6 1987 8.7 1964 4.7 1976 0.9 1980 0.0 2008 0.0 2004 0.0 2004 0.1 1988 1.6 2002 7.1 1980 13.2 1967 37.7 2011 14.1 2006 0.0 2009 8.7 1962 57.0 1976 12.8 1982 13.5 1970 8.4 1993 4.5 1988 0.8 1991 0.0 2007 0.0 2003 0.0 2003 0.1 1987 1.6 1987 7.0 1979 13.1 2005 37.5 1964 14.1 1965 0.0 2008 8.2 1975 55.6 2013 12.8 1968 13.1 2003 8.3 2010 4.4 2012 0.8 1961 0.0 2006 0.0 2002 0.0 2002 0.1 1977 1.5 2012 6.6 1967 12.3 1996 36.6 1970 13.6 1975 0.0 2007 7.8 1979 54.6 1978 12.5 1978 12.4 1973 8.2 2018 4.4 1979 0.7 2016 0.0 2005 0.0 2001 0.0 2001 0.1 1971 1.5 1988 6.0 1977 11.7 1975 35.8 1962 13.6 1971 0.0 2006 7.5 2007 54.0 1991 12.1 2003 11.7 2009 7.9 2005 4.3 2016 0.7 1973 0.0 2004 0.0 2000 0.0 2000 0.1 1962 1.4 1974 5.8 1998 11.1 1991 35.2 1992 12.9 2010 0.0 2005 7.3 1989 52.9 1964 12.0 2001 11.4 2013 7.5 2011 4.0 1989 0.6 2013 0.0 2003 0.0 1999 0.0 1999 0.0 2017 1.3 1972 5.8 1961 11.1 1978 35.1 1977 12.5 1982 0.0 2004 6.9 1967 52.3 1980 11.9 1986 11.4 2008 7.3 1979 3.9 1999 0.6 1975 0.0 2002 0.0 1998 0.0 1998 0.0 2016 1.2 1970 5.7 1995 10.9 1992 34.8 2013 12.3 2016 0.0 2003 6.6 1961 52.0 2001 11.7 2000 11.4 1994 7.3 1975 3.9 1983 0.6 1968 0.0 2001 0.0 1997 0.0 1997 0.0 2015 1.1 1991 5.7 1983 10.9 1982 34.2 1997 12.0 1977 0.0 2002 6.5 1964 51.0 2005 11.5 1981 11.1 2010 7.2 2016 3.5 1981 0.6 1965 0.0 2000 0.0 1996 0.0 1996 0.0 2014 1.0 1994 5.6 2017 10.8 2007 32.4 1983 11.5 2005 0.0 2001 6.4 1998 50.7 2003 11.3 1964 10.7 2001 7.1 1980 3.5 1973 0.5 1987 0.0 1999 0.0 1995 0.0 1995 0.0 2013 1.0 1985 5.6 2016 10.7 2017 32.3 2006 11.3 2003 0.0 2000 6.3 2012 49.9 2009 11.0 1967 10.5 2005 7.1 1963 3.4 2019 0.4 2019 0.0 1998 0.0 1994 0.0 1994 0.0 2012 1.0 1962 5.6 2007 10.6 2014 31.5 2015 11.0 1964 0.0 1999 6.3 1991 48.7 1983 10.6 2015 10.4 1992 7.0 1974 3.3 1998 0.4 2017 0.0 1997 0.0 1993 0.0 1993 0.0 2011 0.9 1965 5.6 1966 10.5 2012 30.7 1971 10.5 2008 0.0 1998 6.3 1966 47.7 1982 10.2 2011 10.3 2015 6.9 1982 3.3 1995 0.4 1993 0.0 1996 0.0 1992 0.0 1992 0.0 2009 0.8 2011 5.5 1978 9.9 1990 30.3 1980 10.5 1978 0.0 1997 6.2 2003 46.6 2012 10.1 1984 10.3 2004 6.4 2009 3.3 1982 0.3 2018 0.0 1995 0.0 1991 0.0 1991 0.0 2008 0.8 1961 5.5 1976 9.9 1973 30.3 1978 10.5 1974 0.0 1996 6.2 1977 46.5 1984 10.0 1973 9.9 2006 6.4 1984 3.2 1991 0.3 2014 0.0 1994 0.0 1990 0.0 1990 0.0 2006 0.7 1999 5.4 2001 9.5 1984 30.2 2018 10.4 1980 0.0 1995 6.1 1992 46.3 1967 9.7 1970 9.9 1984 6.3 1961 3.1 2000 0.3 2012 0.0 1993 0.0 1989 0.0 1989 0.0 2004 0.7 1984 5.2 1991 9.2 1980 30.2 1976 9.6 1993 0.0 1994 6.0 1995 46.2 1971 9.7 1961 9.9 1962 6.0 1972 3.0 2010 0.3 2011 0.0 1992 0.0 1988 0.0 1988 0.0 2002 0.7 1966 4.8 2012 9.1 1983 29.1 2001 9.3 1983 0.0 1993 5.8 2017 46.1 1997 9.6 1991 9.5 1976 5.8 1966 3.0 2006 0.3 1976 0.0 1990 0.0 1987 0.0 1987 0.0 2001 0.6 1982 4.4 2013 8.9 2004 29.0 1984 9.2 1963 0.0 1992 5.8 2016 45.4 1995 9.5 1972 9.3 2016 5.6 2004 2.9 1967 0.3 1972 0.0 1988 0.0 1986 0.0 1986 0.0 2000 0.6 1979 4.4 2006 8.7 1965 28.4 2003 9.0 1988 0.0 1990 5.8 1978 44.3 1992 9.3 2006 9.1 1964 5.6 2003 2.8 1985 0.2 2009 0.0 1987 0.0 1985 0.0 1985 0.0 1999 0.6 1975 3.9 1968 8.6 2016 28.3 2017 8.9 2018 0.0 1988 5.7 1976 44.1 1975 9.0 1976 9.0 1971 5.5 1968 2.6 2017 0.2 2006 0.0 1986 0.0 1984 0.0 1984 0.0 1998 0.5 1998 3.9 1964 8.5 1999 27.6 2002 8.8 1990 0.0 1987 5.5 1981 43.7 2008 8.9 2004 8.6 1967 5.3 1983 2.6 1971 0.2 2003 0.0 1985 0.0 1983 0.0 1983 0.0 1997 0.5 1986 3.8 1982 8.3 1998 27.5 1973 8.1 2011 0.0 1986 5.4 2001 43.5 2006 8.9 1962 8.0 2019 5.2 2001 2.5 1974 0.2 2002 0.0 1984 0.0 1982 0.0 1982 0.0 1996 0.5 1969 3.7 1997 8.1 2003 27.3 2004 8.1 1966 0.0 1985 5.2 2008 43.0 2016 8.5 1998 8.0 1975 5.1 1978 2.4 2005 0.2 2001 0.0 1983 0.0 1981 0.0 1981 0.0 1995 0.4 2009 3.5 1981 7.6 1997 27.3 1966 7.9 2012 0.0 1984 4.9 2018 41.2 1961 8.2 1995 7.7 1999 5.0 2008 2.4 1980 0.2 1998 0.0 1982 0.0 1980 0.0 1980 0.0 1994 0.3 1990 3.3 2008 7.6 1994 27.2 2012 7.9 1997 0.0 1983 4.9 1987 40.7 1993 7.9 2002 7.7 1988 4.4 2014 2.3 1965 0.2 1994 0.0 1981 0.0 1979 0.0 1979 0.0 1992 0.2 2017 3.1 1987 7.1 1986 25.8 1967 7.8 1999 0.0 1982 4.5 2013 40.2 1977 7.8 1971 7.0 1982 4.4 1988 2.2 1966 0.2 1990 0.0 1980 0.0 1978 0.0 1978 0.0 1989 0.2 2016 3.0 1990 7.0 1987 25.2 2019 7.6 2009 0.0 1981 4.5 2006 40.0 2017 7.6 2012 6.4 2007 4.3 1977 2.2 1964 0.2 1989 0.0 1979 0.0 1977 0.0 1977 0.0 1985 0.2 2015 2.8 2018 6.9 1979 25.2 2000 7.6 1991 0.0 1980 4.4 1982 39.1 1966 7.1 1994 6.1 1998 4.0 2000 2.1 1992 0.2 1986 0.0 1978 0.0 1976 0.0 1976 0.0 1984 0.2 1995 2.8 2004 6.4 2000 25.0 2008 7.4 2001 0.0 1979 4.0 1968 39.0 1988 7.0 2016 6.0 1989 3.9 2007 2.0 2001 0.2 1985 0.0 1977 0.0 1975 0.0 1975 0.0 1983 0.2 1978 2.5 2015 6.2 1966 23.9 2005 7.3 1961 0.0 1978 3.6 1970 38.1 2004 6.8 1989 5.6 1993 3.9 1999 1.8 2015 0.2 1969 0.0 1976 0.0 1974 0.0 1974 0.0 1982 0.2 1976 2.4 2014 5.8 1989 23.4 1994 7.2 2000 0.0 1977 3.4 1990 37.1 2018 6.7 1996 5.5 1974 3.8 2002 1.8 1963 0.2 1966 0.0 1974 0.0 1973 0.0 1973 0.0 1981 0.2 1967 2.4 1970 5.6 2006 22.3 1998 7.1 1972 0.0 1976 3.2 1974 35.9 1998 6.5 1969 5.1 2000 3.7 1991 1.7 2002 0.2 1963 0.0 1973 0.0 1972 0.0 1972 0.0 1980 0.1 2014 2.3 2003 5.2 2011 22.1 1993 7.0 2004 0.0 1974 2.9 2004 34.8 1972 5.6 1993 5.1 1977 3.6 2015 1.6 1994 0.1 2015 0.0 1972 0.0 1971 0.0 1971 0.0 1978 0.1 2013 2.3 2000 5.1 1985 21.0 1999 6.7 1989 0.0 1973 2.8 2015 34.3 2007 5.6 1988 5.0 1980 3.2 1990 1.6 1962 0.1 2008 0.0 1971 0.0 1970 0.0 1970 0.0 1976 0.1 2004 2.2 1963 5.0 1993 20.2 1988 6.7 1981 0.0 1972 2.6 2014 32.8 2000 5.1 2014 4.4 1997 3.1 2012 1.3 2004 0.1 2007 0.0 1970 0.0 1969 0.0 1969 0.0 1973 0.1 2000 2.1 1992 5.0 1972 18.9 1974 6.6 1967 0.0 1971 2.6 1984 32.6 1989 5.0 1999 4.0 1972 3.0 1998 1.2 2007 0.1 2004 0.0 1969 0.0 1968 0.0 1968 0.0 1970 0.1 1996 1.9 1984 4.4 2013 17.9 1995 6.5 1998 0.0 1970 2.5 2000 31.1 1994 4.4 2018 3.5 2017 2.5 1989 1.0 2009 0.1 2000 0.0 1968 0.0 1967 0.0 1967 0.0 1968 0.1 1989 1.5 1974 4.2 1971 17.7 1972 5.7 2002 0.0 1969 2.3 1963 31.0 1999 4.4 2007 3.4 2011 2.2 1967 0.9 1993 0.1 1999 0.0 1967 0.0 1966 0.0 1966 0.0 1967 0.1 1977 1.3 2011 3.8 2018 16.6 2016 5.5 2015 0.0 1968 2.2 2002 29.5 2015 4.4 2005 3.2 2002 2.1 1997 0.9 1972 0.1 1992 0.0 1966 0.0 1965 0.0 1965 0.0 1966 0.1 1968 1.3 1999 3.3 2002 16.4 2007 5.4 2019 0.0 1967 2.2 1986 29.0 2011 3.5 1974 3.0 1966 2.1 1994 0.7 2014 0.1 1988 0.0 1965 0.0 1964 0.0 1964 0.0 1965 0.1 1963 1.3 1986 3.2 1977 14.8 1989 5.4 2014 0.0 1966 2.1 2011 26.1 1990 3.2 1983 2.1 1995 2.1 1981 0.5 1987 0.1 1983 0.0 1964 0.0 1963 0.0 1963 0.0 1964 0.0 2006 0.6 2002 2.1 1988 12.0 1975 5.2 2007 0.0 1965 2.0 1999 24.4 2014 3.0 1990 0.8 1990 1.5 2019 0.3 2018 0.1 1978 0.0 1963 0.0 1962 0.0 1962 0.0 1963 0.0 2005 0.5 2009 1.6 1974 10.2 2014 3.9 1994 0.0 1963 1.2 1994 24.3 1974 2.8 2008 0.7 2014 1.0 1992 0.3 2011 0.1 1970 0.0 1961 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.2 1994 0.2 2015 9.7 1990 3.6 2017 0.0 1961 0.9 2009 22.4 2002 2.5 1975 0.7 1961 0.6 2017 0.2 1961 0.1 1964 3.3 1992