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. 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 28.9 1963 25.6 1963 19.1 1962 8.2 1968 3.7 1979 0.6 1962 0.0 2018 0.0 2018 0.6 1986 4.7 1997 12.4 1988 23.4 2010 73.1 1963 24.4 2013 0.6 1962 14.3 1988 81.5 1963 24.7 1979 24.5 1986 16.0 2013 7.6 2013 3.1 1996 0.3 1991 0.0 2017 0.0 2017 0.4 1969 4.1 1993 11.6 1985 19.2 1981 55.1 1979 22.1 1970 0.3 1991 14.2 1993 78.0 2010 23.3 1985 19.0 1979 14.9 1970 7.1 1970 2.0 1982 0.1 1989 0.0 2016 0.0 2016 0.2 2018 3.3 2003 11.6 1965 18.6 1962 46.5 1985 21.7 1962 0.1 1989 12.3 1985 72.9 1979 19.6 1987 18.7 1991 14.1 1987 6.8 1984 1.5 1967 0.1 1977 0.0 2015 0.0 2015 0.2 2003 3.2 1992 10.9 1996 16.7 1961 43.7 2010 17.5 1969 0.1 1977 12.3 1965 70.0 1985 17.9 2010 18.1 1969 11.8 1985 6.0 1990 1.3 2010 0.1 1975 0.0 2014 0.0 2014 0.2 1979 2.9 1983 10.6 2005 16.5 1976 41.8 1986 17.0 1996 0.1 1975 11.8 1973 67.5 1962 17.5 1980 18.0 1983 11.5 1969 5.8 1977 1.3 1971 0.1 1969 0.0 2013 0.0 2013 0.2 1975 2.5 1964 10.1 1993 15.8 2001 41.6 1965 15.8 1976 0.1 1969 11.5 2010 67.1 1996 17.3 1997 17.8 1996 11.5 1965 5.7 1969 1.2 1984 0.0 2018 0.0 2012 0.0 2012 0.2 1974 2.3 2018 9.6 1971 15.8 1963 41.5 1968 15.5 1995 0.0 2018 11.0 1996 63.8 1969 14.9 1966 17.8 1968 11.4 1976 5.6 1978 1.1 1995 0.0 2017 0.0 2011 0.0 2011 0.2 1972 2.3 1973 9.4 2010 15.2 1964 40.1 1996 15.1 1979 0.0 2017 10.9 1971 62.0 1970 14.7 2009 17.1 1981 11.0 1995 5.4 1986 1.1 1981 0.0 2016 0.0 2010 0.0 2010 0.1 2010 2.0 2008 9.4 1973 14.7 1995 39.9 1982 14.9 1987 0.0 2016 10.6 2005 61.8 1965 14.3 2017 15.0 1978 10.8 2006 5.3 1975 1.0 1997 0.0 2015 0.0 2009 0.0 2009 0.1 1993 2.0 1981 8.0 1969 13.7 1996 39.1 2009 14.9 1968 0.0 2015 9.0 1962 61.0 1968 14.1 1977 14.7 2018 9.5 1973 5.1 1996 1.0 1980 0.0 2014 0.0 2008 0.0 2008 0.1 1991 1.9 2010 7.8 1962 13.3 2009 39.1 1987 14.5 1985 0.0 2014 8.6 1972 59.2 1987 14.0 1965 14.4 1985 9.3 1964 5.0 2008 1.0 1974 0.0 2013 0.0 2007 0.0 2007 0.1 1990 1.9 1987 7.2 1972 13.2 2008 39.0 1991 14.5 1965 0.0 2013 8.6 1969 59.1 1986 13.4 2013 13.5 1970 9.2 1971 4.7 1989 1.0 1962 0.0 2012 0.0 2006 0.0 2006 0.1 1988 1.9 1980 7.0 1975 12.9 1969 37.7 2011 14.1 1986 0.0 2012 8.5 1983 58.6 1981 13.3 1992 13.3 2012 9.0 2018 4.4 2003 0.9 2005 0.0 2011 0.0 2005 0.0 2005 0.1 1987 1.8 1988 6.8 1989 12.8 1968 37.6 1964 14.1 1984 0.0 2011 8.4 1980 56.8 2013 13.3 1982 13.3 1987 9.0 2010 4.4 1988 0.9 1977 0.0 2010 0.0 2004 0.0 2004 0.1 1971 1.4 2002 6.8 1967 12.7 1970 37.5 1969 14.0 2006 0.0 2010 8.0 1975 56.0 1973 12.5 1964 12.7 2003 8.8 1996 4.3 1997 0.8 2013 0.0 2009 0.0 2003 0.0 2003 0.1 1964 1.2 1974 6.6 1979 12.2 1967 36.5 1981 13.6 1973 0.0 2009 7.8 1997 55.9 1976 12.3 2019 12.4 2010 8.6 1986 4.1 2012 0.7 1975 0.0 2008 0.0 2002 0.0 2002 0.0 2017 1.2 1972 6.4 1980 11.7 1992 36.5 1970 13.5 1975 0.0 2008 7.4 1979 54.8 1964 12.2 2001 12.4 1965 7.8 1993 4.1 1976 0.7 1968 0.0 2007 0.0 2001 0.0 2001 0.0 2016 1.2 1971 5.9 1977 11.6 2005 35.8 1977 13.4 1971 0.0 2007 7.0 1967 54.2 1978 11.9 1986 12.0 1994 7.6 2005 3.9 2016 0.7 1961 0.0 2006 0.0 2000 0.0 2000 0.0 2015 1.2 1970 5.7 1998 11.5 1978 35.2 1997 12.8 2010 0.0 2006 6.8 1989 54.0 1991 11.6 1978 11.6 2001 7.5 1979 3.9 1979 0.6 2016 0.0 2005 0.0 1999 0.0 1999 0.0 2014 1.1 2012 5.7 1961 11.3 1982 34.5 2013 11.4 2016 0.0 2005 6.6 1961 53.6 2001 11.5 1968 11.5 2013 7.5 1975 3.8 2019 0.6 1991 0.0 2004 0.0 1998 0.0 1998 0.0 2013 1.1 2007 5.6 1983 10.4 1991 34.4 1962 11.4 1964 0.0 2004 6.5 1966 50.1 2003 11.4 2011 11.3 2009 7.2 1980 3.8 1983 0.6 1973 0.0 2003 0.0 1997 0.0 1997 0.0 2012 1.1 1962 5.6 1966 9.9 2007 32.6 1983 10.9 1982 0.0 2003 6.4 1964 50.0 1980 11.3 1991 11.3 1973 7.1 1963 3.6 1973 0.6 1965 0.0 2002 0.0 1996 0.0 1996 0.0 2011 0.9 1961 5.2 1978 9.8 2017 32.3 1992 10.8 1980 0.0 2002 6.3 1998 47.2 1982 11.2 2003 10.9 2008 7.0 2011 3.5 1991 0.5 2019 0.0 2001 0.0 1995 0.0 1995 0.0 2009 0.8 1994 5.2 1976 9.8 1973 31.0 2001 10.8 1977 0.0 2001 6.1 2003 46.8 2009 10.8 1984 10.5 2004 6.9 2016 3.5 1981 0.5 1993 0.0 2000 0.0 1994 0.0 1994 0.0 2008 0.8 1975 5.1 2016 9.7 2014 30.3 2006 10.7 2003 0.0 2000 6.0 2007 46.6 2005 10.7 1981 10.2 1984 6.8 2001 3.4 1999 0.4 2011 0.0 1999 0.0 1993 0.0 1993 0.0 2007 0.8 1966 5.1 1995 9.7 1975 30.2 2015 10.6 1978 0.0 1999 6.0 1977 46.5 1995 10.5 2015 10.0 2015 6.6 1974 3.4 1995 0.4 1987 0.0 1998 0.0 1992 0.0 1992 0.0 2006 0.7 1991 4.9 2017 9.6 2012 29.9 2018 10.4 2005 0.0 1998 5.6 2012 45.9 1984 10.2 1967 10.0 2005 6.2 1984 3.2 2000 0.3 2018 0.0 1997 0.0 1991 0.0 1991 0.0 2005 0.7 1985 4.9 2007 9.4 2003 29.4 1978 10.2 1974 0.0 1997 5.6 2008 45.4 1983 10.1 1970 9.7 2006 6.1 2003 3.1 2006 0.3 2017 0.0 1996 0.0 1990 0.0 1990 0.0 2004 0.7 1984 4.8 2001 8.9 1990 28.8 1980 9.8 2008 0.0 1996 5.6 1995 44.4 1971 10.0 2000 9.6 1976 6.0 2009 3.1 1998 0.3 2015 0.0 1995 0.0 1989 0.0 1989 0.0 2002 0.7 1965 4.8 1991 8.7 1998 28.8 1971 9.6 2018 0.0 1995 5.6 1991 43.7 2012 9.6 1972 9.5 1962 6.0 1968 3.1 1982 0.3 2014 0.0 1994 0.0 1988 0.0 1988 0.0 2001 0.6 1998 4.5 2012 8.7 1984 28.6 1984 9.6 1990 0.0 1994 5.5 1978 43.7 1967 9.6 1961 9.3 2016 5.8 1982 2.9 1971 0.3 2012 0.0 1993 0.0 1987 0.0 1987 0.0 2000 0.6 1986 4.2 2013 8.7 1980 28.2 2004 9.2 2001 0.0 1993 5.4 1976 43.4 1997 9.4 1973 9.3 1964 5.8 1972 2.7 1967 0.3 2001 0.0 1992 0.0 1986 0.0 1986 0.0 1999 0.6 1982 4.0 1968 8.4 1965 28.1 1966 9.1 1993 0.0 1992 5.3 2016 42.0 1992 9.0 2006 8.6 1992 5.4 1966 2.6 1974 0.3 1994 0.0 1990 0.0 1985 0.0 1985 0.0 1998 0.6 1979 3.9 1964 8.2 1999 27.8 2003 9.1 1988 0.0 1990 5.2 2017 41.8 2008 8.5 1976 8.6 1971 5.3 2004 2.6 1966 0.3 1990 0.0 1988 0.0 1984 0.0 1984 0.0 1997 0.5 2011 3.8 1982 8.0 2004 27.8 1976 8.9 1963 0.0 1988 5.2 1992 41.8 2006 8.4 2004 7.8 1967 5.0 1961 2.5 2010 0.3 1976 0.0 1987 0.0 1983 0.0 1983 0.0 1996 0.5 1999 3.6 2006 7.9 2016 26.4 2002 8.2 1966 0.0 1987 4.9 2018 41.6 1975 8.4 1995 7.7 2019 4.8 1978 2.5 1985 0.3 1963 0.0 1986 0.0 1982 0.0 1982 0.0 1995 0.5 1995 3.5 2008 7.6 1983 25.7 2017 7.9 1983 0.0 1986 4.9 2001 40.5 2016 8.2 1962 7.7 1975 4.7 2008 2.5 1980 0.2 2003 0.0 1985 0.0 1981 0.0 1981 0.0 1994 0.3 2017 3.3 1990 7.1 2000 25.6 1973 7.8 1989 0.0 1985 4.8 1987 40.5 1966 8.1 1998 7.4 1988 4.5 1988 2.5 1965 0.2 2002 0.0 1984 0.0 1980 0.0 1980 0.0 1992 0.3 2009 3.1 2004 7.0 1994 25.5 2012 7.7 2011 0.0 1984 4.8 1981 39.6 1993 7.6 2012 7.4 1982 4.2 2015 2.3 2017 0.2 1998 0.0 1983 0.0 1979 0.0 1979 0.0 1989 0.3 1990 3.0 1997 6.7 1997 24.5 1994 7.6 2012 0.0 1983 4.4 1982 39.6 1961 7.6 1996 7.3 1999 4.2 2014 2.2 2002 0.2 1989 0.0 1982 0.0 1978 0.0 1978 0.0 1985 0.3 1978 2.8 1987 6.7 1979 24.2 1967 7.6 1991 0.0 1982 4.3 2013 38.9 1977 7.5 1971 6.5 2007 4.1 2000 2.1 2001 0.2 1985 0.0 1981 0.0 1977 0.0 1977 0.0 1984 0.2 2015 2.8 1981 6.6 1987 23.3 2000 7.3 2000 0.0 1981 4.0 1968 37.9 2018 7.2 2002 6.0 1989 4.1 1977 2.0 1992 0.2 1972 0.0 1980 0.0 1976 0.0 1976 0.0 1983 0.2 2000 2.6 2014 6.2 1986 23.2 2019 7.3 1997 0.0 1980 3.6 2006 37.6 1988 7.0 1994 5.5 1974 3.9 2002 2.0 1964 0.2 1969 0.0 1979 0.0 1975 0.0 1975 0.0 1982 0.2 1976 2.6 2003 6.1 1966 23.1 2008 6.9 2009 0.0 1979 3.6 1990 36.3 2004 6.7 2016 5.2 1998 3.9 1983 1.9 2005 0.2 1966 0.0 1978 0.0 1974 0.0 1974 0.0 1981 0.2 1969 2.4 2018 5.7 1989 22.4 1993 6.8 1972 0.0 1978 3.6 1970 36.2 2017 6.6 1969 5.2 1993 3.5 1991 1.9 1994 0.1 2009 0.0 1976 0.0 1973 0.0 1973 0.0 1980 0.2 1967 2.4 1970 5.5 2006 22.0 2005 6.7 1981 0.0 1976 3.4 1974 34.6 1972 6.1 1989 5.2 1977 3.3 1990 1.7 2015 0.1 2008 0.0 1974 0.0 1972 0.0 1972 0.0 1978 0.1 2016 2.2 2015 5.5 1993 21.7 1999 6.4 1999 0.0 1974 3.2 2004 34.4 1998 5.6 1999 5.0 2000 3.2 2012 1.6 1962 0.1 2007 0.0 1973 0.0 1971 0.0 1971 0.0 1977 0.1 2014 2.2 1963 5.4 1985 20.0 1998 6.4 1967 0.0 1973 2.7 2014 32.6 1989 5.5 1993 4.8 1972 3.2 2007 1.5 1963 0.1 2006 0.0 1972 0.0 1970 0.0 1970 0.0 1976 0.1 2013 2.0 2000 4.8 1972 19.5 1974 6.3 2004 0.0 1972 2.5 2015 31.7 2000 5.4 2018 4.8 1966 2.9 1999 0.9 2007 0.1 2004 0.0 1971 0.0 1969 0.0 1969 0.0 1973 0.1 2004 2.0 1992 4.6 2011 19.0 1988 6.3 2002 0.0 1971 2.4 1986 31.1 1994 5.0 1988 4.7 1980 2.9 1989 0.9 2004 0.1 2000 0.0 1970 0.0 1968 0.0 1968 0.0 1970 0.1 1996 2.0 1974 4.0 1971 18.4 1972 6.2 2015 0.0 1970 2.3 1963 30.7 2007 4.6 2014 4.3 1997 2.8 1998 0.9 1993 0.1 1992 0.0 1968 0.0 1967 0.0 1967 0.0 1968 0.1 1977 1.3 1999 3.8 2002 17.7 1995 6.0 1998 0.0 1968 2.2 2000 29.4 2015 4.1 2007 3.5 2017 2.3 1967 0.8 2014 0.1 1988 0.0 1967 0.0 1966 0.0 1966 0.0 1967 0.1 1968 1.3 1984 3.2 2018 16.2 2016 6.0 1961 0.0 1967 2.0 1984 29.4 1999 4.1 1974 3.5 2002 2.2 1981 0.8 2009 0.1 1986 0.0 1966 0.0 1965 0.0 1965 0.0 1966 0.1 1963 1.2 1986 3.2 2013 16.0 2007 5.7 2019 0.0 1966 1.9 2002 28.3 2011 4.0 2005 2.9 2011 2.1 1997 0.8 1972 0.1 1983 0.0 1965 0.0 1964 0.0 1964 0.0 1965 0.0 2006 1.1 2011 2.8 1977 13.8 1989 5.3 2014 0.0 1965 1.9 1999 26.0 1990 3.3 1983 2.3 1995 1.5 1994 0.4 2018 0.1 1978 0.0 1964 0.0 1963 0.0 1963 0.0 1963 0.0 2005 0.6 2002 1.7 1988 11.8 1975 4.1 2007 0.0 1964 1.6 2011 24.8 1974 2.7 1990 1.2 1990 1.4 2019 0.4 1987 0.1 1970 0.0 1963 0.0 1962 0.0 1962 0.0 1962 0.0 2001 0.6 1994 1.5 1974 9.7 1990 3.8 1994 0.0 1963 1.4 1994 23.2 2014 2.7 1975 0.9 2014 1.1 1992 0.3 2011 0.1 1964 0.0 1961 0.0 1961 0.0 1961 0.0 1961 0.0 1989 0.4 2009 0.2 2015 8.7 2014 3.4 2017 0.0 1961 0.7 2009 22.7 2002 2.3 2008 0.8 1961 0.7 2017 0.3 1961 0.0 1999 3.2 1992