England_N 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 26.2 1979 27.2 1963 20.3 1962 9.9 1968 4.8 1979 0.5 1991 0.1 1965 0.1 1977 1.5 1986 5.8 1993 14.7 1965 23.6 1981 72.7 1963 27.6 2013 0.6 1962 18.9 1993 88.4 2010 25.6 1963 24.2 1986 19.1 2013 9.4 1970 3.7 1996 0.5 1962 0.0 2018 0.1 1964 0.8 1972 5.5 1992 14.5 1985 22.8 2010 63.2 1979 26.6 1970 0.5 1991 15.5 1965 87.7 1979 23.8 1985 21.8 1979 17.0 1970 8.2 1984 2.7 1984 0.4 1975 0.0 2017 0.0 2018 0.7 1979 4.8 1997 13.3 1996 20.5 1961 52.6 2010 25.1 1969 0.4 1975 15.2 1985 83.3 1969 21.1 1987 21.4 1968 16.3 1969 8.0 1969 2.6 2010 0.3 1989 0.0 2016 0.0 2017 0.7 1974 4.6 1981 12.7 1993 19.9 1962 49.0 1968 24.9 1962 0.3 1989 14.6 1973 82.9 1963 19.3 1997 20.3 1983 15.9 1987 7.6 2013 2.6 1995 0.2 2015 0.0 2015 0.0 2016 0.4 1987 3.9 1983 12.3 1969 19.0 1976 48.9 1982 21.5 1979 0.3 1977 13.6 1996 80.6 1985 18.2 1980 20.0 1969 14.4 2006 7.3 1983 2.6 1982 0.2 1977 0.0 2014 0.0 2015 0.4 1964 3.5 2003 11.6 1971 17.8 2001 48.6 1985 21.1 1995 0.2 2015 13.6 1988 76.0 1981 17.7 1991 19.0 1996 14.2 1965 7.2 1978 2.3 1975 0.2 1974 0.0 2013 0.0 2014 0.3 2007 3.5 1973 11.4 2005 17.3 1964 48.2 1986 20.2 1968 0.2 1974 13.6 1971 76.0 1962 17.6 2010 19.0 1991 13.4 1995 7.0 1990 2.2 1997 0.2 1971 0.0 2012 0.0 2013 0.3 1995 3.1 1980 11.1 1973 16.3 2009 46.5 1991 20.0 1975 0.2 1971 12.7 1969 75.2 1965 17.3 1977 18.7 2010 13.4 1985 7.0 1989 2.2 1967 0.2 1969 0.0 2011 0.0 2012 0.3 1993 3.1 1964 10.6 1988 16.2 1995 45.5 1965 19.5 1965 0.2 1969 12.0 2010 74.9 1968 16.5 1965 17.8 1981 12.6 2018 7.0 1986 2.1 2012 0.1 2012 0.0 2010 0.0 2011 0.3 1975 2.9 2018 10.1 2010 15.9 1969 44.7 1970 19.1 1996 0.2 1964 11.7 2005 74.0 1996 16.4 1984 17.7 1978 12.6 1976 6.0 1977 2.0 1968 0.1 2009 0.0 2009 0.0 2010 0.2 2018 2.8 2008 9.8 1967 15.2 1978 44.6 1977 18.8 1984 0.1 2012 11.4 1962 72.2 2001 16.0 1992 16.6 1970 12.3 2001 6.0 1975 1.9 1977 0.1 2005 0.0 2008 0.0 2009 0.2 2012 2.8 2002 9.5 1962 14.9 1982 44.1 1969 18.6 2006 0.1 2011 11.0 1972 72.1 1970 15.9 1986 16.1 1985 12.2 1979 6.0 1973 1.9 1971 0.1 2001 0.0 2007 0.0 2008 0.2 1991 2.8 1988 8.9 1972 14.8 1968 43.9 1987 18.1 1987 0.1 2009 10.9 1992 69.6 1986 15.8 2001 16.0 2001 11.6 1975 6.0 1966 1.8 1980 0.1 1987 0.0 2006 0.0 2007 0.2 1988 2.2 1987 8.5 2016 14.7 2008 43.3 1996 17.7 2001 0.1 2008 10.7 1983 69.0 1987 15.6 1978 16.0 1994 11.5 1980 5.9 2016 1.6 1973 0.1 1986 0.0 2005 0.0 2006 0.2 1983 2.1 1974 8.5 1975 14.4 1992 42.3 2001 17.5 1976 0.1 2005 10.4 1967 68.7 2013 15.5 1966 15.9 2018 10.9 1964 5.7 1996 1.5 1981 0.1 1985 0.0 2004 0.0 2005 0.2 1969 1.9 2010 7.5 1998 14.2 1996 42.0 1981 17.3 1985 0.1 2004 10.3 1980 68.5 1978 15.4 1982 15.6 2003 10.8 2010 5.6 2008 1.4 2019 0.1 1983 0.0 2003 0.0 2004 0.2 1963 1.9 1971 7.5 1976 13.9 2003 41.9 2013 17.3 1971 0.1 2001 10.3 1975 66.3 1973 15.1 2013 15.4 2013 10.3 1971 5.6 1974 1.4 1974 0.1 1982 0.0 2002 0.0 2003 0.1 2017 1.8 1966 7.4 1979 13.7 1967 41.1 2011 17.2 2010 0.1 2000 9.7 1964 65.2 1991 14.9 2011 15.1 1987 9.9 1986 5.4 1981 1.3 2005 0.1 1981 0.0 2001 0.0 2002 0.1 2015 1.8 1962 7.3 1977 13.6 1963 41.0 2009 17.2 1980 0.1 1999 9.3 1998 64.5 1964 14.3 1981 13.0 2009 9.8 1996 5.2 2019 1.3 1987 0.1 1978 0.0 2000 0.0 2001 0.1 2013 1.7 1998 7.1 2013 13.1 2017 40.9 1983 17.0 1986 0.1 1998 9.0 1979 63.6 1976 14.2 1995 13.0 1984 8.9 1973 5.2 2012 1.1 2015 0.1 1973 0.0 1999 0.0 2000 0.1 2010 1.6 2012 7.1 1980 12.9 1973 39.8 1962 16.5 1973 0.1 1996 8.8 2016 63.1 1995 13.9 1968 12.8 2012 8.7 1963 5.2 1995 1.1 2001 0.1 1972 0.0 1998 0.0 1999 0.1 2009 1.5 1975 7.0 1966 12.2 1999 38.3 1966 15.2 2018 0.1 1993 8.8 1966 61.8 1980 13.6 2017 12.2 1973 8.4 1988 5.1 2000 1.1 1965 0.1 1967 0.0 1997 0.0 1998 0.1 2008 1.3 1972 6.7 1989 12.0 1965 37.9 1978 14.5 1974 0.1 1988 8.6 2008 61.1 2003 13.3 1961 12.0 2016 8.2 2011 5.1 1971 1.0 1994 0.1 1964 0.0 1996 0.0 1997 0.1 2005 1.2 2007 6.6 1983 11.4 2012 37.8 1997 14.0 1989 0.1 1987 8.3 1981 60.2 1982 13.2 2009 11.8 2004 8.2 1968 4.8 1988 0.9 2018 0.1 1961 0.0 1995 0.0 1996 0.1 2003 1.0 1994 6.4 1961 11.4 1991 37.8 1964 13.8 1982 0.1 1986 7.9 1976 58.8 1984 13.0 2019 11.6 1965 8.0 1993 4.7 2003 0.8 2013 0.0 2018 0.0 1994 0.0 1995 0.1 2002 1.0 1982 6.3 2017 11.3 2007 37.3 1994 13.7 2008 0.1 1985 7.6 2012 57.8 1966 13.0 1964 11.2 1964 7.9 1984 4.7 1998 0.8 1993 0.0 2017 0.0 1993 0.0 1994 0.1 1997 1.0 1970 6.2 1964 11.1 2005 37.1 1984 13.7 1978 0.1 1984 7.6 1977 56.8 1983 12.4 2015 10.9 2008 7.7 2003 4.7 1976 0.8 1969 0.0 2016 0.0 1992 0.0 1993 0.1 1996 0.9 1999 6.0 1991 11.1 1993 35.7 2018 13.6 1988 0.1 1983 7.5 1974 55.5 1971 12.1 1970 10.8 1966 7.5 2008 4.5 2002 0.8 1962 0.0 2014 0.0 1991 0.0 1992 0.1 1994 0.9 1986 5.8 2012 11.0 2014 35.1 2004 13.2 2016 0.1 1982 7.3 2013 55.4 1975 11.7 2003 10.4 1975 7.5 2005 4.5 1979 0.7 2011 0.0 2013 0.0 1990 0.0 1991 0.1 1990 0.9 1979 5.8 2004 10.8 1970 34.7 1992 13.2 1977 0.1 1981 7.3 2003 55.0 1993 11.7 1967 10.2 2015 7.4 1974 4.4 1991 0.7 1991 0.0 2011 0.0 1989 0.0 1990 0.1 1989 0.8 2000 5.8 1978 10.5 2000 33.6 2015 13.2 1964 0.1 1980 6.9 2017 53.8 1992 10.7 1972 9.9 1962 7.3 1972 4.2 2001 0.7 1966 0.0 2010 0.0 1988 0.0 1989 0.1 1984 0.8 1995 5.7 2008 9.9 1998 33.6 1980 13.1 1966 0.1 1978 6.9 1991 53.1 2008 10.2 1994 9.8 2006 7.1 2015 4.2 1982 0.7 1963 0.0 2008 0.0 1987 0.0 1988 0.1 1982 0.8 1965 5.4 1992 9.9 1980 33.0 2003 12.6 2003 0.1 1976 6.9 1989 52.8 1967 10.2 1976 9.8 1982 7.1 1982 4.2 1965 0.7 1961 0.0 2007 0.0 1986 0.0 1987 0.1 1977 0.7 1991 5.1 1995 9.8 1990 32.1 2002 12.2 1983 0.1 1973 6.9 1961 52.0 2012 10.2 1971 9.7 2005 6.7 2016 4.1 1999 0.6 2016 0.0 2006 0.0 1985 0.0 1986 0.1 1976 0.7 1985 5.1 1982 9.6 1989 30.3 2006 12.0 2005 0.1 1972 6.4 1997 51.8 2009 9.9 1973 9.1 1999 6.5 1989 4.1 1997 0.6 2014 0.0 2004 0.0 1984 0.0 1985 0.1 1973 0.6 1967 4.8 2001 9.5 2004 30.1 1971 11.9 1981 0.1 1970 6.2 1982 51.3 1977 9.7 2012 9.1 1971 6.3 2004 4.0 1994 0.6 2008 0.0 2003 0.0 1983 0.0 1984 0.1 1971 0.5 2017 4.8 1974 9.5 1966 29.6 2012 11.8 2015 0.1 1968 6.1 1995 50.0 2005 9.4 2006 9.0 1988 6.3 1966 3.9 1980 0.5 2017 0.0 2002 0.0 1982 0.0 1983 0.1 1970 0.5 1984 4.8 1970 9.2 1979 29.6 1973 11.7 1990 0.1 1967 6.1 1987 48.8 2018 9.4 2004 8.9 1976 6.1 2000 3.9 1962 0.5 2004 0.0 2000 0.0 1981 0.0 1982 0.1 1962 0.5 1961 4.6 1990 8.7 1984 28.8 1993 11.7 1963 0.1 1966 6.1 1978 48.8 1961 9.4 1969 8.4 1977 6.0 1978 3.7 2010 0.5 1989 0.0 1999 0.0 1980 0.0 1981 0.0 2016 0.4 2015 4.5 1968 8.6 1987 28.5 1967 11.4 2000 0.1 1965 6.0 2004 48.6 2016 9.3 1962 8.2 1972 5.6 2014 3.7 2006 0.5 1985 0.0 1998 0.0 1979 0.0 1980 0.0 2014 0.4 2014 4.3 2007 8.4 1975 27.5 1976 10.6 1993 0.1 1961 5.9 1970 47.2 1972 9.1 2002 8.1 2007 5.6 2002 3.7 1967 0.5 1972 0.0 1997 0.0 1978 0.0 1979 0.0 2011 0.4 2011 4.3 1963 8.1 1985 27.4 2008 10.5 2002 0.0 2018 5.8 2007 46.7 1997 9.0 2016 7.4 1989 5.4 2009 3.6 2015 0.4 2006 0.0 1996 0.0 1977 0.0 1978 0.0 2006 0.4 2009 3.7 1981 7.7 1986 27.4 2000 10.4 2012 0.0 2017 5.4 2018 46.4 2006 8.9 2000 7.4 1967 5.2 1998 3.4 1985 0.4 2002 0.0 1995 0.0 1976 0.0 1976 0.0 2004 0.3 2016 3.6 2003 7.7 1983 27.0 1995 10.2 1998 0.0 2016 4.9 2001 45.0 1988 8.7 1998 7.3 2019 5.2 1977 3.2 2017 0.4 1992 0.0 1994 0.0 1975 0.0 1975 0.0 2001 0.3 1990 3.5 1987 7.5 1972 26.2 1974 10.0 1997 0.0 2014 4.9 1990 44.9 2017 8.1 1996 7.3 1992 5.0 1981 3.2 2005 0.4 1990 0.0 1993 0.0 1974 0.0 1974 0.0 2000 0.3 1978 3.3 1999 7.4 1994 26.1 1999 9.7 2011 0.0 2013 4.7 1986 44.4 2004 7.8 1993 6.8 1974 4.9 2007 2.3 1963 0.4 1988 0.0 1992 0.0 1973 0.0 1973 0.0 1999 0.3 1976 2.7 2006 7.2 2011 25.8 2019 9.7 1991 0.0 2010 4.7 1968 44.1 1994 7.1 1999 6.6 1993 4.6 1991 2.2 1964 0.4 1978 0.0 1990 0.0 1972 0.0 1972 0.0 1998 0.3 1963 2.6 2015 6.7 1997 24.6 2005 9.6 2019 0.0 2007 4.7 1963 42.6 1998 7.0 1988 6.3 2000 4.6 1983 2.1 1992 0.3 2007 0.0 1988 0.0 1971 0.0 1971 0.0 1992 0.2 1996 2.4 1986 5.8 2006 24.6 1988 9.6 1972 0.0 2006 4.2 1999 42.6 1989 6.6 2018 6.2 1980 4.4 1990 1.8 1972 0.3 2003 0.0 1984 0.0 1970 0.0 1970 0.0 1985 0.2 1977 2.3 2018 5.7 2002 23.9 1972 9.5 1967 0.0 2003 3.7 2002 40.4 1999 6.5 1974 5.4 1995 3.6 1997 1.7 2018 0.3 2000 0.0 1980 0.0 1969 0.0 1969 0.0 1981 0.2 1969 2.3 2000 5.5 2018 23.8 2017 7.9 1994 0.0 2002 3.1 2015 40.3 2000 6.0 1975 5.2 2002 3.6 1967 1.7 1993 0.3 1983 0.0 1979 0.0 1968 0.0 1968 0.0 1980 0.2 1968 2.0 2014 5.4 2016 22.9 2016 7.8 1999 0.0 1997 3.1 2000 39.5 2015 5.7 1983 4.7 2017 3.5 1999 1.6 2009 0.2 2009 0.0 1976 0.0 1967 0.0 1967 0.0 1978 0.1 2013 1.6 2009 5.1 1971 19.9 1998 7.7 2004 0.0 1995 2.8 2006 38.9 1974 5.5 2007 4.5 1998 3.0 2012 1.6 1961 0.2 1999 0.0 1970 0.0 1966 0.0 1966 0.0 1968 0.1 2006 1.6 1997 4.6 1977 19.9 1975 7.6 2014 0.0 1994 2.5 1994 37.4 2007 5.5 2005 4.3 1997 3.0 1994 1.5 2014 0.2 1998 0.0 1968 0.0 1964 0.0 1965 0.0 1967 0.1 2005 1.4 1994 3.5 1974 19.5 2007 7.2 2009 0.0 1992 2.4 2014 36.9 2011 5.2 2008 3.5 1990 3.0 1961 1.4 2007 0.2 1986 0.0 1966 0.0 1963 0.0 1963 0.0 1966 0.1 2004 1.3 2011 3.3 2013 17.1 1990 6.7 2007 0.0 1990 2.0 2009 34.2 2002 5.1 2014 3.4 2014 2.9 2019 0.9 2004 0.2 1976 0.0 1965 0.0 1962 0.0 1962 0.0 1965 0.1 1989 1.3 1984 1.9 2015 13.6 1989 6.5 2017 0.0 1979 1.9 1984 33.9 1990 4.4 1989 3.3 2011 2.9 2017 0.9 1987 0.2 1970 0.0 1963 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.9 2002 1.8 1988 11.8 2014 5.3 1961 0.0 1963 1.7 2011 29.5 2014 4.0 1990 2.7 1961 2.5 1992 0.8 2011 0.1 1964 5.1 1992