England 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 December 2012 and Winter 2013. Last updated 01/05/2013. 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 27.8 1963 26.1 1963 19.5 1962 8.8 1968 4.1 1979 0.5 1962 0.0 2012 0.1 1964 0.9 1986 4.7 1997 12.6 1985 23.2 2010 73.0 1963 23.6 1970 0.6 1962 15.8 1993 82.0 1963 25.2 1979 24.4 1986 17.0 2013 7.9 1970 3.3 1996 0.4 1991 0.0 2011 0.0 2012 0.4 1972 4.7 1993 12.6 1965 20.8 1981 57.9 1979 22.8 1962 0.4 1991 14.1 1988 81.6 2010 23.5 1985 20.0 1979 15.6 1970 7.6 2013 2.2 1982 0.2 1989 0.0 2010 0.0 2011 0.3 1979 4.0 1992 11.8 1988 19.0 1962 47.2 1985 20.1 1969 0.2 1989 13.4 1965 78.0 1979 20.1 1987 19.0 1968 14.7 1987 7.3 1984 1.8 2010 0.2 1975 0.0 2009 0.0 2010 0.3 1974 3.4 2003 11.7 1996 18.0 1961 46.8 2010 17.7 1996 0.2 1975 13.3 1985 73.7 1985 18.0 1997 18.8 1991 13.1 1969 6.5 1969 1.7 1984 0.1 1985 0.0 2008 0.0 2009 0.3 1969 3.2 1983 11.0 1993 17.4 1976 44.1 1968 17.5 1995 0.1 1985 12.8 1973 70.5 1969 17.8 2010 18.8 1983 12.4 1965 6.3 1990 1.7 1967 0.1 1978 0.0 2007 0.0 2008 0.2 2003 2.9 1981 10.9 2005 16.5 2001 44.0 1986 17.3 1979 0.1 1978 11.9 1996 70.4 1962 17.7 1980 18.8 1969 12.3 1985 6.2 1978 1.6 1995 0.1 1977 0.0 2006 0.0 2007 0.2 1993 2.7 1973 10.3 1971 15.9 1964 43.0 1982 16.7 1968 0.1 1977 11.8 1971 69.5 1996 15.2 1977 18.2 1996 12.1 2006 6.0 1986 1.5 1971 0.1 1974 0.0 2005 0.0 2006 0.2 1987 2.7 1964 10.0 1973 15.2 1995 43.0 1965 16.4 1976 0.1 1974 11.6 2010 66.5 1965 15.1 1966 17.3 1981 11.8 1995 5.8 1977 1.4 1997 0.1 1973 0.0 2004 0.0 2005 0.2 1975 2.4 1980 9.7 2010 15.1 1963 41.6 1991 16.2 1965 0.1 1973 11.0 2005 65.8 1968 14.9 1965 15.9 1978 11.8 1976 5.6 1975 1.3 1980 0.1 1971 0.0 2003 0.0 2004 0.2 1964 2.3 2008 9.5 1969 14.3 2009 41.2 1996 16.0 1987 0.1 1972 10.0 1969 65.5 1970 14.3 1992 15.0 1985 9.9 1964 5.5 1989 1.3 1977 0.1 1969 0.0 2002 0.0 2003 0.1 2012 2.1 1988 8.4 1962 13.9 1969 40.7 1987 15.7 1984 0.1 1971 9.8 1962 64.6 1981 14.2 2009 14.6 2010 9.6 2010 5.3 1996 1.2 1981 0.0 2012 0.0 2001 0.0 2002 0.1 2010 2.0 1987 7.8 1967 13.8 1996 39.8 2009 15.7 1975 0.1 1969 9.4 1972 62.8 1986 14.0 2013 14.6 1970 9.6 1971 5.2 2008 1.2 1975 0.0 2011 0.0 2000 0.0 2001 0.1 2007 1.9 2010 7.7 1972 13.7 2008 39.8 1969 15.6 2006 0.1 1967 9.3 1983 62.6 1987 14.0 1982 13.9 1987 9.3 1973 5.0 1983 1.2 1974 0.0 2010 0.0 1999 0.0 2000 0.1 2005 1.8 2002 7.5 1975 13.5 1968 39.3 1970 15.4 1985 0.1 1965 9.0 1980 60.0 2001 13.5 1991 13.7 2003 9.1 1996 4.5 2012 1.2 1968 0.0 2009 0.0 1998 0.0 1999 0.1 1995 1.5 1974 6.9 1979 12.8 1978 38.9 2011 15.1 1986 0.1 1964 8.8 1975 59.6 1973 13.4 2001 13.4 1994 9.1 1986 4.5 2003 1.1 2005 0.0 2008 0.0 1997 0.0 1998 0.1 1991 1.4 1971 6.7 1989 12.7 1967 38.9 1977 14.8 1971 0.1 1961 8.2 1967 59.1 1978 13.3 1986 13.1 2012 9.1 1979 4.5 1988 1.0 2012 0.0 2007 0.0 1996 0.0 1997 0.1 1990 1.3 2012 6.7 1980 12.6 1992 38.4 1981 14.6 1973 0.0 2012 7.9 1979 58.5 1976 13.0 1978 13.1 2001 8.9 1975 4.4 1973 0.9 1973 0.0 2006 0.0 1995 0.0 1996 0.1 1988 1.3 1962 6.4 1977 12.5 1982 37.6 1964 14.3 2010 0.0 2011 7.6 1964 58.2 1964 12.7 2011 12.7 2013 8.7 2001 4.3 1976 0.9 1962 0.0 2005 0.0 1994 0.0 1995 0.1 1983 1.2 1972 6.3 1998 12.1 1970 36.8 2013 13.0 1980 0.0 2010 7.3 1998 57.9 1991 12.7 1984 12.2 1965 8.7 1980 4.2 1997 0.8 1965 0.0 2004 0.0 1993 0.0 1994 0.1 1982 1.2 1966 6.1 1966 11.4 2005 36.3 1962 12.1 2001 0.0 2009 7.3 1997 54.1 1980 12.6 1964 11.9 2009 7.9 1993 4.1 1981 0.7 1991 0.0 2003 0.0 1992 0.0 1993 0.1 1977 1.1 2007 6.0 1983 10.9 2003 36.1 1997 12.0 1964 0.0 2008 7.3 1966 53.9 2003 12.3 1968 11.6 1973 7.6 1963 4.1 1979 0.7 1987 0.0 2002 0.0 1991 0.0 1992 0.1 1976 1.1 1970 6.0 1976 10.9 1973 35.5 1983 11.9 1982 0.0 2007 7.2 1992 52.3 1995 11.9 1981 11.2 1984 7.5 2005 4.0 1995 0.7 1961 0.0 2001 0.0 1990 0.0 1991 0.1 1971 1.0 1998 5.9 1961 10.7 1991 34.9 2001 11.7 1978 0.0 2006 6.9 1989 51.7 1982 11.4 2003 10.9 2008 7.4 2011 3.9 2000 0.6 2001 0.0 2000 0.0 1989 0.0 1990 0.1 1963 1.0 1975 5.4 1978 10.4 2007 33.1 1992 11.7 1974 0.0 2005 6.7 1961 50.3 1984 10.9 1961 10.9 2004 6.9 1974 3.8 1991 0.6 1994 0.0 1999 0.0 1988 0.0 1989 0.0 2011 0.9 1994 5.2 1991 10.1 2012 32.3 1978 11.6 1977 0.0 2004 6.6 2008 49.3 1983 10.8 1970 9.9 2005 6.8 1984 3.8 1966 0.6 1993 0.0 1998 0.0 1987 0.0 1988 0.0 2009 0.7 1991 5.1 1995 9.7 1965 31.6 1966 11.4 2003 0.0 2003 6.5 2003 48.5 2009 10.7 1967 9.9 1964 6.7 1968 3.7 1999 0.5 2011 0.0 1997 0.0 1986 0.0 1987 0.0 2008 0.7 1986 4.9 2012 9.6 1999 31.5 1984 11.2 2008 0.0 2002 6.5 1977 48.2 1971 10.4 1995 9.7 2006 6.6 2003 3.7 1998 0.4 1969 0.0 1996 0.0 1985 0.0 1986 0.0 2006 0.7 1985 4.8 2001 9.2 1998 30.6 2004 10.9 2005 0.0 2001 6.3 2012 47.8 2005 10.0 1972 9.7 1962 6.4 1972 3.6 1974 0.4 1966 0.0 1995 0.0 1984 0.0 1985 0.0 2004 0.7 1982 4.7 2007 9.2 1990 30.5 1980 10.6 1988 0.0 2000 6.3 1976 46.8 1967 9.6 2000 9.4 1976 6.2 1982 3.6 1971 0.4 1963 0.0 1994 0.0 1983 0.0 1984 0.0 2002 0.7 1979 4.7 1964 9.2 1975 30.3 2006 10.3 1990 0.0 1999 6.1 1991 46.4 2012 9.6 1973 8.8 1971 5.9 1988 3.5 1982 0.3 2008 0.0 1993 0.0 1982 0.0 1983 0.0 2001 0.7 1965 4.3 2008 9.1 1980 29.6 2003 9.9 1989 0.0 1998 6.0 2007 46.4 1975 9.1 2006 8.6 1975 5.8 2009 3.3 2006 0.3 2004 0.0 1992 0.0 1981 0.0 1982 0.0 2000 0.7 1961 4.2 1982 8.7 1984 29.3 1971 9.9 1966 0.0 1997 6.0 1981 46.4 1966 9.1 1976 8.2 1982 5.7 1966 3.1 1965 0.3 2002 0.0 1990 0.0 1980 0.0 1981 0.0 1999 0.6 1999 4.1 1968 8.5 2004 28.9 1994 9.8 1963 0.0 1996 5.8 1995 46.1 1992 8.8 2004 8.1 1992 5.6 2008 3.0 2002 0.3 1990 0.0 1988 0.0 1979 0.0 1980 0.0 1998 0.6 1995 4.0 2004 8.3 2000 28.4 2002 9.6 1993 0.0 1995 5.7 1978 45.7 2008 8.6 1962 7.9 1999 5.6 2004 3.0 1980 0.3 1989 0.0 1987 0.0 1978 0.0 1979 0.0 1997 0.6 1984 3.7 1990 7.7 1983 27.7 1976 9.4 1983 0.0 1994 5.2 1987 44.9 1993 8.5 1971 7.9 1988 5.3 1978 3.0 1967 0.3 1985 0.0 1986 0.0 1977 0.0 1978 0.0 1996 0.5 2011 3.3 2006 7.5 1993 27.0 1973 8.8 2000 0.0 1993 5.0 1982 44.6 1997 8.3 2012 7.7 1967 4.8 2000 2.9 2010 0.3 1976 0.0 1984 0.0 1976 0.0 1977 0.0 1994 0.4 2000 3.2 1992 7.5 1979 26.9 2012 8.6 2012 0.0 1992 4.9 2001 43.4 2006 8.3 1998 7.1 2007 4.5 2002 2.8 2001 0.3 1972 0.0 1983 0.0 1975 0.0 1976 0.0 1992 0.3 2009 3.2 1970 7.3 1987 25.7 1967 8.5 1981 0.0 1990 4.9 1974 43.2 1977 8.1 1994 6.9 1966 4.5 1977 2.8 1985 0.2 2007 0.0 1982 0.0 1974 0.0 1975 0.0 1989 0.3 1990 3.1 1981 7.3 1966 24.7 2000 8.4 2011 0.0 1988 4.4 1970 42.8 1961 7.8 2002 6.5 1989 4.3 1961 2.6 1994 0.2 2006 0.0 1981 0.0 1973 0.0 1974 0.0 1985 0.3 1978 3.0 1987 7.2 1994 24.6 2008 8.3 1991 0.0 1987 4.3 1968 40.2 1988 7.8 1996 6.3 1977 4.2 1983 2.4 1962 0.2 2003 0.0 1980 0.0 1972 0.0 1973 0.0 1984 0.3 1967 3.0 1974 7.1 1989 24.6 1993 8.2 1997 0.0 1986 4.1 2004 39.1 2004 7.6 1969 6.0 1974 4.1 1989 2.3 2005 0.2 2000 0.0 1979 0.0 1971 0.0 1972 0.0 1981 0.2 1996 2.9 2003 6.7 1997 23.2 1999 7.8 1972 0.0 1984 4.1 1990 39.0 1972 6.3 1993 6.0 1972 3.9 1991 2.1 1964 0.2 1998 0.0 1976 0.0 1970 0.0 1971 0.0 1980 0.2 1976 2.9 1963 6.7 1986 22.9 2005 7.7 2002 0.0 1983 3.3 2006 37.3 1998 6.1 1999 5.7 1993 3.8 2007 2.0 1992 0.2 1992 0.0 1972 0.0 1969 0.0 1970 0.0 1978 0.2 1969 2.5 1997 6.4 1985 21.8 1974 7.5 1998 0.0 1982 3.2 1986 36.0 1989 5.7 1988 5.5 2000 3.7 1990 1.8 1963 0.2 1988 0.0 1970 0.0 1968 0.0 1969 0.0 1973 0.2 1963 2.1 2000 5.8 1972 20.9 1995 7.5 1967 0.0 1981 3.1 1963 35.6 1994 5.5 1989 5.2 1980 3.6 1998 1.2 1993 0.2 1983 0.0 1968 0.0 1967 0.0 1968 0.0 1970 0.1 2004 2.0 1999 5.6 2006 20.9 1988 7.0 2009 0.0 1980 2.7 1999 34.7 2000 4.9 1974 4.9 1998 3.1 2012 1.1 2009 0.2 1978 0.0 1967 0.0 1966 0.0 1967 0.0 1968 0.1 1989 1.6 1986 5.5 2011 20.3 1972 6.9 1999 0.0 1979 2.6 2002 33.2 1999 4.6 2007 4.3 1997 3.1 1999 1.1 2007 0.1 2009 0.0 1966 0.0 1965 0.0 1966 0.0 1967 0.1 1977 1.3 1984 4.5 2002 20.0 1998 6.8 2004 0.0 1976 2.5 2000 33.0 2007 4.5 2005 4.1 2002 3.1 1981 1.1 1972 0.1 1999 0.0 1965 0.0 1964 0.0 1965 0.0 1966 0.1 1968 1.2 2011 4.3 1971 17.2 2007 5.8 1961 0.0 1970 2.0 1984 31.3 2011 4.2 1983 3.4 1995 2.7 1967 0.9 2004 0.1 1986 0.0 1964 0.0 1963 0.0 1963 0.0 1965 0.0 2006 0.9 1994 3.4 1977 14.6 1975 5.2 1994 0.0 1968 1.8 1994 29.7 1974 3.8 1975 3.0 2011 2.6 1997 0.8 1961 0.1 1970 0.0 1963 0.0 1962 0.0 1962 0.0 1962 0.0 2005 0.8 2009 2.2 1974 13.7 1989 5.0 2007 0.0 1966 1.7 2011 28.8 1990 3.3 2008 2.0 1990 2.0 1994 0.6 1987 0.1 1964 0.0 1961 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.7 2002 1.8 1988 12.2 1990 3.9 1992 0.0 1963 1.2 2009 26.7 2002 3.2 1990 1.4 1961 1.6 1992 0.5 2011