England_and_Wales 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 27.9 1963 26.0 1963 19.6 1962 8.8 1968 4.2 1979 0.5 1962 0.0 2012 0.1 1964 1.0 1986 4.8 1993 12.5 1965 23.2 2010 72.5 1963 23.5 1970 0.5 1962 15.8 1993 82.7 2010 25.0 1979 24.4 1986 17.3 2013 7.9 1970 3.6 1996 0.4 1991 0.0 2011 0.0 2012 0.5 1972 4.7 1997 12.2 1985 20.6 1981 57.7 1979 23.1 1962 0.4 1991 13.9 1988 81.9 1963 23.5 1985 19.9 1979 15.5 1970 7.7 2013 2.3 1982 0.2 1989 0.0 2010 0.0 2011 0.4 1979 3.9 1992 11.6 1988 18.6 1962 46.9 2010 20.6 1969 0.2 1989 13.2 1965 78.2 1979 20.0 1987 19.2 1968 14.5 1987 7.2 1984 1.8 2010 0.2 1975 0.0 2009 0.0 2010 0.4 1974 3.6 2003 11.4 1996 17.8 1961 46.7 1985 17.9 1996 0.2 1975 13.0 1985 73.1 1985 18.0 2010 18.9 1991 13.5 1969 6.6 1969 1.8 1984 0.1 2011 0.0 2008 0.0 2009 0.4 1969 3.2 1983 10.9 2005 17.2 1976 44.0 1986 17.8 1979 0.1 2011 12.2 1973 71.4 1969 17.9 1997 18.7 1983 12.3 1985 6.4 1990 1.7 1995 0.1 1987 0.0 2007 0.0 2008 0.3 1975 2.8 1981 10.8 1993 16.2 2001 43.5 1968 17.4 1995 0.1 2001 11.7 2010 70.1 1996 17.8 1980 18.7 1969 12.3 1965 6.3 1978 1.7 1967 0.1 1985 0.0 2006 0.0 2007 0.2 2003 2.7 1973 10.1 1971 15.6 1964 42.9 1965 17.1 1968 0.1 1999 11.6 1996 69.8 1962 15.2 1977 18.3 1996 12.0 2006 6.2 1986 1.6 1971 0.1 1978 0.0 2005 0.0 2006 0.2 1993 2.6 1964 9.6 2010 15.3 1995 42.7 1982 16.4 1976 0.1 1987 11.6 1971 66.3 1965 15.0 1966 17.2 1981 11.9 1976 5.8 1977 1.4 1997 0.1 1977 0.0 2004 0.0 2005 0.2 1987 2.3 2008 9.5 1973 15.0 1963 42.1 1991 16.4 1965 0.1 1985 11.0 2005 66.0 1968 14.8 1965 15.8 1978 11.7 1995 5.7 1989 1.4 1977 0.1 1974 0.0 2003 0.0 2004 0.2 1964 2.2 1980 9.5 1969 14.2 2009 41.6 1996 16.1 1975 0.1 1981 10.1 1969 65.3 1970 14.3 2009 14.8 1985 10.2 1964 5.7 1975 1.4 1975 0.1 1973 0.0 2002 0.0 2003 0.1 2012 2.1 1988 8.2 1962 14.2 1969 40.6 1987 16.0 1987 0.1 1978 9.6 1962 63.9 1981 14.3 1992 14.7 2010 10.0 2010 5.3 2008 1.3 1980 0.1 1972 0.0 2001 0.0 2002 0.1 2010 2.0 2010 7.8 1967 14.1 1996 39.9 2009 15.9 1984 0.1 1977 9.5 1972 63.0 1986 14.1 2013 14.5 1970 9.5 1971 5.2 1996 1.3 1968 0.1 1971 0.0 2000 0.0 2001 0.1 2007 1.9 1987 7.7 1972 14.0 2008 39.8 1969 15.6 2006 0.1 1974 9.3 1983 62.6 1987 13.8 1991 13.9 1987 9.4 1979 5.1 1983 1.2 1981 0.1 1969 0.0 1999 0.0 2000 0.1 2005 1.8 2002 7.1 1975 13.4 1968 39.5 1970 15.4 1985 0.1 1973 9.0 1980 60.2 2001 13.8 1982 13.5 2003 9.3 1973 4.6 2012 1.2 1974 0.1 1967 0.0 1998 0.0 1999 0.1 1996 1.6 1974 6.8 1980 12.8 1978 39.3 2011 15.3 1986 0.1 1972 8.5 1975 58.8 1973 13.4 2001 13.2 2001 9.1 1996 4.5 1988 1.1 2005 0.1 1961 0.0 1997 0.0 1998 0.1 1995 1.4 1971 6.6 1979 12.5 1992 38.6 1977 15.0 2010 0.1 1971 8.2 1967 58.7 1978 13.1 1986 13.2 1994 9.0 1986 4.5 1973 0.9 2012 0.0 2012 0.0 1996 0.0 1997 0.1 1991 1.3 2012 6.5 1989 12.4 1967 37.7 1981 14.8 1973 0.1 1969 7.7 1979 58.4 1976 13.0 2011 12.9 2012 9.0 1975 4.4 2003 0.9 1973 0.0 2010 0.0 1995 0.0 1996 0.1 1990 1.3 1972 6.5 1977 12.2 1982 37.5 1964 14.8 1971 0.1 1968 7.5 1964 58.3 1964 12.5 1984 12.8 2013 8.9 2001 4.3 1981 0.9 1962 0.0 2009 0.0 1994 0.0 1995 0.1 1988 1.3 1962 6.1 1998 12.1 1970 36.9 2013 13.2 1980 0.1 1967 7.3 1966 57.6 1991 12.5 1978 12.5 1965 8.8 1980 4.3 1979 0.8 1987 0.0 2008 0.0 1993 0.0 1994 0.1 1983 1.2 1966 6.0 1983 11.0 2005 36.3 1997 12.7 2001 0.1 1966 7.1 1998 54.1 1980 12.4 1964 11.7 2009 7.8 2011 4.3 1976 0.8 1965 0.0 2007 0.0 1992 0.0 1993 0.1 1982 1.1 2007 6.0 1966 10.7 2003 35.9 1962 12.5 1964 0.1 1965 7.1 1997 53.7 2003 12.0 1968 11.3 1984 7.7 1993 4.1 1997 0.7 1993 0.0 2006 0.0 1991 0.0 1992 0.1 1977 1.1 1975 5.8 1976 10.6 1973 35.1 1983 12.2 1974 0.1 1964 7.0 1992 51.9 1995 11.6 1981 11.3 1973 7.6 1963 4.0 2000 0.7 1991 0.0 2005 0.0 1990 0.0 1991 0.1 1976 1.1 1970 5.6 1961 10.4 2007 34.8 2001 12.0 1982 0.1 1961 6.8 2003 51.4 1982 11.4 2003 11.0 2004 7.5 2005 4.0 1995 0.7 1961 0.0 2004 0.0 1989 0.0 1990 0.1 1973 1.0 1998 5.3 1978 10.3 1991 32.3 1992 11.9 1978 0.0 2012 6.7 1977 50.3 1984 11.0 1961 10.8 2008 7.2 1974 4.0 1966 0.6 2001 0.0 2003 0.0 1988 0.0 1989 0.1 1971 1.0 1994 5.1 1991 10.0 2012 31.7 1978 11.5 1977 0.0 2010 6.6 1989 49.0 1983 10.8 1970 10.1 2005 7.0 1984 3.8 1998 0.6 1994 0.0 2002 0.0 1987 0.0 1988 0.1 1965 0.7 1999 5.0 1995 9.5 1990 31.3 1966 11.3 2003 0.0 2009 6.5 2008 48.7 2009 10.5 1967 10.1 1964 7.0 1968 3.8 1991 0.5 2011 0.0 2001 0.0 1986 0.0 1987 0.1 1963 0.7 1991 4.9 2012 9.4 1965 31.2 1984 11.2 2008 0.0 2008 6.3 2012 47.9 1971 10.2 1995 9.9 2006 6.6 2003 3.8 1974 0.5 1969 0.0 2000 0.0 1985 0.0 1986 0.1 1962 0.7 1986 4.7 2007 9.1 1999 30.6 1980 11.0 2005 0.0 2007 6.3 1961 47.6 2005 9.8 1972 9.6 1976 6.5 1972 3.7 1999 0.5 1963 0.0 1999 0.0 1984 0.0 1985 0.0 2011 0.7 1985 4.7 2001 9.1 1998 30.4 2006 10.5 1988 0.0 2006 6.1 1976 46.6 1967 9.7 2000 9.6 1962 6.1 1982 3.7 1971 0.4 1966 0.0 1998 0.0 1983 0.0 1984 0.0 2009 0.7 1982 4.7 1964 9.0 1980 30.4 2004 10.3 1990 0.0 2005 6.0 2007 46.2 1966 9.6 1973 8.7 1971 6.0 2004 3.5 1982 0.3 2008 0.0 1997 0.0 1982 0.0 1983 0.0 2008 0.7 1979 4.3 1968 8.8 1975 29.5 2003 10.2 1989 0.0 2004 5.9 1991 46.0 2012 9.4 2006 8.3 1982 5.8 2009 3.4 2006 0.3 2004 0.0 1996 0.0 1981 0.0 1982 0.0 2006 0.7 1965 4.2 2008 8.4 1984 29.1 1971 10.0 1966 0.0 2003 5.8 1981 45.9 2008 8.9 1976 8.3 1975 5.7 1988 3.2 2010 0.3 2003 0.0 1995 0.0 1980 0.0 1981 0.0 2004 0.7 1961 4.2 1982 8.2 2000 28.5 1994 9.8 1963 0.0 2002 5.7 1995 45.8 1975 8.7 2004 7.9 1988 5.6 2008 3.2 1965 0.3 2002 0.0 1994 0.0 1979 0.0 1980 0.0 2002 0.6 1984 3.9 2004 8.1 2004 28.1 2002 9.6 1993 0.0 2000 5.6 1978 45.4 1992 8.6 1998 7.7 1999 5.6 1966 3.1 2002 0.3 1990 0.0 1993 0.0 1978 0.0 1979 0.0 2001 0.5 2011 3.9 1990 7.7 1979 27.4 1976 9.4 1983 0.0 1998 5.2 1987 44.5 1993 8.4 1962 7.7 1992 5.3 1978 3.1 2001 0.3 1989 0.0 1992 0.0 1977 0.0 1978 0.0 2000 0.5 1995 3.4 2006 7.4 1993 26.5 1973 9.0 2000 0.0 1997 5.0 1982 44.4 1997 8.3 1971 7.7 1967 4.8 2000 3.1 1980 0.3 1988 0.0 1990 0.0 1976 0.0 1977 0.0 1999 0.4 2009 3.1 1987 7.4 1987 26.4 2012 8.7 2011 0.0 1996 4.8 1974 43.9 2006 8.2 2012 7.0 2007 4.5 2002 3.0 1967 0.3 1985 0.0 1988 0.0 1975 0.0 1976 0.0 1998 0.4 2000 3.1 1970 7.4 1983 25.2 1967 8.7 1981 0.0 1995 4.7 2001 43.3 1977 8.1 1996 6.9 1966 4.3 1977 2.8 1994 0.3 1978 0.0 1986 0.0 1974 0.0 1975 0.0 1997 0.4 1967 3.0 2003 7.3 1989 24.6 2008 8.6 2012 0.0 1994 4.4 1968 42.5 1961 7.9 1994 6.4 1989 4.3 1961 2.8 1985 0.3 1976 0.0 1984 0.0 1973 0.0 1974 0.0 1994 0.3 1978 3.0 1992 6.9 1966 24.2 2000 8.4 1991 0.0 1993 4.3 1990 39.5 1988 7.7 2002 6.3 1977 4.2 1989 2.5 1962 0.3 1972 0.0 1983 0.0 1972 0.0 1973 0.0 1992 0.3 1976 3.0 1981 6.8 1997 24.2 1993 8.2 1997 0.0 1992 4.3 1970 39.1 2004 7.7 1969 6.0 1974 4.1 1983 2.4 2005 0.2 2007 0.0 1982 0.0 1971 0.0 1972 0.0 1989 0.2 1996 2.9 1974 6.8 1994 23.0 1999 8.0 2002 0.0 1990 4.0 2004 38.9 1972 6.3 1999 6.0 1972 3.9 1991 2.2 1964 0.2 2006 0.0 1981 0.0 1970 0.0 1971 0.0 1985 0.2 1990 2.9 1963 6.7 1986 22.7 2005 8.0 1972 0.0 1988 3.5 2006 36.9 1998 6.1 1993 5.6 1993 3.8 2007 2.0 1992 0.2 2000 0.0 1980 0.0 1969 0.0 1970 0.0 1984 0.2 1969 2.4 1997 6.4 1985 21.7 1974 7.7 1967 0.0 1986 3.4 1986 36.1 1989 5.4 1988 5.4 2000 3.6 1990 1.8 1963 0.2 1998 0.0 1979 0.0 1968 0.0 1969 0.0 1981 0.2 1963 2.1 2000 5.6 1972 20.7 1988 7.4 1998 0.0 1984 3.1 1963 35.3 1994 5.3 1989 5.1 1980 3.4 1998 1.3 2009 0.2 1992 0.0 1976 0.0 1967 0.0 1968 0.0 1980 0.1 2004 2.1 1999 5.5 2006 20.4 1995 7.3 2009 0.0 1983 2.8 1999 34.8 2000 5.0 1974 4.8 1998 3.2 1981 1.2 1993 0.2 1983 0.0 1970 0.0 1966 0.0 1967 0.0 1978 0.1 1989 1.7 1986 5.3 2011 20.2 1972 7.2 2004 0.0 1982 2.6 2002 33.2 2007 4.6 2007 4.3 1997 3.1 1999 1.2 1972 0.1 2009 0.0 1968 0.0 1965 0.0 1966 0.0 1970 0.1 1977 1.4 1984 4.6 2002 20.1 1998 6.9 1999 0.0 1980 2.5 2000 32.9 1999 4.5 2005 4.2 2002 3.0 2012 1.1 2007 0.1 1999 0.0 1966 0.0 1964 0.0 1965 0.0 1968 0.1 1968 1.1 2011 4.4 1971 17.1 2007 5.9 1961 0.0 1979 2.1 1984 31.8 2011 4.2 1983 3.4 1995 2.9 1967 0.9 2004 0.1 1986 0.0 1965 0.0 1963 0.0 1963 0.0 1967 0.0 2006 0.8 2009 3.4 1977 14.2 1975 5.5 1994 0.0 1976 1.8 1994 30.2 1974 3.8 1975 3.1 2011 2.7 1997 0.8 1961 0.1 1970 0.0 1964 0.0 1962 0.0 1962 0.0 1966 0.0 2005 0.8 1994 2.1 1974 13.5 1989 5.2 2007 0.0 1970 1.6 2011 29.3 1990 3.4 2008 2.0 1990 2.1 1994 0.7 1987 0.1 1964 0.0 1963 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.7 2002 1.7 1988 12.5 1990 3.9 1992 0.0 1963 1.2 2009 27.1 2002 3.2 1990 1.5 1961 1.7 1992 0.5 2011