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 November 2011 and Autumn 2011. Last updated 02/05/2012 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 26.6 1970 0.6 1962 18.9 1993 88.4 2010 25.6 1963 24.2 1986 17.0 1970 9.4 1970 3.7 1996 0.5 1962 0.0 2011 0.1 1964 0.8 1972 5.5 1992 14.5 1985 22.8 2010 63.2 1979 25.1 1969 0.5 1991 15.5 1965 87.7 1979 23.8 1985 21.8 1979 16.3 1969 8.2 1984 2.7 1984 0.4 1975 0.0 2010 0.0 2011 0.7 1979 4.8 1997 13.3 1996 20.5 1961 52.6 2010 24.9 1962 0.4 1975 15.2 1985 83.3 1969 21.1 1987 21.4 1968 15.9 1987 8.0 1969 2.6 2010 0.3 1989 0.0 2009 0.0 2010 0.7 1974 4.6 1981 12.7 1993 19.9 1962 49.0 1968 21.5 1979 0.3 1989 14.6 1973 82.9 1963 19.3 1997 20.3 1983 14.4 2006 7.3 1983 2.6 1995 0.2 1977 0.0 2008 0.0 2009 0.4 1987 3.9 1983 12.3 1969 19.0 1976 48.9 1982 21.1 1995 0.3 1977 13.6 1996 80.6 1985 18.2 1980 20.0 1969 14.2 1965 7.2 1978 2.6 1982 0.2 1974 0.0 2007 0.0 2008 0.4 1964 3.5 2003 11.6 1971 17.8 2001 48.6 1985 20.2 1968 0.2 1974 13.6 1988 76.0 1981 17.7 1991 19.0 1996 13.4 1995 7.0 1990 2.3 1975 0.2 1971 0.0 2006 0.0 2007 0.3 2007 3.5 1973 11.4 2005 17.3 1964 48.2 1986 20.0 1975 0.2 1971 13.6 1971 76.0 1962 17.6 2010 19.0 1991 13.4 1985 7.0 1989 2.2 1997 0.2 1969 0.0 2005 0.0 2006 0.3 1995 3.1 1980 11.1 1973 16.3 2009 46.5 1991 19.5 1965 0.2 1969 12.7 1969 75.2 1965 17.3 1977 18.7 2010 12.6 1976 7.0 1986 2.2 1967 0.1 2009 0.0 2004 0.0 2005 0.3 1993 3.1 1964 10.6 1988 16.2 1995 45.5 1965 19.1 1996 0.2 1964 12.0 2010 74.9 1968 16.5 1965 17.8 1981 12.3 2001 6.0 1977 2.0 1968 0.1 2005 0.0 2003 0.0 2004 0.3 1975 2.8 2008 10.1 2010 15.9 1969 44.7 1970 18.8 1984 0.1 2011 11.7 2005 74.0 1996 16.4 1984 17.7 1978 12.2 1979 6.0 1975 1.9 1977 0.1 2001 0.0 2002 0.0 2003 0.2 1991 2.8 2002 9.8 1967 15.2 1978 44.6 1977 18.6 2006 0.1 2009 11.4 1962 72.2 2001 16.0 1992 16.6 1970 11.6 1975 6.0 1973 1.9 1971 0.1 1987 0.0 2001 0.0 2002 0.2 1988 2.8 1988 9.5 1962 14.9 1982 44.1 1969 18.1 1987 0.1 2008 11.0 1972 72.1 1970 15.9 1986 16.1 1985 11.5 1980 6.0 1966 1.8 1980 0.1 1986 0.0 2000 0.0 2001 0.2 1983 2.2 1987 8.9 1972 14.8 1968 43.9 1987 17.7 2001 0.1 2005 10.9 1992 69.6 1986 15.8 2001 16.0 2001 10.9 1964 5.8 2012 1.6 1973 0.1 1985 0.0 1999 0.0 2000 0.2 1969 2.1 1974 8.5 1975 14.7 2008 43.3 1996 17.5 1976 0.1 2004 10.7 1983 69.0 1987 15.6 1978 16.0 1994 10.8 2010 5.7 1996 1.5 1981 0.1 1983 0.0 1998 0.0 1999 0.2 1963 1.9 2010 7.5 1998 14.4 1992 42.3 2001 17.3 1985 0.1 2001 10.4 1967 68.5 1978 15.5 1966 15.6 2003 10.3 1971 5.6 2008 1.4 1974 0.1 1982 0.0 1997 0.0 1998 0.1 2010 1.9 1971 7.5 1976 14.2 1996 42.0 1981 17.3 1971 0.1 2000 10.3 1980 66.3 1973 15.4 1982 15.1 1987 9.9 1986 5.6 1974 1.3 2005 0.1 1981 0.0 1996 0.0 1997 0.1 2009 1.8 1966 7.4 1979 13.9 2003 41.1 2011 17.2 2010 0.1 1999 10.3 1975 65.2 1991 14.9 2011 13.0 2009 9.8 1996 5.4 1981 1.3 1987 0.1 1978 0.0 1995 0.0 1996 0.1 2008 1.8 1962 7.3 1977 13.7 1967 41.0 2009 17.2 1980 0.1 1998 9.7 1964 64.5 1964 14.3 1981 13.0 1984 8.9 1973 5.2 1995 1.1 2001 0.1 1973 0.0 1994 0.0 1995 0.1 2005 1.7 1998 7.1 1980 13.6 1963 40.9 1983 17.0 1986 0.1 1996 9.3 1998 63.6 1976 14.2 1995 12.9 2012 8.7 1963 5.1 2000 1.1 1965 0.1 1972 0.0 1993 0.0 1994 0.1 2003 1.5 1975 7.0 1966 12.9 1973 39.8 1962 16.5 1973 0.1 1993 9.0 1979 63.1 1995 13.9 1968 12.2 1973 8.4 1988 5.1 1971 1.0 1994 0.1 1967 0.0 1992 0.0 1993 0.1 2002 1.3 1972 6.7 1989 12.2 1999 38.3 1966 14.5 1974 0.1 1988 8.8 1966 61.8 1980 13.3 1961 11.8 2004 8.2 2011 4.8 1988 0.8 1993 0.1 1964 0.0 1991 0.0 1992 0.1 1997 1.2 2007 6.6 1983 12.0 1965 37.9 1978 14.0 1989 0.1 1987 8.6 2008 61.1 2003 13.2 2009 11.6 1965 8.2 1968 4.7 2003 0.8 1969 0.1 1961 0.0 1990 0.0 1991 0.1 1996 1.0 1994 6.4 1961 11.4 1991 37.8 1997 13.8 1982 0.1 1986 8.3 1981 60.2 1982 13.0 1964 11.2 1964 8.0 1993 4.7 1998 0.8 1962 0.0 2011 0.0 1989 0.0 1990 0.1 1994 1.0 1982 6.2 1964 11.3 2007 37.8 1964 13.7 2008 0.1 1985 7.9 1976 58.8 1984 12.1 1970 10.9 2008 7.9 1984 4.7 1976 0.7 2011 0.0 2010 0.0 1988 0.0 1989 0.1 1990 1.0 1970 6.0 1991 11.1 2005 37.3 1994 13.7 1978 0.1 1984 7.6 1977 57.8 1966 11.7 2003 10.8 1966 7.7 2003 4.5 2002 0.7 1991 0.0 2008 0.0 1987 0.0 1988 0.1 1989 0.9 1999 5.8 2004 11.1 1993 37.1 1984 13.6 1988 0.1 1983 7.5 1974 56.8 1983 11.7 1967 10.4 1975 7.5 2008 4.5 1979 0.7 1966 0.0 2007 0.0 1986 0.0 1987 0.1 1984 0.9 1986 5.8 1978 10.8 1970 35.1 2004 13.2 1977 0.1 1982 7.3 2003 55.5 1971 10.7 1972 9.9 1962 7.5 2005 4.4 1991 0.7 1963 0.0 2006 0.0 1985 0.0 1986 0.1 1982 0.9 1979 5.7 2008 10.5 2000 34.7 1992 13.2 1964 0.1 1981 6.9 1991 55.4 1975 10.2 1994 9.8 2006 7.4 1974 4.2 2001 0.7 1961 0.0 2004 0.0 1984 0.0 1985 0.1 1977 0.8 2000 5.4 1992 9.9 1998 33.6 1980 13.1 1966 0.1 1980 6.9 1989 55.0 1993 10.2 1976 9.8 1982 7.3 1972 4.2 1982 0.6 2008 0.0 2003 0.0 1983 0.0 1984 0.1 1976 0.8 1995 5.1 1995 9.9 1980 33.0 2003 12.6 2003 0.1 1978 6.9 1961 53.8 1992 10.2 1971 9.7 2005 7.1 1982 4.2 1965 0.5 2004 0.0 2002 0.0 1982 0.0 1983 0.1 1973 0.8 1965 5.1 1982 9.8 1990 32.1 2002 12.2 1983 0.1 1976 6.4 1997 53.1 2008 9.9 1973 9.1 1999 6.5 1989 4.1 1999 0.5 1989 0.0 2000 0.0 1981 0.0 1982 0.1 1971 0.7 1991 4.8 2001 9.6 1989 30.3 2006 12.0 2005 0.1 1973 6.2 1982 52.8 1967 9.8 2012 9.1 1971 6.3 2004 4.1 1997 0.5 1985 0.0 1999 0.0 1980 0.0 1981 0.1 1970 0.7 1985 4.8 1974 9.5 2004 30.1 1971 11.9 1981 0.1 1972 6.1 1995 51.8 2009 9.4 2006 9.0 1988 6.3 1966 4.0 1994 0.5 1972 0.0 1998 0.0 1979 0.0 1980 0.1 1962 0.6 1967 4.8 1970 9.5 1966 29.9 2012 11.7 1990 0.1 1970 6.1 1987 51.3 1977 9.4 2004 8.9 1976 6.1 2000 3.9 1980 0.4 2006 0.0 1997 0.0 1978 0.0 1979 0.0 2011 0.5 1984 4.6 1990 9.2 1979 29.6 1973 11.7 1963 0.1 1968 6.1 1978 50.0 2005 9.4 1969 8.4 1977 6.0 1978 3.9 1962 0.4 2002 0.0 1996 0.0 1977 0.0 1978 0.0 2006 0.5 1961 4.5 1968 8.7 1984 28.8 1993 11.4 2000 0.1 1967 6.0 2004 48.8 1961 9.3 1962 8.2 1972 5.6 2002 3.7 2010 0.4 1992 0.0 1995 0.0 1976 0.0 1976 0.0 2004 0.4 2011 4.3 2007 8.6 1987 28.5 1967 10.6 1993 0.1 1966 5.9 1970 47.2 1972 9.1 2002 8.1 2007 5.4 2009 3.7 2006 0.4 1990 0.0 1994 0.0 1975 0.0 1975 0.0 2001 0.4 2009 4.3 1963 8.4 1975 27.5 1976 10.5 2002 0.1 1965 5.8 2007 46.7 1997 8.9 2000 7.4 1989 5.2 1998 3.7 1967 0.4 1988 0.0 1993 0.0 1974 0.0 1974 0.0 2000 0.3 1990 3.7 1981 8.1 1985 27.4 2008 10.2 1998 0.1 1961 4.9 2001 46.4 2006 8.7 1998 7.4 1967 5.2 1977 3.4 1985 0.4 1978 0.0 1992 0.0 1973 0.0 1973 0.0 1999 0.3 1978 3.6 2003 7.7 1986 27.4 2000 10.0 1997 0.0 2010 4.9 1990 45.0 1988 8.1 1996 7.3 1992 5.0 1981 3.2 2005 0.3 2007 0.0 1990 0.0 1972 0.0 1972 0.0 1998 0.3 1976 3.5 1987 7.7 1983 27.0 1995 9.7 2011 0.0 2007 4.7 1986 44.4 2004 7.8 1993 6.8 1974 4.9 2007 2.3 1963 0.3 2003 0.0 1988 0.0 1971 0.0 1971 0.0 1992 0.3 1963 3.3 1999 7.5 1972 26.2 1974 9.7 1991 0.0 2006 4.7 1968 44.1 1994 7.1 1999 6.6 1993 4.6 1991 2.2 1964 0.3 2000 0.0 1984 0.0 1970 0.0 1970 0.0 1985 0.2 1996 2.7 2006 7.4 1994 26.1 1999 9.6 1972 0.0 2003 4.7 1963 42.6 1998 7.0 1988 6.3 2000 4.6 1983 2.1 1992 0.3 1983 0.0 1980 0.0 1969 0.0 1969 0.0 1981 0.2 1977 2.4 1986 7.2 2011 24.6 2005 9.5 1967 0.0 2002 4.2 1999 42.6 1989 6.5 1974 6.2 1980 4.4 1990 1.8 1972 0.2 2009 0.0 1979 0.0 1968 0.0 1968 0.0 1980 0.2 1969 2.3 2000 6.7 1997 24.6 1988 7.9 1994 0.0 1997 3.7 2002 40.4 1999 6.0 1975 5.4 1995 3.6 1997 1.7 1993 0.2 1999 0.0 1976 0.0 1967 0.0 1967 0.0 1978 0.2 1968 1.6 2009 5.8 2006 23.9 1972 7.8 1999 0.0 1995 3.1 2000 40.3 2000 5.7 1983 5.2 2002 3.6 1967 1.6 2009 0.2 1998 0.0 1970 0.0 1966 0.0 1966 0.0 1968 0.1 2006 1.6 1997 5.7 2002 19.9 1998 7.7 2004 0.0 1994 2.8 2006 38.9 1974 5.5 2007 4.5 1998 3.5 1999 1.6 1961 0.2 1986 0.0 1968 0.0 1964 0.0 1965 0.0 1967 0.1 2005 1.4 1994 5.1 1971 19.9 1975 7.2 2009 0.0 1992 2.5 1994 37.4 2007 5.5 2005 4.3 1997 3.2 2012 1.4 2007 0.2 1976 0.0 1966 0.0 1963 0.0 1963 0.0 1966 0.1 2004 1.3 2011 4.6 1977 19.5 2007 6.7 2007 0.0 1990 2.0 2009 37.1 2011 5.2 2008 3.5 1990 3.0 1994 0.9 2004 0.2 1970 0.0 1965 0.0 1962 0.0 1962 0.0 1965 0.1 1989 1.3 1984 3.5 1974 17.1 1990 5.3 1961 0.0 1979 1.9 1984 34.2 2002 4.4 1989 3.3 2011 3.0 1961 0.9 1987 0.1 1964 0.0 1963 0.0 1961 0.0 1961 0.0 1961 0.0 2001 0.9 2002 1.8 1988 13.6 1989 5.1 1992 0.0 1963 1.8 2011 33.9 1990 4.0 1990 2.7 1961 2.5 1992 0.8 2011