East_Anglia 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 2013 & Winter 2012/2013. Last updated 03/06/2013 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 28.7 1963 27.3 1963 18.8 1962 8.5 2013 3.6 1996 0.8 1962 0.0 2012 0.0 2012 0.5 1969 5.0 1997 12.8 1988 23.2 2010 76.4 1963 25.3 2013 0.8 1962 14.5 1988 83.6 1963 25.3 1979 24.1 1986 15.9 1970 7.9 1968 2.9 1979 0.2 1991 0.0 2011 0.0 2011 0.3 1986 3.5 1993 12.4 1985 20.9 1981 55.5 1979 22.6 1970 0.2 1991 13.4 1993 76.2 2010 23.6 1985 20.0 1979 15.8 1987 6.7 1970 1.7 2010 0.1 1989 0.0 2010 0.0 2010 0.2 1972 2.9 2008 12.3 1965 20.4 1962 48.2 1985 20.7 1962 0.1 1989 13.3 1965 71.4 1979 20.3 1987 18.7 1996 15.7 2013 6.5 1984 1.6 1981 0.1 1969 0.0 2009 0.0 2009 0.1 2003 2.7 1983 11.4 1996 17.0 1961 44.0 2010 18.9 1996 0.1 1969 13.1 1985 70.8 1985 18.9 1997 18.7 1969 12.2 2006 6.0 1996 1.5 1982 0.0 2012 0.0 2008 0.0 2008 0.1 1988 2.5 1992 10.7 1973 16.7 1976 43.9 1982 16.2 1987 0.0 2012 12.7 1973 70.4 1996 16.1 1964 18.5 1991 11.6 1985 6.0 1990 1.4 1971 0.0 2011 0.0 2007 0.0 2007 0.1 1979 2.3 2003 9.9 2005 15.9 2001 42.8 1968 15.8 1995 0.0 2011 11.5 1996 70.4 1962 15.9 2010 17.5 1983 11.3 1965 6.0 1977 1.1 2013 0.0 2010 0.0 2006 0.0 2006 0.1 1975 2.1 1980 9.8 1993 15.7 1964 41.9 1996 15.3 2006 0.0 2010 10.0 2010 61.9 1970 15.8 2013 17.0 1981 11.2 1995 5.4 1978 1.1 1967 0.0 2009 0.0 2005 0.0 2005 0.1 1974 2.0 1973 8.9 2010 15.7 1963 41.4 1986 15.2 1969 0.0 2009 9.9 2005 61.3 1981 15.6 1966 16.1 1968 10.5 1976 5.3 1969 1.0 1997 0.0 2008 0.0 2004 0.0 2004 0.0 2012 2.0 1964 8.8 1962 15.5 1995 40.2 1964 14.2 1985 0.0 2008 9.9 1971 60.6 1965 15.5 1980 15.1 1978 9.8 1969 4.7 2008 1.0 1991 0.0 2007 0.0 2003 0.0 2003 0.0 2011 1.7 1988 8.6 1971 13.5 2009 40.0 1965 14.0 1976 0.0 2007 9.6 1962 60.3 1969 15.4 1982 15.0 1985 9.5 1971 4.5 1988 1.0 1980 0.0 2006 0.0 2002 0.0 2002 0.0 2010 1.7 1987 7.9 1975 13.5 1996 39.3 1987 13.8 1971 0.0 2006 8.7 1997 59.6 1987 14.0 1965 14.6 2010 9.3 1996 4.4 1997 1.0 1974 0.0 2005 0.0 2001 0.0 2001 0.0 2009 1.5 1981 7.4 1967 13.4 1982 38.8 1969 13.7 1965 0.0 2005 8.4 1975 59.5 1968 13.9 2009 14.1 1970 9.3 1986 4.3 2012 0.9 1962 0.0 2004 0.0 2000 0.0 2000 0.0 2008 1.3 1971 7.3 1989 13.2 1967 38.2 1981 13.6 1968 0.0 2004 8.0 1979 57.7 1964 13.5 1977 14.0 2012 9.3 1964 4.1 2003 0.8 1995 0.0 2003 0.0 1999 0.0 1999 0.0 2007 1.2 2007 7.2 1979 12.9 1968 37.9 2009 13.5 1986 0.0 2003 7.8 1983 56.8 1986 13.5 1968 13.6 1987 8.1 2010 4.1 1986 0.8 1984 0.0 2002 0.0 1998 0.0 1998 0.0 2006 1.2 2002 7.2 1969 12.4 2008 37.5 1997 12.6 1984 0.0 2002 7.7 1969 55.4 1973 13.2 2001 13.0 1994 8.1 1993 4.1 1975 0.7 2011 0.0 2001 0.0 1997 0.0 1997 0.0 2005 1.1 2010 6.8 1998 12.4 1992 37.1 2013 12.5 1979 0.0 2001 7.6 1980 54.7 1991 13.0 1978 12.9 2003 8.1 1973 3.8 1983 0.6 2005 0.0 2000 0.0 1996 0.0 1996 0.0 2004 1.0 1965 6.6 1972 12.3 1991 36.2 1970 12.4 2010 0.0 2000 7.6 1967 53.8 1976 12.4 1981 12.3 1973 7.5 2003 3.7 1995 0.5 1990 0.0 1999 0.0 1995 0.0 1995 0.0 2002 0.9 2011 6.2 1961 12.1 2005 35.8 1977 12.0 1973 0.0 1999 7.5 1972 53.6 1978 12.3 1986 12.2 2008 7.2 1963 3.6 1991 0.5 1977 0.0 1998 0.0 1994 0.0 1994 0.0 2001 0.9 1995 5.5 1991 11.5 1970 35.8 1962 11.7 2003 0.0 1998 7.3 1998 52.9 2001 11.6 1992 11.6 2009 7.0 1975 3.4 1973 0.5 1973 0.0 1997 0.0 1993 0.0 1993 0.0 2000 0.8 1979 5.4 1980 11.5 1969 34.6 1983 11.4 1975 0.0 1997 7.3 1989 51.2 1982 11.6 1984 11.6 2001 6.9 2005 3.3 1982 0.5 1961 0.0 1996 0.0 1992 0.0 1992 0.0 1999 0.8 1972 5.2 1978 10.9 1975 34.5 2011 11.2 1977 0.0 1996 7.0 2008 50.4 2003 11.5 2003 11.0 2013 6.9 1980 3.3 1976 0.4 1994 0.0 1995 0.0 1991 0.0 1991 0.0 1998 0.8 1970 5.2 1966 10.3 2012 34.3 1991 10.8 1982 0.0 1995 7.0 1961 48.2 1980 10.9 1967 10.2 1965 6.8 2009 3.3 1967 0.4 1968 0.0 1994 0.0 1990 0.0 1990 0.0 1997 0.8 1962 5.1 2007 10.2 1978 33.2 1992 10.8 1964 0.0 1994 6.6 1964 48.1 1995 10.7 1972 10.0 2004 6.6 1979 3.2 2000 0.3 2012 0.0 1993 0.0 1989 0.0 1989 0.0 1996 0.8 1961 5.1 1983 10.0 1973 32.3 2001 10.4 1980 0.0 1993 6.3 2007 47.1 2009 10.6 1970 9.9 1962 6.4 2011 3.2 1981 0.3 1976 0.0 1992 0.0 1988 0.0 1988 0.0 1995 0.7 1991 4.6 1976 9.7 2007 30.5 1966 10.0 2008 0.0 1992 6.2 1991 45.4 2005 9.4 1976 9.7 2005 6.3 1966 3.1 1999 0.3 1975 0.0 1990 0.0 1987 0.0 1987 0.0 1994 0.7 1985 4.5 1964 9.7 2003 29.9 1978 10.0 1978 0.0 1990 5.6 1966 44.8 2012 9.3 1991 9.6 1984 6.2 2001 3.0 2006 0.3 1965 0.0 1988 0.0 1986 0.0 1986 0.0 1993 0.7 1974 4.3 1995 9.6 1984 29.6 1984 9.8 1990 0.0 1988 5.3 1978 44.7 1997 9.2 1995 9.2 1992 6.0 1982 3.0 1989 0.2 2008 0.0 1987 0.0 1985 0.0 1985 0.0 1992 0.6 1984 4.2 2001 9.3 1999 29.2 1976 9.4 1988 0.0 1987 5.2 1995 44.7 1983 8.9 2011 9.0 1976 5.8 1972 3.0 1979 0.2 2001 0.0 1986 0.0 1984 0.0 1984 0.0 1991 0.5 2012 4.2 1977 9.3 1965 28.2 2006 9.4 1963 0.0 1986 4.7 1976 44.5 1967 8.9 1962 8.9 1975 5.3 1984 2.8 1971 0.2 1993 0.0 1985 0.0 1983 0.0 1983 0.0 1990 0.4 1998 4.0 2008 9.1 2004 28.1 2004 9.2 2005 0.0 1985 4.6 2003 44.4 1984 8.7 2006 8.6 1999 5.3 1968 2.6 2010 0.2 1987 0.0 1984 0.0 1982 0.0 1982 0.0 1989 0.4 1994 3.9 2012 8.8 1980 28.0 2003 8.9 1993 0.0 1984 4.4 2012 43.7 1971 8.6 1971 8.4 1964 5.2 2008 2.5 1985 0.1 2009 0.0 1983 0.0 1981 0.0 1981 0.0 1987 0.4 1986 3.7 1997 8.4 1994 27.9 1971 8.2 1991 0.0 1983 4.4 1992 43.1 2008 8.4 2000 7.8 2007 4.8 1988 2.5 1980 0.1 2006 0.0 1982 0.0 1980 0.0 1980 0.0 1985 0.4 1982 3.6 2004 8.4 1983 27.6 2002 8.1 1966 0.0 1982 4.3 1977 42.7 1966 8.4 1973 7.8 1971 4.8 1974 2.2 1998 0.1 2004 0.0 1981 0.0 1979 0.0 1979 0.0 1984 0.4 1975 3.6 1982 8.3 1998 27.3 2012 8.0 2012 0.0 1981 4.2 2001 41.9 1975 8.4 1961 7.6 1982 4.6 2002 2.0 2002 0.1 2003 0.0 1980 0.0 1978 0.0 1978 0.0 1983 0.3 1966 3.3 1968 7.8 1966 26.9 1980 7.9 2001 0.0 1980 4.2 1987 41.1 2006 8.3 2004 7.4 2006 4.6 1977 2.0 1992 0.1 2002 0.0 1979 0.0 1977 0.0 1977 0.0 1982 0.2 2009 2.8 1990 7.5 2000 26.1 1973 7.6 1974 0.0 1979 4.0 1982 40.5 1992 8.0 2012 7.0 1988 4.5 1978 2.0 1965 0.1 2000 0.0 1978 0.0 1976 0.0 1976 0.0 1981 0.2 1999 2.7 2006 6.9 2006 25.4 1967 7.5 2009 0.0 1978 3.7 2004 39.2 1988 7.9 2002 6.7 1967 4.3 2004 2.0 1963 0.1 1998 0.0 1977 0.0 1975 0.0 1975 0.0 1980 0.1 2004 2.7 1974 6.5 1990 25.3 1994 7.4 2011 0.0 1977 3.7 1981 38.3 1961 7.7 1996 5.9 1980 4.3 1961 1.8 1974 0.1 1992 0.0 1976 0.0 1974 0.0 1974 0.0 1978 0.1 2000 2.5 1987 6.3 1989 23.3 2008 7.4 1981 0.0 1976 3.5 1974 37.8 1993 7.5 1994 5.8 1989 3.7 2000 1.8 1966 0.1 1989 0.0 1975 0.0 1973 0.0 1973 0.0 1977 0.1 1996 2.4 1963 5.5 1979 23.3 2005 7.3 1997 0.0 1975 3.3 1968 36.4 1977 7.2 1969 5.7 1998 3.6 1991 1.6 2005 0.1 1988 0.0 1974 0.0 1972 0.0 1972 0.0 1976 0.1 1990 2.3 1970 5.4 1987 23.2 2000 7.3 1983 0.0 1974 3.1 1970 36.1 2004 6.7 1989 5.6 1977 3.5 2012 1.6 2001 0.1 1986 0.0 1973 0.0 1971 0.0 1971 0.0 1973 0.1 1978 2.2 2003 5.4 1986 23.1 1993 6.9 2000 0.0 1973 2.9 1990 35.7 1972 6.7 1988 5.6 1972 3.3 1990 1.5 1964 0.1 1985 0.0 1972 0.0 1970 0.0 1970 0.0 1971 0.1 1977 2.2 2000 5.4 1972 22.4 1999 6.7 2002 0.0 1972 2.7 2006 33.6 1998 6.6 1998 5.6 1966 3.3 1983 1.4 1994 0.1 1983 0.0 1971 0.0 1969 0.0 1969 0.0 1970 0.1 1976 2.2 1981 5.3 2011 20.0 1995 6.5 1972 0.0 1971 2.5 1963 33.4 1994 6.4 1993 5.4 2000 3.2 1998 1.1 2007 0.1 1978 0.0 1970 0.0 1968 0.0 1968 0.0 1968 0.1 1969 1.9 1992 4.9 1985 20.0 1972 6.1 1967 0.0 1970 2.4 2011 31.8 2007 5.4 1999 5.1 1997 2.8 2007 1.0 1962 0.1 1972 0.0 1968 0.0 1967 0.0 1967 0.0 1967 0.1 1967 1.5 2011 4.8 1993 19.3 1974 5.6 1998 0.0 1968 2.2 2000 31.8 1989 4.5 2005 4.8 1974 2.6 1981 0.7 2009 0.1 1969 0.0 1967 0.0 1966 0.0 1966 0.0 1966 0.0 2006 1.1 1999 4.7 1997 19.1 1988 5.6 1989 0.0 1967 2.0 2002 30.5 2000 4.5 1974 4.2 1993 2.5 1989 0.6 2004 0.1 1966 0.0 1966 0.0 1965 0.0 1965 0.0 1965 0.0 2005 0.8 1994 3.7 1971 18.8 2007 5.5 1999 0.0 1966 1.5 1986 30.2 1999 4.0 2007 3.7 2002 2.3 1999 0.6 1972 0.1 1963 0.0 1965 0.0 1964 0.0 1964 0.0 1964 0.0 2001 0.8 1986 3.5 2002 17.1 1998 5.1 1961 0.0 1965 1.3 1999 26.5 2011 3.7 1983 2.5 2011 1.9 1997 0.5 1993 0.0 2007 0.0 1964 0.0 1963 0.0 1963 0.0 1963 0.0 1989 0.7 2002 1.8 1977 14.1 1989 5.0 2004 0.0 1964 1.3 1994 23.8 2002 2.4 1975 2.5 1995 1.7 1967 0.4 1961 0.0 1999 0.0 1963 0.0 1962 0.0 1962 0.0 1962 0.0 1968 0.4 2009 1.6 1988 12.2 1975 4.0 2007 0.0 1963 1.0 1984 22.9 1990 2.2 1990 1.5 1990 1.5 1994 0.3 2011 0.0 1970 0.0 1961 0.0 1961 0.0 1961 0.0 1961 0.0 1963 0.3 1984 1.0 1974 10.0 1990 3.3 1994 0.0 1961 0.6 2009 21.4 1974 1.4 2008 0.8 1961 0.8 1992 0.3 1987 0.0 1964 2.9 1992