Scotland_E 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 27.4 1979 25.9 1963 22.8 1969 15.1 1970 7.3 1979 0.9 1975 0.1 2000 0.4 1964 2.6 1986 8.8 1992 20.5 1969 25.4 1981 69.0 1963 35.7 1969 1.1 1964 25.2 1993 113.6 1979 25.7 1963 25.1 1968 22.5 2013 13.3 1966 6.0 1995 0.7 1991 0.1 1973 0.3 1999 2.4 1972 7.9 1981 19.5 1985 24.6 2010 65.2 1979 35.0 1979 0.9 1975 22.1 1985 112.1 1969 24.7 1984 24.3 1986 20.3 1979 13.0 1983 5.7 1996 0.6 1964 0.1 1968 0.3 1977 2.0 1993 7.3 1993 17.4 1965 23.8 1976 64.1 2010 34.7 1970 0.7 2012 21.1 1969 108.7 2010 23.2 1985 23.6 1979 20.1 1962 11.9 1986 5.1 1982 0.5 2012 0.1 1965 0.3 1966 1.9 1974 6.5 2012 16.8 1996 22.2 1961 60.3 1977 31.9 1995 0.7 1991 20.4 1965 103.2 1981 22.8 1978 23.6 1969 19.4 1970 11.7 1974 5.0 1968 0.5 1998 0.1 1964 0.2 2012 1.4 1975 5.6 2003 15.9 1993 22.0 2009 57.1 1968 31.0 1962 0.6 1977 19.7 1971 102.2 1965 22.1 1987 21.5 2010 19.2 1987 11.6 1969 4.8 2010 0.5 1989 0.0 2012 0.2 1986 1.3 1979 5.5 2002 14.3 1971 19.7 1993 55.7 1991 30.2 1975 0.6 1962 19.0 1973 98.3 1968 21.3 1991 21.4 1970 19.0 1995 11.6 1968 4.7 1984 0.4 2009 0.0 2011 0.2 1973 0.9 2012 5.4 1973 14.2 2010 19.4 2001 55.3 1986 29.0 1968 0.5 1999 18.7 1992 97.9 1985 20.6 2010 21.3 1983 18.1 1965 11.5 1981 4.5 2012 0.4 1962 0.0 2010 0.1 1994 0.9 2007 5.0 1997 13.2 1973 19.4 1964 55.2 1970 27.5 1984 0.5 1998 17.7 1996 94.0 1963 20.2 1977 20.6 1978 17.8 1975 10.7 2013 4.3 1977 0.3 2005 0.0 2009 0.1 1989 0.9 1991 4.9 1987 13.1 1966 18.7 1965 54.8 1965 27.3 1965 0.5 1989 17.6 2010 93.8 1970 20.1 1965 19.4 1991 17.2 2006 10.5 1978 4.1 1997 0.3 2001 0.0 2008 0.1 1982 0.8 1987 4.9 1980 12.6 1962 18.5 1969 54.1 1969 26.4 2006 0.5 1973 17.2 2012 92.2 1986 20.0 1997 19.3 1996 16.7 2001 10.3 1989 3.9 1994 0.3 2000 0.0 2007 0.1 1981 0.7 1997 4.8 2008 12.5 1972 18.3 1995 53.6 2011 26.3 2001 0.4 2009 17.1 1966 91.8 1966 19.8 1986 18.9 1981 16.7 1985 10.0 1973 3.9 1975 0.3 1997 0.0 2006 0.1 1974 0.7 1995 4.7 1971 11.8 1998 18.2 1999 53.2 1994 24.8 1980 0.4 2000 16.7 1972 90.6 2001 19.4 1995 18.7 2001 16.2 1980 9.6 1962 3.5 1980 0.3 1987 0.0 2005 0.1 1969 0.7 1971 4.1 1998 11.7 1977 17.8 1989 53.2 1966 24.7 1973 0.4 1986 16.0 1998 90.3 1995 19.3 1981 18.0 2013 13.7 1976 9.2 1998 3.3 1967 0.3 1985 0.0 2004 0.1 1967 0.7 1964 3.9 1966 11.1 2005 17.7 1968 52.3 1982 24.6 1974 0.4 1985 15.2 1962 90.1 1962 19.1 2011 17.9 1994 13.7 1971 9.2 1984 3.0 2005 0.3 1981 0.0 2003 0.1 1965 0.6 1983 3.9 1964 10.3 1979 17.5 1996 51.9 1978 24.5 1981 0.4 1981 14.8 1981 88.5 1973 19.1 1980 17.0 2003 13.6 1984 9.1 2012 2.6 2001 0.3 1978 0.0 2002 0.1 1963 0.6 1977 3.6 1983 10.0 1976 17.5 1982 51.5 1987 24.4 1986 0.4 1966 14.8 1980 87.7 1978 19.0 2009 17.0 1985 13.3 1988 8.9 1977 2.6 1981 0.3 1977 0.0 2001 0.1 1962 0.5 2010 3.3 1988 10.0 1967 17.4 1962 50.8 1981 24.2 2010 0.4 1965 14.7 2008 86.4 1996 18.4 2001 16.7 1966 13.2 2010 8.4 1975 2.3 1973 0.3 1973 0.0 1999 0.0 2011 0.5 1989 2.9 2010 9.8 2008 16.5 2008 49.7 2001 24.2 1985 0.3 2005 14.1 1964 86.3 1987 17.8 1966 16.6 1987 13.1 2008 8.3 2008 2.3 1971 0.3 1961 0.0 1998 0.0 2010 0.5 1982 2.9 1974 9.8 1992 16.2 1992 49.2 2009 24.1 1987 0.3 2001 13.0 1979 82.5 1980 17.2 1961 16.3 1977 12.8 1996 8.3 2000 2.0 2011 0.2 2011 0.0 1997 0.0 2009 0.4 2003 2.8 1994 9.8 1980 15.9 1966 49.0 2013 24.0 1966 0.3 1997 12.9 1983 82.5 1976 17.0 1968 15.7 2004 12.4 1973 8.3 1994 1.9 2006 0.2 2008 0.0 1996 0.0 2008 0.4 1988 2.7 1965 9.8 1961 15.7 2007 48.9 1985 23.6 1996 0.3 1987 12.9 1975 81.8 1975 16.9 1992 15.7 1973 12.4 1968 7.7 1967 1.9 1978 0.2 2007 0.0 1995 0.0 2007 0.4 1984 2.6 1985 9.7 2012 15.4 1973 48.9 1983 23.3 1971 0.3 1983 12.6 1977 81.2 1991 16.1 1982 15.3 1965 12.2 1986 7.7 1965 1.9 1974 0.2 1999 0.0 1994 0.0 2006 0.3 1990 2.4 1962 9.5 1964 15.1 2011 48.1 1984 22.6 1983 0.3 1982 12.4 1988 79.8 1984 16.0 2013 14.1 1999 12.1 1964 7.6 1988 1.8 1993 0.2 1996 0.0 1993 0.0 2005 0.3 1973 2.2 1975 9.3 1975 15.1 1963 48.1 1962 22.4 2008 0.3 1980 12.3 1967 79.6 2008 15.6 1994 13.8 2009 11.7 1972 7.4 2006 1.8 1987 0.2 1986 0.0 1992 0.0 2004 0.3 1970 2.2 1967 9.2 1963 15.0 2012 46.8 1997 22.4 1989 0.3 1978 12.1 1974 79.5 1993 15.3 1970 13.8 1984 11.3 2011 7.4 1979 1.7 1985 0.2 1983 0.0 1991 0.0 2003 0.3 1969 1.9 2007 8.8 1991 15.0 1990 45.8 1996 22.0 1978 0.3 1969 11.7 2005 78.8 1977 14.9 2003 13.6 1975 11.3 1982 7.3 1990 1.7 1966 0.2 1982 0.0 1990 0.0 2002 0.3 1963 1.8 1972 8.7 1988 15.0 1967 44.6 1980 21.8 1988 0.3 1961 11.6 1976 76.9 1983 14.6 1976 13.3 2006 11.0 1974 7.2 1971 1.7 1961 0.2 1980 0.0 1989 0.0 2001 0.2 2004 1.7 2000 8.7 1983 14.5 1979 43.3 2004 21.8 1982 0.2 2011 11.4 1987 76.7 1982 14.5 1988 13.2 1962 10.9 1989 7.0 2001 1.6 2007 0.2 1972 0.0 1988 0.0 2000 0.2 2002 1.7 1982 8.3 1970 14.3 2003 42.0 1995 20.8 1994 0.2 2008 11.2 2003 76.3 2012 14.1 1975 12.8 1988 10.5 2003 6.9 1995 1.5 2009 0.2 1969 0.0 1987 0.0 1998 0.2 1996 1.5 1976 8.3 1968 14.2 1978 41.7 1973 20.6 1998 0.2 2007 10.9 1991 75.7 2009 13.9 1998 12.7 1964 10.4 1998 6.3 2010 1.5 1965 0.2 1967 0.0 1986 0.0 1997 0.2 1981 1.4 2009 7.8 1982 13.2 2004 41.3 2008 20.4 1977 0.2 1996 10.5 1986 74.5 1964 13.6 2008 12.5 1972 10.4 1993 6.3 1976 1.4 1991 0.2 1965 0.0 1985 0.0 1996 0.2 1978 1.4 1999 7.4 1990 13.1 1991 41.3 2002 20.3 1976 0.2 1993 10.5 1961 74.2 1992 13.5 1967 12.4 2005 10.4 1981 6.1 1999 1.4 1969 0.1 2010 0.0 1984 0.0 1995 0.2 1976 1.3 1979 7.3 1989 12.8 1972 40.9 1992 19.5 2012 0.2 1974 10.3 1963 72.7 2003 13.3 2004 12.1 2008 9.9 1963 5.9 1991 1.4 1963 0.1 2006 0.0 1983 0.0 1993 0.2 1968 1.3 1970 7.3 1978 12.7 1986 40.1 2003 19.3 1967 0.2 1972 10.1 1982 72.3 1971 13.2 1973 12.0 1976 9.7 1978 5.8 1985 1.3 2000 0.1 2004 0.0 1982 0.0 1992 0.2 1965 1.2 1991 7.3 1974 12.6 2000 40.1 2000 17.4 2000 0.2 1971 9.9 1970 70.8 1994 13.0 2012 11.9 1995 9.3 2004 5.6 1963 1.3 1962 0.1 1995 0.0 1981 0.0 1991 0.2 1962 1.2 1984 7.2 2001 12.6 1980 39.6 1964 17.0 1963 0.2 1968 9.3 1968 70.7 1972 12.8 1969 11.0 2000 9.0 1966 5.5 2002 1.2 1992 0.1 1993 0.0 1980 0.0 1990 0.1 2011 1.1 1995 7.1 2000 12.4 1998 39.2 1967 16.3 2005 0.2 1967 9.2 2002 70.1 1967 12.7 1972 10.9 2012 8.9 2009 5.4 1982 1.2 1989 0.1 1988 0.0 1979 0.0 1988 0.1 2009 1.1 1986 6.8 1995 12.4 1970 39.1 2012 15.8 1991 0.1 2010 8.9 2000 68.2 1998 12.7 1962 10.9 1992 8.9 2007 5.2 1997 1.1 2008 0.1 1984 0.0 1978 0.0 1987 0.1 2008 0.9 2004 6.8 1986 11.8 2005 39.1 1988 15.8 1972 0.1 2006 8.6 1995 67.3 1999 12.4 1971 10.9 1989 8.9 2002 5.1 1996 1.1 2004 0.1 1979 0.0 1977 0.0 1985 0.1 2006 0.9 1990 6.8 1981 11.8 1987 37.9 1999 15.5 2011 0.1 2004 8.6 1990 66.8 1961 12.1 1993 10.9 1980 8.8 1983 5.0 1980 1.1 2002 0.1 1976 0.0 1976 0.0 1984 0.1 2005 0.8 1968 6.6 2004 11.1 1985 36.7 1976 15.5 2002 0.1 1995 8.4 1997 66.4 2006 11.8 1964 10.9 1971 8.6 2005 4.7 2005 1.0 1998 0.1 1974 0.0 1975 0.0 1983 0.1 2001 0.8 1963 6.4 1999 10.7 1994 36.5 2006 15.4 1999 0.1 1994 8.4 1989 64.4 1988 11.5 2002 10.8 1982 8.6 1999 4.7 1961 0.9 1990 0.1 1971 0.0 1974 0.0 1980 0.1 2000 0.7 2011 5.8 1987 10.6 2006 35.6 1993 15.4 1964 0.1 1992 8.0 2007 63.8 1989 11.4 2006 10.4 2002 8.6 1994 4.5 2003 0.9 1988 0.1 1970 0.0 1972 0.0 1979 0.1 1999 0.7 1996 5.1 2007 10.1 1975 35.6 1971 15.3 2003 0.1 1988 7.9 1999 63.1 1974 11.4 1999 9.9 2011 8.5 1991 4.0 1992 0.8 1983 0.1 1968 0.0 1971 0.0 1978 0.1 1998 0.6 1989 5.1 2003 9.6 1983 34.8 1975 15.0 1997 0.1 1984 7.8 1978 62.9 2011 11.0 2000 9.9 2007 8.3 1967 3.7 2009 0.8 1972 0.1 1966 0.0 1970 0.0 1976 0.1 1994 0.6 1961 5.0 2009 9.1 1997 34.5 1974 15.0 1993 0.1 1979 7.7 2004 62.5 2004 10.2 1983 9.8 1974 7.8 2000 3.3 1972 0.7 1999 0.0 2003 0.0 1969 0.0 1975 0.1 1992 0.5 2005 4.2 2006 8.7 1984 34.3 2005 14.0 2009 0.1 1976 7.4 2001 62.0 1997 9.3 1974 9.8 1967 7.3 1977 3.3 1964 0.3 2003 0.0 2002 0.0 1967 0.0 1972 0.1 1967 0.3 2006 3.5 2002 8.6 1977 33.4 1990 13.2 2007 0.1 1970 6.5 2009 61.3 2000 8.8 2005 9.3 1997 6.3 1992 3.1 1987 0.3 1986 0.0 1994 0.0 1966 0.0 1971 0.1 1966 0.3 1978 3.4 1984 8.2 2002 31.1 1972 12.6 2004 0.1 1963 5.7 1994 61.2 2005 8.7 2007 7.6 1990 5.8 2012 2.8 1993 0.3 1976 0.0 1992 0.0 1963 0.0 1970 0.1 1961 0.3 1977 2.8 1994 7.1 1974 29.2 2007 12.5 1990 0.0 2003 5.0 1984 55.7 2007 8.2 1996 7.3 1993 5.7 1997 2.7 2007 0.2 1970 0.0 1990 0.0 1962 0.0 1968 0.0 1985 0.3 1969 2.7 1997 5.9 1971 27.7 1998 11.4 1992 0.0 2002 4.5 2006 54.8 2002 8.0 1990 6.7 1961 4.2 1990 2.2 2004 0.1 1964 0.0 1963 0.0 1961 0.0 1961 0.0 1980 0.1 2001 2.4 2011 2.8 1988 17.5 1989 9.9 1961 0.0 1990 3.1 2011 51.7 1990 3.9 1989 4.7 1998 3.5 1961 2.1 2011