Midlands 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 2018 and Winter 2018. Last updated 04/06/2019. Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC WIN SPR SUM AUT ANN 1961 12.2 1.1 4.5 0.7 0.9 0.1 0.0 0.0 0.0 1.0 6.5 19.4 --- 6.1 0.1 7.5 46.4 1962 8.4 9.9 21.1 2.3 1.1 0.6 0.0 0.0 0.0 1.6 8.4 19.7 37.7 24.5 0.6 10.0 73.1 1963 28.3 27.3 8.2 1.5 0.4 0.0 0.0 0.0 0.1 0.1 2.8 15.4 75.2 10.2 0.0 3.0 84.2 1964 13.3 10.8 11.4 2.5 0.1 0.0 0.0 0.1 0.2 3.3 4.4 16.9 39.6 14.0 0.1 7.9 63.0 1965 15.8 12.9 13.0 3.3 0.9 0.0 0.0 0.0 0.0 0.6 13.4 9.7 45.7 17.1 0.1 14.0 69.7 1966 16.2 7.9 5.9 4.6 0.3 0.0 0.0 0.0 0.0 1.4 6.1 7.1 33.8 10.8 0.0 7.6 49.6 1967 10.4 8.3 2.8 2.8 1.8 0.0 0.0 0.0 0.0 0.3 8.4 12.8 25.8 7.4 0.1 8.7 47.6 1968 12.3 20.5 7.2 9.5 1.0 0.0 0.0 0.0 0.0 0.1 4.6 13.8 45.6 17.8 0.0 4.7 69.1 1969 7.9 19.5 15.4 7.3 0.4 0.1 0.0 0.0 0.5 0.2 9.3 15.1 41.3 23.1 0.1 10.0 75.8 1970 11.4 14.7 16.2 7.9 0.1 0.0 0.0 0.0 0.0 1.6 3.3 12.7 41.3 24.2 0.0 5.0 68.1 1971 8.4 9.1 9.6 3.9 1.7 0.1 0.0 0.0 0.1 1.1 11.2 4.6 30.2 15.3 0.1 12.4 49.8 1972 10.3 6.4 7.1 1.0 0.3 0.0 0.0 0.0 0.3 1.3 8.2 5.8 21.3 8.4 0.1 9.9 40.9 1973 10.2 11.8 10.4 4.5 1.0 0.1 0.0 0.0 0.0 3.2 10.2 11.0 27.8 16.0 0.1 13.4 62.5 1974 5.5 6.9 7.7 3.7 1.3 0.0 0.0 0.0 0.3 1.8 3.2 2.4 23.5 12.7 0.1 5.2 32.8 1975 3.8 9.2 9.2 5.9 1.4 0.2 0.0 0.0 0.3 1.3 8.3 8.6 15.4 16.5 0.2 9.9 48.2 1976 9.3 10.6 13.4 4.5 0.3 0.0 0.0 0.0 0.0 0.2 6.6 18.6 28.5 18.1 0.0 6.9 63.5 1977 16.2 6.5 4.5 6.0 1.2 0.1 0.0 0.0 0.1 0.1 7.1 4.0 41.2 11.6 0.1 7.2 45.6 1978 12.8 17.0 5.5 6.9 0.2 0.0 0.0 0.0 0.0 0.4 5.7 14.9 33.7 12.6 0.0 6.1 63.4 1979 26.4 22.2 9.6 4.3 4.6 0.0 0.0 0.0 0.3 0.8 7.0 7.9 63.4 18.5 0.0 8.2 83.1 1980 18.6 5.3 9.3 3.4 1.4 0.0 0.0 0.0 0.0 2.3 7.1 9.2 31.8 14.1 0.0 9.4 56.7 1981 12.1 18.6 3.0 4.5 1.2 0.0 0.0 0.0 0.0 3.1 3.3 22.5 39.9 8.6 0.0 6.4 68.3 1982 14.6 9.3 6.3 3.8 2.4 0.0 0.0 0.0 0.0 0.8 4.5 13.3 46.4 12.5 0.0 5.3 55.0 1983 4.2 20.5 4.2 5.2 0.2 0.0 0.0 0.0 0.1 3.7 6.4 7.7 38.0 9.5 0.0 10.1 52.1 1984 13.4 12.9 6.9 7.9 2.1 0.0 0.0 0.0 0.0 0.7 1.3 9.3 34.0 16.9 0.0 2.1 54.6 1985 24.2 15.5 13.2 3.0 0.2 0.1 0.0 0.0 0.0 0.5 12.7 6.8 49.0 16.4 0.1 13.3 76.3 1986 14.6 25.2 9.2 6.6 0.1 0.0 0.0 0.0 1.2 1.0 1.6 7.2 46.6 15.9 0.0 3.8 66.8 1987 20.8 14.6 15.6 0.5 0.9 0.0 0.0 0.0 0.3 2.4 3.1 8.0 42.6 17.0 0.0 5.7 66.1 1988 5.2 8.5 6.0 4.9 0.2 0.0 0.0 0.0 0.1 2.7 13.5 1.9 21.8 11.1 0.0 16.3 43.1 1989 5.8 6.9 4.4 6.6 0.3 0.3 0.0 0.0 0.0 0.1 7.0 6.4 14.6 11.3 0.3 7.1 37.8 1990 3.6 1.9 4.1 7.1 0.3 0.0 0.0 0.0 0.0 0.3 3.8 10.1 11.9 11.6 0.0 4.2 31.3 1991 15.6 19.7 4.0 4.0 0.5 0.6 0.0 0.0 0.1 0.8 5.0 10.9 45.4 8.6 0.6 5.8 61.3 1992 15.0 7.5 1.5 2.1 0.2 0.0 0.0 0.0 0.0 4.1 3.2 14.1 33.4 3.9 0.0 7.2 47.7 1993 6.5 6.4 8.1 1.4 0.8 0.0 0.0 0.0 0.1 5.5 12.0 8.1 27.0 10.4 0.0 17.6 49.0 1994 8.3 14.5 1.7 2.9 0.4 0.0 0.0 0.0 0.0 1.0 0.9 7.3 31.0 5.0 0.0 2.0 37.2 1995 10.9 3.4 12.7 4.2 1.6 0.0 0.0 0.0 0.1 0.6 5.7 16.5 21.6 18.5 0.0 6.4 55.8 1996 9.0 19.4 9.6 5.7 3.9 0.0 0.0 0.0 0.1 0.2 12.6 14.9 44.9 19.2 0.0 12.9 75.5 1997 18.6 4.1 2.7 4.4 1.3 0.0 0.0 0.0 0.0 5.6 2.5 7.5 37.6 8.4 0.0 8.1 46.7 1998 9.0 4.7 3.5 3.9 0.2 0.0 0.0 0.0 0.0 0.9 6.4 10.1 21.2 7.6 0.0 7.4 38.8 1999 6.5 7.9 2.8 3.8 0.1 0.0 0.0 0.0 0.0 0.6 1.9 9.6 24.5 6.7 0.0 2.6 33.4 2000 10.0 5.9 5.6 4.3 0.1 0.0 0.0 0.0 0.0 0.3 1.9 8.7 25.6 10.0 0.0 2.2 36.9 2001 15.0 14.1 9.6 3.0 0.5 0.0 0.0 0.0 0.0 0.0 5.4 17.6 37.8 13.1 0.0 5.4 65.3 2002 8.3 4.2 4.6 3.6 0.3 0.0 0.0 0.0 0.0 1.6 0.5 4.9 30.2 8.4 0.0 2.2 28.1 2003 11.1 15.3 7.2 4.5 0.4 0.0 0.0 0.0 0.1 3.8 3.6 12.9 31.4 12.0 0.0 7.5 58.9 2004 9.9 11.5 5.5 0.9 0.2 0.0 0.0 0.0 0.0 0.1 4.3 8.3 34.2 6.6 0.0 4.4 40.7 2005 4.6 10.2 8.1 2.4 1.2 0.0 0.0 0.0 0.1 0.0 11.8 11.6 23.1 11.8 0.0 11.8 50.1 2006 9.0 11.2 12.6 3.3 0.2 0.0 0.0 0.0 0.0 0.0 3.6 5.0 31.9 16.1 0.0 3.7 45.0 2007 4.6 7.6 3.5 0.8 0.2 0.0 0.0 0.0 0.1 0.8 5.0 11.2 17.2 4.5 0.0 5.9 33.8 2008 3.5 11.8 5.7 5.4 0.2 0.0 0.0 0.0 0.0 2.2 4.5 14.8 26.5 11.3 0.0 6.7 48.2 2009 15.1 12.7 5.8 0.8 0.2 0.0 0.0 0.0 0.0 0.2 0.6 14.8 42.6 6.9 0.0 0.9 50.3 2010 18.3 14.8 10.3 2.7 1.3 0.0 0.0 0.0 0.1 2.2 10.3 23.2 47.9 14.3 0.0 12.5 83.2 2011 14.2 2.9 7.0 0.4 0.5 0.0 0.0 0.0 0.0 0.3 1.0 5.5 40.3 7.9 0.1 1.3 31.7 2012 9.0 13.2 3.5 4.7 0.9 0.0 0.0 0.0 0.1 1.2 5.3 10.6 27.7 9.0 0.0 6.5 48.4 2013 15.8 14.6 18.8 8.5 0.7 0.0 0.0 0.0 0.0 0.1 5.4 2.8 41.0 27.9 0.0 5.5 66.6 2014 4.8 1.9 4.7 0.9 0.6 0.0 0.0 0.0 0.0 0.1 2.9 10.8 9.4 6.2 0.0 3.1 26.8 2015 12.0 10.5 5.2 2.0 0.4 0.0 0.0 0.0 0.1 0.2 2.6 0.5 33.3 7.6 0.0 2.9 33.4 2016 7.5 10.5 7.4 4.9 0.5 0.0 0.0 0.0 0.0 0.1 6.1 7.7 18.6 12.8 0.0 6.3 44.9 2017 14.6 4.4 1.4 2.4 0.4 0.0 0.0 0.0 0.0 0.5 5.4 11.3 26.7 4.2 0.0 6.0 40.5 2018 6.3 15.2 11.1 0.8 0.4 0.0 0.0 0.0 0.2 3.2 2.7 3.9 32.7 12.3 0.0 6.0 43.7 2019 13.2 8.4 1.6 4.8 0.6 25.5 7.0