Climatic Research Unit Country File created on Thu 2 Jul 2015 18:16:18 BST, from CRU TS run #1506241137 Country = USA : Parameter = Mean Temperature : Units = degrees Celsius Period = 1901.2014 : missing value = -999.0 : format = (i5,17f8.1) YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MAM JJA SON DJF ANN 1901 -3.0 -4.0 1.9 6.7 13.4 17.9 21.9 20.3 15.2 10.4 2.5 -2.6 7.4 20.0 9.4 -3.0 8.4 1902 -3.7 -2.6 1.9 7.4 14.1 17.9 20.3 19.6 14.9 9.9 3.3 -3.8 7.8 19.3 9.4 -3.9 8.3 1903 -3.7 -4.2 2.4 7.0 12.9 17.0 20.0 19.5 14.9 9.3 1.6 -2.9 7.4 18.8 8.6 -4.0 7.8 1904 -5.3 -3.9 1.7 7.0 13.2 17.6 20.0 19.1 15.8 9.5 3.2 -2.3 7.3 18.9 9.5 -3.8 8.0 1905 -4.7 -4.3 4.2 7.8 13.0 18.0 20.1 20.0 16.1 8.4 3.4 -3.1 8.3 19.4 9.3 -2.8 8.2 1906 -3.7 -1.7 0.2 8.3 13.0 17.6 20.3 19.8 16.5 9.1 2.1 -1.8 7.2 19.2 9.2 -2.4 8.3 1907 -3.2 -2.3 3.6 6.1 11.5 16.8 20.3 19.4 15.6 9.2 2.1 -1.2 7.1 18.8 9.0 -2.0 8.1 1908 -2.7 -2.1 3.0 8.1 12.6 17.4 20.6 19.2 15.9 8.3 2.9 -1.5 7.9 19.1 9.0 -2.3 8.5 1909 -3.6 -1.9 1.3 6.4 12.3 18.1 20.4 20.2 15.3 8.8 3.5 -5.6 6.7 19.6 9.2 -4.7 7.9 1910 -4.3 -4.3 5.5 8.2 12.7 17.7 20.8 19.3 16.3 10.2 2.3 -3.0 8.8 19.3 9.6 -2.6 8.5 1911 -3.0 -1.6 2.8 6.7 13.6 18.9 20.4 19.4 16.5 9.6 0.5 -2.5 7.7 19.6 8.9 -3.5 8.4 1912 -5.6 -2.5 0.2 7.9 13.7 17.0 20.2 19.0 15.1 9.4 3.1 -2.1 7.3 18.7 9.2 -3.1 8.0 1913 -4.2 -3.1 1.2 7.8 13.3 18.3 20.6 20.3 15.2 8.6 4.2 -1.9 7.4 19.7 9.3 -2.3 8.4 1914 -1.8 -3.3 1.8 7.7 13.9 18.6 21.1 19.9 15.5 10.7 3.5 -3.7 7.8 19.8 9.9 -2.9 8.6 1915 -3.9 -1.1 0.9 9.7 12.7 17.3 19.9 19.1 15.9 9.9 3.2 -2.0 7.8 18.8 9.7 -2.9 8.5 1916 -4.3 -2.4 1.8 7.6 12.8 17.0 21.2 19.9 15.4 9.2 1.8 -4.6 7.4 19.4 8.8 -4.3 7.9 1917 -5.3 -3.2 1.1 6.6 11.0 17.2 21.0 19.5 15.5 8.0 2.5 -4.6 6.2 19.3 8.7 -4.4 7.5 1918 -6.5 -2.1 3.4 6.4 13.3 18.9 20.4 20.0 14.7 10.5 1.6 -1.6 7.7 19.8 8.9 -2.4 8.2 1919 -3.4 -2.3 1.8 7.7 13.2 18.1 21.1 20.0 16.4 9.1 1.3 -4.1 7.6 19.7 8.9 -3.4 8.3 1920 -4.8 -1.3 1.1 5.1 12.5 17.5 20.2 19.1 15.9 9.7 1.7 -2.2 6.2 18.9 9.1 -1.8 7.9 1921 -2.4 -0.9 4.6 7.5 13.1 18.9 21.2 20.0 16.4 10.2 3.3 -0.8 8.4 20.0 10.0 -2.7 9.3 1922 -4.7 -2.7 1.3 7.4 13.4 18.6 20.3 20.0 16.7 10.4 2.6 -1.6 7.3 19.6 9.9 -2.3 8.5 1923 -2.0 -3.3 0.6 7.2 13.0 18.0 21.0 19.9 16.1 9.1 3.6 -1.2 6.9 19.6 9.6 -2.7 8.5 1924 -5.4 -1.6 1.0 6.2 12.2 18.1 19.8 19.8 14.8 9.6 3.4 -4.4 6.5 19.2 9.3 -3.4 7.8 1925 -5.1 -0.5 3.4 9.4 13.2 18.7 21.0 19.9 16.8 8.2 2.4 -2.3 8.7 19.8 9.1 -1.6 8.8 1926 -2.3 -0.2 2.2 7.8 13.7 18.2 20.8 20.2 15.9 10.5 2.9 -3.0 7.9 19.8 9.7 -1.8 8.9 1927 -2.6 0.2 2.0 7.2 13.0 17.6 20.6 18.8 15.7 10.2 3.0 -4.2 7.4 19.0 9.6 -2.4 8.4 1928 -2.2 -0.8 2.2 6.4 13.8 17.0 20.7 19.7 15.0 10.1 3.1 -1.6 7.5 19.1 9.4 -3.3 8.6 1929 -4.3 -4.1 2.5 7.6 12.7 17.7 20.7 20.1 15.8 9.7 1.9 -1.8 7.6 19.5 9.1 -2.5 8.2 1930 -5.7 -0.2 1.2 9.0 12.9 18.1 21.4 20.4 16.2 8.7 2.0 -2.3 7.7 20.0 9.0 -1.2 8.5 1931 -1.8 0.5 1.3 7.6 12.8 19.0 21.6 19.9 17.3 10.7 3.7 -1.1 7.2 20.2 10.6 -2.0 9.3 1932 -3.5 -1.5 0.7 8.2 13.4 18.3 21.0 20.0 15.7 9.2 1.5 -3.4 7.5 19.8 8.8 -3.3 8.3 1933 -2.7 -3.8 2.1 7.4 13.1 19.2 21.4 19.8 17.0 9.9 3.1 -1.7 7.5 20.1 10.0 -1.7 8.7 1934 -2.7 -0.9 2.7 9.1 15.2 19.0 21.8 20.6 15.7 11.1 4.3 -1.6 9.0 20.5 10.4 -1.7 9.5 1935 -3.1 -0.3 3.3 7.3 11.8 17.7 21.6 20.3 15.9 9.6 1.7 -3.4 7.4 19.9 9.1 -4.5 8.5 1936 -4.6 -5.5 2.8 7.4 14.9 19.5 22.2 21.3 16.5 9.8 2.1 -1.7 8.4 21.0 9.5 -3.0 8.7 1937 -4.3 -3.1 0.7 7.0 13.9 18.4 21.3 21.0 16.5 10.1 2.8 -2.2 7.2 20.2 9.8 -2.3 8.5 1938 -3.3 -1.3 3.8 8.5 13.2 18.1 20.8 20.8 16.9 11.5 2.4 -1.2 8.5 19.9 10.2 -2.2 9.2 1939 -2.3 -3.3 2.1 8.1 14.2 18.3 21.4 20.1 17.0 9.8 2.3 0.5 8.1 19.9 9.7 -2.2 9.0 1940 -5.7 -1.4 2.3 8.3 13.9 18.7 21.2 20.1 16.3 10.9 1.9 -0.2 8.1 20.0 9.7 -1.4 8.8 1941 -2.8 -1.0 1.5 8.8 14.4 18.1 20.9 20.2 15.9 10.3 3.1 -0.4 8.2 19.8 9.8 -1.8 9.1 1942 -2.7 -2.2 2.1 9.1 13.2 18.0 21.1 20.0 15.8 10.2 2.8 -3.3 8.1 19.7 9.6 -2.8 8.7 1943 -4.8 -0.3 0.9 8.5 13.3 18.5 21.1 20.5 15.6 9.9 3.0 -1.8 7.6 20.1 9.5 -1.6 8.7 1944 -2.5 -0.6 0.7 6.6 14.2 18.2 20.6 19.9 16.1 10.6 2.7 -2.6 7.2 19.6 9.8 -1.9 8.7 1945 -2.5 -0.7 3.9 7.2 12.1 16.8 20.5 19.9 16.0 9.8 2.1 -3.7 7.7 19.0 9.3 -2.5 8.4 1946 -2.5 -1.4 3.8 9.0 12.7 18.2 21.1 19.4 15.7 9.9 2.4 -1.5 8.5 19.6 9.4 -2.7 8.9 1947 -3.9 -2.6 1.0 7.8 13.4 17.3 20.6 20.7 16.5 11.9 1.8 -1.4 7.4 19.6 10.1 -2.9 8.6 1948 -4.4 -3.0 0.8 8.7 13.2 18.3 20.6 19.7 16.2 9.3 2.2 -2.9 7.6 19.5 9.2 -3.7 8.2 1949 -5.0 -3.1 2.7 7.7 13.7 18.1 21.1 20.1 15.8 10.1 5.0 -2.2 8.0 19.8 10.3 -2.4 8.7 1950 -3.1 -2.0 1.5 6.7 12.9 17.9 19.9 19.3 15.5 11.4 2.1 -1.9 7.1 19.0 9.7 -2.7 8.3 1951 -4.4 -1.7 0.1 7.6 13.8 17.4 21.0 20.0 15.7 9.7 1.6 -2.9 7.2 19.5 9.0 -2.4 8.2 1952 -3.3 -1.1 0.5 7.7 13.0 19.0 21.1 20.3 16.3 9.6 2.9 -1.6 7.1 20.1 9.6 -1.2 8.7 1953 -1.4 -0.7 2.9 7.1 13.2 19.1 21.3 20.1 16.5 10.6 3.7 -1.5 7.7 20.1 10.3 -1.6 9.2 1954 -3.8 0.6 1.4 9.0 12.8 18.3 21.5 20.2 16.7 10.4 4.3 -2.6 7.7 20.0 10.5 -3.2 9.1 1955 -3.3 -3.6 1.5 8.1 13.7 17.0 21.3 20.6 16.3 9.9 0.2 -3.1 7.8 19.7 8.8 -3.4 8.2 1956 -4.0 -3.2 1.5 7.0 14.1 18.8 20.6 19.8 15.9 10.1 1.3 -1.6 7.5 19.7 9.1 -2.0 8.4 1957 -4.3 -0.1 2.4 8.1 13.4 18.6 21.2 20.2 15.8 9.1 2.9 -1.0 8.0 20.0 9.2 -2.0 8.9 1958 -2.7 -2.4 1.2 7.9 14.4 18.2 20.6 20.7 16.3 9.7 3.3 -2.4 7.8 19.8 9.7 -2.8 8.7 1959 -4.3 -1.6 1.1 7.7 13.8 19.0 20.6 20.6 15.9 9.4 1.5 -1.2 7.5 20.1 8.9 -2.5 8.5 1960 -3.8 -2.5 -0.4 8.0 13.3 18.3 21.0 20.0 16.4 10.1 2.9 -2.3 6.9 19.8 9.8 -2.1 8.4 1961 -3.3 -0.7 2.4 6.4 13.0 18.5 20.6 20.3 15.5 9.3 1.9 -4.0 7.3 19.8 8.9 -3.2 8.3 1962 -5.0 -0.7 0.6 8.1 14.1 17.9 20.4 20.2 15.4 10.8 3.4 -1.9 7.6 19.5 9.9 -2.9 8.6 1963 -5.4 -1.4 3.1 8.1 13.9 18.0 20.9 19.9 16.8 12.0 2.8 -3.7 8.3 19.6 10.5 -3.3 8.7 1964 -3.2 -2.9 0.3 7.4 13.4 18.0 21.3 19.4 15.5 9.7 2.9 -3.7 7.0 19.6 9.4 -3.5 8.2 1965 -3.4 -3.3 0.6 8.3 13.3 17.2 20.3 19.4 14.9 9.5 4.2 -1.3 7.4 18.9 9.5 -3.4 8.3 1966 -5.9 -3.0 1.9 7.0 13.0 18.0 21.5 19.4 16.0 9.0 3.3 -2.6 7.3 19.6 9.4 -2.5 8.1 1967 -2.5 -2.4 3.5 8.1 12.3 17.9 20.4 19.7 15.7 9.5 2.8 -2.3 7.9 19.3 9.3 -3.0 8.6 1968 -4.2 -2.6 3.4 7.4 12.6 18.1 20.9 19.6 15.4 9.8 2.4 -4.2 7.8 19.5 9.2 -3.8 8.2 1969 -4.6 -2.5 0.0 8.9 14.2 17.7 21.0 20.1 16.4 8.9 2.2 -1.0 7.7 19.6 9.2 -2.4 8.4 1970 -5.8 -0.5 1.4 7.1 13.9 18.2 21.0 20.5 15.5 8.4 2.8 -2.2 7.5 19.9 8.9 -3.3 8.4 1971 -5.4 -2.5 0.5 7.0 12.3 18.7 20.4 20.0 15.7 10.2 2.3 -1.6 6.6 19.7 9.4 -2.9 8.1 1972 -4.4 -2.7 2.1 6.9 13.5 17.9 20.5 20.1 15.6 9.1 1.6 -3.4 7.5 19.5 8.8 -3.3 8.1 1973 -4.6 -1.9 3.3 7.0 13.0 18.3 20.7 20.1 15.9 10.5 2.8 -1.6 7.8 19.7 9.7 -2.6 8.6 1974 -3.6 -2.6 3.2 8.1 13.6 18.0 21.1 19.5 15.2 9.3 2.6 -2.4 8.3 19.6 9.0 -2.8 8.5 1975 -3.4 -2.6 0.9 5.6 13.6 17.6 21.0 19.8 14.9 9.8 2.2 -2.3 6.7 19.5 9.0 -2.2 8.1 1976 -4.1 -0.3 2.3 8.1 12.8 17.8 20.6 19.6 15.8 7.8 1.7 -3.2 7.7 19.3 8.4 -2.9 8.2 1977 -5.6 0.0 2.5 8.7 14.0 19.0 21.5 20.4 16.6 9.8 2.4 -2.3 8.4 20.3 9.6 -3.7 8.9 1978 -4.7 -4.0 2.3 8.4 13.4 18.2 21.1 20.2 16.6 9.7 3.0 -3.0 8.0 19.8 9.8 -5.1 8.4 1979 -6.6 -5.6 2.8 7.7 13.3 17.9 20.9 19.9 16.8 10.7 2.9 -1.4 7.9 19.6 10.1 -2.2 8.3 1980 -3.6 -1.5 1.7 8.3 13.7 18.3 21.9 20.3 16.4 9.3 3.2 -2.4 7.9 20.2 9.6 -1.2 8.8 1981 -1.2 -0.1 3.9 9.7 13.4 18.8 21.0 20.0 15.8 9.0 4.1 -1.9 9.0 19.9 9.6 -3.4 9.4 1982 -5.9 -2.3 2.6 6.4 13.5 17.2 20.8 20.0 15.7 8.8 2.2 -0.4 7.5 19.3 8.9 -1.1 8.2 1983 -2.7 -0.2 2.9 6.4 12.6 17.7 21.3 21.2 16.0 9.7 3.6 -4.9 7.3 20.1 9.8 -3.5 8.6 1984 -4.3 -1.3 2.1 6.8 13.2 18.4 20.7 20.4 15.3 9.5 2.2 -1.2 7.4 19.8 9.0 -3.0 8.5 1985 -4.0 -3.6 3.2 8.2 14.1 17.7 21.2 19.5 15.0 9.3 1.4 -3.0 8.5 19.5 8.6 -1.7 8.3 1986 -1.5 -0.5 3.9 8.0 13.7 19.1 21.0 19.7 15.6 9.7 2.4 -0.5 8.6 19.9 9.2 -1.0 9.2 1987 -2.6 0.1 2.9 8.8 14.8 19.0 21.0 20.1 16.0 9.5 3.6 -1.4 8.8 20.0 9.7 -2.5 9.3 1988 -4.4 -1.7 2.8 8.3 14.1 19.3 21.6 20.8 15.8 9.0 2.7 -1.5 8.4 20.6 9.1 -2.7 8.9 1989 -3.3 -3.2 2.6 9.0 13.5 18.1 21.4 20.0 15.9 9.9 2.3 -4.1 8.4 19.8 9.3 -2.4 8.5 1990 -1.1 -2.0 4.0 9.1 13.3 19.1 21.1 20.4 17.0 9.6 3.3 -3.3 8.8 20.2 10.0 -2.2 9.2 1991 -3.9 0.8 3.1 8.9 14.6 18.7 21.1 20.4 16.3 10.0 1.4 -0.8 8.9 20.1 9.2 -0.8 9.2 1992 -1.9 0.4 3.7 8.3 13.5 17.9 20.1 19.1 15.3 9.4 2.1 -2.8 8.5 19.0 8.9 -3.0 8.8 1993 -3.6 -2.6 2.7 8.0 14.2 17.9 20.8 20.1 15.2 9.6 1.8 -0.9 8.3 19.6 8.9 -2.4 8.6 1994 -3.7 -2.8 3.3 8.9 14.1 19.4 21.2 20.4 16.4 9.6 2.6 -0.8 8.8 20.4 9.5 -1.0 9.1 1995 -2.1 -0.1 2.6 7.9 13.4 18.1 21.2 21.2 16.5 10.1 2.3 -1.9 8.0 20.2 9.7 -2.5 9.1 1996 -4.3 -1.3 1.6 7.8 14.1 18.9 21.1 20.1 15.3 8.9 1.6 -2.1 7.8 20.1 8.6 -2.1 8.5 1997 -4.1 -0.1 3.0 6.3 13.2 18.2 20.8 20.0 16.9 9.1 2.6 -2.0 7.5 19.7 9.5 -0.9 8.7 1998 -1.6 0.8 2.8 8.4 14.6 18.1 21.7 20.7 17.8 10.1 4.2 -1.3 8.6 20.2 10.7 -1.4 9.7 1999 -2.7 -0.2 2.3 7.8 13.2 18.1 21.2 20.4 15.6 9.5 4.7 -1.5 7.8 19.9 9.9 -0.8 9.0 2000 -2.6 1.7 4.4 8.3 14.4 18.3 20.8 20.6 16.0 9.9 1.2 -3.7 9.0 19.9 9.0 -2.3 9.1 2001 -2.2 -1.1 2.1 8.8 14.1 18.6 21.2 20.9 16.4 9.3 4.7 -1.2 8.3 20.3 10.1 -1.0 9.3 2002 -1.1 -0.6 1.5 8.5 13.2 19.2 21.9 20.2 17.0 9.0 3.6 -0.3 7.8 20.5 9.9 -1.3 9.3 2003 -2.1 -1.5 2.9 8.5 13.8 18.2 21.8 21.2 15.9 11.2 3.2 -1.1 8.4 20.4 10.1 -2.3 9.3 2004 -4.2 -1.5 4.4 8.9 14.8 18.5 21.1 19.7 16.3 10.7 3.9 -0.9 9.4 19.8 10.3 -1.1 9.3 2005 -2.3 0.1 3.1 8.4 13.8 18.9 21.9 20.9 17.4 10.5 3.3 -1.6 8.4 20.6 10.4 -0.9 9.5 2006 -0.3 -0.7 2.4 9.5 14.6 19.3 22.3 20.5 15.7 9.6 3.2 -0.2 8.8 20.7 9.5 -2.0 9.7 2007 -3.2 -2.4 3.8 8.1 14.6 19.0 21.8 21.6 17.1 11.0 4.1 -1.6 8.8 20.8 10.8 -2.4 9.5 2008 -3.7 -1.8 2.4 7.7 13.4 18.7 21.2 20.2 16.3 9.2 3.2 -2.5 7.8 20.0 9.6 -2.3 8.7 2009 -3.7 -0.6 2.4 7.9 14.3 18.4 20.9 20.0 16.8 8.6 4.0 -3.3 8.2 19.8 9.8 -3.0 8.8 2010 -3.6 -2.2 3.1 9.2 13.8 19.1 21.5 21.2 16.9 10.9 3.3 -2.9 8.7 20.6 10.4 -2.8 9.2 2011 -3.7 -2.0 2.9 8.3 13.4 18.9 22.1 21.3 16.7 10.5 2.9 -0.7 8.2 20.8 10.0 -0.8 9.2 2012 -2.4 0.6 5.4 9.7 14.9 19.4 22.4 20.9 16.6 9.7 4.0 -1.1 10.0 20.9 10.1 -1.5 10.0 2013 -2.3 -1.3 1.9 6.7 13.6 19.5 21.6 20.8 17.1 10.2 2.6 -3.0 7.4 20.6 10.0 -2.6 9.0 2014 -2.2 -2.5 2.1 8.5 14.5 18.7 21.0 20.6 16.9 11.0 2.2 0.6 8.4 20.1 10.0 -999.0 9.3