Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4912 * 1881 0.0294 * 1882 -0.1049 -0.3973 1883 -0.8128 -0.4145 1884 -0.6069 -0.5161 1885 -0.5774 -0.5465 1886 -0.4787 -0.4706 1887 -0.2567 -0.3072 1888 -0.4335 -0.1709 1889 0.2102 -0.1341 1890 0.1042 -0.1808 1891 -0.2948 -0.2191 1892 -0.4899 -0.2319 1893 -0.6250 -0.3882 1894 0.1460 -0.2897 1895 -0.6772 -0.2114 1896 0.1975 -0.1184 1897 -0.0983 -0.2237 1898 -0.1598 0.0286 1899 -0.3809 0.0039 1900 0.5844 0.0169 1901 0.0742 -0.0667 1902 -0.0332 -0.0611 1903 -0.5782 -0.2596 1904 -0.3527 -0.2720 1905 -0.4079 -0.2963 1906 0.0118 -0.1450 1907 -0.1543 -0.1121 1908 0.1779 0.0455 1909 -0.1879 0.0796 1910 0.3800 -0.0567 1911 0.1822 -0.1103 1912 -0.8357 -0.0605 1913 -0.0903 -0.1653 1914 0.0612 -0.2988 1915 -0.1440 -0.3242 1916 -0.4851 -0.2950 1917 -0.9626 -0.3337 1918 0.0554 -0.3860 1919 -0.1323 -0.0661 1920 -0.4054 0.1578 1921 1.1143 0.1320 1922 0.1572 0.0241 1923 -0.0740 0.1821 1924 -0.6717 -0.0323 1925 0.3845 -0.0274 1926 0.0427 -0.0017 1927 0.1814 0.0254 1928 0.0547 -0.0292 1929 -0.5365 0.1606 1930 0.1118 0.1203 1931 0.9914 0.2422 1932 -0.0199 0.5953 1933 0.6643 0.5808 1934 1.2291 0.4165 1935 0.0392 0.3942 1936 0.1699 0.4182 1937 -0.1317 0.3310 1938 0.7845 0.3273 1939 0.7931 0.3968 1940 0.0208 0.4308 1941 0.5171 0.3015 1942 0.0386 0.1521 1943 0.1378 0.1396 1944 0.0464 0.1628 1945 -0.0417 0.1645 1946 0.6328 0.1159 1947 0.0474 0.1385 1948 -0.1056 0.0984 1949 0.1594 -0.1078 1950 -0.2418 -0.0631 1951 -0.3982 0.1300 1952 0.2709 0.2598 1953 0.8599 0.2955 1954 0.8081 0.4272 1955 -0.0634 0.3981 1956 0.2604 0.2356 1957 0.1253 0.1015 1958 0.0474 0.0678 1959 0.1376 0.0155 1960 -0.2315 -0.0105 1961 -0.0013 0.0182 1962 -0.0045 -0.0294 1963 0.1905 -0.0076 1964 -0.1000 -0.0526 1965 -0.1226 -0.0692 1966 -0.2266 -0.1676 1967 -0.0871 -0.1888 1968 -0.3017 -0.1925 1969 -0.2060 -0.1685 1970 -0.1412 -0.2124 1971 -0.1067 -0.1036 1972 -0.3064 -0.0235 1973 0.2424 -0.0348 1974 0.1945 -0.0635 1975 -0.1977 0.0721 1976 -0.2504 -0.0705 1977 0.3719 -0.2194 1978 -0.4706 -0.1287 1979 -0.5504 0.0562 1980 0.2562 -0.0796 1981 0.6740 0.0177 1982 -0.3074 0.1382 1983 0.0163 0.0158 1984 0.0518 0.0330 1985 -0.3556 0.2561 1986 0.7597 0.3280 1987 0.8083 0.2998 1988 0.3757 0.5531 1989 -0.0892 0.5419 1990 0.9110 0.4530 1991 0.7037 0.3057 1992 0.3637 0.4312 1993 -0.3608 0.3351 1994 0.5383 0.1860 1995 0.4307 0.1446 1996 -0.0421 0.4826 1997 0.1570 0.5938 1998 1.3290 0.6525 1999 1.0945 0.8524 2000 0.7243 0.9618 2001 0.9573 0.8415 2002 0.7037 0.7499 2003 0.7277 0.7914 2004 0.6367 0.8622 2005 0.9314 0.9128 2006 1.3116 0.8054 2007 0.9567 0.7234 2008 0.1905 0.6603 2009 0.2268 0.5378 2010 0.6161 0.7233 2011 0.6989 0.7296 2012 1.8842 * 2013 0.2220 *