Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5114 * 1881 0.0190 * 1882 -0.1144 -0.4132 1883 -0.8304 -0.4287 1884 -0.6289 -0.5306 1885 -0.5888 -0.5598 1886 -0.4903 -0.4842 1887 -0.2606 -0.3208 1888 -0.4525 -0.1872 1889 0.1883 -0.1523 1890 0.0792 -0.2043 1891 -0.3161 -0.2404 1892 -0.5206 -0.2516 1893 -0.6330 -0.4066 1894 0.1324 -0.3070 1895 -0.6959 -0.2249 1896 0.1821 -0.1322 1897 -0.1101 -0.2369 1898 -0.1697 0.0153 1899 -0.3911 -0.0100 1900 0.5655 0.0015 1901 0.0553 -0.0823 1902 -0.0526 -0.0766 1903 -0.5885 -0.2734 1904 -0.3626 -0.2846 1905 -0.4187 -0.3074 1906 -0.0004 -0.1573 1907 -0.1668 -0.1255 1908 0.1618 0.0312 1909 -0.2033 0.0653 1910 0.3649 -0.0705 1911 0.1699 -0.1212 1912 -0.8456 -0.0674 1913 -0.0920 -0.1681 1914 0.0656 -0.2987 1915 -0.1384 -0.3221 1916 -0.4831 -0.2925 1917 -0.9626 -0.3314 1918 0.0560 -0.3846 1919 -0.1290 -0.0643 1920 -0.4042 0.1600 1921 1.1183 0.1345 1922 0.1591 0.0269 1923 -0.0717 0.1853 1924 -0.6671 -0.0288 1925 0.3880 -0.0235 1926 0.0477 0.0028 1927 0.1854 0.0297 1928 0.0602 -0.0261 1929 -0.5328 0.1626 1930 0.1091 0.1204 1931 0.9909 0.2404 1932 -0.0252 0.5919 1933 0.6602 0.5772 1934 1.2247 0.4120 1935 0.0354 0.3895 1936 0.1650 0.4128 1937 -0.1376 0.3259 1938 0.7766 0.3227 1939 0.7900 0.3923 1940 0.0195 0.4269 1941 0.5130 0.2990 1942 0.0355 0.1506 1943 0.1368 0.1382 1944 0.0481 0.1615 1945 -0.0426 0.1636 1946 0.6296 0.1150 1947 0.0463 0.1374 1948 -0.1064 0.0967 1949 0.1602 -0.1098 1950 -0.2462 -0.0656 1951 -0.4027 0.1270 1952 0.2673 0.2562 1953 0.8562 0.2930 1954 0.8064 0.4256 1955 -0.0624 0.3976 1956 0.2605 0.2360 1957 0.1272 0.1025 1958 0.0485 0.0693 1959 0.1385 0.0179 1960 -0.2282 -0.0077 1961 0.0037 0.0213 1962 -0.0010 -0.0259 1963 0.1937 -0.0041 1964 -0.0976 -0.0495 1965 -0.1195 -0.0659 1966 -0.2233 -0.1645 1967 -0.0828 -0.1857 1968 -0.2994 -0.1902 1969 -0.2037 -0.1672 1970 -0.1420 -0.2121 1971 -0.1082 -0.1040 1972 -0.3071 -0.0248 1973 0.2409 -0.0367 1974 0.1922 -0.0654 1975 -0.2012 0.0697 1976 -0.2516 -0.0733 1977 0.3683 -0.2227 1978 -0.4743 -0.1315 1979 -0.5549 0.0534 1980 0.2550 -0.0821 1981 0.6729 0.0158 1982 -0.3090 0.1367 1983 0.0152 0.0141 1984 0.0493 0.0306 1985 -0.3578 0.2526 1986 0.7555 0.3234 1987 0.8007 0.2951 1988 0.3695 0.5476 1989 -0.0922 0.5350 1990 0.9045 0.4452 1991 0.6926 0.2967 1992 0.3514 0.4212 1993 -0.3727 0.3249 1994 0.5300 0.1766 1995 0.4234 0.1373 1996 -0.0493 0.4780 1997 0.1553 0.5911 1998 1.3304 0.6507 1999 1.0958 0.8506 2000 0.7212 0.9585 2001 0.9501 0.8356 2002 0.6948 0.7427 2003 0.7163 0.7829 2004 0.6311 0.8539 2005 0.9224 0.9040 2006 1.3048 0.7960 2007 0.9454 0.7138 2008 0.1765 0.6503 2009 0.2197 0.5260 2010 0.6052 0.7114 2011 0.6830 0.7178 2012 1.8726 * 2013 0.2086 *