Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4808 * 1881 0.0458 * 1882 -0.0825 -0.3786 1883 -0.7897 -0.3993 1884 -0.5857 -0.5076 1885 -0.5844 -0.5451 1886 -0.4959 -0.4748 1887 -0.2699 -0.3182 1888 -0.4383 -0.1831 1889 0.1975 -0.1451 1890 0.0913 -0.1916 1891 -0.3059 -0.2320 1892 -0.5025 -0.2473 1893 -0.6403 -0.4074 1894 0.1211 -0.3135 1895 -0.7094 -0.2376 1896 0.1635 -0.1454 1897 -0.1231 -0.2503 1898 -0.1792 0.0032 1899 -0.4033 -0.0201 1900 0.5579 -0.0065 1901 0.0471 -0.0907 1902 -0.0548 -0.0839 1903 -0.6003 -0.2801 1904 -0.3694 -0.2913 1905 -0.4233 -0.3158 1906 -0.0085 -0.1647 1907 -0.1773 -0.1330 1908 0.1550 0.0217 1909 -0.2111 0.0546 1910 0.3502 -0.0822 1911 0.1563 -0.1365 1912 -0.8613 -0.0860 1913 -0.1164 -0.1886 1914 0.0412 -0.3210 1915 -0.1628 -0.3458 1916 -0.5058 -0.3153 1917 -0.9852 -0.3529 1918 0.0361 -0.4047 1919 -0.1469 -0.0839 1920 -0.4217 0.1413 1921 1.0983 0.1167 1922 0.1409 0.0093 1923 -0.0871 0.1678 1924 -0.6840 -0.0454 1925 0.3710 -0.0393 1926 0.0321 -0.0125 1927 0.1715 0.0158 1928 0.0471 -0.0369 1929 -0.5425 0.1541 1930 0.1074 0.1141 1931 0.9872 0.2361 1932 -0.0285 0.5881 1933 0.6569 0.5725 1934 1.2175 0.4074 1935 0.0294 0.3857 1936 0.1619 0.4093 1937 -0.1371 0.3223 1938 0.7749 0.3186 1939 0.7825 0.3871 1940 0.0106 0.4205 1941 0.5048 0.2920 1942 0.0297 0.1444 1943 0.1326 0.1340 1944 0.0444 0.1600 1945 -0.0414 0.1638 1946 0.6345 0.1162 1947 0.0487 0.1391 1948 -0.1052 0.0985 1949 0.1589 -0.1083 1950 -0.2442 -0.0647 1951 -0.3998 0.1281 1952 0.2670 0.2578 1953 0.8585 0.2945 1954 0.8076 0.4267 1955 -0.0609 0.3989 1956 0.2613 0.2368 1957 0.1279 0.1033 1958 0.0482 0.0703 1959 0.1398 0.0195 1960 -0.2257 -0.0059 1961 0.0074 0.0229 1962 0.0007 -0.0247 1963 0.1925 -0.0034 1964 -0.0982 -0.0496 1965 -0.1195 -0.0666 1966 -0.2234 -0.1652 1967 -0.0844 -0.1869 1968 -0.3007 -0.1917 1969 -0.2063 -0.1689 1970 -0.1437 -0.2131 1971 -0.1092 -0.1052 1972 -0.3057 -0.0255 1973 0.2391 -0.0369 1974 0.1918 -0.0656 1975 -0.2006 0.0693 1976 -0.2525 -0.0736 1977 0.3685 -0.2233 1978 -0.4750 -0.1331 1979 -0.5567 0.0510 1980 0.2502 -0.0849 1981 0.6682 0.0124 1982 -0.3112 0.1331 1983 0.0114 0.0103 1984 0.0469 0.0266 1985 -0.3638 0.2491 1986 0.7496 0.3211 1987 0.8015 0.2939 1988 0.3711 0.5482 1989 -0.0891 0.5381 1990 0.9079 0.4486 1991 0.6991 0.3007 1992 0.3541 0.4246 1993 -0.3684 0.3272 1994 0.5301 0.1765 1995 0.4212 0.1351 1996 -0.0544 0.4726 1997 0.1470 0.5827 1998 1.3190 0.6398 1999 1.0805 0.8381 2000 0.7071 0.9456 2001 0.9368 0.8228 2002 0.6846 0.7304 2003 0.7051 0.7714 2004 0.6185 0.8432 2005 0.9119 0.8941 2006 1.2957 0.7867 2007 0.9392 0.7035 2008 0.1681 0.6412 2009 0.2027 0.5193 2010 0.6004 0.7060 2011 0.6860 0.7123 2012 1.8730 * 2013 0.1995 *