Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4607 * 1881 0.0642 * 1882 -0.0681 -0.3628 1883 -0.7758 -0.3796 1884 -0.5736 -0.4841 1885 -0.5447 -0.5186 1886 -0.4582 -0.4459 1887 -0.2406 -0.2872 1888 -0.4126 -0.1543 1889 0.2202 -0.1221 1890 0.1196 -0.1716 1891 -0.2969 -0.2133 1892 -0.4885 -0.2282 1893 -0.6207 -0.3894 1894 0.1457 -0.2924 1895 -0.6867 -0.2128 1896 0.1882 -0.1194 1897 -0.0907 -0.2249 1898 -0.1537 0.0283 1899 -0.3815 0.0041 1900 0.5793 0.0148 1901 0.0672 -0.0704 1902 -0.0375 -0.0633 1903 -0.5793 -0.2603 1904 -0.3462 -0.2719 1905 -0.4057 -0.2967 1906 0.0094 -0.1476 1907 -0.1619 -0.1182 1908 0.1663 0.0357 1909 -0.1990 0.0675 1910 0.3639 -0.0701 1911 0.1682 -0.1236 1912 -0.8499 -0.0729 1913 -0.1011 -0.1758 1914 0.0544 -0.3079 1915 -0.1505 -0.3317 1916 -0.4922 -0.3020 1917 -0.9692 -0.3398 1918 0.0475 -0.3915 1919 -0.1345 -0.0702 1920 -0.4090 0.1549 1921 1.1140 0.1304 1922 0.1565 0.0234 1923 -0.0748 0.1828 1924 -0.6695 -0.0302 1925 0.3879 -0.0241 1926 0.0487 0.0037 1927 0.1873 0.0320 1928 0.0640 -0.0215 1929 -0.5277 0.1680 1930 0.1204 0.1262 1931 0.9959 0.2462 1932 -0.0214 0.5971 1933 0.6639 0.5805 1934 1.2266 0.4153 1935 0.0376 0.3928 1936 0.1697 0.4166 1937 -0.1336 0.3295 1938 0.7829 0.3254 1939 0.7911 0.3937 1940 0.0167 0.4275 1941 0.5115 0.2984 1942 0.0353 0.1498 1943 0.1376 0.1379 1944 0.0478 0.1621 1945 -0.0425 0.1649 1946 0.6325 0.1162 1947 0.0492 0.1377 1948 -0.1060 0.0966 1949 0.1551 -0.1111 1950 -0.2479 -0.0683 1951 -0.4059 0.1241 1952 0.2634 0.2544 1953 0.8559 0.2911 1954 0.8065 0.4239 1955 -0.0645 0.3960 1956 0.2583 0.2340 1957 0.1240 0.0998 1958 0.0457 0.0664 1959 0.1357 0.0150 1960 -0.2319 -0.0106 1961 0.0017 0.0181 1962 -0.0041 -0.0294 1963 0.1890 -0.0073 1964 -0.1018 -0.0525 1965 -0.1213 -0.0683 1966 -0.2245 -0.1659 1967 -0.0829 -0.1861 1968 -0.2989 -0.1895 1969 -0.2027 -0.1656 1970 -0.1384 -0.2094 1971 -0.1050 -0.1011 1972 -0.3022 -0.0216 1973 0.2426 -0.0331 1974 0.1952 -0.0617 1975 -0.1961 0.0732 1976 -0.2481 -0.0694 1977 0.3725 -0.2185 1978 -0.4705 -0.1280 1979 -0.5502 0.0563 1980 0.2564 -0.0802 1981 0.6732 0.0171 1982 -0.3098 0.1368 1983 0.0161 0.0134 1984 0.0480 0.0297 1985 -0.3603 0.2526 1986 0.7546 0.3238 1987 0.8044 0.2962 1988 0.3721 0.5498 1989 -0.0897 0.5384 1990 0.9078 0.4480 1991 0.6974 0.2996 1992 0.3524 0.4239 1993 -0.3697 0.3269 1994 0.5315 0.1770 1995 0.4230 0.1362 1996 -0.0522 0.4741 1997 0.1482 0.5847 1998 1.3201 0.6432 1999 1.0846 0.8426 2000 0.7152 0.9511 2001 0.9451 0.8297 2002 0.6907 0.7380 2003 0.7131 0.7791 2004 0.6259 0.8506 2005 0.9208 0.9016 2006 1.3023 0.7947 2007 0.9458 0.7126 2008 0.1785 0.6495 2009 0.2158 0.5271 2010 0.6049 0.7137 2011 0.6904 0.7203 2012 1.8787 * 2013 0.2117 *