Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4619 * 1881 0.0462 * 1882 -0.0830 -0.3819 1883 -0.8063 -0.3992 1884 -0.6045 -0.5001 1885 -0.5483 -0.5298 1886 -0.4582 -0.4480 1887 -0.2316 -0.2796 1888 -0.3975 -0.1446 1889 0.2374 -0.1093 1890 0.1267 -0.1563 1891 -0.2813 -0.1986 1892 -0.4669 -0.2152 1893 -0.6088 -0.3754 1894 0.1543 -0.2797 1895 -0.6742 -0.2036 1896 0.1971 -0.1122 1897 -0.0865 -0.2200 1898 -0.1517 0.0290 1899 -0.3846 0.0019 1900 0.5706 0.0105 1901 0.0619 -0.0761 1902 -0.0437 -0.0695 1903 -0.5849 -0.2647 1904 -0.3512 -0.2750 1905 -0.4055 -0.2982 1906 0.0105 -0.1466 1907 -0.1597 -0.1158 1908 0.1730 0.0394 1909 -0.1975 0.0732 1910 0.3709 -0.0628 1911 0.1792 -0.1147 1912 -0.8395 -0.0623 1913 -0.0868 -0.1639 1914 0.0649 -0.2961 1915 -0.1373 -0.3204 1916 -0.4818 -0.2923 1917 -0.9609 -0.3311 1918 0.0538 -0.3841 1919 -0.1294 -0.0640 1920 -0.4022 0.1601 1921 1.1186 0.1353 1922 0.1595 0.0280 1923 -0.0699 0.1864 1924 -0.6661 -0.0267 1925 0.3900 -0.0202 1926 0.0530 0.0072 1927 0.1919 0.0349 1928 0.0673 -0.0191 1929 -0.5275 0.1709 1930 0.1199 0.1301 1931 1.0030 0.2514 1932 -0.0124 0.6047 1933 0.6740 0.5908 1934 1.2390 0.4261 1935 0.0503 0.4031 1936 0.1797 0.4256 1937 -0.1273 0.3371 1938 0.7865 0.3317 1939 0.7962 0.3999 1940 0.0234 0.4337 1941 0.5209 0.3047 1942 0.0416 0.1554 1943 0.1412 0.1437 1944 0.0501 0.1676 1945 -0.0354 0.1700 1946 0.6406 0.1215 1947 0.0537 0.1433 1948 -0.1014 0.1017 1949 0.1588 -0.1069 1950 -0.2431 -0.0640 1951 -0.4024 0.1280 1952 0.2680 0.2569 1953 0.8586 0.2923 1954 0.8035 0.4247 1955 -0.0663 0.3964 1956 0.2596 0.2340 1957 0.1265 0.1003 1958 0.0465 0.0668 1959 0.1353 0.0146 1960 -0.2337 -0.0118 1961 -0.0014 0.0171 1962 -0.0059 -0.0294 1963 0.1912 -0.0066 1964 -0.0972 -0.0510 1965 -0.1198 -0.0668 1966 -0.2233 -0.1652 1967 -0.0847 -0.1861 1968 -0.3011 -0.1897 1969 -0.2018 -0.1661 1970 -0.1374 -0.2099 1971 -0.1056 -0.1015 1972 -0.3035 -0.0224 1973 0.2409 -0.0349 1974 0.1936 -0.0639 1975 -0.1997 0.0710 1976 -0.2507 -0.0714 1977 0.3710 -0.2197 1978 -0.4712 -0.1280 1979 -0.5479 0.0567 1980 0.2588 -0.0798 1981 0.6727 0.0175 1982 -0.3112 0.1365 1983 0.0149 0.0128 1984 0.0475 0.0298 1985 -0.3598 0.2536 1986 0.7578 0.3254 1987 0.8075 0.2985 1988 0.3741 0.5518 1989 -0.0873 0.5393 1990 0.9071 0.4482 1991 0.6950 0.2996 1992 0.3523 0.4232 1993 -0.3693 0.3269 1994 0.5308 0.1783 1995 0.4256 0.1384 1996 -0.0481 0.4779 1997 0.1528 0.5902 1998 1.3282 0.6484 1999 1.0926 0.8473 2000 0.7165 0.9556 2001 0.9465 0.8330 2002 0.6940 0.7401 2003 0.7156 0.7810 2004 0.6278 0.8520 2005 0.9212 0.9020 2006 1.3013 0.7934 2007 0.9440 0.7103 2008 0.1726 0.6457 2009 0.2124 0.5215 2010 0.5984 0.7063 2011 0.6802 0.7133 2012 1.8680 * 2013 0.2076 *