Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5092 * 1881 0.0053 * 1882 -0.1261 -0.4211 1883 -0.8399 -0.4410 1884 -0.6355 -0.5460 1885 -0.6090 -0.5789 1886 -0.5194 -0.5013 1887 -0.2906 -0.3374 1888 -0.4519 -0.2013 1889 0.1839 -0.1639 1890 0.0714 -0.2094 1891 -0.3323 -0.2504 1892 -0.5183 -0.2672 1893 -0.6568 -0.4289 1894 0.1001 -0.3333 1895 -0.7372 -0.2566 1896 0.1459 -0.1645 1897 -0.1350 -0.2685 1898 -0.1964 -0.0122 1899 -0.4197 -0.0356 1900 0.5442 -0.0245 1901 0.0290 -0.1076 1902 -0.0796 -0.1009 1903 -0.6118 -0.2990 1904 -0.3862 -0.3108 1905 -0.4463 -0.3327 1906 -0.0299 -0.1820 1907 -0.1895 -0.1497 1908 0.1421 0.0061 1909 -0.2250 0.0394 1910 0.3329 -0.0987 1911 0.1364 -0.1526 1912 -0.8800 -0.1014 1913 -0.1273 -0.2020 1914 0.0311 -0.3314 1915 -0.1702 -0.3525 1916 -0.5104 -0.3213 1917 -0.9858 -0.3574 1918 0.0290 -0.4078 1919 -0.1494 -0.0859 1920 -0.4225 0.1393 1921 1.0994 0.1159 1922 0.1399 0.0097 1923 -0.0877 0.1694 1924 -0.6807 -0.0432 1925 0.3760 -0.0362 1926 0.0364 -0.0077 1927 0.1751 0.0207 1928 0.0548 -0.0326 1929 -0.5386 0.1582 1930 0.1091 0.1185 1931 0.9907 0.2399 1932 -0.0236 0.5936 1933 0.6621 0.5795 1934 1.2296 0.4144 1935 0.0387 0.3920 1936 0.1654 0.4155 1937 -0.1360 0.3284 1938 0.7800 0.3256 1939 0.7940 0.3970 1940 0.0246 0.4325 1941 0.5222 0.3049 1942 0.0418 0.1560 1943 0.1420 0.1433 1944 0.0492 0.1663 1945 -0.0387 0.1685 1946 0.6370 0.1194 1947 0.0532 0.1412 1948 -0.1039 0.0995 1949 0.1582 -0.1085 1950 -0.2469 -0.0661 1951 -0.4029 0.1259 1952 0.2648 0.2553 1953 0.8564 0.2916 1954 0.8053 0.4244 1955 -0.0655 0.3971 1956 0.2609 0.2350 1957 0.1285 0.1015 1958 0.0456 0.0689 1959 0.1382 0.0173 1960 -0.2288 -0.0091 1961 0.0028 0.0200 1962 -0.0032 -0.0274 1963 0.1909 -0.0057 1964 -0.0987 -0.0509 1965 -0.1205 -0.0664 1966 -0.2228 -0.1641 1967 -0.0811 -0.1855 1968 -0.2973 -0.1897 1969 -0.2058 -0.1667 1970 -0.1415 -0.2112 1971 -0.1076 -0.1040 1972 -0.3036 -0.0249 1973 0.2383 -0.0367 1974 0.1901 -0.0656 1975 -0.2007 0.0691 1976 -0.2519 -0.0726 1977 0.3697 -0.2201 1978 -0.4704 -0.1283 1979 -0.5474 0.0565 1980 0.2586 -0.0790 1981 0.6718 0.0187 1982 -0.3075 0.1382 1983 0.0181 0.0158 1984 0.0502 0.0336 1985 -0.3535 0.2571 1986 0.7608 0.3296 1987 0.8099 0.3035 1988 0.3804 0.5576 1989 -0.0799 0.5466 1990 0.9170 0.4566 1991 0.7058 0.3089 1992 0.3595 0.4327 1993 -0.3581 0.3365 1994 0.5393 0.1879 1995 0.4358 0.1488 1996 -0.0372 0.4875 1997 0.1642 0.5999 1998 1.3353 0.6581 1999 1.1014 0.8573 2000 0.7266 0.9661 2001 0.9592 0.8456 2002 0.7081 0.7545 2003 0.7329 0.7972 2004 0.6456 0.8705 2005 0.9404 0.9218 2006 1.3254 0.8152 2007 0.9646 0.7328 2008 0.2001 0.6679 2009 0.2335 0.5424 2010 0.6160 0.7260 2011 0.6979 0.7310 2012 1.8825 * 2013 0.2251 *