Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4656 * 1881 0.0693 * 1882 -0.0067 -0.3650 1883 -0.8181 -0.4022 1884 -0.6041 -0.5074 1885 -0.6516 -0.5487 1886 -0.4563 -0.4715 1887 -0.2135 -0.3047 1888 -0.4319 -0.1533 1889 0.2296 -0.1203 1890 0.1056 -0.1749 1891 -0.2914 -0.2122 1892 -0.4865 -0.2249 1893 -0.6183 -0.3776 1894 0.1661 -0.2767 1895 -0.6577 -0.1899 1896 0.2127 -0.0892 1897 -0.0525 -0.1915 1898 -0.1144 0.0626 1899 -0.3457 0.0382 1900 0.6131 0.0411 1901 0.0905 -0.0490 1902 -0.0379 -0.0509 1903 -0.5649 -0.2553 1904 -0.3552 -0.2727 1905 -0.4088 -0.2966 1906 0.0035 -0.1496 1907 -0.1576 -0.1184 1908 0.1699 0.0354 1909 -0.1991 0.0651 1910 0.3602 -0.0774 1911 0.1519 -0.1336 1912 -0.8701 -0.0822 1913 -0.1109 -0.1831 1914 0.0580 -0.3103 1915 -0.1444 -0.3281 1916 -0.4841 -0.2953 1917 -0.9593 -0.3317 1918 0.0534 -0.3834 1919 -0.1241 -0.0635 1920 -0.4031 0.1584 1921 1.1156 0.1331 1922 0.1502 0.0254 1923 -0.0731 0.1842 1924 -0.6626 -0.0280 1925 0.3910 -0.0192 1926 0.0546 0.0092 1927 0.1940 0.0354 1928 0.0689 -0.0194 1929 -0.5315 0.1688 1930 0.1170 0.1263 1931 0.9957 0.2456 1932 -0.0185 0.5966 1933 0.6653 0.5794 1934 1.2236 0.4127 1935 0.0308 0.3892 1936 0.1621 0.4114 1937 -0.1360 0.3261 1938 0.7767 0.3251 1939 0.7967 0.3963 1940 0.0260 0.4310 1941 0.5180 0.3031 1942 0.0375 0.1530 1943 0.1371 0.1398 1944 0.0466 0.1616 1945 -0.0403 0.1630 1946 0.6273 0.1140 1947 0.0444 0.1355 1948 -0.1082 0.0937 1949 0.1544 -0.1126 1950 -0.2492 -0.0686 1951 -0.4044 0.1246 1952 0.2645 0.2550 1953 0.8578 0.2919 1954 0.8065 0.4248 1955 -0.0647 0.3967 1956 0.2597 0.2343 1957 0.1243 0.1005 1958 0.0457 0.0670 1959 0.1376 0.0154 1960 -0.2321 -0.0103 1961 0.0013 0.0189 1962 -0.0040 -0.0295 1963 0.1917 -0.0073 1964 -0.1044 -0.0528 1965 -0.1213 -0.0694 1966 -0.2261 -0.1681 1967 -0.0871 -0.1883 1968 -0.3018 -0.1921 1969 -0.2054 -0.1683 1970 -0.1402 -0.2117 1971 -0.1071 -0.1025 1972 -0.3041 -0.0225 1973 0.2442 -0.0332 1974 0.1945 -0.0598 1975 -0.1935 0.0758 1976 -0.2400 -0.0671 1977 0.3736 -0.2159 1978 -0.4702 -0.1265 1979 -0.5493 0.0562 1980 0.2536 -0.0797 1981 0.6732 0.0184 1982 -0.3059 0.1386 1983 0.0203 0.0167 1984 0.0519 0.0341 1985 -0.3559 0.2569 1986 0.7599 0.3287 1987 0.8083 0.3007 1988 0.3794 0.5527 1989 -0.0884 0.5398 1990 0.9044 0.4475 1991 0.6953 0.2979 1992 0.3468 0.4215 1993 -0.3684 0.3251 1994 0.5293 0.1762 1995 0.4226 0.1374 1996 -0.0495 0.4759 1997 0.1531 0.5874 1998 1.3242 0.6458 1999 1.0868 0.8441 2000 0.7143 0.9509 2001 0.9423 0.8272 2002 0.6869 0.7348 2003 0.7059 0.7759 2004 0.6246 0.8488 2005 0.9197 0.9005 2006 1.3067 0.7931 2007 0.9454 0.7112 2008 0.1693 0.6462 2009 0.2151 0.5198 2010 0.5946 0.7044 2011 0.6747 0.7124 2012 1.8681 0.7257 2013 0.2093 * 2014 0.2816 *