Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4648 * 1881 0.0720 * 1882 -0.0551 -0.3564 1883 -0.7682 -0.3713 1884 -0.5661 -0.4773 1885 -0.5392 -0.5140 1886 -0.4577 -0.4467 1887 -0.2386 -0.2930 1888 -0.4321 -0.1645 1889 0.2028 -0.1339 1890 0.1029 -0.1862 1891 -0.3043 -0.2264 1892 -0.5005 -0.2409 1893 -0.6327 -0.3993 1894 0.1300 -0.3004 1895 -0.6889 -0.2213 1896 0.1900 -0.1285 1897 -0.1050 -0.2316 1898 -0.1685 0.0196 1899 -0.3856 -0.0079 1900 0.5672 0.0024 1901 0.0523 -0.0823 1902 -0.0534 -0.0777 1903 -0.5919 -0.2742 1904 -0.3628 -0.2837 1905 -0.4152 -0.3059 1906 0.0047 -0.1547 1907 -0.1643 -0.1230 1908 0.1641 0.0322 1909 -0.2043 0.0647 1910 0.3606 -0.0723 1911 0.1673 -0.1253 1912 -0.8494 -0.0728 1913 -0.1008 -0.1740 1914 0.0583 -0.3053 1915 -0.1455 -0.3284 1916 -0.4891 -0.2980 1917 -0.9651 -0.3367 1918 0.0514 -0.3901 1919 -0.1352 -0.0706 1920 -0.4125 0.1524 1921 1.1082 0.1259 1922 0.1501 0.0179 1923 -0.0813 0.1778 1924 -0.6748 -0.0350 1925 0.3866 -0.0293 1926 0.0443 -0.0020 1927 0.1785 0.0260 1928 0.0552 -0.0289 1929 -0.5347 0.1604 1930 0.1122 0.1200 1931 0.9909 0.2408 1932 -0.0236 0.5922 1933 0.6592 0.5766 1934 1.2221 0.4117 1935 0.0345 0.3885 1936 0.1662 0.4114 1937 -0.1394 0.3238 1938 0.7738 0.3191 1939 0.7838 0.3881 1940 0.0112 0.4227 1941 0.5112 0.2941 1942 0.0334 0.1458 1943 0.1311 0.1349 1944 0.0422 0.1585 1945 -0.0435 0.1607 1946 0.6292 0.1126 1947 0.0443 0.1361 1948 -0.1091 0.0961 1949 0.1597 -0.1096 1950 -0.2436 -0.0647 1951 -0.3995 0.1287 1952 0.2688 0.2576 1953 0.8581 0.2936 1954 0.8044 0.4258 1955 -0.0640 0.3978 1956 0.2619 0.2363 1957 0.1284 0.1032 1958 0.0507 0.0708 1959 0.1392 0.0199 1960 -0.2263 -0.0059 1961 0.0075 0.0224 1962 -0.0004 -0.0253 1963 0.1922 -0.0041 1964 -0.0994 -0.0507 1965 -0.1204 -0.0682 1966 -0.2255 -0.1673 1967 -0.0881 -0.1889 1968 -0.3031 -0.1934 1969 -0.2076 -0.1701 1970 -0.1428 -0.2141 1971 -0.1090 -0.1055 1972 -0.3080 -0.0256 1973 0.2398 -0.0374 1974 0.1920 -0.0657 1975 -0.2017 0.0699 1976 -0.2507 -0.0725 1977 0.3699 -0.2210 1978 -0.4718 -0.1298 1979 -0.5506 0.0550 1980 0.2543 -0.0798 1981 0.6732 0.0191 1982 -0.3040 0.1399 1983 0.0228 0.0186 1984 0.0530 0.0368 1985 -0.3520 0.2594 1986 0.7641 0.3298 1987 0.8090 0.3018 1988 0.3751 0.5549 1989 -0.0871 0.5434 1990 0.9135 0.4544 1991 0.7066 0.3079 1992 0.3641 0.4338 1993 -0.3577 0.3383 1994 0.5426 0.1897 1995 0.4359 0.1499 1996 -0.0365 0.4888 1997 0.1650 0.6012 1998 1.3370 0.6605 1999 1.1045 0.8605 2000 0.7326 0.9702 2001 0.9634 0.8506 2002 0.7134 0.7592 2003 0.7390 0.8001 2004 0.6474 0.8716 2005 0.9371 0.9229 2006 1.3209 0.8151 2007 0.9703 0.7323 2008 0.1999 0.6692 2009 0.2331 0.5451 2010 0.6216 0.7281 2011 0.7005 0.7319 2012 1.8855 * 2013 0.2189 *