Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5010 * 1881 0.0207 * 1882 -0.1054 -0.4019 1883 -0.8117 -0.4188 1884 -0.6120 -0.5216 1885 -0.5856 -0.5536 1886 -0.4933 -0.4815 1887 -0.2656 -0.3214 1888 -0.4509 -0.1886 1889 0.1885 -0.1517 1890 0.0781 -0.1973 1891 -0.3084 -0.2295 1892 -0.4939 -0.2346 1893 -0.6120 -0.3855 1894 0.1634 -0.2845 1895 -0.6765 -0.2043 1896 0.1965 -0.1137 1897 -0.0928 -0.2230 1898 -0.1590 0.0266 1899 -0.3832 -0.0008 1900 0.5714 0.0097 1901 0.0596 -0.0735 1902 -0.0405 -0.0677 1903 -0.5749 -0.2652 1904 -0.3541 -0.2779 1905 -0.4161 -0.3034 1906 -0.0040 -0.1555 1907 -0.1681 -0.1260 1908 0.1648 0.0283 1909 -0.2067 0.0619 1910 0.3554 -0.0746 1911 0.1640 -0.1275 1912 -0.8503 -0.0753 1913 -0.0997 -0.1762 1914 0.0541 -0.3081 1915 -0.1490 -0.3323 1916 -0.4957 -0.3032 1917 -0.9710 -0.3404 1918 0.0454 -0.3915 1919 -0.1315 -0.0696 1920 -0.4049 0.1548 1921 1.1140 0.1301 1922 0.1511 0.0222 1923 -0.0780 0.1803 1924 -0.6711 -0.0331 1925 0.3857 -0.0265 1926 0.0466 0.0012 1927 0.1842 0.0289 1928 0.0605 -0.0257 1929 -0.5326 0.1643 1930 0.1130 0.1239 1931 0.9966 0.2448 1932 -0.0180 0.5968 1933 0.6652 0.5815 1934 1.2274 0.4145 1935 0.0362 0.3894 1936 0.1618 0.4118 1937 -0.1436 0.3246 1938 0.7771 0.3214 1939 0.7913 0.3921 1940 0.0205 0.4275 1941 0.5152 0.2985 1942 0.0332 0.1493 1943 0.1322 0.1363 1944 0.0452 0.1594 1945 -0.0442 0.1614 1946 0.6308 0.1127 1947 0.0431 0.1337 1948 -0.1114 0.0927 1949 0.1503 -0.1146 1950 -0.2494 -0.0705 1951 -0.4056 0.1228 1952 0.2638 0.2536 1953 0.8549 0.2906 1954 0.8045 0.4232 1955 -0.0648 0.3956 1956 0.2577 0.2339 1957 0.1255 0.1007 1958 0.0465 0.0675 1959 0.1386 0.0167 1960 -0.2307 -0.0094 1961 0.0037 0.0194 1962 -0.0049 -0.0278 1963 0.1905 -0.0051 1964 -0.0978 -0.0502 1965 -0.1172 -0.0659 1966 -0.2214 -0.1639 1967 -0.0838 -0.1854 1968 -0.2993 -0.1898 1969 -0.2051 -0.1671 1970 -0.1395 -0.2118 1971 -0.1078 -0.1040 1972 -0.3075 -0.0245 1973 0.2400 -0.0372 1974 0.1922 -0.0652 1975 -0.2028 0.0709 1976 -0.2479 -0.0705 1977 0.3731 -0.2183 1978 -0.4673 -0.1264 1979 -0.5467 0.0576 1980 0.2570 -0.0783 1981 0.6717 0.0190 1982 -0.3061 0.1386 1983 0.0190 0.0155 1984 0.0513 0.0329 1985 -0.3585 0.2551 1986 0.7589 0.3253 1987 0.8050 0.2964 1988 0.3700 0.5483 1989 -0.0934 0.5345 1990 0.9010 0.4432 1991 0.6901 0.2942 1992 0.3482 0.4175 1993 -0.3747 0.3206 1994 0.5229 0.1720 1995 0.4167 0.1321 1996 -0.0532 0.4712 1997 0.1487 0.5840 1998 1.3208 0.6432 1999 1.0869 0.8426 2000 0.7126 0.9514 2001 0.9440 0.8297 2002 0.6927 0.7370 2003 0.7122 0.7778 2004 0.6234 0.8494 2005 0.9169 0.9005 2006 1.3017 0.7927 2007 0.9484 0.7109 2008 0.1733 0.6457 2009 0.2140 0.5198 2010 0.5909 0.7029 2011 0.6726 0.7076 2012 1.8638 0.7179 2013 0.1969 * 2014 0.2651 *