Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4508 * 1881 0.0819 * 1882 -0.0006 -0.3565 1883 -0.8142 -0.3936 1884 -0.5990 -0.5060 1885 -0.6360 -0.5535 1886 -0.4800 -0.4823 1887 -0.2384 -0.3213 1888 -0.4579 -0.1808 1889 0.2056 -0.1489 1890 0.0665 -0.2018 1891 -0.3205 -0.2371 1892 -0.5027 -0.2485 1893 -0.6345 -0.3969 1894 0.1486 -0.2914 1895 -0.6754 -0.2069 1896 0.2070 -0.1041 1897 -0.0800 -0.2061 1898 -0.1206 0.0483 1899 -0.3613 0.0221 1900 0.5962 0.0291 1901 0.0762 -0.0648 1902 -0.0452 -0.0660 1903 -0.5897 -0.2655 1904 -0.3675 -0.2780 1905 -0.4012 -0.2978 1906 0.0135 -0.1439 1907 -0.1439 -0.1084 1908 0.1798 0.0457 1909 -0.1902 0.0755 1910 0.3694 -0.0676 1911 0.1624 -0.1240 1912 -0.8593 -0.0750 1913 -0.1021 -0.1795 1914 0.0547 -0.3102 1915 -0.1531 -0.3314 1916 -0.4912 -0.3024 1917 -0.9654 -0.3405 1918 0.0432 -0.3927 1919 -0.1360 -0.0734 1920 -0.4142 0.1480 1921 1.1055 0.1232 1922 0.1414 0.0152 1923 -0.0807 0.1734 1924 -0.6760 -0.0383 1925 0.3769 -0.0300 1926 0.0467 -0.0028 1927 0.1832 0.0243 1928 0.0554 -0.0290 1929 -0.5408 0.1604 1930 0.1107 0.1191 1931 0.9935 0.2406 1932 -0.0232 0.5930 1933 0.6627 0.5767 1934 1.2212 0.4103 1935 0.0292 0.3870 1936 0.1618 0.4088 1937 -0.1397 0.3225 1938 0.7715 0.3211 1939 0.7895 0.3919 1940 0.0224 0.4276 1941 0.5160 0.3017 1942 0.0385 0.1544 1943 0.1422 0.1425 1944 0.0527 0.1662 1945 -0.0370 0.1686 1946 0.6345 0.1196 1947 0.0507 0.1412 1948 -0.1029 0.1000 1949 0.1605 -0.1072 1950 -0.2427 -0.0637 1951 -0.4015 0.1284 1952 0.2682 0.2577 1953 0.8574 0.2940 1954 0.8071 0.4270 1955 -0.0614 0.3996 1956 0.2639 0.2381 1957 0.1312 0.1046 1958 0.0499 0.0700 1959 0.1395 0.0169 1960 -0.2347 -0.0104 1961 -0.0012 0.0188 1962 -0.0053 -0.0283 1963 0.1958 -0.0054 1964 -0.0963 -0.0502 1965 -0.1201 -0.0660 1966 -0.2253 -0.1651 1967 -0.0842 -0.1870 1968 -0.2994 -0.1912 1969 -0.2061 -0.1678 1970 -0.1412 -0.2121 1971 -0.1083 -0.1043 1972 -0.3055 -0.0246 1973 0.2397 -0.0362 1974 0.1925 -0.0638 1975 -0.1993 0.0714 1976 -0.2462 -0.0719 1977 0.3702 -0.2207 1978 -0.4769 -0.1311 1979 -0.5514 0.0516 1980 0.2489 -0.0840 1981 0.6671 0.0147 1982 -0.3077 0.1346 1983 0.0166 0.0139 1984 0.0482 0.0330 1985 -0.3549 0.2569 1986 0.7627 0.3298 1987 0.8119 0.3035 1988 0.3811 0.5557 1989 -0.0833 0.5427 1990 0.9063 0.4509 1991 0.6977 0.3027 1992 0.3525 0.4278 1993 -0.3597 0.3335 1994 0.5420 0.1859 1995 0.4350 0.1487 1996 -0.0403 0.4879 1997 0.1664 0.6002 1998 1.3366 0.6593 1999 1.1033 0.8614 2000 0.7305 0.9711 2001 0.9700 0.8506 2002 0.7150 0.7600 2003 0.7343 0.8015 2004 0.6504 0.8722 2005 0.9377 0.9229 2006 1.3234 0.8148 2007 0.9688 0.7304 2008 0.1935 0.6657 2009 0.2288 0.5421 2010 0.6142 0.7294 2011 0.7052 0.7390 2012 1.9055 0.7562 2013 0.2415 0.9031 2014 0.3146 * 2015 1.3487 *