Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4421 * 1881 0.0832 * 1882 -0.0538 -0.3565 1883 -0.7861 -0.3736 1884 -0.5836 -0.4792 1885 -0.5275 -0.5129 1886 -0.4449 -0.4356 1887 -0.2222 -0.2710 1888 -0.3997 -0.1398 1889 0.2391 -0.1072 1890 0.1287 -0.1582 1891 -0.2821 -0.2000 1892 -0.4770 -0.2163 1893 -0.6088 -0.3771 1894 0.1575 -0.2814 1895 -0.6752 -0.2033 1896 0.1965 -0.1115 1897 -0.0865 -0.2182 1898 -0.1498 0.0335 1899 -0.3760 0.0092 1900 0.5835 0.0206 1901 0.0746 -0.0636 1902 -0.0292 -0.0561 1903 -0.5708 -0.2517 1904 -0.3388 -0.2629 1905 -0.3941 -0.2868 1906 0.0186 -0.1363 1907 -0.1489 -0.1055 1908 0.1816 0.0491 1909 -0.1848 0.0819 1910 0.3790 -0.0553 1911 0.1826 -0.1085 1912 -0.8347 -0.0582 1913 -0.0847 -0.1612 1914 0.0668 -0.2936 1915 -0.1361 -0.3184 1916 -0.4793 -0.2900 1917 -0.9585 -0.3279 1918 0.0571 -0.3793 1919 -0.1225 -0.0580 1920 -0.3932 0.1671 1921 1.1271 0.1430 1922 0.1668 0.0356 1923 -0.0634 0.1939 1924 -0.6591 -0.0191 1925 0.3983 -0.0119 1926 0.0619 0.0165 1927 0.2029 0.0455 1928 0.0783 -0.0070 1929 -0.5141 0.1837 1930 0.1360 0.1428 1931 1.0152 0.2644 1932 -0.0016 0.6172 1933 0.6863 0.6020 1934 1.2500 0.4367 1935 0.0603 0.4135 1936 0.1883 0.4360 1937 -0.1176 0.3477 1938 0.7990 0.3428 1939 0.8084 0.4112 1940 0.0361 0.4450 1941 0.5303 0.3154 1942 0.0512 0.1655 1943 0.1508 0.1522 1944 0.0592 0.1747 1945 -0.0306 0.1756 1946 0.6430 0.1256 1947 0.0558 0.1464 1948 -0.0995 0.1038 1949 0.1632 -0.1055 1950 -0.2436 -0.0634 1951 -0.4036 0.1285 1952 0.2665 0.2577 1953 0.8601 0.2940 1954 0.8092 0.4269 1955 -0.0623 0.3990 1956 0.2611 0.2361 1957 0.1269 0.1019 1958 0.0457 0.0684 1959 0.1383 0.0167 1960 -0.2298 -0.0089 1961 0.0024 0.0205 1962 -0.0010 -0.0268 1963 0.1927 -0.0049 1964 -0.0982 -0.0497 1965 -0.1202 -0.0663 1966 -0.2219 -0.1652 1967 -0.0837 -0.1862 1968 -0.3018 -0.1900 1969 -0.2036 -0.1669 1970 -0.1392 -0.2112 1971 -0.1060 -0.1027 1972 -0.3052 -0.0235 1973 0.2405 -0.0355 1974 0.1923 -0.0645 1975 -0.1993 0.0699 1976 -0.2507 -0.0733 1977 0.3669 -0.2224 1978 -0.4759 -0.1319 1979 -0.5532 0.0516 1980 0.2534 -0.0849 1981 0.6667 0.0123 1982 -0.3155 0.1320 1983 0.0100 0.0086 1984 0.0452 0.0259 1985 -0.3632 0.2486 1986 0.7529 0.3202 1987 0.7980 0.2923 1988 0.3679 0.5453 1989 -0.0940 0.5331 1990 0.9018 0.4429 1991 0.6917 0.2945 1992 0.3469 0.4187 1993 -0.3741 0.3215 1994 0.5273 0.1716 1995 0.4157 0.1310 1996 -0.0577 0.4688 1997 0.1437 0.5791 1998 1.3149 0.6367 1999 1.0790 0.8348 2000 0.7035 0.9422 2001 0.9327 0.8198 2002 0.6810 0.7264 2003 0.7027 0.7666 2004 0.6119 0.8373 2005 0.9048 0.8875 2006 1.2861 0.7792 2007 0.9318 0.6954 2008 0.1614 0.6305 2009 0.1931 0.5065 2010 0.5802 0.6903 2011 0.6658 0.6952 2012 1.8511 * 2013 0.1856 *