Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5188 * 1881 0.0109 * 1882 -0.1105 -0.4140 1883 -0.8284 -0.4313 1884 -0.6231 -0.5379 1885 -0.6052 -0.5761 1886 -0.5222 -0.5055 1887 -0.3018 -0.3466 1888 -0.4754 -0.2135 1889 0.1716 -0.1745 1890 0.0603 -0.2200 1891 -0.3271 -0.2534 1892 -0.5292 -0.2639 1893 -0.6428 -0.4162 1894 0.1192 -0.3161 1895 -0.7010 -0.2324 1896 0.1733 -0.1382 1897 -0.1107 -0.2408 1898 -0.1717 0.0127 1899 -0.3941 -0.0113 1900 0.5669 0.0009 1901 0.0529 -0.0827 1902 -0.0497 -0.0766 1903 -0.5893 -0.2745 1904 -0.3640 -0.2856 1905 -0.4224 -0.3090 1906 -0.0024 -0.1582 1907 -0.1669 -0.1259 1908 0.1647 0.0299 1909 -0.2027 0.0628 1910 0.3567 -0.0748 1911 0.1622 -0.1291 1912 -0.8550 -0.0786 1913 -0.1066 -0.1802 1914 0.0499 -0.3113 1915 -0.1515 -0.3350 1916 -0.4935 -0.3054 1917 -0.9731 -0.3446 1918 0.0412 -0.3982 1919 -0.1460 -0.0785 1920 -0.4196 0.1455 1921 1.1052 0.1199 1922 0.1468 0.0124 1923 -0.0869 0.1712 1924 -0.6833 -0.0431 1925 0.3743 -0.0381 1926 0.0334 -0.0117 1927 0.1719 0.0160 1928 0.0452 -0.0382 1929 -0.5448 0.1514 1930 0.1031 0.1101 1931 0.9818 0.2312 1932 -0.0350 0.5828 1933 0.6507 0.5677 1934 1.2136 0.4025 1935 0.0272 0.3803 1936 0.1562 0.4037 1937 -0.1460 0.3165 1938 0.7677 0.3122 1939 0.7776 0.3819 1940 0.0056 0.4163 1941 0.5047 0.2885 1942 0.0260 0.1410 1943 0.1287 0.1309 1944 0.0398 0.1560 1945 -0.0445 0.1596 1946 0.6302 0.1115 1947 0.0440 0.1345 1948 -0.1118 0.0937 1949 0.1546 -0.1139 1950 -0.2487 -0.0705 1951 -0.4075 0.1226 1952 0.2611 0.2521 1953 0.8534 0.2880 1954 0.8023 0.4208 1955 -0.0693 0.3935 1956 0.2565 0.2321 1957 0.1244 0.0992 1958 0.0466 0.0674 1959 0.1378 0.0172 1960 -0.2284 -0.0078 1961 0.0056 0.0217 1962 -0.0007 -0.0252 1963 0.1942 -0.0031 1964 -0.0966 -0.0483 1965 -0.1179 -0.0648 1966 -0.2207 -0.1634 1967 -0.0829 -0.1848 1968 -0.2991 -0.1889 1969 -0.2034 -0.1659 1970 -0.1385 -0.2102 1971 -0.1057 -0.1018 1972 -0.3044 -0.0226 1973 0.2431 -0.0349 1974 0.1926 -0.0639 1975 -0.2000 0.0711 1976 -0.2509 -0.0716 1977 0.3708 -0.2199 1978 -0.4705 -0.1287 1979 -0.5487 0.0562 1980 0.2558 -0.0790 1981 0.6735 0.0191 1982 -0.3053 0.1403 1983 0.0201 0.0188 1984 0.0572 0.0375 1985 -0.3514 0.2618 1986 0.7668 0.3346 1987 0.8161 0.3070 1988 0.3845 0.5608 1989 -0.0811 0.5494 1990 0.9175 0.4600 1991 0.7098 0.3117 1992 0.3694 0.4369 1993 -0.3570 0.3415 1994 0.5446 0.1929 1995 0.4408 0.1519 1996 -0.0332 0.4907 1997 0.1644 0.6018 1998 1.3367 0.6593 1999 1.1005 0.8580 2000 0.7281 0.9663 2001 0.9604 0.8446 2002 0.7056 0.7535 2003 0.7283 0.7961 2004 0.6452 0.8688 2005 0.9409 0.9216 2006 1.3240 0.8163 2007 0.9694 0.7347 2008 0.2018 0.6728 2009 0.2374 0.5504 2010 0.6314 0.7360 2011 0.7121 0.7412 2012 1.8972 * 2013 0.2278 *