Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4187 * 1881 0.1122 * 1882 0.0254 -0.3281 1883 -0.7896 -0.3657 1884 -0.5697 -0.4778 1885 -0.6070 -0.5250 1886 -0.4480 -0.4551 1887 -0.2109 -0.2966 1888 -0.4400 -0.1561 1889 0.2227 -0.1284 1890 0.0959 -0.1856 1891 -0.3096 -0.2220 1892 -0.4969 -0.2378 1893 -0.6220 -0.3906 1894 0.1434 -0.2868 1895 -0.6678 -0.1998 1896 0.2094 -0.0960 1897 -0.0618 -0.1931 1898 -0.1030 0.0622 1899 -0.3424 0.0397 1900 0.6090 0.0461 1901 0.0965 -0.0476 1902 -0.0296 -0.0510 1903 -0.5717 -0.2513 1904 -0.3590 -0.2657 1905 -0.3925 -0.2873 1906 0.0243 -0.1341 1907 -0.1377 -0.0971 1908 0.1944 0.0586 1909 -0.1741 0.0894 1910 0.3862 -0.0523 1911 0.1783 -0.1102 1912 -0.8464 -0.0616 1913 -0.0949 -0.1657 1914 0.0687 -0.2961 1915 -0.1344 -0.3166 1916 -0.4736 -0.2854 1917 -0.9488 -0.3223 1918 0.0611 -0.3748 1919 -0.1159 -0.0549 1920 -0.3966 0.1676 1921 1.1255 0.1426 1922 0.1641 0.0333 1923 -0.0640 0.1911 1924 -0.6624 -0.0223 1925 0.3922 -0.0156 1926 0.0584 0.0120 1927 0.1977 0.0397 1928 0.0740 -0.0145 1929 -0.5238 0.1734 1930 0.1211 0.1301 1931 0.9981 0.2484 1932 -0.0189 0.5977 1933 0.6654 0.5794 1934 1.2226 0.4121 1935 0.0299 0.3878 1936 0.1617 0.4087 1937 -0.1408 0.3224 1938 0.7703 0.3207 1939 0.7908 0.3913 1940 0.0215 0.4257 1941 0.5148 0.2982 1942 0.0309 0.1489 1943 0.1330 0.1365 1944 0.0444 0.1593 1945 -0.0407 0.1623 1946 0.6289 0.1145 1947 0.0459 0.1362 1948 -0.1060 0.0952 1949 0.1530 -0.1116 1950 -0.2457 -0.0680 1951 -0.4052 0.1248 1952 0.2641 0.2554 1953 0.8579 0.2912 1954 0.8057 0.4236 1955 -0.0665 0.3963 1956 0.2570 0.2344 1957 0.1276 0.1007 1958 0.0484 0.0681 1959 0.1371 0.0178 1960 -0.2294 -0.0078 1961 0.0054 0.0219 1962 -0.0004 -0.0248 1963 0.1970 -0.0027 1964 -0.0968 -0.0487 1965 -0.1185 -0.0656 1966 -0.2248 -0.1651 1967 -0.0847 -0.1870 1968 -0.3005 -0.1918 1969 -0.2063 -0.1684 1970 -0.1426 -0.2124 1971 -0.1080 -0.1036 1972 -0.3045 -0.0234 1973 0.2432 -0.0343 1974 0.1949 -0.0621 1975 -0.1973 0.0729 1976 -0.2468 -0.0710 1977 0.3707 -0.2204 1978 -0.4765 -0.1307 1979 -0.5520 0.0527 1980 0.2512 -0.0829 1981 0.6703 0.0150 1982 -0.3075 0.1339 1983 0.0131 0.0116 1984 0.0425 0.0287 1985 -0.3603 0.2505 1986 0.7557 0.3224 1987 0.8013 0.2957 1988 0.3727 0.5478 1989 -0.0911 0.5352 1990 0.9004 0.4439 1991 0.6927 0.2953 1992 0.3450 0.4196 1993 -0.3705 0.3243 1994 0.5302 0.1753 1995 0.4243 0.1373 1996 -0.0523 0.4772 1997 0.1550 0.5891 1998 1.3288 0.6485 1999 1.0899 0.8503 2000 0.7210 0.9603 2001 0.9570 0.8387 2002 0.7049 0.7470 2003 0.7207 0.7874 2004 0.6316 0.8588 2005 0.9230 0.9094 2006 1.3136 0.8032 2007 0.9581 0.7211 2008 0.1899 0.6574 2009 0.2208 0.5322 2010 0.6044 0.7150 2011 0.6877 0.7192 2012 1.8723 0.7323 2013 0.2108 0.8758 2014 0.2862 * 2015 1.3221 *