Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4133 * 1881 0.1132 * 1882 0.0313 -0.3229 1883 -0.7812 -0.3616 1884 -0.5647 -0.4725 1885 -0.6064 -0.5208 1886 -0.4415 -0.4517 1887 -0.2103 -0.2930 1888 -0.4355 -0.1516 1889 0.2287 -0.1250 1890 0.1008 -0.1765 1891 -0.3087 -0.2101 1892 -0.4680 -0.2233 1893 -0.6032 -0.3738 1894 0.1625 -0.2698 1895 -0.6515 -0.1838 1896 0.2112 -0.0823 1897 -0.0379 -0.1834 1898 -0.0958 0.0725 1899 -0.3428 0.0515 1900 0.6278 0.0540 1901 0.1062 -0.0398 1902 -0.0253 -0.0405 1903 -0.5647 -0.2442 1904 -0.3465 -0.2608 1905 -0.3908 -0.2829 1906 0.0232 -0.1322 1907 -0.1356 -0.0988 1908 0.1887 0.0562 1909 -0.1796 0.0859 1910 0.3843 -0.0568 1911 0.1719 -0.1136 1912 -0.8493 -0.0637 1913 -0.0951 -0.1674 1914 0.0695 -0.2970 1915 -0.1338 -0.3174 1916 -0.4765 -0.2866 1917 -0.9511 -0.3245 1918 0.0589 -0.3769 1919 -0.1199 -0.0570 1920 -0.3959 0.1651 1921 1.1229 0.1394 1922 0.1594 0.0302 1923 -0.0694 0.1869 1924 -0.6658 -0.0268 1925 0.3876 -0.0201 1926 0.0544 0.0073 1927 0.1928 0.0342 1928 0.0677 -0.0200 1929 -0.5314 0.1669 1930 0.1163 0.1235 1931 0.9891 0.2418 1932 -0.0244 0.5916 1933 0.6593 0.5734 1934 1.2179 0.4070 1935 0.0252 0.3832 1936 0.1572 0.4047 1937 -0.1436 0.3188 1938 0.7667 0.3175 1939 0.7884 0.3893 1940 0.0187 0.4254 1941 0.5161 0.3001 1942 0.0372 0.1524 1943 0.1399 0.1411 1944 0.0503 0.1643 1945 -0.0381 0.1672 1946 0.6323 0.1192 1947 0.0517 0.1413 1948 -0.1002 0.1006 1949 0.1610 -0.1057 1950 -0.2416 -0.0626 1951 -0.3996 0.1288 1952 0.2672 0.2579 1953 0.8571 0.2932 1954 0.8065 0.4253 1955 -0.0652 0.3973 1956 0.2608 0.2353 1957 0.1275 0.1011 1958 0.0470 0.0674 1959 0.1356 0.0156 1960 -0.2337 -0.0103 1961 0.0018 0.0194 1962 -0.0021 -0.0278 1963 0.1953 -0.0054 1964 -0.1001 -0.0512 1965 -0.1219 -0.0682 1966 -0.2270 -0.1678 1967 -0.0873 -0.1897 1968 -0.3027 -0.1935 1969 -0.2094 -0.1696 1970 -0.1413 -0.2131 1971 -0.1074 -0.1040 1972 -0.3048 -0.0229 1973 0.2430 -0.0333 1974 0.1959 -0.0601 1975 -0.1933 0.0754 1976 -0.2415 -0.0683 1977 0.3729 -0.2175 1978 -0.4753 -0.1286 1979 -0.5501 0.0538 1980 0.2512 -0.0824 1981 0.6702 0.0162 1982 -0.3080 0.1364 1983 0.0175 0.0148 1984 0.0509 0.0333 1985 -0.3564 0.2569 1986 0.7625 0.3292 1987 0.8101 0.3019 1988 0.3789 0.5545 1989 -0.0858 0.5419 1990 0.9068 0.4502 1991 0.6993 0.3023 1992 0.3516 0.4273 1993 -0.3605 0.3321 1994 0.5394 0.1833 1995 0.4306 0.1455 1996 -0.0446 0.4850 1997 0.1624 0.5974 1998 1.3374 0.6579 1999 1.1011 0.8600 2000 0.7331 0.9697 2001 0.9659 0.8488 2002 0.7112 0.7581 2003 0.7325 0.7989 2004 0.6478 0.8708 2005 0.9372 0.9222 2006 1.3255 0.8146 2007 0.9680 0.7316 2008 0.1943 0.6678 2009 0.2330 0.5438 2010 0.6181 0.7291 2011 0.7054 0.7381 2012 1.8948 0.7543 2013 0.2391 0.9036 2014 0.3143 * 2015 1.3646 *