Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4738 * 1881 0.0607 * 1882 -0.0196 -0.3747 1883 -0.8279 -0.4106 1884 -0.6129 -0.5173 1885 -0.6533 -0.5557 1886 -0.4728 -0.4805 1887 -0.2115 -0.3156 1888 -0.4520 -0.1724 1889 0.2115 -0.1441 1890 0.0626 -0.2097 1891 -0.3311 -0.2542 1892 -0.5395 -0.2749 1893 -0.6747 -0.4292 1894 0.1082 -0.3289 1895 -0.7091 -0.2411 1896 0.1708 -0.1336 1897 -0.1007 -0.2307 1898 -0.1372 0.0264 1899 -0.3772 0.0047 1900 0.5761 0.0134 1901 0.0626 -0.0788 1902 -0.0571 -0.0786 1903 -0.5982 -0.2772 1904 -0.3762 -0.2892 1905 -0.4172 -0.3103 1906 0.0029 -0.1572 1907 -0.1626 -0.1234 1908 0.1669 0.0312 1909 -0.2069 0.0609 1910 0.3556 -0.0804 1911 0.1517 -0.1361 1912 -0.8695 -0.0851 1913 -0.1115 -0.1882 1914 0.0482 -0.3175 1915 -0.1600 -0.3376 1916 -0.4945 -0.3078 1917 -0.9700 -0.3444 1918 0.0375 -0.3942 1919 -0.1350 -0.0732 1920 -0.4092 0.1496 1921 1.1106 0.1255 1922 0.1442 0.0171 1923 -0.0833 0.1747 1924 -0.6770 -0.0380 1925 0.3792 -0.0301 1926 0.0467 -0.0010 1927 0.1838 0.0272 1928 0.0621 -0.0257 1929 -0.5357 0.1632 1930 0.1147 0.1215 1931 0.9910 0.2408 1932 -0.0247 0.5910 1933 0.6586 0.5719 1934 1.2152 0.4054 1935 0.0196 0.3819 1936 0.1582 0.4049 1937 -0.1420 0.3193 1938 0.7737 0.3193 1939 0.7872 0.3910 1940 0.0195 0.4263 1941 0.5166 0.2992 1942 0.0343 0.1517 1943 0.1385 0.1404 1944 0.0495 0.1635 1945 -0.0371 0.1658 1946 0.6322 0.1173 1947 0.0461 0.1383 1948 -0.1040 0.0966 1949 0.1545 -0.1102 1950 -0.2457 -0.0663 1951 -0.4019 0.1260 1952 0.2655 0.2567 1953 0.8575 0.2935 1954 0.8083 0.4260 1955 -0.0617 0.3982 1956 0.2603 0.2364 1957 0.1268 0.1022 1958 0.0483 0.0687 1959 0.1372 0.0170 1960 -0.2292 -0.0088 1961 0.0019 0.0206 1962 -0.0022 -0.0259 1963 0.1955 -0.0037 1964 -0.0955 -0.0495 1965 -0.1184 -0.0662 1966 -0.2268 -0.1658 1967 -0.0860 -0.1883 1968 -0.3023 -0.1929 1969 -0.2078 -0.1691 1970 -0.1417 -0.2140 1971 -0.1078 -0.1052 1972 -0.3102 -0.0253 1973 0.2415 -0.0369 1974 0.1917 -0.0647 1975 -0.1999 0.0718 1976 -0.2466 -0.0715 1977 0.3723 -0.2197 1978 -0.4751 -0.1288 1979 -0.5493 0.0544 1980 0.2547 -0.0817 1981 0.6695 0.0165 1982 -0.3085 0.1359 1983 0.0159 0.0132 1984 0.0479 0.0315 1985 -0.3586 0.2554 1986 0.7610 0.3277 1987 0.8106 0.3013 1988 0.3778 0.5548 1989 -0.0844 0.5426 1990 0.9089 0.4513 1991 0.6999 0.3035 1992 0.3541 0.4278 1993 -0.3610 0.3315 1994 0.5373 0.1821 1995 0.4272 0.1422 1996 -0.0473 0.4802 1997 0.1550 0.5909 1998 1.3287 0.6497 1999 1.0907 0.8511 2000 0.7216 0.9615 2001 0.9593 0.8409 2002 0.7074 0.7508 2003 0.7256 0.7920 2004 0.6401 0.8624 2005 0.9276 0.9118 2006 1.3112 0.8027 2007 0.9544 0.7183 2008 0.1800 0.6546 2009 0.2183 0.5320 2010 0.6089 0.7185 2011 0.6983 0.7282 2012 1.8868 0.7462 2013 0.2285 0.8934 2014 0.3085 1.0885 2015 1.3449 * 2016 1.6739 *