Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.3972 * 1881 0.1309 * 1882 0.0469 -0.3062 1883 -0.7623 -0.3458 1884 -0.5491 -0.4558 1885 -0.5956 -0.4967 1886 -0.4191 -0.4240 1887 -0.1572 -0.2603 1888 -0.3991 -0.1186 1889 0.2696 -0.0911 1890 0.1127 -0.1556 1891 -0.2815 -0.1980 1892 -0.4797 -0.2187 1893 -0.6110 -0.3708 1894 0.1659 -0.2698 1895 -0.6478 -0.1858 1896 0.2237 -0.0849 1897 -0.0597 -0.1888 1898 -0.1067 0.0606 1899 -0.3534 0.0312 1900 0.5991 0.0358 1901 0.0768 -0.0575 1902 -0.0369 -0.0574 1903 -0.5731 -0.2560 1904 -0.3528 -0.2671 1905 -0.3941 -0.2885 1906 0.0214 -0.1373 1907 -0.1440 -0.1050 1908 0.1829 0.0471 1909 -0.1914 0.0762 1910 0.3667 -0.0661 1911 0.1667 -0.1230 1912 -0.8552 -0.0720 1913 -0.1020 -0.1753 1914 0.0636 -0.3057 1915 -0.1494 -0.3274 1916 -0.4857 -0.2970 1917 -0.9637 -0.3351 1918 0.0503 -0.3864 1919 -0.1272 -0.0662 1920 -0.4055 0.1568 1921 1.1150 0.1312 1922 0.1512 0.0220 1923 -0.0775 0.1789 1924 -0.6730 -0.0348 1925 0.3787 -0.0272 1926 0.0466 0.0016 1927 0.1893 0.0295 1928 0.0663 -0.0226 1929 -0.5336 0.1668 1930 0.1183 0.1249 1931 0.9939 0.2442 1932 -0.0205 0.5946 1933 0.6630 0.5763 1934 1.2181 0.4096 1935 0.0268 0.3854 1936 0.1607 0.4074 1937 -0.1415 0.3211 1938 0.7728 0.3189 1939 0.7865 0.3888 1940 0.0158 0.4227 1941 0.5105 0.2948 1942 0.0280 0.1461 1943 0.1334 0.1350 1944 0.0430 0.1583 1945 -0.0400 0.1606 1946 0.6273 0.1120 1947 0.0393 0.1342 1948 -0.1096 0.0930 1949 0.1542 -0.1135 1950 -0.2464 -0.0691 1951 -0.4048 0.1233 1952 0.2611 0.2529 1953 0.8523 0.2887 1954 0.8024 0.4215 1955 -0.0673 0.3942 1956 0.2591 0.2327 1957 0.1247 0.0988 1958 0.0448 0.0658 1959 0.1326 0.0144 1960 -0.2321 -0.0105 1961 0.0021 0.0196 1962 0.0000 -0.0260 1963 0.1954 -0.0028 1964 -0.0952 -0.0479 1965 -0.1161 -0.0646 1966 -0.2235 -0.1636 1967 -0.0838 -0.1857 1968 -0.2992 -0.1903 1969 -0.2058 -0.1665 1970 -0.1391 -0.2109 1971 -0.1048 -0.1029 1972 -0.3057 -0.0238 1973 0.2408 -0.0358 1974 0.1898 -0.0636 1975 -0.1991 0.0727 1976 -0.2440 -0.0699 1977 0.3758 -0.2173 1978 -0.4720 -0.1259 1979 -0.5470 0.0579 1980 0.2575 -0.0779 1981 0.6753 0.0207 1982 -0.3034 0.1408 1983 0.0210 0.0166 1984 0.0535 0.0329 1985 -0.3633 0.2558 1986 0.7567 0.3281 1987 0.8110 0.3011 1988 0.3824 0.5567 1989 -0.0812 0.5464 1990 0.9146 0.4559 1991 0.7053 0.3083 1992 0.3583 0.4331 1993 -0.3553 0.3368 1994 0.5426 0.1873 1995 0.4329 0.1478 1996 -0.0421 0.4859 1997 0.1607 0.5969 1998 1.3356 0.6556 1999 1.0975 0.8568 2000 0.7263 0.9669 2001 0.9640 0.8458 2002 0.7110 0.7559 2003 0.7301 0.7984 2004 0.6483 0.8699 2005 0.9386 0.9208 2006 1.3217 0.8139 2007 0.9651 0.7302 2008 0.1956 0.6660 2009 0.2302 0.5429 2010 0.6173 0.7295 2011 0.7062 0.7377 2012 1.8984 0.7537 2013 0.2366 0.9002 2014 0.3099 1.0938 2015 1.3500 1.0013 2016 1.6739 * 2017 1.4359 *