Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4761 * 1881 0.0640 * 1882 -0.0200 -0.3770 1883 -0.8363 -0.4127 1884 -0.6166 -0.5257 1885 -0.6548 -0.5751 1886 -0.5009 -0.5067 1887 -0.2669 -0.3498 1888 -0.4941 -0.2106 1889 0.1678 -0.1835 1890 0.0413 -0.2359 1891 -0.3657 -0.2710 1892 -0.5289 -0.2851 1893 -0.6693 -0.4365 1894 0.0969 -0.3300 1895 -0.7154 -0.2449 1896 0.1668 -0.1392 1897 -0.1033 -0.2343 1898 -0.1410 0.0254 1899 -0.3785 0.0071 1900 0.5832 0.0179 1901 0.0750 -0.0718 1902 -0.0492 -0.0709 1903 -0.5895 -0.2702 1904 -0.3738 -0.2849 1905 -0.4135 -0.3067 1906 0.0016 -0.1546 1907 -0.1583 -0.1188 1908 0.1709 0.0370 1909 -0.1946 0.0688 1910 0.3653 -0.0727 1911 0.1609 -0.1291 1912 -0.8659 -0.0803 1913 -0.1111 -0.1844 1914 0.0492 -0.3159 1915 -0.1553 -0.3368 1916 -0.4962 -0.3062 1917 -0.9705 -0.3429 1918 0.0417 -0.3952 1919 -0.1343 -0.0757 1920 -0.4168 0.1469 1921 1.1015 0.1216 1922 0.1423 0.0128 1923 -0.0848 0.1718 1924 -0.6782 -0.0397 1925 0.3782 -0.0318 1926 0.0440 -0.0036 1927 0.1817 0.0242 1928 0.0564 -0.0297 1929 -0.5394 0.1591 1930 0.1088 0.1172 1931 0.9880 0.2372 1932 -0.0278 0.5879 1933 0.6564 0.5706 1934 1.2143 0.4039 1935 0.0221 0.3811 1936 0.1546 0.4033 1937 -0.1418 0.3175 1938 0.7674 0.3169 1939 0.7852 0.3885 1940 0.0190 0.4232 1941 0.5127 0.2962 1942 0.0315 0.1480 1943 0.1325 0.1357 1944 0.0444 0.1588 1945 -0.0428 0.1614 1946 0.6286 0.1127 1947 0.0442 0.1339 1948 -0.1110 0.0925 1949 0.1503 -0.1148 1950 -0.2495 -0.0709 1951 -0.4082 0.1227 1952 0.2637 0.2544 1953 0.8574 0.2915 1954 0.8087 0.4254 1955 -0.0643 0.3987 1956 0.2616 0.2373 1957 0.1302 0.1037 1958 0.0503 0.0704 1959 0.1406 0.0186 1960 -0.2308 -0.0081 1961 0.0028 0.0206 1962 -0.0033 -0.0274 1963 0.1935 -0.0054 1964 -0.0993 -0.0512 1965 -0.1209 -0.0680 1966 -0.2262 -0.1668 1967 -0.0869 -0.1883 1968 -0.3008 -0.1926 1969 -0.2066 -0.1694 1970 -0.1425 -0.2133 1971 -0.1100 -0.1045 1972 -0.3067 -0.0246 1973 0.2431 -0.0359 1974 0.1931 -0.0630 1975 -0.1991 0.0726 1976 -0.2454 -0.0705 1977 0.3711 -0.2188 1978 -0.4723 -0.1281 1979 -0.5484 0.0556 1980 0.2544 -0.0794 1981 0.6730 0.0187 1982 -0.3039 0.1378 1983 0.0184 0.0144 1984 0.0473 0.0305 1985 -0.3628 0.2516 1986 0.7534 0.3227 1987 0.8015 0.2955 1988 0.3739 0.5486 1989 -0.0883 0.5369 1990 0.9025 0.4461 1991 0.6950 0.2981 1992 0.3476 0.4221 1993 -0.3663 0.3269 1994 0.5318 0.1784 1995 0.4266 0.1407 1996 -0.0477 0.4806 1997 0.1589 0.5938 1998 1.3336 0.6547 1999 1.0977 0.8568 2000 0.7309 0.9672 2001 0.9628 0.8459 2002 0.7109 0.7554 2003 0.7273 0.7964 2004 0.6450 0.8689 2005 0.9362 0.9194 2006 1.3253 0.8132 2007 0.9633 0.7309 2008 0.1960 0.6672 2009 0.2337 0.5431 2010 0.6175 0.7294 2011 0.7049 0.7385 2012 1.8951 0.7540 2013 0.2412 0.9006 2014 0.3114 * 2015 1.3505 *