Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4679 * 1881 0.0681 * 1882 -0.0190 -0.3751 1883 -0.8345 -0.4138 1884 -0.6223 -0.5282 1885 -0.6615 -0.5753 1886 -0.5036 -0.5080 1887 -0.2544 -0.3488 1888 -0.4980 -0.2114 1889 0.1734 -0.1865 1890 0.0255 -0.2457 1891 -0.3789 -0.2841 1892 -0.5506 -0.2971 1893 -0.6899 -0.4424 1894 0.1082 -0.3315 1895 -0.7007 -0.2419 1896 0.1756 -0.1308 1897 -0.1029 -0.2276 1898 -0.1344 0.0283 1899 -0.3758 0.0066 1900 0.5791 0.0159 1901 0.0669 -0.0764 1902 -0.0563 -0.0776 1903 -0.5957 -0.2768 1904 -0.3818 -0.2896 1905 -0.4172 -0.3099 1906 0.0029 -0.1566 1907 -0.1577 -0.1190 1908 0.1709 0.0380 1909 -0.1941 0.0698 1910 0.3681 -0.0708 1911 0.1617 -0.1259 1912 -0.8607 -0.0760 1913 -0.1043 -0.1802 1914 0.0553 -0.3105 1915 -0.1529 -0.3315 1916 -0.4898 -0.3019 1917 -0.9659 -0.3394 1918 0.0437 -0.3913 1919 -0.1322 -0.0718 1920 -0.4124 0.1497 1921 1.1077 0.1243 1922 0.1418 0.0155 1923 -0.0833 0.1738 1924 -0.6761 -0.0379 1925 0.3788 -0.0288 1926 0.0494 -0.0001 1927 0.1870 0.0274 1928 0.0602 -0.0266 1929 -0.5385 0.1618 1930 0.1091 0.1198 1931 0.9914 0.2402 1932 -0.0233 0.5918 1933 0.6622 0.5754 1934 1.2196 0.4093 1935 0.0273 0.3860 1936 0.1608 0.4081 1937 -0.1397 0.3222 1938 0.7724 0.3216 1939 0.7902 0.3929 1940 0.0243 0.4283 1941 0.5174 0.3017 1942 0.0372 0.1539 1943 0.1392 0.1420 1944 0.0515 0.1659 1945 -0.0351 0.1691 1946 0.6365 0.1215 1947 0.0534 0.1440 1948 -0.0988 0.1029 1949 0.1642 -0.1044 1950 -0.2407 -0.0613 1951 -0.3999 0.1305 1952 0.2687 0.2596 1953 0.8602 0.2953 1954 0.8095 0.4278 1955 -0.0619 0.3999 1956 0.2627 0.2378 1957 0.1291 0.1036 1958 0.0494 0.0697 1959 0.1387 0.0174 1960 -0.2312 -0.0092 1961 0.0012 0.0201 1962 -0.0043 -0.0270 1963 0.1959 -0.0047 1964 -0.0968 -0.0500 1965 -0.1197 -0.0658 1966 -0.2249 -0.1652 1967 -0.0837 -0.1877 1968 -0.3010 -0.1924 1969 -0.2090 -0.1693 1970 -0.1433 -0.2143 1971 -0.1096 -0.1067 1972 -0.3088 -0.0270 1973 0.2372 -0.0385 1974 0.1894 -0.0659 1975 -0.2009 0.0700 1976 -0.2464 -0.0722 1977 0.3706 -0.2201 1978 -0.4739 -0.1296 1979 -0.5499 0.0529 1980 0.2516 -0.0834 1981 0.6659 0.0142 1982 -0.3109 0.1336 1983 0.0145 0.0112 1984 0.0470 0.0296 1985 -0.3606 0.2530 1986 0.7580 0.3246 1987 0.8062 0.2967 1988 0.3726 0.5490 1989 -0.0925 0.5356 1990 0.9005 0.4424 1991 0.6912 0.2932 1992 0.3401 0.4175 1993 -0.3731 0.3219 1994 0.5290 0.1727 1995 0.4222 0.1358 1996 -0.0547 0.4762 1997 0.1556 0.5895 1998 1.3289 0.6496 1999 1.0955 0.8520 2000 0.7225 0.9617 2001 0.9576 0.8408 2002 0.7042 0.7501 2003 0.7242 0.7920 2004 0.6422 0.8643 2005 0.9318 0.9161 2006 1.3191 0.8091 2007 0.9631 0.7248 2008 0.1894 0.6603 2009 0.2206 0.5368 2010 0.6091 0.7234 2011 0.7017 0.7326 2012 1.8961 0.7502 2013 0.2355 0.8978 2014 0.3086 * 2015 1.3470 *