Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4095 * 1881 0.1361 * 1882 0.0539 -0.3041 1883 -0.7566 -0.3403 1884 -0.5442 -0.4563 1885 -0.5908 -0.5030 1886 -0.4437 -0.4327 1887 -0.1796 -0.2751 1888 -0.4050 -0.1354 1889 0.2435 -0.1062 1890 0.1076 -0.1667 1891 -0.2976 -0.2140 1892 -0.4818 -0.2340 1893 -0.6419 -0.3916 1894 0.1437 -0.2926 1895 -0.6803 -0.2121 1896 0.1973 -0.1083 1897 -0.0791 -0.2111 1898 -0.1230 0.0421 1899 -0.3705 0.0169 1900 0.5860 0.0216 1901 0.0709 -0.0741 1902 -0.0556 -0.0761 1903 -0.6011 -0.2779 1904 -0.3806 -0.2934 1905 -0.4229 -0.3154 1906 -0.0066 -0.1626 1907 -0.1656 -0.1285 1908 0.1626 0.0263 1909 -0.2098 0.0578 1910 0.3508 -0.0832 1911 0.1511 -0.1387 1912 -0.8708 -0.0875 1913 -0.1150 -0.1900 1914 0.0463 -0.3203 1915 -0.1615 -0.3421 1916 -0.5005 -0.3115 1917 -0.9799 -0.3476 1918 0.0383 -0.3968 1919 -0.1342 -0.0741 1920 -0.4079 0.1509 1921 1.1132 0.1263 1922 0.1453 0.0183 1923 -0.0849 0.1757 1924 -0.6741 -0.0382 1925 0.3788 -0.0305 1926 0.0438 -0.0014 1927 0.1838 0.0266 1928 0.0608 -0.0260 1929 -0.5343 0.1639 1930 0.1159 0.1220 1931 0.9933 0.2423 1932 -0.0256 0.5933 1933 0.6622 0.5759 1934 1.2209 0.4100 1935 0.0288 0.3873 1936 0.1636 0.4100 1937 -0.1392 0.3233 1938 0.7759 0.3214 1939 0.7873 0.3915 1940 0.0192 0.4259 1941 0.5144 0.2979 1942 0.0328 0.1499 1943 0.1356 0.1383 1944 0.0475 0.1613 1945 -0.0387 0.1642 1946 0.6291 0.1161 1947 0.0476 0.1375 1948 -0.1051 0.0953 1949 0.1544 -0.1113 1950 -0.2497 -0.0680 1951 -0.4036 0.1242 1952 0.2638 0.2547 1953 0.8561 0.2921 1954 0.8069 0.4243 1955 -0.0629 0.3958 1956 0.2574 0.2331 1957 0.1215 0.0988 1958 0.0425 0.0653 1959 0.1353 0.0143 1960 -0.2304 -0.0106 1961 0.0025 0.0202 1962 -0.0028 -0.0262 1963 0.1965 -0.0032 1964 -0.0967 -0.0480 1965 -0.1153 -0.0644 1966 -0.2216 -0.1639 1967 -0.0848 -0.1859 1968 -0.3013 -0.1911 1969 -0.2066 -0.1688 1970 -0.1413 -0.2136 1971 -0.1100 -0.1056 1972 -0.3090 -0.0261 1973 0.2390 -0.0373 1974 0.1906 -0.0638 1975 -0.1971 0.0732 1976 -0.2423 -0.0687 1977 0.3758 -0.2165 1978 -0.4707 -0.1259 1979 -0.5482 0.0568 1980 0.2558 -0.0795 1981 0.6711 0.0187 1982 -0.3057 0.1392 1983 0.0206 0.0181 1984 0.0544 0.0365 1985 -0.3500 0.2601 1986 0.7630 0.3329 1987 0.8124 0.3063 1988 0.3846 0.5586 1989 -0.0787 0.5470 1990 0.9116 0.4571 1991 0.7053 0.3099 1992 0.3629 0.4339 1993 -0.3515 0.3379 1994 0.5412 0.1888 1995 0.4314 0.1486 1996 -0.0399 0.4860 1997 0.1617 0.5985 1998 1.3357 0.6587 1999 1.1036 0.8601 2000 0.7326 0.9701 2001 0.9670 0.8493 2002 0.7114 0.7584 2003 0.7318 0.8003 2004 0.6491 0.8712 2005 0.9420 0.9214 2006 1.3217 0.8132 2007 0.9624 0.7286 2008 0.1907 0.6627 2009 0.2264 0.5386 2010 0.6121 0.7253 2011 0.7015 0.7358 2012 1.8959 0.7531 2013 0.2431 0.9007 2014 0.3130 1.0948 2015 1.3498 1.0032 2016 1.6721 * 2017 1.4378 *