Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.3841 * 1881 0.1470 * 1882 0.0666 -0.2883 1883 -0.7408 -0.3255 1884 -0.5301 -0.4396 1885 -0.5702 -0.4859 1886 -0.4234 -0.4198 1887 -0.1648 -0.2636 1888 -0.4106 -0.1294 1889 0.2510 -0.1036 1890 0.1006 -0.1703 1891 -0.2940 -0.2170 1892 -0.4983 -0.2380 1893 -0.6443 -0.3927 1894 0.1459 -0.2923 1895 -0.6726 -0.2075 1896 0.2079 -0.1028 1897 -0.0742 -0.2060 1898 -0.1208 0.0459 1899 -0.3705 0.0189 1900 0.5871 0.0260 1901 0.0730 -0.0655 1902 -0.0390 -0.0632 1903 -0.5782 -0.2611 1904 -0.3591 -0.2736 1905 -0.4024 -0.2956 1906 0.0108 -0.1439 1907 -0.1492 -0.1106 1908 0.1805 0.0418 1909 -0.1929 0.0721 1910 0.3597 -0.0703 1911 0.1624 -0.1269 1912 -0.8613 -0.0759 1913 -0.1024 -0.1776 1914 0.0622 -0.3070 1915 -0.1487 -0.3267 1916 -0.4846 -0.2943 1917 -0.9602 -0.3306 1918 0.0596 -0.3804 1919 -0.1190 -0.0588 1920 -0.3977 0.1650 1921 1.1234 0.1392 1922 0.1588 0.0302 1923 -0.0695 0.1874 1924 -0.6638 -0.0263 1925 0.3880 -0.0188 1926 0.0550 0.0102 1927 0.1963 0.0387 1928 0.0754 -0.0134 1929 -0.5211 0.1753 1930 0.1273 0.1327 1931 0.9985 0.2513 1932 -0.0168 0.6005 1933 0.6686 0.5815 1934 1.2249 0.4148 1935 0.0324 0.3908 1936 0.1648 0.4124 1937 -0.1365 0.3252 1938 0.7763 0.3231 1939 0.7892 0.3936 1940 0.0216 0.4279 1941 0.5174 0.2998 1942 0.0350 0.1512 1943 0.1359 0.1391 1944 0.0460 0.1614 1945 -0.0388 0.1629 1946 0.6291 0.1136 1947 0.0424 0.1343 1948 -0.1106 0.0919 1949 0.1493 -0.1154 1950 -0.2506 -0.0715 1951 -0.4073 0.1213 1952 0.2618 0.2522 1953 0.8533 0.2889 1954 0.8036 0.4222 1955 -0.0667 0.3949 1956 0.2592 0.2337 1957 0.1252 0.1002 1958 0.0471 0.0676 1959 0.1362 0.0164 1960 -0.2296 -0.0090 1961 0.0031 0.0208 1962 -0.0017 -0.0257 1963 0.1961 -0.0035 1964 -0.0963 -0.0494 1965 -0.1189 -0.0661 1966 -0.2260 -0.1652 1967 -0.0855 -0.1870 1968 -0.2994 -0.1915 1969 -0.2053 -0.1677 1970 -0.1414 -0.2119 1971 -0.1071 -0.1036 1972 -0.3063 -0.0242 1973 0.2419 -0.0353 1974 0.1919 -0.0624 1975 -0.1969 0.0737 1976 -0.2424 -0.0692 1977 0.3740 -0.2172 1978 -0.4728 -0.1264 1979 -0.5480 0.0575 1980 0.2572 -0.0770 1981 0.6769 0.0229 1982 -0.2982 0.1440 1983 0.0266 0.0219 1984 0.0575 0.0388 1985 -0.3534 0.2602 1986 0.7616 0.3309 1987 0.8087 0.3027 1988 0.3801 0.5553 1989 -0.0837 0.5431 1990 0.9097 0.4526 1991 0.7006 0.3051 1992 0.3563 0.4295 1993 -0.3574 0.3337 1994 0.5385 0.1845 1995 0.4305 0.1447 1996 -0.0456 0.4822 1997 0.1575 0.5928 1998 1.3301 0.6506 1999 1.0917 0.8514 2000 0.7192 0.9609 2001 0.9585 0.8400 2002 0.7052 0.7500 2003 0.7254 0.7927 2004 0.6417 0.8637 2005 0.9329 0.9127 2006 1.3133 0.8050 2007 0.9504 0.7209 2008 0.1867 0.6561 2009 0.2212 0.5328 2010 0.6087 0.7206 2011 0.6970 0.7292 2012 1.8893 0.7470 2013 0.2298 0.8948 2014 0.3103 1.0899 2015 1.3475 0.9978 2016 1.6727 * 2017 1.4288 *