Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4124 * 1881 0.1180 * 1882 0.0257 -0.3256 1883 -0.7868 -0.3654 1884 -0.5726 -0.4803 1885 -0.6112 -0.5289 1886 -0.4567 -0.4643 1887 -0.2173 -0.3083 1888 -0.4636 -0.1711 1889 0.2073 -0.1462 1890 0.0746 -0.1999 1891 -0.3319 -0.2279 1892 -0.4858 -0.2363 1893 -0.6039 -0.3819 1894 0.1656 -0.2737 1895 -0.6534 -0.1854 1896 0.2089 -0.0842 1897 -0.0443 -0.1853 1898 -0.0977 0.0685 1899 -0.3399 0.0457 1900 0.6154 0.0478 1901 0.0950 -0.0472 1902 -0.0338 -0.0509 1903 -0.5729 -0.2535 1904 -0.3580 -0.2679 1905 -0.3976 -0.2881 1906 0.0226 -0.1351 1907 -0.1347 -0.0983 1908 0.1923 0.0581 1909 -0.1741 0.0882 1910 0.3843 -0.0552 1911 0.1733 -0.1134 1912 -0.8520 -0.0644 1913 -0.0986 -0.1678 1914 0.0709 -0.2966 1915 -0.1325 -0.3157 1916 -0.4710 -0.2835 1917 -0.9472 -0.3204 1918 0.0625 -0.3726 1919 -0.1138 -0.0534 1920 -0.3937 0.1687 1921 1.1251 0.1436 1922 0.1636 0.0343 1923 -0.0630 0.1923 1924 -0.6603 -0.0205 1925 0.3959 -0.0133 1926 0.0611 0.0145 1927 0.2000 0.0417 1928 0.0759 -0.0132 1929 -0.5246 0.1741 1930 0.1218 0.1310 1931 0.9973 0.2493 1932 -0.0156 0.5987 1933 0.6678 0.5799 1934 1.2224 0.4126 1935 0.0274 0.3875 1936 0.1612 0.4081 1937 -0.1412 0.3220 1938 0.7709 0.3211 1939 0.7919 0.3925 1940 0.0227 0.4281 1941 0.5180 0.3020 1942 0.0372 0.1536 1943 0.1403 0.1423 1944 0.0500 0.1660 1945 -0.0338 0.1684 1946 0.6361 0.1194 1947 0.0494 0.1404 1948 -0.1047 0.0983 1949 0.1552 -0.1094 1950 -0.2444 -0.0661 1951 -0.4023 0.1260 1952 0.2659 0.2558 1953 0.8556 0.2912 1954 0.8041 0.4230 1955 -0.0671 0.3950 1956 0.2566 0.2330 1957 0.1259 0.0992 1958 0.0455 0.0656 1959 0.1352 0.0143 1960 -0.2351 -0.0119 1961 -0.0001 0.0185 1962 -0.0049 -0.0278 1963 0.1975 -0.0045 1964 -0.0965 -0.0495 1965 -0.1186 -0.0655 1966 -0.2249 -0.1654 1967 -0.0848 -0.1882 1968 -0.3022 -0.1936 1969 -0.2104 -0.1707 1970 -0.1456 -0.2148 1971 -0.1105 -0.1058 1972 -0.3055 -0.0245 1973 0.2431 -0.0341 1974 0.1959 -0.0600 1975 -0.1937 0.0765 1976 -0.2399 -0.0661 1977 0.3773 -0.2146 1978 -0.4703 -0.1248 1979 -0.5465 0.0581 1980 0.2555 -0.0778 1981 0.6743 0.0203 1982 -0.3022 0.1395 1983 0.0203 0.0170 1984 0.0496 0.0342 1985 -0.3571 0.2555 1986 0.7603 0.3256 1987 0.8042 0.2970 1988 0.3708 0.5486 1989 -0.0933 0.5354 1990 0.9009 0.4440 1991 0.6945 0.2959 1992 0.3469 0.4205 1993 -0.3695 0.3243 1994 0.5295 0.1744 1995 0.4201 0.1350 1996 -0.0552 0.4736 1997 0.1500 0.5844 1998 1.3236 0.6433 1999 1.0837 0.8446 2000 0.7145 0.9546 2001 0.9514 0.8336 2002 0.6998 0.7435 2003 0.7186 0.7846 2004 0.6334 0.8560 2005 0.9198 0.9069 2006 1.3082 0.7989 2007 0.9546 0.7148 2008 0.1786 0.6511 2009 0.2127 0.5271 2010 0.6014 0.7113 2011 0.6880 0.7187 2012 1.8756 0.7347 2013 0.2160 0.8816 2014 0.2924 * 2015 1.3359 *