Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4689 * 1881 0.0474 * 1882 -0.0940 -0.3844 1883 -0.8050 -0.4094 1884 -0.6017 -0.5235 1885 -0.5936 -0.5661 1886 -0.5231 -0.5024 1887 -0.3070 -0.3505 1888 -0.4867 -0.2224 1889 0.1579 -0.1887 1890 0.0470 -0.2342 1891 -0.3548 -0.2702 1892 -0.5346 -0.2833 1893 -0.6663 -0.4412 1894 0.0924 -0.3426 1895 -0.7426 -0.2636 1896 0.1380 -0.1701 1897 -0.1393 -0.2717 1898 -0.1989 -0.0142 1899 -0.4156 -0.0360 1900 0.5448 -0.0249 1901 0.0290 -0.1080 1902 -0.0840 -0.1034 1903 -0.6144 -0.3019 1904 -0.3923 -0.3130 1905 -0.4477 -0.3345 1906 -0.0265 -0.1848 1907 -0.1914 -0.1524 1908 0.1339 0.0042 1909 -0.2304 0.0377 1910 0.3352 -0.0997 1911 0.1411 -0.1527 1912 -0.8785 -0.1019 1913 -0.1308 -0.2054 1914 0.0235 -0.3377 1915 -0.1823 -0.3599 1916 -0.5202 -0.3280 1917 -0.9895 -0.3638 1918 0.0284 -0.4132 1919 -0.1555 -0.0907 1920 -0.4292 0.1344 1921 1.0925 0.1096 1922 0.1360 0.0034 1923 -0.0956 0.1639 1924 -0.6867 -0.0482 1925 0.3733 -0.0420 1926 0.0318 -0.0138 1927 0.1672 0.0147 1928 0.0454 -0.0396 1929 -0.5441 0.1508 1930 0.1016 0.1114 1931 0.9840 0.2334 1932 -0.0298 0.5860 1933 0.6555 0.5719 1934 1.2188 0.4063 1935 0.0309 0.3832 1936 0.1561 0.4064 1937 -0.1453 0.3200 1938 0.7717 0.3172 1939 0.7864 0.3894 1940 0.0170 0.4261 1941 0.5171 0.2995 1942 0.0384 0.1514 1943 0.1384 0.1397 1944 0.0461 0.1633 1945 -0.0415 0.1661 1946 0.6352 0.1174 1947 0.0521 0.1398 1948 -0.1047 0.0988 1949 0.1577 -0.1092 1950 -0.2462 -0.0669 1951 -0.4049 0.1246 1952 0.2634 0.2538 1953 0.8530 0.2896 1954 0.8035 0.4226 1955 -0.0668 0.3955 1956 0.2598 0.2346 1957 0.1281 0.1016 1958 0.0484 0.0690 1959 0.1385 0.0176 1960 -0.2298 -0.0088 1961 0.0026 0.0197 1962 -0.0037 -0.0280 1963 0.1907 -0.0067 1964 -0.0999 -0.0524 1965 -0.1232 -0.0685 1966 -0.2258 -0.1662 1967 -0.0841 -0.1870 1968 -0.2978 -0.1899 1969 -0.2039 -0.1653 1970 -0.1379 -0.2087 1971 -0.1028 -0.1006 1972 -0.3013 -0.0214 1973 0.2428 -0.0343 1974 0.1920 -0.0643 1975 -0.2022 0.0701 1976 -0.2527 -0.0723 1977 0.3706 -0.2206 1978 -0.4691 -0.1280 1979 -0.5497 0.0576 1980 0.2607 -0.0781 1981 0.6755 0.0192 1982 -0.3079 0.1397 1983 0.0176 0.0168 1984 0.0528 0.0339 1985 -0.3538 0.2576 1986 0.7608 0.3294 1987 0.8108 0.3013 1988 0.3765 0.5530 1989 -0.0879 0.5403 1990 0.9049 0.4489 1991 0.6973 0.3008 1992 0.3537 0.4250 1993 -0.3642 0.3301 1994 0.5334 0.1823 1995 0.4304 0.1432 1996 -0.0416 0.4815 1997 0.1578 0.5937 1998 1.3276 0.6520 1999 1.0944 0.8516 2000 0.7218 0.9602 2001 0.9566 0.8388 2002 0.7006 0.7467 2003 0.7208 0.7890 2004 0.6339 0.8606 2005 0.9333 0.9111 2006 1.3144 0.8032 2007 0.9530 0.7209 2008 0.1813 0.6557 2009 0.2225 0.5304 2010 0.6074 0.7133 2011 0.6876 0.7202 2012 1.8676 * 2013 0.2159 *