Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5100 * 1881 0.0230 * 1882 -0.0520 -0.4140 1883 -0.8700 -0.4570 1884 -0.6610 -0.5678 1885 -0.7250 -0.6100 1886 -0.5310 -0.5498 1887 -0.2630 -0.3934 1888 -0.5690 -0.2438 1889 0.1210 -0.2160 1890 0.0230 -0.2890 1891 -0.3920 -0.3244 1892 -0.6280 -0.3402 1893 -0.7460 -0.4892 1894 0.0420 -0.3822 1895 -0.7220 -0.2868 1896 0.1430 -0.1778 1897 -0.1510 -0.2702 1898 -0.2010 -0.0180 1899 -0.4200 -0.0412 1900 0.5390 -0.0256 1901 0.0270 -0.1088 1902 -0.0730 -0.1038 1903 -0.6170 -0.3008 1904 -0.3950 -0.3128 1905 -0.4460 -0.3378 1906 -0.0330 -0.1874 1907 -0.1980 -0.1556 1908 0.1350 -0.0010 1909 -0.2360 0.0320 1910 0.3270 -0.1044 1911 0.1320 -0.1588 1912 -0.8800 -0.1090 1913 -0.1370 -0.2114 1914 0.0130 -0.3416 1915 -0.1850 -0.3642 1916 -0.5190 -0.3326 1917 -0.9930 -0.3662 1918 0.0210 -0.4160 1919 -0.1550 -0.0944 1920 -0.4340 0.1300 1921 1.0890 0.1058 1922 0.1290 -0.0026 1923 -0.1000 0.1586 1924 -0.6970 -0.0520 1925 0.3720 -0.0440 1926 0.0360 -0.0146 1927 0.1690 0.0160 1928 0.0470 -0.0374 1929 -0.5440 0.1532 1930 0.1050 0.1150 1931 0.9890 0.2378 1932 -0.0220 0.5914 1933 0.6610 0.5772 1934 1.2240 0.4112 1935 0.0340 0.3868 1936 0.1590 0.4088 1937 -0.1440 0.3224 1938 0.7710 0.3192 1939 0.7920 0.3890 1940 0.0180 0.4226 1941 0.5080 0.2936 1942 0.0240 0.1430 1943 0.1260 0.1298 1944 0.0390 0.1532 1945 -0.0480 0.1570 1946 0.6250 0.1090 1947 0.0430 0.1304 1948 -0.1140 0.0894 1949 0.1460 -0.1172 1950 -0.2530 -0.0736 1951 -0.4080 0.1198 1952 0.2610 0.2508 1953 0.8530 0.2878 1954 0.8010 0.4210 1955 -0.0680 0.3924 1956 0.2580 0.2302 1957 0.1180 0.0970 1958 0.0420 0.0636 1959 0.1350 0.0114 1960 -0.2350 -0.0134 1961 -0.0030 0.0166 1962 -0.0060 -0.0300 1963 0.1920 -0.0064 1964 -0.0980 -0.0504 1965 -0.1170 -0.0658 1966 -0.2230 -0.1644 1967 -0.0830 -0.1860 1968 -0.3010 -0.1910 1969 -0.2060 -0.1676 1970 -0.1420 -0.2110 1971 -0.1060 -0.1018 1972 -0.3000 -0.0214 1973 0.2450 -0.0322 1974 0.1960 -0.0594 1975 -0.1960 0.0762 1976 -0.2420 -0.0658 1977 0.3780 -0.2134 1978 -0.4650 -0.1220 1979 -0.5420 0.0614 1980 0.2610 -0.0744 1981 0.6750 0.0228 1982 -0.3010 0.1426 1983 0.0210 0.0212 1984 0.0570 0.0400 1985 -0.3460 0.2618 1986 0.7690 0.3340 1987 0.8080 0.3052 1988 0.3820 0.5556 1989 -0.0870 0.5416 1990 0.9060 0.4508 1991 0.6990 0.3014 1992 0.3540 0.4254 1993 -0.3650 0.3300 1994 0.5330 0.1818 1995 0.4290 0.1434 1996 -0.0420 0.4836 1997 0.1620 0.5964 1998 1.3360 0.6552 1999 1.0970 0.8544 2000 0.7230 0.9606 2001 0.9540 0.8356 2002 0.6930 0.7416 2003 0.7110 0.7812 2004 0.6270 0.8500 2005 0.9210 0.9000 2006 1.2980 0.7926 2007 0.9430 0.7078 2008 0.1740 0.6428 2009 0.2030 0.5184 2010 0.5960 * 2011 0.6760 *