Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4810 * 1881 0.0460 * 1882 -0.0280 -0.3894 1883 -0.8680 -0.4352 1884 -0.6160 -0.5622 1885 -0.7100 -0.6268 1886 -0.5890 -0.5790 1887 -0.3510 -0.4404 1888 -0.6290 -0.3050 1889 0.0770 -0.2658 1890 -0.0330 -0.3302 1891 -0.3930 -0.3486 1892 -0.6730 -0.3448 1893 -0.7210 -0.4754 1894 0.0960 -0.3616 1895 -0.6860 -0.2496 1896 0.1760 -0.1408 1897 -0.1130 -0.2404 1898 -0.1770 0.0098 1899 -0.4020 -0.0114 1900 0.5650 0.0012 1901 0.0700 -0.0816 1902 -0.0500 -0.0764 1903 -0.5910 -0.2772 1904 -0.3760 -0.2960 1905 -0.4390 -0.3238 1906 -0.0240 -0.1800 1907 -0.1890 -0.1514 1908 0.1280 0.0016 1909 -0.2330 0.0294 1910 0.3260 -0.1118 1911 0.1150 -0.1672 1912 -0.8950 -0.1208 1913 -0.1490 -0.2266 1914 -0.0010 -0.3604 1915 -0.2030 -0.3850 1916 -0.5540 -0.3550 1917 -1.0180 -0.3882 1918 0.0010 -0.4376 1919 -0.1670 -0.1110 1920 -0.4500 0.1138 1921 1.0790 0.0900 1922 0.1060 -0.0204 1923 -0.1180 0.1374 1924 -0.7190 -0.0768 1925 0.3390 -0.0688 1926 0.0080 -0.0396 1927 0.1460 -0.0094 1928 0.0280 -0.0618 1929 -0.5680 0.1294 1930 0.0770 0.0882 1931 0.9640 0.2076 1932 -0.0600 0.5600 1933 0.6250 0.5456 1934 1.1940 0.3796 1935 0.0050 0.3588 1936 0.1340 0.3838 1937 -0.1640 0.2994 1938 0.7500 0.2990 1939 0.7720 0.3708 1940 0.0030 0.4048 1941 0.4930 0.2776 1942 0.0060 0.1284 1943 0.1140 0.1156 1944 0.0260 0.1416 1945 -0.0610 0.1488 1946 0.6230 0.1056 1947 0.0420 0.1320 1948 -0.1020 0.0966 1949 0.1580 -0.1072 1950 -0.2380 -0.0614 1951 -0.3960 0.1308 1952 0.2710 0.2614 1953 0.8590 0.2968 1954 0.8110 0.4278 1955 -0.0610 0.3986 1956 0.2590 0.2370 1957 0.1250 0.1032 1958 0.0510 0.0694 1959 0.1420 0.0158 1960 -0.2300 -0.0122 1961 -0.0090 0.0138 1962 -0.0150 -0.0364 1963 0.1810 -0.0158 1964 -0.1090 -0.0594 1965 -0.1270 -0.0734 1966 -0.2270 -0.1692 1967 -0.0850 -0.1878 1968 -0.2980 -0.1892 1969 -0.2020 -0.1648 1970 -0.1340 -0.2096 1971 -0.1050 -0.1020 1972 -0.3090 -0.0224 1973 0.2400 -0.0340 1974 0.1960 -0.0618 1975 -0.1920 0.0748 1976 -0.2440 -0.0676 1977 0.3740 -0.2168 1978 -0.4720 -0.1276 1979 -0.5500 0.0552 1980 0.2540 -0.0820 1981 0.6700 0.0128 1982 -0.3120 0.1318 1983 0.0020 0.0088 1984 0.0450 0.0268 1985 -0.3610 0.2504 1986 0.7600 0.3262 1987 0.8060 0.3010 1988 0.3810 0.5564 1989 -0.0810 0.5460 1990 0.9160 0.4572 1991 0.7080 0.3096 1992 0.3620 0.4358 1993 -0.3570 0.3380 1994 0.5500 0.1842 1995 0.4270 0.1402 1996 -0.0610 0.4746 1997 0.1420 0.5774 1998 1.3150 0.6296 1999 1.0640 0.8252 2000 0.6880 0.9304 2001 0.9170 0.8034 2002 0.6680 0.7108 2003 0.6800 0.7552 2004 0.6010 0.8294 2005 0.9100 0.8682 2006 1.2880 0.7484 2007 0.8620 0.6510 2008 0.0810 0.5684 2009 0.1140 0.4062 2010 0.4970 * 2011 0.4770 *