Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4590 * 1881 0.0660 * 1882 -0.0050 -0.3674 1883 -0.8450 -0.4132 1884 -0.5940 -0.5404 1885 -0.6880 -0.6056 1886 -0.5700 -0.5574 1887 -0.3310 -0.4184 1888 -0.6040 -0.2830 1889 0.1010 -0.2448 1890 -0.0110 -0.3110 1891 -0.3790 -0.3328 1892 -0.6620 -0.3328 1893 -0.7130 -0.4678 1894 0.1010 -0.3566 1895 -0.6860 -0.2466 1896 0.1770 -0.1392 1897 -0.1120 -0.2394 1898 -0.1760 0.0114 1899 -0.4000 -0.0094 1900 0.5680 0.0036 1901 0.0730 -0.0780 1902 -0.0470 -0.0720 1903 -0.5840 -0.2728 1904 -0.3700 -0.2918 1905 -0.4360 -0.3196 1906 -0.0220 -0.1764 1907 -0.1860 -0.1484 1908 0.1320 0.0048 1909 -0.2300 0.0328 1910 0.3300 -0.1084 1911 0.1180 -0.1642 1912 -0.8920 -0.1178 1913 -0.1470 -0.2240 1914 0.0020 -0.3578 1915 -0.2010 -0.3824 1916 -0.5510 -0.3522 1917 -1.0150 -0.3858 1918 0.0040 -0.4352 1919 -0.1660 -0.1088 1920 -0.4480 0.1156 1921 1.0810 0.0916 1922 0.1070 -0.0188 1923 -0.1160 0.1388 1924 -0.7180 -0.0754 1925 0.3400 -0.0676 1926 0.0100 -0.0388 1927 0.1460 -0.0088 1928 0.0280 -0.0612 1929 -0.5680 0.1300 1930 0.0780 0.0892 1931 0.9660 0.2088 1932 -0.0580 0.5614 1933 0.6260 0.5468 1934 1.1950 0.3804 1935 0.0050 0.3592 1936 0.1340 0.3840 1937 -0.1640 0.2994 1938 0.7500 0.2990 1939 0.7720 0.3708 1940 0.0030 0.4050 1941 0.4930 0.2780 1942 0.0070 0.1288 1943 0.1150 0.1162 1944 0.0260 0.1424 1945 -0.0600 0.1496 1946 0.6240 0.1062 1947 0.0430 0.1326 1948 -0.1020 0.0970 1949 0.1580 -0.1070 1950 -0.2380 -0.0614 1951 -0.3960 0.1308 1952 0.2710 0.2612 1953 0.8590 0.2964 1954 0.8100 0.4270 1955 -0.0620 0.3976 1956 0.2570 0.2358 1957 0.1240 0.1022 1958 0.0500 0.0686 1959 0.1420 0.0152 1960 -0.2300 -0.0128 1961 -0.0100 0.0136 1962 -0.0160 -0.0364 1963 0.1820 -0.0160 1964 -0.1080 -0.0594 1965 -0.1280 -0.0734 1966 -0.2270 -0.1694 1967 -0.0860 -0.1882 1968 -0.2980 -0.1892 1969 -0.2020 -0.1648 1970 -0.1330 -0.2094 1971 -0.1050 -0.1016 1972 -0.3090 -0.0220 1973 0.2410 -0.0338 1974 0.1960 -0.0614 1975 -0.1920 0.0754 1976 -0.2430 -0.0668 1977 0.3750 -0.2158 1978 -0.4700 -0.1262 1979 -0.5490 0.0564 1980 0.2560 -0.0810 1981 0.6700 0.0136 1982 -0.3120 0.1326 1983 0.0030 0.0098 1984 0.0460 0.0282 1985 -0.3580 0.2522 1986 0.7620 0.3284 1987 0.8080 0.3036 1988 0.3840 0.5590 1989 -0.0780 0.5490 1990 0.9190 0.4606 1991 0.7120 0.3130 1992 0.3660 0.4390 1993 -0.3540 0.3414 1994 0.5520 0.1876 1995 0.4310 0.1436 1996 -0.0570 0.4780 1997 0.1460 0.5812 1998 1.3180 0.6334 1999 1.0680 0.8288 2000 0.6920 0.9342 2001 0.9200 0.8074 2002 0.6730 0.7146 2003 0.6840 0.7586 2004 0.6040 0.8326 2005 0.9120 0.8706 2006 1.2900 0.7536 2007 0.8630 0.6604 2008 0.0990 0.5832 2009 0.1380 * 2010 0.5260 *