Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4830 * 1881 0.0410 * 1882 -0.0300 -0.3920 1883 -0.8700 -0.4378 1884 -0.6180 -0.5644 1885 -0.7120 -0.6290 1886 -0.5920 -0.5808 1887 -0.3530 -0.4416 1888 -0.6290 -0.3056 1889 0.0780 -0.2656 1890 -0.0320 -0.3294 1891 -0.3920 -0.3472 1892 -0.6720 -0.3436 1893 -0.7180 -0.4744 1894 0.0960 -0.3608 1895 -0.6860 -0.2488 1896 0.1760 -0.1404 1897 -0.1120 -0.2394 1898 -0.1760 0.0116 1899 -0.3990 -0.0090 1900 0.5690 0.0040 1901 0.0730 -0.0776 1902 -0.0470 -0.0718 1903 -0.5840 -0.2726 1904 -0.3700 -0.2912 1905 -0.4350 -0.3188 1906 -0.0200 -0.1758 1907 -0.1850 -0.1478 1908 0.1310 0.0048 1909 -0.2300 0.0322 1910 0.3280 -0.1092 1911 0.1170 -0.1648 1912 -0.8920 -0.1186 1913 -0.1470 -0.2246 1914 0.0010 -0.3584 1915 -0.2020 -0.3830 1916 -0.5520 -0.3528 1917 -1.0150 -0.3860 1918 0.0040 -0.4354 1919 -0.1650 -0.1090 1920 -0.4490 0.1156 1921 1.0800 0.0918 1922 0.1080 -0.0184 1923 -0.1150 0.1396 1924 -0.7160 -0.0746 1925 0.3410 -0.0670 1926 0.0090 -0.0384 1927 0.1460 -0.0088 1928 0.0280 -0.0614 1929 -0.5680 0.1298 1930 0.0780 0.0888 1931 0.9650 0.2084 1932 -0.0590 0.5610 1933 0.6260 0.5464 1934 1.1950 0.3802 1935 0.0050 0.3592 1936 0.1340 0.3840 1937 -0.1640 0.2996 1938 0.7500 0.2992 1939 0.7730 0.3710 1940 0.0030 0.4052 1941 0.4930 0.2782 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 -0.1068 1950 -0.2380 -0.0612 1951 -0.3950 0.1310 1952 0.2710 0.2616 1953 0.8590 0.2970 1954 0.8110 0.4276 1955 -0.0610 0.3982 1956 0.2580 0.2364 1957 0.1240 0.1026 1958 0.0500 0.0688 1959 0.1420 0.0152 1960 -0.2300 -0.0128 1961 -0.0100 0.0136 1962 -0.0160 -0.0364 1963 0.1820 -0.0158 1964 -0.1080 -0.0592 1965 -0.1270 -0.0732 1966 -0.2270 -0.1692 1967 -0.0860 -0.1882 1968 -0.2980 -0.1896 1969 -0.2030 -0.1652 1970 -0.1340 -0.2098 1971 -0.1050 -0.1022 1972 -0.3090 -0.0226 1973 0.2400 -0.0342 1974 0.1950 -0.0618 1975 -0.1920 0.0750 1976 -0.2430 -0.0672 1977 0.3750 -0.2160 1978 -0.4710 -0.1264 1979 -0.5490 0.0564 1980 0.2560 -0.0808 1981 0.6710 0.0140 1982 -0.3110 0.1332 1983 0.0030 0.0102 1984 0.0470 0.0282 1985 -0.3590 0.2518 1986 0.7610 0.3278 1987 0.8070 0.3026 1988 0.3830 0.5580 1989 -0.0790 0.5478 1990 0.9180 0.4594 1991 0.7100 0.3118 1992 0.3650 0.4380 1993 -0.3550 0.3404 1994 0.5520 0.1870 1995 0.4300 0.1430 1996 -0.0570 0.4776 1997 0.1450 0.5808 1998 1.3180 0.6332 1999 1.0680 0.8286 2000 0.6920 0.9340 2001 0.9200 0.8072 2002 0.6720 0.7144 2003 0.6840 0.7586 2004 0.6040 0.8330 2005 0.9130 0.8718 2006 1.2920 0.7522 2007 0.8660 0.6552 2008 0.0860 0.5728 2009 0.1190 * 2010 0.5010 *