Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4620 * 1881 0.0620 * 1882 -0.0090 -0.3710 1883 -0.8490 -0.4170 1884 -0.5970 -0.5440 1885 -0.6920 -0.6090 1886 -0.5730 -0.5606 1887 -0.3340 -0.4216 1888 -0.6070 -0.2860 1889 0.0980 -0.2476 1890 -0.0140 -0.3134 1891 -0.3810 -0.3350 1892 -0.6630 -0.3346 1893 -0.7150 -0.4694 1894 0.1000 -0.3580 1895 -0.6880 -0.2484 1896 0.1760 -0.1410 1897 -0.1150 -0.2416 1898 -0.1780 0.0090 1899 -0.4030 -0.0120 1900 0.5650 0.0014 1901 0.0710 -0.0802 1902 -0.0480 -0.0740 1903 -0.5860 -0.2744 1904 -0.3720 -0.2930 1905 -0.4370 -0.3206 1906 -0.0220 -0.1772 1907 -0.1860 -0.1488 1908 0.1310 0.0044 1909 -0.2300 0.0322 1910 0.3290 -0.1090 1911 0.1170 -0.1646 1912 -0.8920 -0.1184 1913 -0.1470 -0.2246 1914 0.0010 -0.3582 1915 -0.2020 -0.3828 1916 -0.5510 -0.3528 1917 -1.0150 -0.3862 1918 0.0030 -0.4354 1919 -0.1660 -0.1090 1920 -0.4480 0.1156 1921 1.0810 0.0920 1922 0.1080 -0.0182 1923 -0.1150 0.1394 1924 -0.7170 -0.0748 1925 0.3400 -0.0670 1926 0.0100 -0.0382 1927 0.1470 -0.0082 1928 0.0290 -0.0606 1929 -0.5670 0.1306 1930 0.0780 0.0894 1931 0.9660 0.2088 1932 -0.0590 0.5612 1933 0.6260 0.5468 1934 1.1950 0.3804 1935 0.0060 0.3594 1936 0.1340 0.3844 1937 -0.1640 0.3000 1938 0.7510 0.2996 1939 0.7730 0.3716 1940 0.0040 0.4060 1941 0.4940 0.2790 1942 0.0080 0.1298 1943 0.1160 0.1172 1944 0.0270 0.1436 1945 -0.0590 0.1508 1946 0.6260 0.1072 1947 0.0440 0.1334 1948 -0.1020 0.0976 1949 0.1580 -0.1066 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 -0.1690 1967 -0.0860 -0.1878 1968 -0.2970 -0.1892 1969 -0.2020 -0.1648 1970 -0.1340 -0.2096 1971 -0.1050 -0.1022 1972 -0.3100 -0.0228 1973 0.2400 -0.0344 1974 0.1950 -0.0622 1975 -0.1920 0.0748 1976 -0.2440 -0.0674 1977 0.3750 -0.2162 1978 -0.4710 -0.1266 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 0.0284 1985 -0.3590 0.2520 1986 0.7620 0.3280 1987 0.8070 0.3028 1988 0.3830 0.5584 1989 -0.0790 0.5482 1990 0.9190 0.4600 1991 0.7110 0.3126 1992 0.3660 0.4388 1993 -0.3540 0.3412 1994 0.5520 0.1876 1995 0.4310 0.1436 1996 -0.0570 0.4780 1997 0.1460 0.5810 1998 1.3180 0.6332 1999 1.0670 0.8286 2000 0.6920 0.9340 2001 0.9200 0.8070 2002 0.6730 0.7144 2003 0.6830 0.7584 2004 0.6040 0.8324 2005 0.9120 0.8704 2006 1.2900 0.7536 2007 0.8630 0.6604 2008 0.0990 0.5808 2009 0.1380 * 2010 0.5140 *