Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4810 * 1881 0.0460 * 1882 -0.0270 -0.3884 1883 -0.8660 -0.4338 1884 -0.6140 -0.5598 1885 -0.7080 -0.6234 1886 -0.5840 -0.5748 1887 -0.3450 -0.4354 1888 -0.6230 -0.2996 1889 0.0830 -0.2606 1890 -0.0290 -0.3260 1891 -0.3890 -0.3452 1892 -0.6720 -0.3424 1893 -0.7190 -0.4746 1894 0.0970 -0.3620 1895 -0.6900 -0.2510 1896 0.1740 -0.1434 1897 -0.1170 -0.2432 1898 -0.1810 0.0078 1899 -0.4020 -0.0128 1900 0.5650 0.0008 1901 0.0710 -0.0806 1902 -0.0490 -0.0750 1903 -0.5880 -0.2756 1904 -0.3740 -0.2946 1905 -0.4380 -0.3226 1906 -0.0240 -0.1792 1907 -0.1890 -0.1510 1908 0.1290 0.0018 1909 -0.2330 0.0296 1910 0.3260 -0.1114 1911 0.1150 -0.1672 1912 -0.8940 -0.1208 1913 -0.1500 -0.2266 1914 -0.0010 -0.3602 1915 -0.2030 -0.3846 1916 -0.5530 -0.3542 1917 -1.0160 -0.3872 1918 0.0020 -0.4366 1919 -0.1660 -0.1102 1920 -0.4500 0.1144 1921 1.0790 0.0906 1922 0.1070 -0.0196 1923 -0.1170 0.1386 1924 -0.7170 -0.0752 1925 0.3410 -0.0672 1926 0.0100 -0.0382 1927 0.1470 -0.0084 1928 0.0280 -0.0610 1929 -0.5680 0.1300 1930 0.0780 0.0890 1931 0.9650 0.2086 1932 -0.0580 0.5612 1933 0.6260 0.5466 1934 1.1950 0.3802 1935 0.0050 0.3590 1936 0.1330 0.3840 1937 -0.1640 0.2996 1938 0.7510 0.2992 1939 0.7730 0.3712 1940 0.0030 0.4054 1941 0.4930 0.2782 1942 0.0070 0.1288 1943 0.1150 0.1160 1944 0.0260 0.1420 1945 -0.0610 0.1490 1946 0.6230 0.1058 1947 0.0420 0.1326 1948 -0.1010 0.0974 1949 0.1600 -0.1060 1950 -0.2370 -0.0600 1951 -0.3940 0.1322 1952 0.2720 0.2626 1953 0.8600 0.2982 1954 0.8120 0.4290 1955 -0.0590 0.3996 1956 0.2600 0.2378 1957 0.1250 0.1038 1958 0.0510 0.0696 1959 0.1420 0.0156 1960 -0.2300 -0.0124 1961 -0.0100 0.0138 1962 -0.0150 -0.0364 1963 0.1820 -0.0160 1964 -0.1090 -0.0594 1965 -0.1280 -0.0738 1966 -0.2270 -0.1700 1967 -0.0870 -0.1888 1968 -0.2990 -0.1902 1969 -0.2030 -0.1660 1970 -0.1350 -0.2104 1971 -0.1060 -0.1026 1972 -0.3090 -0.0230 1973 0.2400 -0.0344 1974 0.1950 -0.0620 1975 -0.1920 0.0748 1976 -0.2440 -0.0674 1977 0.3750 -0.2164 1978 -0.4710 -0.1270 1979 -0.5500 0.0556 1980 0.2550 -0.0818 1981 0.6690 0.0128 1982 -0.3120 0.1318 1983 0.0020 0.0086 1984 0.0450 0.0268 1985 -0.3610 0.2504 1986 0.7600 0.3264 1987 0.8060 0.3014 1988 0.3820 0.5568 1989 -0.0800 0.5464 1990 0.9160 0.4578 1991 0.7080 0.3102 1992 0.3630 0.4364 1993 -0.3560 0.3388 1994 0.5510 0.1854 1995 0.4280 0.1416 1996 -0.0590 0.4762 1997 0.1440 0.5794 1998 1.3170 0.6320 1999 1.0670 0.8274 2000 0.6910 0.9328 2001 0.9180 0.8060 2002 0.6710 0.7134 2003 0.6830 0.7576 2004 0.6040 0.8324 2005 0.9120 0.8712 2006 1.2920 0.7516 2007 0.8650 0.6542 2008 0.0850 0.5720 2009 0.1170 0.3842 2010 0.5010 * 2011 0.3530 *