Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5530 * 1881 -0.0190 * 1882 -0.0950 -0.4530 1883 -0.9000 -0.4936 1884 -0.6980 -0.6018 1885 -0.7560 -0.6420 1886 -0.5600 -0.5834 1887 -0.2960 -0.4280 1888 -0.6070 -0.2784 1889 0.0790 -0.2404 1890 -0.0080 -0.3100 1891 -0.3700 -0.3378 1892 -0.6440 -0.3440 1893 -0.7460 -0.4878 1894 0.0480 -0.3828 1895 -0.7270 -0.2812 1896 0.1550 -0.1708 1897 -0.1360 -0.2654 1898 -0.1940 -0.0122 1899 -0.4250 -0.0364 1900 0.5390 -0.0226 1901 0.0340 -0.1080 1902 -0.0670 -0.0992 1903 -0.6210 -0.2952 1904 -0.3810 -0.3044 1905 -0.4410 -0.3298 1906 -0.0120 -0.1792 1907 -0.1940 -0.1478 1908 0.1320 0.0068 1909 -0.2240 0.0360 1910 0.3320 -0.0988 1911 0.1340 -0.1504 1912 -0.8680 -0.1018 1913 -0.1260 -0.2052 1914 0.0190 -0.3364 1915 -0.1850 -0.3614 1916 -0.5220 -0.3320 1917 -0.9930 -0.3668 1918 0.0210 -0.4154 1919 -0.1550 -0.0930 1920 -0.4280 0.1320 1921 1.0900 0.1086 1922 0.1320 0.0010 1923 -0.0960 0.1602 1924 -0.6930 -0.0524 1925 0.3680 -0.0456 1926 0.0270 -0.0176 1927 0.1660 0.0110 1928 0.0440 -0.0448 1929 -0.5500 0.1438 1930 0.0890 0.1004 1931 0.9700 0.2186 1932 -0.0510 0.5702 1933 0.6350 0.5580 1934 1.2080 0.3958 1935 0.0280 0.3774 1936 0.1590 0.4048 1937 -0.1430 0.3208 1938 0.7720 0.3194 1939 0.7880 0.3918 1940 0.0210 0.4284 1941 0.5210 0.3022 1942 0.0400 0.1548 1943 0.1410 0.1428 1944 0.0510 0.1654 1945 -0.0390 0.1676 1946 0.6340 0.1192 1947 0.0510 0.1406 1948 -0.1010 0.0994 1949 0.1580 -0.1086 1950 -0.2450 -0.0664 1951 -0.4060 0.1246 1952 0.2620 0.2534 1953 0.8540 0.2882 1954 0.8020 0.4202 1955 -0.0710 0.3922 1956 0.2540 0.2304 1957 0.1220 0.0968 1958 0.0450 0.0632 1959 0.1340 0.0112 1960 -0.2390 -0.0146 1961 -0.0060 0.0148 1962 -0.0070 -0.0326 1963 0.1920 -0.0090 1964 -0.1030 -0.0522 1965 -0.1210 -0.0672 1966 -0.2220 -0.1650 1967 -0.0820 -0.1842 1968 -0.2970 -0.1864 1969 -0.1990 -0.1616 1970 -0.1320 -0.2050 1971 -0.0980 -0.0964 1972 -0.2990 -0.0168 1973 0.2460 -0.0288 1974 0.1990 -0.0580 1975 -0.1920 0.0764 1976 -0.2440 -0.0666 1977 0.3730 -0.2162 1978 -0.4690 -0.1266 1979 -0.5490 0.0566 1980 0.2560 -0.0782 1981 0.6720 0.0200 1982 -0.3010 0.1412 1983 0.0220 0.0192 1984 0.0570 0.0380 1985 -0.3540 0.2586 1986 0.7660 0.3286 1987 0.8020 0.3002 1988 0.3720 0.5532 1989 -0.0850 0.5398 1990 0.9110 0.4496 1991 0.6990 0.3032 1992 0.3510 0.4290 1993 -0.3600 0.3342 1994 0.5440 0.1856 1995 0.4370 0.1462 1996 -0.0440 0.4824 1997 0.1540 0.5902 1998 1.3210 0.6456 1999 1.0830 0.8416 2000 0.7140 0.9484 2001 0.9360 0.8246 2002 0.6880 0.7334 2003 0.7020 0.7780 2004 0.6270 0.8530 2005 0.9370 0.9052 2006 1.3110 0.8000 2007 0.9490 0.7146 2008 0.1760 0.6462 2009 0.2000 0.5180 2010 0.5950 * 2011 0.6700 *