Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4910 * 1881 0.0340 * 1882 -0.0370 -0.3992 1883 -0.8770 -0.4448 1884 -0.6250 -0.5714 1885 -0.7190 -0.6360 1886 -0.5990 -0.5872 1887 -0.3600 -0.4474 1888 -0.6330 -0.3112 1889 0.0740 -0.2706 1890 -0.0380 -0.3340 1891 -0.3960 -0.3524 1892 -0.6770 -0.3492 1893 -0.7250 -0.4794 1894 0.0900 -0.3652 1895 -0.6890 -0.2528 1896 0.1750 -0.1434 1897 -0.1150 -0.2418 1898 -0.1780 0.0092 1899 -0.4020 -0.0116 1900 0.5660 0.0018 1901 0.0710 -0.0798 1902 -0.0480 -0.0738 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 0.0046 1909 -0.2300 0.0324 1910 0.3300 -0.1088 1911 0.1170 -0.1646 1912 -0.8920 -0.1184 1913 -0.1480 -0.2248 1914 0.0010 -0.3584 1915 -0.2020 -0.3830 1916 -0.5510 -0.3526 1917 -1.0150 -0.3858 1918 0.0040 -0.4350 1919 -0.1650 -0.1086 1920 -0.4480 0.1160 1921 1.0810 0.0920 1922 0.1080 -0.0184 1923 -0.1160 0.1394 1924 -0.7170 -0.0748 1925 0.3410 -0.0670 1926 0.0100 -0.0382 1927 0.1470 -0.0082 1928 0.0280 -0.0608 1929 -0.5670 0.1304 1930 0.0780 0.0894 1931 0.9660 0.2090 1932 -0.0580 0.5614 1933 0.6260 0.5470 1934 1.1950 0.3808 1935 0.0060 0.3596 1936 0.1350 0.3846 1937 -0.1640 0.3004 1938 0.7510 0.3000 1939 0.7740 0.3718 1940 0.0040 0.4062 1941 0.4940 0.2792 1942 0.0080 0.1298 1943 0.1160 0.1172 1944 0.0270 0.1434 1945 -0.0590 0.1506 1946 0.6250 0.1070 1947 0.0440 0.1332 1948 -0.1020 0.0974 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 -0.0126 1961 -0.0100 0.0138 1962 -0.0150 -0.0362 1963 0.1820 -0.0156 1964 -0.1080 -0.0590 1965 -0.1270 -0.0732 1966 -0.2270 -0.1690 1967 -0.0860 -0.1878 1968 -0.2970 -0.1892 1969 -0.2020 -0.1650 1970 -0.1340 -0.2098 1971 -0.1060 -0.1024 1972 -0.3100 -0.0230 1973 0.2400 -0.0346 1974 0.1950 -0.0622 1975 -0.1920 0.0748 1976 -0.2440 -0.0674 1977 0.3750 -0.2162 1978 -0.4710 -0.1268 1979 -0.5490 0.0560 1980 0.2550 -0.0812 1981 0.6700 0.0136 1982 -0.3110 0.1328 1983 0.0030 0.0100 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 0.4598 1991 0.7110 0.3124 1992 0.3650 0.4384 1993 -0.3540 0.3406 1994 0.5510 0.1870 1995 0.4300 0.1430 1996 -0.0570 0.4774 1997 0.1450 0.5806 1998 1.3180 0.6328 1999 1.0670 0.8282 2000 0.6910 0.9336 2001 0.9200 0.8066 2002 0.6720 0.7138 2003 0.6830 0.7580 2004 0.6030 0.8320 2005 0.9120 0.8700 2006 1.2900 0.7532 2007 0.8620 0.6602 2008 0.0990 0.5806 2009 0.1380 * 2010 0.5140 *