Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.5630 * 1881 -0.0330 * 1882 -0.1100 -0.4664 1883 -0.9150 -0.5070 1884 -0.7110 -0.6134 1885 -0.7660 -0.6510 1886 -0.5650 -0.5902 1887 -0.2980 -0.4340 1888 -0.6110 -0.2834 1889 0.0700 -0.2454 1890 -0.0130 -0.3200 1891 -0.3750 -0.3476 1892 -0.6710 -0.3510 1893 -0.7490 -0.4940 1894 0.0530 -0.3882 1895 -0.7280 -0.2802 1896 0.1540 -0.1664 1897 -0.1310 -0.2590 1898 -0.1800 -0.0018 1899 -0.4100 -0.0226 1900 0.5580 -0.0062 1901 0.0500 -0.0902 1902 -0.0490 -0.0796 1903 -0.6000 -0.2752 1904 -0.3570 -0.2846 1905 -0.4200 -0.3112 1906 0.0030 -0.1608 1907 -0.1820 -0.1308 1908 0.1520 0.0224 1909 -0.2070 0.0512 1910 0.3460 -0.0832 1911 0.1470 -0.1366 1912 -0.8540 -0.0882 1913 -0.1150 -0.1922 1914 0.0350 -0.3238 1915 -0.1740 -0.3498 1916 -0.5110 -0.3212 1917 -0.9840 -0.3572 1918 0.0280 -0.4066 1919 -0.1450 -0.0858 1920 -0.4210 0.1390 1921 1.0930 0.1152 1922 0.1400 0.0068 1923 -0.0910 0.1664 1924 -0.6870 -0.0442 1925 0.3770 -0.0366 1926 0.0400 -0.0070 1927 0.1780 0.0234 1928 0.0570 -0.0308 1929 -0.5350 0.1584 1930 0.1060 0.1156 1931 0.9860 0.2346 1932 -0.0360 0.5856 1933 0.6520 0.5716 1934 1.2200 0.4072 1935 0.0360 0.3868 1936 0.1640 0.4110 1937 -0.1380 0.3250 1938 0.7730 0.3224 1939 0.7900 0.3932 1940 0.0230 0.4278 1941 0.5180 0.3006 1942 0.0350 0.1520 1943 0.1370 0.1396 1944 0.0470 0.1634 1945 -0.0390 0.1668 1946 0.6370 0.1192 1947 0.0520 0.1420 1948 -0.1010 0.1020 1949 0.1610 -0.1054 1950 -0.2390 -0.0624 1951 -0.4000 0.1290 1952 0.2670 0.2576 1953 0.8560 0.2916 1954 0.8040 0.4232 1955 -0.0690 0.3948 1956 0.2580 0.2334 1957 0.1250 0.1004 1958 0.0490 0.0672 1959 0.1390 0.0158 1960 -0.2350 -0.0096 1961 0.0010 0.0190 1962 -0.0020 -0.0288 1963 0.1920 -0.0056 1964 -0.1000 -0.0496 1965 -0.1190 -0.0650 1966 -0.2190 -0.1626 1967 -0.0790 -0.1828 1968 -0.2960 -0.1858 1969 -0.2010 -0.1622 1970 -0.1340 -0.2066 1971 -0.1010 -0.0984 1972 -0.3010 -0.0186 1973 0.2450 -0.0318 1974 0.1980 -0.0624 1975 -0.2000 0.0708 1976 -0.2540 -0.0740 1977 0.3650 -0.2252 1978 -0.4790 -0.1356 1979 -0.5580 0.0480 1980 0.2480 -0.0872 1981 0.6640 0.0104 1982 -0.3110 0.1300 1983 0.0090 0.0074 1984 0.0400 0.0244 1985 -0.3650 0.2424 1986 0.7490 0.3112 1987 0.7790 0.2832 1988 0.3530 0.5364 1989 -0.1000 0.5240 1990 0.9010 0.4358 1991 0.6870 0.2906 1992 0.3380 0.4158 1993 -0.3730 0.3192 1994 0.5260 0.1686 1995 0.4180 0.1276 1996 -0.0660 0.4626 1997 0.1330 0.5700 1998 1.3020 0.6248 1999 1.0630 0.8214 2000 0.6920 0.9284 2001 0.9170 0.8046 2002 0.6680 0.7124 2003 0.6830 0.7560 2004 0.6020 0.8304 2005 0.9100 0.8824 2006 1.2890 0.7766 2007 0.9280 0.6926 2008 0.1540 0.6276 2009 0.1820 0.5006 2010 0.5850 0.8220 2011 0.6540 * 2012 2.5350 *