Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.3735 * 1881 0.1565 * 1882 0.0746 -0.2793 1883 -0.7335 -0.3162 1884 -0.5204 -0.4317 1885 -0.5580 -0.4791 1886 -0.4211 -0.4129 1887 -0.1625 -0.2567 1888 -0.4023 -0.1244 1889 0.2606 -0.0992 1890 0.1033 -0.1694 1891 -0.2949 -0.2221 1892 -0.5137 -0.2514 1893 -0.6656 -0.4129 1894 0.1141 -0.3187 1895 -0.7043 -0.2359 1896 0.1758 -0.1316 1897 -0.0997 -0.2317 1898 -0.1439 0.0225 1899 -0.3862 -0.0013 1900 0.5666 0.0074 1901 0.0567 -0.0833 1902 -0.0563 -0.0814 1903 -0.5972 -0.2789 1904 -0.3770 -0.2920 1905 -0.4207 -0.3153 1906 -0.0090 -0.1636 1907 -0.1725 -0.1296 1908 0.1614 0.0251 1909 -0.2070 0.0569 1910 0.3524 -0.0826 1911 0.1501 -0.1370 1912 -0.8700 -0.0847 1913 -0.1104 -0.1857 1914 0.0545 -0.3136 1915 -0.1528 -0.3324 1916 -0.4892 -0.3003 1917 -0.9640 -0.3369 1918 0.0499 -0.3878 1919 -0.1284 -0.0670 1920 -0.4074 0.1563 1921 1.1151 0.1306 1922 0.1522 0.0216 1923 -0.0786 0.1793 1924 -0.6731 -0.0336 1925 0.3810 -0.0254 1926 0.0503 0.0051 1927 0.1935 0.0347 1928 0.0737 -0.0166 1929 -0.5252 0.1728 1930 0.1246 0.1311 1931 0.9975 0.2503 1932 -0.0149 0.6008 1933 0.6695 0.5824 1934 1.2274 0.4160 1935 0.0324 0.3918 1936 0.1658 0.4141 1937 -0.1363 0.3271 1938 0.7813 0.3255 1939 0.7924 0.3955 1940 0.0245 0.4293 1941 0.5157 0.3002 1942 0.0326 0.1506 1943 0.1359 0.1380 1944 0.0444 0.1608 1945 -0.0386 0.1629 1946 0.6299 0.1136 1947 0.0430 0.1348 1948 -0.1108 0.0929 1949 0.1505 -0.1147 1950 -0.2483 -0.0712 1951 -0.4077 0.1212 1952 0.2605 0.2515 1953 0.8508 0.2875 1954 0.8021 0.4200 1955 -0.0681 0.3929 1956 0.2549 0.2322 1957 0.1246 0.0992 1958 0.0475 0.0668 1959 0.1371 0.0165 1960 -0.2300 -0.0085 1961 0.0035 0.0210 1962 -0.0007 -0.0258 1963 0.1950 -0.0038 1964 -0.0967 -0.0501 1965 -0.1200 -0.0670 1966 -0.2281 -0.1659 1967 -0.0853 -0.1877 1968 -0.2993 -0.1919 1969 -0.2057 -0.1678 1970 -0.1409 -0.2123 1971 -0.1076 -0.1044 1972 -0.3082 -0.0249 1973 0.2405 -0.0357 1974 0.1917 -0.0620 1975 -0.1950 0.0755 1976 -0.2392 -0.0664 1977 0.3796 -0.2140 1978 -0.4692 -0.1231 1979 -0.5461 0.0597 1980 0.2592 -0.0762 1981 0.6752 0.0223 1982 -0.3001 0.1428 1983 0.0234 0.0202 1984 0.0561 0.0380 1985 -0.3535 0.2606 1986 0.7640 0.3328 1987 0.8132 0.3058 1988 0.3842 0.5595 1989 -0.0791 0.5487 1990 0.9154 0.4587 1991 0.7096 0.3118 1992 0.3632 0.4368 1993 -0.3503 0.3410 1994 0.5463 0.1920 1995 0.4361 0.1526 1996 -0.0354 0.4904 1997 0.1662 0.6025 1998 1.3390 0.6624 1999 1.1065 0.8632 2000 0.7355 0.9728 2001 0.9688 0.8525 2002 0.7144 0.7611 2003 0.7373 0.8021 2004 0.6497 0.8734 2005 0.9404 0.9236 2006 1.3251 0.8159 2007 0.9656 0.7336 2008 0.1986 0.6699 2009 0.2382 0.5467 2010 0.6222 0.7340 2011 0.7091 0.7436 2012 1.9021 0.7606 2013 0.2466 0.9090 2014 0.3230 1.1052 2015 1.3644 1.0142 2016 1.6901 * 2017 1.4470 *