Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4575 * 1881 0.0744 * 1882 -0.0091 -0.3641 1883 -0.8213 -0.4018 1884 -0.6072 -0.5149 1885 -0.6460 -0.5621 1886 -0.4909 -0.4944 1887 -0.2450 -0.3365 1888 -0.4829 -0.2001 1889 0.1822 -0.1739 1890 0.0359 -0.2325 1891 -0.3596 -0.2696 1892 -0.5382 -0.2806 1893 -0.6683 -0.4263 1894 0.1270 -0.3161 1895 -0.6924 -0.2264 1896 0.1913 -0.1189 1897 -0.0896 -0.2190 1898 -0.1308 0.0363 1899 -0.3734 0.0126 1900 0.5840 0.0210 1901 0.0730 -0.0707 1902 -0.0478 -0.0703 1903 -0.5894 -0.2688 1904 -0.3714 -0.2819 1905 -0.4084 -0.3015 1906 0.0077 -0.1475 1907 -0.1459 -0.1111 1908 0.1807 0.0444 1909 -0.1895 0.0761 1910 0.3691 -0.0669 1911 0.1659 -0.1236 1912 -0.8609 -0.0741 1913 -0.1028 -0.1775 1914 0.0581 -0.3086 1915 -0.1480 -0.3300 1916 -0.4896 -0.3008 1917 -0.9678 -0.3390 1918 0.0434 -0.3915 1919 -0.1330 -0.0714 1920 -0.4105 0.1511 1921 1.1108 0.1267 1922 0.1450 0.0184 1923 -0.0786 0.1761 1924 -0.6748 -0.0370 1925 0.3783 -0.0296 1926 0.0452 -0.0019 1927 0.1821 0.0252 1928 0.0597 -0.0293 1929 -0.5395 0.1592 1930 0.1061 0.1175 1931 0.9878 0.2369 1932 -0.0268 0.5874 1933 0.6567 0.5710 1934 1.2132 0.4045 1935 0.0241 0.3808 1936 0.1552 0.4026 1937 -0.1453 0.3167 1938 0.7658 0.3155 1939 0.7836 0.3872 1940 0.0180 0.4237 1941 0.5140 0.2983 1942 0.0371 0.1516 1943 0.1387 0.1405 1944 0.0500 0.1640 1945 -0.0374 0.1657 1946 0.6314 0.1165 1947 0.0456 0.1367 1948 -0.1073 0.0941 1949 0.1513 -0.1140 1950 -0.2507 -0.0706 1951 -0.4087 0.1216 1952 0.2626 0.2522 1953 0.8537 0.2893 1954 0.8043 0.4230 1955 -0.0655 0.3965 1956 0.2598 0.2358 1957 0.1303 0.1031 1958 0.0501 0.0699 1959 0.1406 0.0187 1960 -0.2313 -0.0075 1961 0.0036 0.0219 1962 -0.0007 -0.0256 1963 0.1974 -0.0034 1964 -0.0969 -0.0491 1965 -0.1206 -0.0656 1966 -0.2246 -0.1651 1967 -0.0831 -0.1868 1968 -0.3001 -0.1906 1969 -0.2057 -0.1670 1970 -0.1393 -0.2115 1971 -0.1070 -0.1033 1972 -0.3056 -0.0236 1973 0.2412 -0.0355 1974 0.1927 -0.0632 1975 -0.1988 0.0719 1976 -0.2457 -0.0715 1977 0.3699 -0.2202 1978 -0.4755 -0.1298 1979 -0.5511 0.0538 1980 0.2532 -0.0812 1981 0.6723 0.0176 1982 -0.3048 0.1381 1983 0.0185 0.0167 1984 0.0513 0.0351 1985 -0.3537 0.2583 1986 0.7642 0.3304 1987 0.8114 0.3031 1988 0.3788 0.5551 1989 -0.0851 0.5418 1990 0.9060 0.4498 1991 0.6977 0.3015 1992 0.3514 0.4258 1993 -0.3625 0.3303 1994 0.5363 0.1812 1995 0.4284 0.1429 1996 -0.0474 0.4816 1997 0.1598 0.5939 1998 1.3308 0.6535 1999 1.0979 0.8549 2000 0.7263 0.9642 2001 0.9596 0.8432 2002 0.7065 0.7522 2003 0.7257 0.7939 2004 0.6428 0.8660 2005 0.9350 0.9183 2006 1.3202 0.8116 2007 0.9676 0.7299 2008 0.1925 0.6666 2009 0.2342 0.5443 2010 0.6184 0.7311 2011 0.7088 0.7408 2012 1.9016 0.7579 2013 0.2412 0.9055 2014 0.3197 * 2015 1.3562 *