Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4041 * 1881 0.1279 * 1882 0.0477 -0.3074 1883 -0.7624 -0.3435 1884 -0.5459 -0.4516 1885 -0.5849 -0.4980 1886 -0.4127 -0.4262 1887 -0.1839 -0.2637 1888 -0.4035 -0.1191 1889 0.2665 -0.0926 1890 0.1379 -0.1477 1891 -0.2798 -0.1827 1892 -0.4597 -0.1986 1893 -0.5786 -0.3529 1894 0.1873 -0.2507 1895 -0.6336 -0.1618 1896 0.2311 -0.0619 1897 -0.0154 -0.1640 1898 -0.0789 0.0925 1899 -0.3231 0.0718 1900 0.6486 0.0740 1901 0.1276 -0.0173 1902 -0.0042 -0.0172 1903 -0.5355 -0.2220 1904 -0.3224 -0.2406 1905 -0.3757 -0.2646 1906 0.0349 -0.1170 1907 -0.1245 -0.0854 1908 0.2026 0.0690 1909 -0.1642 0.0991 1910 0.3961 -0.0433 1911 0.1857 -0.1004 1912 -0.8369 -0.0508 1913 -0.0825 -0.1541 1914 0.0838 -0.2837 1915 -0.1205 -0.3035 1916 -0.4625 -0.2717 1917 -0.9360 -0.3084 1918 0.0767 -0.3598 1919 -0.0996 -0.0400 1920 -0.3778 0.1818 1921 1.1368 0.1561 1922 0.1729 0.0463 1923 -0.0517 0.2037 1924 -0.6486 -0.0084 1925 0.4090 -0.0004 1926 0.0763 0.0272 1927 0.2130 0.0544 1928 0.0861 -0.0013 1929 -0.5124 0.1849 1930 0.1305 0.1411 1931 1.0072 0.2595 1932 -0.0057 0.6089 1933 0.6779 0.5912 1934 1.2344 0.4246 1935 0.0420 0.3996 1936 0.1743 0.4195 1937 -0.1305 0.3323 1938 0.7772 0.3307 1939 0.7983 0.4017 1940 0.0342 0.4377 1941 0.5295 0.3123 1942 0.0494 0.1644 1943 0.1499 0.1511 1944 0.0588 0.1732 1945 -0.0319 0.1740 1946 0.6398 0.1244 1947 0.0532 0.1457 1948 -0.0981 0.1051 1949 0.1655 -0.1015 1950 -0.2347 -0.0578 1951 -0.3934 0.1344 1952 0.2715 0.2638 1953 0.8632 0.2991 1954 0.8125 0.4311 1955 -0.0581 0.4035 1956 0.2666 0.2414 1957 0.1333 0.1071 1958 0.0527 0.0733 1959 0.1411 0.0211 1960 -0.2273 -0.0056 1961 0.0057 0.0234 1962 -0.0003 -0.0243 1963 0.1978 -0.0032 1964 -0.0973 -0.0501 1965 -0.1220 -0.0679 1966 -0.2289 -0.1686 1967 -0.0892 -0.1922 1968 -0.3058 -0.1976 1969 -0.2149 -0.1752 1970 -0.1490 -0.2198 1971 -0.1171 -0.1113 1972 -0.3123 -0.0308 1973 0.2370 -0.0410 1974 0.1876 -0.0662 1975 -0.2002 0.0707 1976 -0.2430 -0.0721 1977 0.3721 -0.2204 1978 -0.4768 -0.1308 1979 -0.5539 0.0510 1980 0.2474 -0.0862 1981 0.6661 0.0116 1982 -0.3139 0.1314 1983 0.0122 0.0093 1984 0.0451 0.0268 1985 -0.3632 0.2500 1986 0.7540 0.3219 1987 0.8019 0.2944 1988 0.3715 0.5474 1989 -0.0922 0.5358 1990 0.9016 0.4452 1991 0.6960 0.2974 1992 0.3489 0.4231 1993 -0.3672 0.3283 1994 0.5362 0.1799 1995 0.4277 0.1417 1996 -0.0461 0.4819 1997 0.1578 0.5933 1998 1.3340 0.6531 1999 1.0933 0.8551 2000 0.7265 0.9649 2001 0.9641 0.8432 2002 0.7067 0.7528 2003 0.7253 0.7951 2004 0.6416 0.8663 2005 0.9376 0.9169 2006 1.3204 0.8096 2007 0.9595 0.7276 2008 0.1891 0.6629 2009 0.2313 0.5376 2010 0.6144 0.7214 2011 0.6935 0.7274 2012 1.8789 0.7409 2013 0.2190 0.8876 2014 0.2986 * 2015 1.3482 *