Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4375 * 1881 0.0952 * 1882 0.0143 -0.3420 1883 -0.7957 -0.3803 1884 -0.5861 -0.4907 1885 -0.6291 -0.5321 1886 -0.4571 -0.4616 1887 -0.1925 -0.2994 1888 -0.4431 -0.1583 1889 0.2249 -0.1298 1890 0.0763 -0.1957 1891 -0.3148 -0.2387 1892 -0.5216 -0.2582 1893 -0.6582 -0.4113 1894 0.1271 -0.3109 1895 -0.6891 -0.2250 1896 0.1874 -0.1198 1897 -0.0924 -0.2190 1898 -0.1321 0.0360 1899 -0.3686 0.0114 1900 0.5857 0.0193 1901 0.0644 -0.0720 1902 -0.0527 -0.0723 1903 -0.5886 -0.2722 1904 -0.3704 -0.2842 1905 -0.4137 -0.3055 1906 0.0042 -0.1538 1907 -0.1591 -0.1201 1908 0.1702 0.0343 1909 -0.2022 0.0644 1910 0.3586 -0.0769 1911 0.1547 -0.1321 1912 -0.8656 -0.0800 1913 -0.1058 -0.1818 1914 0.0582 -0.3100 1915 -0.1505 -0.3289 1916 -0.4863 -0.2973 1917 -0.9602 -0.3339 1918 0.0523 -0.3841 1919 -0.1249 -0.0628 1920 -0.4013 0.1606 1921 1.1200 0.1358 1922 0.1570 0.0269 1923 -0.0717 0.1841 1924 -0.6697 -0.0293 1925 0.3851 -0.0223 1926 0.0529 0.0062 1927 0.1919 0.0349 1928 0.0710 -0.0173 1929 -0.5263 0.1725 1930 0.1242 0.1314 1931 1.0015 0.2512 1932 -0.0136 0.6021 1933 0.6700 0.5843 1934 1.2286 0.4176 1935 0.0349 0.3939 1936 0.1682 0.4165 1937 -0.1324 0.3303 1938 0.7832 0.3292 1939 0.7977 0.4002 1940 0.0294 0.4346 1941 0.5232 0.3059 1942 0.0395 0.1566 1943 0.1397 0.1442 1944 0.0510 0.1670 1945 -0.0325 0.1691 1946 0.6371 0.1208 1947 0.0504 0.1420 1948 -0.1019 0.0999 1949 0.1570 -0.1073 1950 -0.2431 -0.0638 1951 -0.3987 0.1279 1952 0.2677 0.2579 1953 0.8565 0.2936 1954 0.8072 0.4255 1955 -0.0647 0.3978 1956 0.2610 0.2362 1957 0.1290 0.1020 1958 0.0486 0.0684 1959 0.1360 0.0161 1960 -0.2327 -0.0102 1961 -0.0002 0.0192 1962 -0.0029 -0.0269 1963 0.1959 -0.0041 1964 -0.0946 -0.0493 1965 -0.1187 -0.0659 1966 -0.2264 -0.1656 1967 -0.0859 -0.1879 1968 -0.3022 -0.1921 1969 -0.2061 -0.1681 1970 -0.1399 -0.2125 1971 -0.1062 -0.1039 1972 -0.3082 -0.0243 1973 0.2407 -0.0359 1974 0.1922 -0.0640 1975 -0.1982 0.0720 1976 -0.2466 -0.0712 1977 0.3721 -0.2200 1978 -0.4753 -0.1300 1979 -0.5522 0.0536 1980 0.2519 -0.0825 1981 0.6716 0.0155 1982 -0.3086 0.1360 1983 0.0147 0.0134 1984 0.0505 0.0305 1985 -0.3613 0.2538 1986 0.7572 0.3257 1987 0.8079 0.2980 1988 0.3743 0.5513 1989 -0.0879 0.5390 1990 0.9048 0.4476 1991 0.6958 0.2997 1992 0.3509 0.4229 1993 -0.3649 0.3255 1994 0.5280 0.1756 1995 0.4177 0.1348 1996 -0.0539 0.4720 1997 0.1469 0.5832 1998 1.3214 0.6426 1999 1.0841 0.8441 2000 0.7143 0.9551 2001 0.9537 0.8343 2002 0.7022 0.7440 2003 0.7171 0.7846 2004 0.6326 0.8546 2005 0.9174 0.9033 2006 1.3037 0.7948 2007 0.9457 0.7114 2008 0.1748 0.6484 2009 0.2156 0.5266 2010 0.6021 0.7149 2011 0.6950 0.7255 2012 1.8868 0.7429 2013 0.2281 0.8904 2014 0.3025 1.0846 2015 1.3397 0.9924 2016 1.6658 * 2017 1.4261 *