Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.4199 * 1881 0.1189 * 1882 0.0417 -0.3187 1883 -0.7723 -0.3557 1884 -0.5619 -0.4669 1885 -0.6050 -0.5093 1886 -0.4370 -0.4371 1887 -0.1701 -0.2728 1888 -0.4113 -0.1290 1889 0.2596 -0.0964 1890 0.1136 -0.1572 1891 -0.2740 -0.1996 1892 -0.4737 -0.2222 1893 -0.6233 -0.3793 1894 0.1465 -0.2830 1895 -0.6719 -0.2026 1896 0.2075 -0.1012 1897 -0.0718 -0.2017 1898 -0.1161 0.0522 1899 -0.3561 0.0264 1900 0.5976 0.0335 1901 0.0782 -0.0574 1902 -0.0361 -0.0563 1903 -0.5704 -0.2546 1904 -0.3506 -0.2671 1905 -0.3942 -0.2898 1906 0.0160 -0.1400 1907 -0.1497 -0.1082 1908 0.1785 0.0436 1909 -0.1915 0.0725 1910 0.3647 -0.0696 1911 0.1604 -0.1260 1912 -0.8602 -0.0756 1913 -0.1033 -0.1782 1914 0.0603 -0.3075 1915 -0.1483 -0.3275 1916 -0.4860 -0.2964 1917 -0.9601 -0.3340 1918 0.0520 -0.3854 1919 -0.1277 -0.0648 1920 -0.4050 0.1581 1921 1.1166 0.1334 1922 0.1548 0.0256 1923 -0.0715 0.1843 1924 -0.6667 -0.0279 1925 0.3883 -0.0193 1926 0.0558 0.0093 1927 0.1974 0.0371 1928 0.0719 -0.0164 1929 -0.5278 0.1714 1930 0.1206 0.1283 1931 0.9948 0.2469 1932 -0.0179 0.5966 1933 0.6646 0.5782 1934 1.2211 0.4116 1935 0.0286 0.3869 1936 0.1616 0.4091 1937 -0.1414 0.3229 1938 0.7756 0.3214 1939 0.7903 0.3923 1940 0.0211 0.4271 1941 0.5157 0.2993 1942 0.0326 0.1512 1943 0.1366 0.1396 1944 0.0498 0.1629 1945 -0.0369 0.1652 1946 0.6326 0.1161 1947 0.0439 0.1368 1948 -0.1090 0.0945 1949 0.1532 -0.1132 1950 -0.2483 -0.0701 1951 -0.4059 0.1221 1952 0.2596 0.2522 1953 0.8517 0.2885 1954 0.8041 0.4213 1955 -0.0671 0.3942 1956 0.2581 0.2328 1957 0.1244 0.0992 1958 0.0447 0.0663 1959 0.1359 0.0150 1960 -0.2314 -0.0102 1961 0.0016 0.0201 1962 -0.0017 -0.0260 1963 0.1963 -0.0034 1964 -0.0950 -0.0486 1965 -0.1182 -0.0655 1966 -0.2245 -0.1652 1967 -0.0861 -0.1874 1968 -0.3020 -0.1915 1969 -0.2060 -0.1674 1970 -0.1390 -0.2111 1971 -0.1039 -0.1020 1972 -0.3046 -0.0220 1973 0.2434 -0.0337 1974 0.1943 -0.0615 1975 -0.1979 0.0742 1976 -0.2429 -0.0689 1977 0.3742 -0.2172 1978 -0.4724 -0.1263 1979 -0.5468 0.0573 1980 0.2565 -0.0783 1981 0.6748 0.0200 1982 -0.3035 0.1399 1983 0.0192 0.0170 1984 0.0524 0.0342 1985 -0.3577 0.2572 1986 0.7608 0.3291 1987 0.8112 0.3022 1988 0.3790 0.5558 1989 -0.0823 0.5435 1990 0.9103 0.4521 1991 0.6991 0.3046 1992 0.3542 0.4293 1993 -0.3583 0.3334 1994 0.5412 0.1851 1995 0.4310 0.1464 1996 -0.0424 0.4849 1997 0.1604 0.5956 1998 1.3342 0.6543 1999 1.0950 0.8550 2000 0.7245 0.9647 2001 0.9610 0.8436 2002 0.7088 0.7534 2003 0.7286 0.7956 2004 0.6441 0.8672 2005 0.9354 0.9175 2006 1.3189 0.8104 2007 0.9604 0.7270 2008 0.1931 0.6620 2009 0.2270 0.5383 2010 0.6108 0.7254 2011 0.7002 0.7341 2012 1.8957 0.7506 2013 0.2368 0.8989 2014 0.3096 1.0944 2015 1.3520 1.0039 2016 1.6780 * 2017 1.4429 *