Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.3980 * 1881 0.1321 * 1882 0.0475 -0.3064 1883 -0.7627 -0.3456 1884 -0.5511 -0.4606 1885 -0.5940 -0.5052 1886 -0.4426 -0.4313 1887 -0.1758 -0.2679 1888 -0.3932 -0.1253 1889 0.2663 -0.0937 1890 0.1187 -0.1576 1891 -0.2847 -0.2077 1892 -0.4952 -0.2311 1893 -0.6434 -0.3881 1894 0.1491 -0.2883 1895 -0.6664 -0.2005 1896 0.2142 -0.0917 1897 -0.0560 -0.1910 1898 -0.0996 0.0641 1899 -0.3472 0.0401 1900 0.6092 0.0449 1901 0.0939 -0.0511 1902 -0.0316 -0.0539 1903 -0.5796 -0.2560 1904 -0.3615 -0.2720 1905 -0.4013 -0.2962 1906 0.0138 -0.1445 1907 -0.1523 -0.1115 1908 0.1790 0.0410 1909 -0.1967 0.0707 1910 0.3614 -0.0706 1911 0.1623 -0.1269 1912 -0.8592 -0.0751 1913 -0.1021 -0.1774 1914 0.0619 -0.3077 1915 -0.1500 -0.3292 1916 -0.4890 -0.2982 1917 -0.9668 -0.3355 1918 0.0528 -0.3858 1919 -0.1243 -0.0641 1920 -0.4015 0.1608 1921 1.1195 0.1357 1922 0.1576 0.0267 1923 -0.0726 0.1838 1924 -0.6697 -0.0298 1925 0.3842 -0.0228 1926 0.0516 0.0057 1927 0.1926 0.0345 1928 0.0698 -0.0171 1929 -0.5255 0.1722 1930 0.1259 0.1301 1931 0.9982 0.2501 1932 -0.0180 0.6004 1933 0.6697 0.5819 1934 1.2263 0.4159 1935 0.0333 0.3921 1936 0.1684 0.4140 1937 -0.1374 0.3267 1938 0.7794 0.3251 1939 0.7897 0.3957 1940 0.0254 0.4313 1941 0.5214 0.3043 1942 0.0408 0.1572 1943 0.1444 0.1459 1944 0.0540 0.1691 1945 -0.0312 0.1719 1946 0.6377 0.1229 1947 0.0548 0.1446 1948 -0.1008 0.1024 1949 0.1623 -0.1051 1950 -0.2419 -0.0626 1951 -0.3997 0.1294 1952 0.2672 0.2591 1953 0.8590 0.2955 1954 0.8111 0.4279 1955 -0.0603 0.4001 1956 0.2627 0.2384 1957 0.1281 0.1046 1958 0.0503 0.0720 1959 0.1422 0.0210 1960 -0.2232 -0.0042 1961 0.0074 0.0255 1962 0.0025 -0.0223 1963 0.1985 -0.0011 1964 -0.0969 -0.0479 1965 -0.1172 -0.0655 1966 -0.2263 -0.1655 1967 -0.0857 -0.1880 1968 -0.3014 -0.1938 1969 -0.2095 -0.1709 1970 -0.1462 -0.2159 1971 -0.1116 -0.1083 1972 -0.3110 -0.0291 1973 0.2370 -0.0403 1974 0.1864 -0.0674 1975 -0.2021 0.0689 1976 -0.2471 -0.0737 1977 0.3705 -0.2221 1978 -0.4764 -0.1324 1979 -0.5554 0.0492 1980 0.2462 -0.0882 1981 0.6611 0.0077 1982 -0.3163 0.1262 1983 0.0029 0.0030 1984 0.0370 0.0191 1985 -0.3696 0.2400 1986 0.7414 0.3112 1987 0.7884 0.2833 1988 0.3590 0.5352 1989 -0.1028 0.5234 1990 0.8898 0.4332 1991 0.6826 0.2857 1992 0.3374 0.4099 1993 -0.3783 0.3138 1994 0.5182 0.1650 1995 0.4093 0.1252 1996 -0.0615 0.4636 1997 0.1382 0.5756 1998 1.3139 0.6349 1999 1.0780 0.8349 2000 0.7057 0.9439 2001 0.9388 0.8220 2002 0.6830 0.7307 2003 0.7043 0.7714 2004 0.6218 0.8414 2005 0.9089 0.8920 2006 1.2889 0.7850 2007 0.9360 0.7010 2008 0.1692 0.6374 2009 0.2018 0.5163 2010 0.5911 0.7046 2011 0.6833 0.7145 2012 1.8778 0.7332 2013 0.2185 0.8805 2014 0.2954 1.0745 2015 1.3274 0.9810 2016 1.6535 * 2017 1.4101 *