Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -0.3980 * 1881 0.1365 * 1882 0.0543 -0.2997 1883 -0.7511 -0.3377 1884 -0.5403 -0.4484 1885 -0.5878 -0.4887 1886 -0.4172 -0.4138 1887 -0.1469 -0.2508 1888 -0.3768 -0.1065 1889 0.2747 -0.0766 1890 0.1338 -0.1444 1891 -0.2676 -0.1944 1892 -0.4861 -0.2185 1893 -0.6268 -0.3781 1894 0.1540 -0.2800 1895 -0.6642 -0.1948 1896 0.2233 -0.0894 1897 -0.0603 -0.1902 1898 -0.0997 0.0630 1899 -0.3501 0.0368 1900 0.6020 0.0441 1901 0.0923 -0.0510 1902 -0.0238 -0.0518 1903 -0.5754 -0.2510 1904 -0.3539 -0.2653 1905 -0.3942 -0.2896 1906 0.0207 -0.1379 1907 -0.1450 -0.1053 1908 0.1830 0.0477 1909 -0.1911 0.0784 1910 0.3711 -0.0618 1911 0.1742 -0.1169 1912 -0.8464 -0.0651 1913 -0.0924 -0.1672 1914 0.0680 -0.2976 1915 -0.1395 -0.3191 1916 -0.4778 -0.2879 1917 -0.9536 -0.3242 1918 0.0634 -0.3747 1919 -0.1135 -0.0532 1920 -0.3920 0.1701 1921 1.1298 0.1446 1922 0.1629 0.0351 1923 -0.0643 0.1919 1924 -0.6611 -0.0224 1925 0.3924 -0.0149 1926 0.0579 0.0139 1927 0.2007 0.0423 1928 0.0794 -0.0098 1929 -0.5187 0.1793 1930 0.1316 0.1368 1931 1.0033 0.2563 1932 -0.0115 0.6066 1933 0.6770 0.5880 1934 1.2324 0.4222 1935 0.0389 0.3988 1936 0.1740 0.4205 1937 -0.1281 0.3331 1938 0.7851 0.3313 1939 0.7955 0.4012 1940 0.0301 0.4352 1941 0.5233 0.3073 1942 0.0420 0.1592 1943 0.1456 0.1471 1944 0.0550 0.1697 1945 -0.0303 0.1721 1946 0.6364 0.1237 1947 0.0538 0.1452 1948 -0.0964 0.1033 1949 0.1625 -0.1037 1950 -0.2399 -0.0608 1951 -0.3986 0.1306 1952 0.2684 0.2599 1953 0.8607 0.2951 1954 0.8087 0.4264 1955 -0.0637 0.3978 1956 0.2580 0.2353 1957 0.1253 0.1011 1958 0.0482 0.0678 1959 0.1378 0.0168 1960 -0.2305 -0.0085 1961 0.0030 0.0211 1962 -0.0009 -0.0259 1963 0.1962 -0.0034 1964 -0.0971 -0.0492 1965 -0.1184 -0.0660 1966 -0.2259 -0.1655 1967 -0.0849 -0.1876 1968 -0.3011 -0.1928 1969 -0.2077 -0.1697 1970 -0.1444 -0.2143 1971 -0.1103 -0.1062 1972 -0.3078 -0.0271 1973 0.2392 -0.0383 1974 0.1877 -0.0649 1975 -0.2002 0.0715 1976 -0.2436 -0.0710 1977 0.3746 -0.2187 1978 -0.4733 -0.1286 1979 -0.5510 0.0541 1980 0.2505 -0.0821 1981 0.6695 0.0167 1982 -0.3060 0.1378 1983 0.0204 0.0172 1984 0.0544 0.0358 1985 -0.3525 0.2592 1986 0.7627 0.3308 1987 0.8110 0.3029 1988 0.3784 0.5550 1989 -0.0850 0.5428 1990 0.9080 0.4527 1991 0.7017 0.3061 1992 0.3606 0.4316 1993 -0.3549 0.3376 1994 0.5425 0.1909 1995 0.4383 0.1524 1996 -0.0322 0.4921 1997 0.1682 0.6051 1998 1.3436 0.6656 1999 1.1077 0.8670 2000 0.7408 0.9780 2001 0.9748 0.8578 2002 0.7230 0.7685 2003 0.7426 0.8105 2004 0.6615 0.8819 2005 0.9504 0.9325 2006 1.3318 0.8265 2007 0.9762 0.7433 2008 0.2126 0.6810 2009 0.2455 0.5612 2010 0.6390 0.7506 2011 0.7329 0.7609 2012 1.9232 0.7801 2013 0.2638 0.9283 2014 0.3417 1.1219 2015 1.3797 1.0296 2016 1.7011 * 2017 1.4619 *