Digitized (reconstructed) from http://www.giss.nasa.gov/research/briefs/hansen_07/fig1x.gif using http://arohatgi.info/WebPlotDigitizer/ ver. 2.6 as http://www.burtonsys.com/climate/fig1x_1999_US_temp_250pct_green_digitized.jpg by Dave Burton 12/21/2013 ** FIRST ATTEMPT / TENTATIVE ** Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean --------------------------------- 1880 -0.37 1881 -0.34 1882 0.17 1883 -0.85 1884 -0.59 1885 -0.93 1886 -0.16 1887 -0.31 1888 -0.66 1889 -0.08 1890 0.32 1891 -0.32 1892 -0.35 1893 -0.93 1894 0.08 1895 -0.59 1896 -0.02 1897 0.10 1898 -0.11 1899 -0.57 1900 0.39 1901 0.19 1902 -0.11 1903 -0.64 1904 -0.55 1905 -0.42 1906 -0.12 1907 -0.21 1908 0.24 1909 0.11 1910 0.02 1911 0.12 1912 -0.87 1913 -0.04 1914 0.42 1915 -0.42 1916 -0.31 1917 -1.06 1918 -0.22 1919 0.25 1920 -0.57 1921 1.10 1922 0.31 1923 -0.16 1924 -0.24 1925 0.15 1926 0.15 1927 0.33 1928 -0.10 1929 -0.53 1930 0.32 1931 0.95 1932 0.34 1933 0.44 1934 1.45 1935 0.17 1936 0.08 1937 0.04 1938 0.83 1939 0.74 1940 0.18 1941 0.65 1942 0.33 1943 0.20 1944 0.29 1945 0.10 1946 0.42 1947 0.28 1948 -0.05 1949 0.18 1950 -0.22 1951 -0.32 1952 0.24 1953 0.93 1954 0.86 1955 0.12 1956 0.08 1957 0.12 1958 0.35 1959 0.01 1960 0.07 1961 0.01 1962 -0.11 1963 0.45 1964 -0.26 1965 -0.32 1966 -0.08 1967 -0.11 1968 -0.16 1969 -0.39 1970 -0.14 1971 -0.14 1972 -0.18 1973 0.05 1974 0.08 1975 -0.24 1976 -0.13 1977 0.22 1978 -0.44 1979 -0.93 1980 0.21 1981 0.64 1982 -0.56 1983 0.43 1984 -0.53 1985 -0.24 1986 0.32 1987 0.70 1988 0.25 1989 -0.05 1990 0.54 1991 0.30 1992 0.30 1993 -0.72 1994 0.18 1995 0.30 1996 -0.39 1997 -0.15 1998 0.91