Digitized (reconstructed) from Fig. 4 of http://pubs.giss.nasa.gov/docs/1999/1999_Hansen_ha03200f.pdf (formerly http://pubs.giss.nasa.gov/docs/1999/1999_Hansen_etal_1.pdf) using http://arohatgi.info/WebPlotDigitizer/ ver. 3.1 as http://www.burtonsys.com/climate/fig1x_1999_highres_fig4_from_paper_digitized.png by Dave Burton 8/2/2016 The 5-year mean values for 1880 & 1881 are eyeballed from the graph; the rest are calculated. For a version in which the values have not been rounded to two significant digits, see: http://www.burtonsys.com/climate/FigA_1999_digitized_hires_v1.xls Global Surface Air Temperature Anomaly (C) (Base: 1951-1980) ------------------------------------------------------------ Year Annual_Mean 5-year_Mean -------------------------------- 1880 -0.20 -0.1 1881 -0.19 -0.2 1882 -0.13 -0.22 1883 -0.16 -0.24 1884 -0.43 -0.28 1885 -0.30 -0.35 1886 -0.35 -0.37 1887 -0.52 -0.27 1888 -0.23 -0.28 1889 0.05 -0.31 1890 -0.35 -0.30 1891 -0.49 -0.34 1892 -0.46 -0.42 1893 -0.45 -0.42 1894 -0.37 -0.37 1895 -0.34 -0.31 1896 -0.26 -0.27 1897 -0.15 -0.23 1898 -0.22 -0.16 1899 -0.17 -0.12 1900 -0.02 -0.14 1901 -0.05 -0.16 1902 -0.24 -0.21 1903 -0.33 -0.25 1904 -0.42 -0.26 1905 -0.23 -0.29 1906 -0.10 -0.28 1907 -0.39 -0.25 1908 -0.26 -0.25 1909 -0.29 -0.28 1910 -0.21 -0.26 1911 -0.25 -0.25 1912 -0.27 -0.19 1913 -0.24 -0.14 1914 0.02 -0.13 1915 0.05 -0.16 1916 -0.21 -0.17 1917 -0.40 -0.19 1918 -0.31 -0.23 1919 -0.07 -0.19 1920 -0.14 -0.13 1921 -0.05 -0.10 1922 -0.10 -0.11 1923 -0.15 -0.11 1924 -0.11 -0.09 1925 -0.16 -0.09 1926 0.05 -0.06 1927 -0.07 -0.08 1928 -0.02 -0.06 1929 -0.22 -0.06 1930 -0.03 -0.04 1931 0.03 -0.06 1932 0.02 -0.01 1933 -0.12 -0.02 1934 0.04 -0.03 1935 -0.10 -0.01 1936 0.01 0.05 1937 0.12 0.04 1938 0.16 0.08 1939 -0.03 0.10 1940 0.15 0.10 1941 0.11 0.07 1942 0.10 0.10 1943 0.04 0.07 1944 0.11 0.05 1945 -0.01 0.05 1946 0.00 0.04 1947 0.12 0.00 1948 -0.03 -0.03 1949 -0.09 -0.03 1950 -0.15 -0.05 1951 -0.02 -0.01 1952 0.05 -0.01 1953 0.14 0.00 1954 -0.07 -0.02 1955 -0.08 -0.02 1956 -0.16 -0.03 1957 0.09 0.00 1958 0.10 0.01 1959 0.05 0.06 1960 -0.02 0.05 1961 0.10 0.04 1962 0.05 -0.02 1963 0.04 -0.04 1964 -0.25 -0.08 1965 -0.14 -0.09 1966 -0.07 -0.12 1967 -0.01 -0.07 1968 -0.10 -0.03 1969 0.00 -0.04 1970 0.04 -0.04 1971 -0.11 0.01 1972 -0.05 0.00 1973 0.18 -0.01 1974 -0.06 -0.04 1975 -0.03 0.00 1976 -0.23 -0.02 1977 0.15 0.02 1978 0.06 0.07 1979 0.12 0.20 1980 0.26 0.18 1981 0.39 0.24 1982 0.08 0.25 1983 0.34 0.22 1984 0.15 0.18 1985 0.13 0.23 1986 0.17 0.24 1987 0.34 0.27 1988 0.42 0.34 1989 0.28 0.39 1990 0.49 0.35 1991 0.43 0.30 1992 0.15 0.31 1993 0.17 0.30 1994 0.30 0.27 1995 0.43 0.32 1996 0.33 0.42 1997 0.37 0.43 1998 0.66 1999 0.38 ------------------------------------