The "Annual_Mean" column is from a Keith Winstein email Aug 13, 2007. He presumably extracted it from a downloaded copy of http://data.giss.nasa.gov/gistemp/graphs/new.Fig.D.txt, or perhaps http://data.giss.nasa.gov/gistemp/graphs/Fig.D.txt. The "5-year_Mean" column is recalculated from Annual_Mean. -DAB 2014/1/2 Contiguous 48 U.S. Surface Air Temperature Anomaly (C) ------------------------------------------------------ year Annual_Mean 5-year_Mean --------------------------------- 1880 -.25 * 1881 .30 * 1882 .09 -.226 1883 -.66 -.282 1884 -.61 -.398 1885 -.53 -.450 1886 -.28 -.380 1887 -.17 -.202 1888 -.31 -.056 1889 .28 -.042 1890 .20 -.108 1891 -.21 -.188 1892 -.50 -.210 1893 -.71 -.380 1894 .17 -.298 1895 -.65 -.214 1896 .20 -.100 1897 -.08 -.214 1898 -.14 .030 1899 -.40 .002 1900 .57 -.008 1901 .06 -.108 1902 -.13 -.124 1903 -.64 -.332 1904 -.48 -.348 1905 -.47 -.368 1906 -.02 -.210 1907 -.23 -.168 1908 .15 -.018 1909 -.27 .020 1910 .28 -.110 1911 .17 -.146 1912 -.88 -.074 1913 -.03 -.160 1914 .09 -.294 1915 -.15 -.330 1916 -.50 -.312 1917 -1.06 -.350 1918 .06 -.402 1919 -.10 -.074 1920 -.41 .174 1921 1.14 .148 1922 .18 .020 1923 -.07 .174 1924 -.74 -.046 1925 .36 -.052 1926 .04 -.024 1927 .15 .008 1928 .07 -.032 1929 -.58 .176 1930 .16 .146 1931 1.08 .268 1932 .00 .634 1933 .68 .610 1934 1.25 .436 1935 .04 .410 1936 .21 .446 1937 -.13 .366 1938 .86 .364 1939 .85 .444 1940 .03 .488 1941 .61 .350 1942 .09 .206 1943 .17 .192 1944 .13 .214 1945 -.04 .214 1946 .72 .164 1947 .09 .178 1948 -.08 .130 1949 .20 -.098 1950 -.28 -.052 1951 -.42 .144 1952 .32 .274 1953 .90 .324 1954 .85 .466 1955 -.03 .430 1956 .29 .262 1957 .14 .126 1958 .06 .084 1959 .17 .022 1960 -.24 -.010 1961 -.02 .016 1962 -.02 -.032 1963 .19 -.006 1964 -.07 -.050 1965 -.11 -.066 1966 -.24 -.160 1967 -.10 -.192 1968 -.28 -.192 1969 -.23 -.162 1970 -.11 -.212 1971 -.09 -.108 1972 -.35 -.030 1973 .24 -.048 1974 .16 -.080 1975 -.20 .064 1976 -.25 -.088 1977 .37 -.240 1978 -.52 -.156 1979 -.60 .022 1980 .22 -.124 1981 .64 -.022 1982 -.36 .098 1983 -.01 -.030 1984 .00 -.012 1985 -.42 .226 1986 .73 .292 1987 .83 .254 1988 .32 .512 1989 -.19 .504 1990 .87 .398 1991 .69 .248 1992 .30 .380 1993 -.43 .276 1994 .47 .104 1995 .35 .052 1996 -.17 .384 1997 .04 .478 1998 1.23 .538 1999 .94 .752 2000 .65 .880 2001 .90 .764 2002 .68 .694 2003 .65 .734 2004 .59 .800 2005 .85 * 2006 1.23 *