| Year | HadCRUT4 | NASA - GISS | NOAA - NCEI |
|---|---|---|---|
| 1869 | -0.01 | ||
| 1870 | -0.01 | ||
| 1871 | 0.02 | ||
| 1872 | 0.07 | ||
| 1873 | 0.07 | ||
| 1874 | 0.11 | ||
| 1875 | 0.09 | ||
| 1876 | 0.07 | ||
| 1877 | 0.07 | ||
| 1878 | 0.07 | ||
| 1879 | 0.07 | ||
| 1880 | 0.07 | ||
| 1881 | 0.08 | ||
| 1882 | 0.05 | ||
| 1883 | 0.05 | ||
| 1884 | 0.04 | ||
| 1885 | 0.06 | ||
| 1886 | 0.07 | ||
| 1887 | 0.01 | ||
| 1888 | -0.05 | ||
| 1889 | -0.05 | ||
| 1890 | -0.07 | ||
| 1891 | -0.1 | ||
| 1892 | -0.12 | ||
| 1893 | -0.14 | ||
| 1894 | -0.14 | ||
| 1895 | -0.14 | ||
| 1896 | -0.13 | ||
| 1897 | -0.07 | ||
| 1898 | -0.05 | ||
| 1899 | -0.06 | -0.06 | -0.08 |
| 1900 | -0.02 | -0.04 | -0.04 |
| 1901 | 0 | -0.02 | -0.02 |
| 1902 | 0.03 | 0 | 0.01 |
| 1903 | 0.05 | 0.01 | 0.02 |
| 1904 | 0.04 | 0.01 | 0.02 |
| 1905 | 0.04 | 0 | 0.02 |
| 1906 | 0.01 | -0.01 | 0 |
| 1907 | -0.03 | -0.05 | -0.04 |
| 1908 | -0.03 | -0.05 | -0.04 |
| 1909 | -0.05 | -0.07 | -0.06 |
| 1910 | -0.1 | -0.11 | -0.11 |
| 1911 | -0.14 | -0.14 | -0.15 |
| 1912 | -0.14 | -0.15 | -0.16 |
| 1913 | -0.14 | -0.15 | -0.16 |
| 1914 | -0.1 | -0.12 | -0.13 |
| 1915 | -0.08 | -0.1 | -0.11 |
| 1916 | -0.08 | -0.1 | -0.1 |
| 1917 | -0.05 | -0.08 | -0.07 |
| 1918 | -0.03 | -0.06 | -0.04 |
| 1919 | 0.02 | -0.01 | 0.01 |
| 1920 | 0.08 | 0.03 | 0.06 |
| 1921 | 0.14 | 0.08 | 0.11 |
| 1922 | 0.16 | 0.11 | 0.13 |
| 1923 | 0.17 | 0.12 | 0.14 |
| 1924 | 0.14 | 0.1 | 0.12 |
| 1925 | 0.11 | 0.08 | 0.1 |
| 1926 | 0.15 | 0.12 | 0.13 |
| 1927 | 0.18 | 0.14 | 0.14 |
| 1928 | 0.17 | 0.15 | 0.13 |
| 1929 | 0.14 | 0.12 | 0.12 |
| 1930 | 0.13 | 0.12 | 0.12 |
| 1931 | 0.1 | 0.11 | 0.1 |
| 1932 | 0.11 | 0.12 | 0.11 |
| 1933 | 0.09 | 0.1 | 0.1 |
| 1934 | 0.11 | 0.12 | 0.12 |
| 1935 | 0.12 | 0.13 | 0.13 |
| 1936 | 0.09 | 0.1 | 0.11 |
| 1937 | 0.08 | 0.1 | 0.11 |
| 1938 | 0.09 | 0.11 | 0.12 |
| 1939 | 0.13 | 0.14 | 0.15 |
| 1940 | 0.13 | 0.15 | 0.15 |
| 1941 | 0.13 | 0.15 | 0.16 |
| 1942 | 0.12 | 0.14 | 0.15 |
| 1943 | 0.15 | 0.18 | 0.18 |
| 1944 | 0.16 | 0.18 | 0.19 |
| 1945 | 0.18 | 0.19 | 0.2 |
| 1946 | 0.19 | 0.2 | 0.2 |
| 1947 | 0.17 | 0.17 | 0.18 |
| 1948 | 0.15 | 0.13 | 0.14 |
| 1949 | 0.11 | 0.09 | 0.1 |
| 1950 | 0.08 | 0.05 | 0.05 |
| 1951 | 0.06 | 0.02 | 0.02 |
| 1952 | 0.06 | 0 | -0.01 |
| 1953 | 0.04 | -0.03 | -0.04 |
| 1954 | -0.02 | -0.07 | -0.1 |
| 1955 | -0.06 | -0.1 | -0.14 |
| 1956 | -0.09 | -0.12 | -0.15 |
| 1957 | -0.08 | -0.1 | -0.13 |
| 1958 | -0.07 | -0.07 | -0.1 |
| 1959 | -0.06 | -0.05 | -0.07 |
| 1960 | -0.03 | -0.01 | -0.03 |
| 1961 | -0.01 | 0.02 | 0 |
| 1962 | -0.02 | 0.02 | 0.02 |
| 1963 | -0.03 | 0.02 | 0.02 |
| 1964 | -0.01 | 0.03 | 0.05 |
| 1965 | 0.01 | 0.05 | 0.07 |
| 1966 | 0.05 | 0.07 | 0.11 |
| 1967 | 0.04 | 0.06 | 0.09 |
| 1968 | 0.02 | 0.04 | 0.06 |
| 1969 | 0.01 | 0.02 | 0.05 |
| 1970 | 0 | 0.02 | 0.04 |
| 1971 | -0.03 | -0.01 | 0.01 |
| 1972 | -0.04 | -0.01 | 0 |
| 1973 | -0.04 | 0 | 0 |
| 1974 | -0.02 | 0.02 | 0.01 |
| 1975 | -0.03 | 0.03 | 0.01 |
| 1976 | -0.07 | 0 | -0.02 |
| 1977 | -0.05 | 0.02 | 0 |
| 1978 | -0.02 | 0.04 | 0.02 |
| 1979 | -0.02 | 0.05 | 0.03 |
| 1980 | -0.01 | 0.05 | 0.04 |
| 1981 | 0.04 | 0.1 | 0.08 |
| 1982 | 0.06 | 0.11 | 0.1 |
| 1983 | 0.07 | 0.11 | 0.11 |
| 1984 | 0.09 | 0.12 | 0.12 |
| 1985 | 0.1 | 0.12 | 0.12 |
| 1986 | 0.14 | 0.16 | 0.16 |
| 1987 | 0.15 | 0.15 | 0.16 |
| 1988 | 0.17 | 0.17 | 0.17 |
| 1989 | 0.17 | 0.18 | 0.17 |
| 1990 | 0.18 | 0.18 | 0.17 |
| 1991 | 0.16 | 0.16 | 0.15 |
| 1992 | 0.16 | 0.16 | 0.15 |
| 1993 | 0.14 | 0.14 | 0.13 |
| 1994 | 0.15 | 0.14 | 0.14 |
| 1995 | 0.17 | 0.16 | 0.16 |
| 1996 | 0.15 | 0.16 | 0.15 |
| 1997 | 0.16 | 0.16 | 0.15 |
| 1998 | 0.17 | 0.16 | 0.15 |
| 1999 | 0.18 | 0.16 | 0.16 |
| 2000 | 0.16 | 0.14 | 0.15 |
| 2001 | 0.17 | 0.15 | 0.16 |
| 2002 | 0.2 | 0.18 | 0.18 |
| 2003 | 0.24 | 0.22 | 0.22 |
| 2004 | 0.24 | 0.23 | 0.23 |
| 2005 | 0.23 | 0.22 | 0.21 |
| 2006 | 0.24 | 0.23 | 0.23 |
| 2007 | 0.23 | 0.23 | 0.22 |
| 2008 | 0.19 | 0.19 | 0.18 |
| 2009 | 0.19 | 0.19 | 0.17 |
| 2010 | 0.21 | 0.22 | 0.19 |
| 2011 | 0.19 | 0.21 | 0.17 |
| 2012 | 0.15 | 0.16 | 0.13 |
| 2013 | 0.11 | 0.12 | 0.1 |
| 2014 | 0.1 | 0.12 | 0.08 |