Global Mean Net Forcing Relative to 1880 ---------------------------------------- Year Net ----------------- 1880 0.0000 1881 0.0374 1882 0.0640 1883 -1.0351 1884 -3.2951 1885 -1.4530 1886 -0.8381 1887 -0.8775 1888 -0.5250 1889 -0.6860 1890 -0.9268 1891 -0.6794 1892 -0.4543 1893 -0.1522 1894 0.0042 1895 0.0303 1896 -0.3973 1897 -0.3935 1898 -0.2927 1899 -0.1225 1900 -0.0569 1901 -0.0381 1902 -0.4785 1903 -1.6414 1904 -0.6562 1905 -0.2275 1906 -0.0648 1907 -0.1310 1908 -0.1440 1909 -0.0157 1910 -0.0121 1911 0.0217 1912 -0.3928 1913 -0.4892 1914 -0.1446 1915 0.0448 1916 0.1118 1917 0.1474 1918 0.1582 1919 0.1236 1920 -0.0655 1921 -0.0304 1922 0.0755 1923 0.1317 1924 0.0930 1925 0.1422 1926 0.1767 1927 0.2343 1928 0.1304 1929 0.0254 1930 0.1210 1931 0.1522 1932 0.0610 1933 0.0957 1934 0.1836 1935 0.2130 1936 0.2996 1937 0.3026 1938 0.2488 1939 0.2702 1940 0.2836 1941 0.3064 1942 0.2406 1943 0.2173 1944 0.2698 1945 0.3124 1946 0.3345 1947 0.3562 1948 0.3948 1949 0.3535 1950 0.3353 1951 0.3257 1952 0.2834 1953 0.2740 1954 0.2747 1955 0.3411 1956 0.4351 1957 0.5163 1958 0.5212 1959 0.4990 1960 0.3982 1961 0.2061 1962 0.1366 1963 -0.6214 1964 -1.2154 1965 -0.5152 1966 0.0156 1967 0.2738 1968 0.0062 1969 -0.1101 1970 0.3433 1971 0.5574 1972 0.6536 1973 0.5667 1974 0.4649 1975 0.0614 1976 0.4928 1977 0.7652 1978 0.8129 1979 0.8625 1980 1.0089 1981 1.0557 1982 -0.0886 1983 -0.5991 1984 0.4521 1985 0.8817 1986 0.9032 1987 1.0481 1988 1.2138 1989 1.3792 1990 1.3991 1991 0.2779 1992 -1.3149 1993 0.3413 1994 0.9993 1995 1.2465 1996 1.3231 1997 1.3643 1998 1.5038 1999 1.6034 2000 1.6428 2001 1.6346 2002 1.6101 2003 1.5015 2004 1.5542 2005 1.4301 2006 1.5018 2007 1.5541 2008 1.5910 2009 1.5798 2010 1.6628 -----------------