Source,Year,Mean gcag,1850,-0.4177 gcag,1851,-0.2333 gcag,1852,-0.2294 gcag,1853,-0.2704 gcag,1854,-0.2915 gcag,1855,-0.2969 gcag,1856,-0.3204 gcag,1857,-0.4672 gcag,1858,-0.3888 gcag,1859,-0.2813 gcag,1860,-0.3902 gcag,1861,-0.4291 gcag,1862,-0.5364 gcag,1863,-0.3442 gcag,1864,-0.4655 gcag,1865,-0.3325 gcag,1866,-0.3413 gcag,1867,-0.357 gcag,1868,-0.3518 gcag,1869,-0.3166 gcag,1870,-0.3279 gcag,1871,-0.3686 gcag,1872,-0.3281 gcag,1873,-0.3413 gcag,1874,-0.3733 gcag,1875,-0.3756 gcag,1876,-0.4241 gcag,1877,-0.1011 gcag,1878,-0.0113 gcag,1879,-0.3036 GISTEMP,1880,-0.1725 gcag,1880,-0.3158 GISTEMP,1881,-0.0883 gcag,1881,-0.2322 GISTEMP,1882,-0.1067 gcag,1882,-0.2955 GISTEMP,1883,-0.1742 gcag,1883,-0.3465 GISTEMP,1884,-0.2808 gcag,1884,-0.4923 GISTEMP,1885,-0.3317 gcag,1885,-0.4711 GISTEMP,1886,-0.3158 gcag,1886,-0.4209 GISTEMP,1887,-0.3667 gcag,1887,-0.4988 GISTEMP,1888,-0.1758 gcag,1888,-0.3794 GISTEMP,1889,-0.1092 gcag,1889,-0.2499 GISTEMP,1890,-0.3558 gcag,1890,-0.5069 GISTEMP,1891,-0.2292 gcag,1891,-0.4013 GISTEMP,1892,-0.28 gcag,1892,-0.5076 GISTEMP,1893,-0.3192 gcag,1893,-0.4946 GISTEMP,1894,-0.3108 gcag,1894,-0.4838 GISTEMP,1895,-0.2392 gcag,1895,-0.4488 GISTEMP,1896,-0.12 gcag,1896,-0.284 GISTEMP,1897,-0.1175 gcag,1897,-0.2598 GISTEMP,1898,-0.2825 gcag,1898,-0.4858 GISTEMP,1899,-0.1825 gcag,1899,-0.3554 GISTEMP,1900,-0.0867 gcag,1900,-0.2345 GISTEMP,1901,-0.16 gcag,1901,-0.2934 GISTEMP,1902,-0.2858 gcag,1902,-0.439 GISTEMP,1903,-0.3767 gcag,1903,-0.5333 GISTEMP,1904,-0.4775 gcag,1904,-0.5975 GISTEMP,1905,-0.2683 gcag,1905,-0.4078 GISTEMP,1906,-0.2292 gcag,1906,-0.3191 GISTEMP,1907,-0.3933 gcag,1907,-0.5041 GISTEMP,1908,-0.43 gcag,1908,-0.5138 GISTEMP,1909,-0.4867 gcag,1909,-0.5357 GISTEMP,1910,-0.4408 gcag,1910,-0.5309 GISTEMP,1911,-0.45 gcag,1911,-0.5391 GISTEMP,1912,-0.3675 gcag,1912,-0.4755 GISTEMP,1913,-0.3492 gcag,1913,-0.467 GISTEMP,1914,-0.1567 gcag,1914,-0.2624 GISTEMP,1915,-0.1433 gcag,1915,-0.1917 GISTEMP,1916,-0.3617 gcag,1916,-0.42 GISTEMP,1917,-0.4617 gcag,1917,-0.5428 GISTEMP,1918,-0.2992 gcag,1918,-0.4244 GISTEMP,1919,-0.2783 gcag,1919,-0.3253 GISTEMP,1920,-0.275 gcag,1920,-0.2984 GISTEMP,1921,-0.1908 gcag,1921,-0.2404 GISTEMP,1922,-0.2842 gcag,1922,-0.339 GISTEMP,1923,-0.2658 gcag,1923,-0.3177 GISTEMP,1924,-0.2708 gcag,1924,-0.3118 GISTEMP,1925,-0.2225 gcag,1925,-0.2821 GISTEMP,1926,-0.1067 gcag,1926,-0.1226 GISTEMP,1927,-0.2175 gcag,1927,-0.2291 GISTEMP,1928,-0.2 gcag,1928,-0.2065 GISTEMP,1929,-0.3583 gcag,1929,-0.3924 GISTEMP,1930,-0.1575 gcag,1930,-0.1768 GISTEMP,1931,-0.0883 gcag,1931,-0.1034 GISTEMP,1932,-0.155 gcag,1932,-0.1455 GISTEMP,1933,-0.2817 gcag,1933,-0.3223 GISTEMP,1934,-0.1217 gcag,1934,-0.1743 GISTEMP,1935,-0.1967 gcag,1935,-0.2061 GISTEMP,1936,-0.1442 gcag,1936,-0.1695 GISTEMP,1937,-0.0275 gcag,1937,-0.0192 GISTEMP,1938,0.0008 gcag,1938,-0.0122 GISTEMP,1939,-0.0167 gcag,1939,-0.0408 GISTEMP,1940,0.125 gcag,1940,0.0759 GISTEMP,1941,0.1867 gcag,1941,0.0381 GISTEMP,1942,0.0675 gcag,1942,0.0014 GISTEMP,1943,0.0892 gcag,1943,0.0064 GISTEMP,1944,0.2033 gcag,1944,0.1441 GISTEMP,1945,0.0925 gcag,1945,0.0431 GISTEMP,1946,-0.0733 gcag,1946,-0.1188 GISTEMP,1947,-0.0275 gcag,1947,-0.0912 GISTEMP,1948,-0.1067 gcag,1948,-0.1247 GISTEMP,1949,-0.1092 gcag,1949,-0.1438 GISTEMP,1950,-0.1742 gcag,1950,-0.2266 GISTEMP,1951,-0.0683 gcag,1951,-0.0612 GISTEMP,1952,0.01 gcag,1952,0.0154 GISTEMP,1953,0.0792 gcag,1953,0.0776 GISTEMP,1954,-0.1333 gcag,1954,-0.1168 GISTEMP,1955,-0.1408 gcag,1955,-0.1973 GISTEMP,1956,-0.1892 gcag,1956,-0.2632 GISTEMP,1957,0.0483 gcag,1957,-0.0353 GISTEMP,1958,0.0617 gcag,1958,-0.0176 GISTEMP,1959,0.0308 gcag,1959,-0.048 GISTEMP,1960,-0.025 gcag,1960,-0.1155 GISTEMP,1961,0.0575 gcag,1961,-0.02 GISTEMP,1962,0.0308 gcag,1962,-0.064 GISTEMP,1963,0.0542 gcag,1963,-0.0368 GISTEMP,1964,-0.1992 gcag,1964,-0.3059 GISTEMP,1965,-0.1067 gcag,1965,-0.2044 GISTEMP,1966,-0.0575 gcag,1966,-0.1489 GISTEMP,1967,-0.0242 gcag,1967,-0.1175 GISTEMP,1968,-0.0842 gcag,1968,-0.1686 GISTEMP,1969,0.0517 gcag,1969,-0.0314 GISTEMP,1970,0.0258 gcag,1970,-0.0851 GISTEMP,1971,-0.0808 gcag,1971,-0.2059 GISTEMP,1972,0.0083 gcag,1972,-0.0938 GISTEMP,1973,0.16 gcag,1973,0.05 GISTEMP,1974,-0.0708 gcag,1974,-0.1725 GISTEMP,1975,-0.0133 gcag,1975,-0.1108 GISTEMP,1976,-0.0992 gcag,1976,-0.2158 GISTEMP,1977,0.1775 gcag,1977,0.1031 GISTEMP,1978,0.0683 gcag,1978,0.0053 GISTEMP,1979,0.1658 gcag,1979,0.0909 GISTEMP,1980,0.2558 gcag,1980,0.1961 GISTEMP,1981,0.3225 gcag,1981,0.25 GISTEMP,1982,0.1367 gcag,1982,0.0343 GISTEMP,1983,0.3117 gcag,1983,0.2238 GISTEMP,1984,0.155 gcag,1984,0.048 GISTEMP,1985,0.1158 gcag,1985,0.0497 GISTEMP,1986,0.18 gcag,1986,0.0957 GISTEMP,1987,0.3192 gcag,1987,0.243 GISTEMP,1988,0.3858 gcag,1988,0.2822 GISTEMP,1989,0.2717 gcag,1989,0.1793 GISTEMP,1990,0.445 gcag,1990,0.3606 GISTEMP,1991,0.4033 gcag,1991,0.3389 GISTEMP,1992,0.22 gcag,1992,0.1249 GISTEMP,1993,0.23 gcag,1993,0.1657 GISTEMP,1994,0.3133 gcag,1994,0.2335 GISTEMP,1995,0.4442 gcag,1995,0.3769 GISTEMP,1996,0.3283 gcag,1996,0.2767 GISTEMP,1997,0.4633 gcag,1997,0.4223 GISTEMP,1998,0.605 gcag,1998,0.5773 GISTEMP,1999,0.38 gcag,1999,0.3245 GISTEMP,2000,0.3917 gcag,2000,0.3311 GISTEMP,2001,0.5325 gcag,2001,0.4893 GISTEMP,2002,0.6267 gcag,2002,0.5435 GISTEMP,2003,0.6167 gcag,2003,0.5442 GISTEMP,2004,0.5325 gcag,2004,0.4674 GISTEMP,2005,0.675 gcag,2005,0.6069 GISTEMP,2006,0.6375 gcag,2006,0.5726 GISTEMP,2007,0.6608 gcag,2007,0.5917 GISTEMP,2008,0.5433 gcag,2008,0.4656 GISTEMP,2009,0.655 gcag,2009,0.5968 GISTEMP,2010,0.7233 gcag,2010,0.6804 GISTEMP,2011,0.6058 gcag,2011,0.5377 GISTEMP,2012,0.6433 gcag,2012,0.5776 GISTEMP,2013,0.6733 gcag,2013,0.6236 GISTEMP,2014,0.7458 gcag,2014,0.6729 GISTEMP,2015,0.8975 gcag,2015,0.8251 GISTEMP,2016,1.0133 gcag,2016,0.9329 GISTEMP,2017,0.92 gcag,2017,0.8452 GISTEMP,2018,0.8475 gcag,2018,0.7627 GISTEMP,2019,0.9758 gcag,2019,0.8911 GISTEMP,2020,1.0092 gcag,2020,0.9229 GISTEMP,2021,0.8483 gcag,2021,0.7619 GISTEMP,2022,0.8933 gcag,2022,0.8013 GISTEMP,2023,1.1692 gcag,2023,1.1003 gcag,2024,1.1755