------------------------------------------ Global Temperature Using GISS (2020) Model Relative to 1951-1980 Mean (C) ------------------------------------------ Year IPCC Inferred ECS=4 ------------------------------------------ 1750 -0.2576 -0.2899 -0.3314 1751 -0.2558 -0.2881 -0.3293 1752 -0.2552 -0.2875 -0.3286 1753 -0.2547 -0.2870 -0.3280 1754 -0.2543 -0.2866 -0.3276 1755 -0.2539 -0.2862 -0.3271 1756 -0.2537 -0.2860 -0.3269 1757 -0.2555 -0.2878 -0.3290 1758 -0.2542 -0.2865 -0.3275 1759 -0.2541 -0.2864 -0.3274 1760 -0.2538 -0.2861 -0.3270 1761 -0.2520 -0.2843 -0.3250 1762 -0.2494 -0.2817 -0.3220 1763 -0.2480 -0.2803 -0.3204 1764 -0.2452 -0.2775 -0.3172 1765 -0.2476 -0.2799 -0.3199 1766 -0.2455 -0.2778 -0.3175 1767 -0.2434 -0.2757 -0.3151 1768 -0.2429 -0.2752 -0.3146 1769 -0.2421 -0.2744 -0.3136 1770 -0.2416 -0.2739 -0.3131 1771 -0.2389 -0.2712 -0.3100 1772 -0.2362 -0.2685 -0.3069 1773 -0.2370 -0.2693 -0.3078 1774 -0.2385 -0.2708 -0.3095 1775 -0.2343 -0.2666 -0.3047 1776 -0.2336 -0.2659 -0.3039 1777 -0.2325 -0.2648 -0.3027 1778 -0.2342 -0.2665 -0.3046 1779 -0.2320 -0.2643 -0.3021 1780 -0.2310 -0.2633 -0.3009 1781 -0.2309 -0.2632 -0.3008 1782 -0.2291 -0.2614 -0.2988 1783 -0.2261 -0.2584 -0.2953 1784 -0.2224 -0.2547 -0.2911 1785 -0.2244 -0.2567 -0.2934 1786 -0.2220 -0.2543 -0.2907 1787 -0.2235 -0.2558 -0.2924 1788 -0.2250 -0.2573 -0.2941 1789 -0.2243 -0.2566 -0.2933 1790 -0.2226 -0.2549 -0.2914 1791 -0.2199 -0.2522 -0.2883 1792 -0.2186 -0.2509 -0.2868 1793 -0.2172 -0.2495 -0.2852 1794 -0.2197 -0.2520 -0.2880 1795 -0.2182 -0.2505 -0.2863 1796 -0.2171 -0.2494 -0.2851 1797 -0.2160 -0.2483 -0.2838 1798 -0.2153 -0.2476 -0.2830 1799 -0.2147 -0.2470 -0.2823 1800 -0.2137 -0.2460 -0.2812 1801 -0.2099 -0.2422 -0.2768 1802 -0.2108 -0.2431 -0.2779 1803 -0.2085 -0.2408 -0.2752 1804 -0.2053 -0.2376 -0.2716 1805 -0.2054 -0.2377 -0.2717 1806 -0.2026 -0.2349 -0.2685 1807 -0.2040 -0.2363 -0.2701 1808 -0.2053 -0.2376 -0.2716 1809 -0.2039 -0.2362 -0.2700 1810 -0.2041 -0.2364 -0.2702 1811 -0.2023 -0.2346 -0.2682 1812 -0.1996 -0.2319 -0.2651 1813 -0.2001 -0.2324 -0.2656 1814 -0.2006 -0.2329 -0.2662 1815 -0.1989 -0.2312 -0.2643 1816 -0.1990 -0.2313 -0.2644 1817 -0.2002 -0.2325 -0.2657 1818 -0.1972 -0.2295 -0.2623 1819 -0.1966 -0.2289 -0.2616 1820 -0.1950 -0.2273 -0.2598 1821 -0.1926 -0.2249 -0.2571 1822 -0.1915 -0.2238 -0.2558 1823 -0.1904 -0.2227 -0.2546 1824 -0.1902 -0.2225 -0.2543 1825 -0.1877 -0.2200 -0.2515 1826 -0.1866 -0.2189 -0.2502 1827 -0.1859 -0.2182 -0.2494 1828 -0.1889 -0.2212 -0.2528 1829 -0.1870 -0.2193 -0.2507 1830 -0.1893 -0.2216 -0.2533 1831 -0.1884 -0.2207 -0.2523 1832 -0.1848 -0.2171 -0.2482 1833 -0.1852 -0.2175 -0.2486 1834 -0.1837 -0.2160 -0.2469 1835 -0.1814 -0.2137 -0.2443 1836 -0.1819 -0.2142 -0.2448 1837 -0.1816 -0.2139 -0.2445 1838 -0.1820 -0.2143 -0.2449 1839 -0.1823 -0.2146 -0.2453 1840 -0.1816 -0.2139 -0.2445 1841 -0.1800 -0.2123 -0.2427 1842 -0.1791 -0.2114 -0.2416 1843 -0.1764 -0.2087 -0.2385 1844 -0.1756 -0.2079 -0.2376 1845 -0.1762 -0.2085 -0.2383 1846 -0.1757 -0.2080 -0.2377 1847 -0.1744 -0.2067 -0.2363 1848 -0.1773 -0.2096 -0.2396 1849 -0.1758 -0.2081 -0.2379 1850 -0.1777 -0.2100 -0.2400 1851 -0.1761 -0.2111 -0.2413 1852 -0.1742 -0.2128 -0.2432 1853 -0.1755 -0.2148 -0.2455 1854 -0.1783 -0.2160 -0.2469 1855 -0.1756 -0.2162 -0.2471 1856 -0.1738 -0.2160 -0.2469 1857 -0.1733 -0.2152 -0.2460 1858 -0.1718 -0.2144 -0.2451 1859 -0.1703 -0.2146 -0.2453 1860 -0.1685 -0.2133 -0.2438 1861 -0.1672 -0.2130 -0.2435 1862 -0.1663 -0.2130 -0.2435 1863 -0.1626 -0.2129 -0.2433 1864 -0.1619 -0.2128 -0.2432 1865 -0.1612 -0.2122 -0.2425 1866 -0.1595 -0.2123 -0.2427 1867 -0.1605 -0.2129 -0.2433 1868 -0.1613 -0.2129 -0.2433 1869 -0.1612 -0.2132 -0.2437 1870 -0.1618 -0.2131 -0.2436 1871 -0.1587 -0.2129 -0.2433 1872 -0.1574 -0.2132 -0.2437 1873 -0.1587 -0.2127 -0.2431 1874 -0.1569 -0.2122 -0.2425 1875 -0.1551 -0.2115 -0.2417 1876 -0.1552 -0.2114 -0.2416 1877 -0.1534 -0.2106 -0.2407 1878 -0.1522 -0.2087 -0.2385 1879 -0.1508 -0.2068 -0.2364 1880 -0.1485 -0.2035 -0.2326 1881 -0.1453 -0.2006 -0.2293 1882 -0.1428 -0.1977 -0.2260 1883 -0.1371 -0.1947 -0.2225 1884 -0.1347 -0.1924 -0.2199 1885 -0.1314 -0.1896 -0.2167 1886 -0.1272 -0.1871 -0.2139 1887 -0.1261 -0.1856 -0.2121 1888 -0.1273 -0.1846 -0.2110 1889 -0.1265 -0.1843 -0.2106 1890 -0.1270 -0.1839 -0.2102 1891 -0.1260 -0.1837 -0.2100 1892 -0.1250 -0.1840 -0.2103 1893 -0.1238 -0.1842 -0.2105 1894 -0.1250 -0.1843 -0.2106 1895 -0.1259 -0.1844 -0.2108 1896 -0.1254 -0.1848 -0.2112 1897 -0.1262 -0.1853 -0.2118 1898 -0.1300 -0.1862 -0.2128 1899 -0.1333 -0.1858 -0.2124 1900 -0.1358 -0.1850 -0.2115 1901 -0.1349 -0.1834 -0.2096 1902 -0.1354 -0.1820 -0.2080 1903 -0.1373 -0.1799 -0.2056 1904 -0.1381 -0.1772 -0.2025 1905 -0.1385 -0.1739 -0.1988 1906 -0.1401 -0.1714 -0.1959 1907 -0.1470 -0.1693 -0.1935 1908 -0.1450 -0.1666 -0.1904 1909 -0.1447 -0.1635 -0.1869 1910 -0.1474 -0.1610 -0.1840 1911 -0.1447 -0.1587 -0.1814 1912 -0.1437 -0.1559 -0.1782 1913 -0.1442 -0.1538 -0.1758 1914 -0.1384 -0.1513 -0.1729 1915 -0.1321 -0.1496 -0.1710 1916 -0.1314 -0.1473 -0.1684 1917 -0.1320 -0.1449 -0.1656 1918 -0.1301 -0.1425 -0.1629 1919 -0.1163 -0.1403 -0.1604 1920 -0.1180 -0.1380 -0.1577 1921 -0.1001 -0.1361 -0.1556 1922 -0.0923 -0.1335 -0.1526 1923 -0.0921 -0.1300 -0.1486 1924 -0.0840 -0.1271 -0.1453 1925 -0.0796 -0.1236 -0.1413 1926 -0.0767 -0.1200 -0.1372 1927 -0.0785 -0.1166 -0.1333 1928 -0.0749 -0.1139 -0.1302 1929 -0.0764 -0.1099 -0.1256 1930 -0.0699 -0.1074 -0.1228 1931 -0.0559 -0.1039 -0.1188 1932 -0.0388 -0.1011 -0.1156 1933 -0.0280 -0.0978 -0.1118 1934 -0.0280 -0.0949 -0.1085 1935 -0.0232 -0.0917 -0.1048 1936 -0.0280 -0.0883 -0.1009 1937 -0.0331 -0.0853 -0.0975 1938 -0.0261 -0.0825 -0.0943 1939 -0.0308 -0.0804 -0.0919 1940 -0.0339 -0.0780 -0.0892 1941 -0.0392 -0.0783 -0.0895 1942 -0.0453 -0.0790 -0.0903 1943 -0.0477 -0.0796 -0.0910 1944 -0.0489 -0.0810 -0.0926 1945 -0.0328 -0.0814 -0.0930 1946 -0.0220 -0.0822 -0.0940 1947 -0.0211 -0.0808 -0.0924 1948 -0.0229 -0.0802 -0.0917 1949 -0.0121 -0.0791 -0.0904 1950 -0.0176 -0.0762 -0.0871 1951 -0.0158 -0.0752 -0.0860 1952 -0.0164 -0.0737 -0.0842 1953 -0.0158 -0.0733 -0.0838 1954 -0.0120 -0.0711 -0.0813 1955 -0.0196 -0.0698 -0.0798 1956 -0.0262 -0.0680 -0.0777 1957 -0.0308 -0.0651 -0.0744 1958 -0.0274 -0.0623 -0.0712 1959 -0.0264 -0.0584 -0.0668 1960 -0.0280 -0.0541 -0.0618 1961 -0.0302 -0.0487 -0.0557 1962 -0.0236 -0.0437 -0.0499 1963 -0.0287 -0.0378 -0.0432 1964 -0.0252 -0.0322 -0.0368 1965 -0.0268 -0.0268 -0.0306 1966 -0.0224 -0.0181 -0.0207 1967 -0.0174 -0.0106 -0.0121 1968 -0.0163 -0.0014 -0.0016 1969 -0.0096 0.0089 0.0102 1970 -0.0117 0.0195 0.0223 1971 -0.0044 0.0300 0.0343 1972 -0.0083 0.0401 0.0458 1973 0.0027 0.0545 0.0623 1974 0.0162 0.0658 0.0752 1975 0.0364 0.0787 0.0900 1976 0.0423 0.0886 0.1013 1977 0.0608 0.1039 0.1188 1978 0.0772 0.1182 0.1351 1979 0.0928 0.1335 0.1526 1980 0.1137 0.1491 0.1704 1981 0.1405 0.1671 0.1910 1982 0.1574 0.1839 0.2102 1983 0.1951 0.2021 0.2310 1984 0.2193 0.2210 0.2526 1985 0.2427 0.2399 0.2742 1986 0.2665 0.2593 0.2964 1987 0.2812 0.2778 0.3175 1988 0.3075 0.3004 0.3434 1989 0.3343 0.3219 0.3679 1990 0.3548 0.3415 0.3903 1991 0.3615 0.3575 0.4086 1992 0.4085 0.3717 0.4248 1993 0.4268 0.3806 0.4350 1994 0.4427 0.3909 0.4468 1995 0.4742 0.4001 0.4573 1996 0.5077 0.4090 0.4675 1997 0.5069 0.4169 0.4765 1998 0.5305 0.4285 0.4898 1999 0.5785 0.4394 0.5022 2000 0.6147 0.4476 0.5116 2001 0.6416 0.4564 0.5217 2002 0.6496 0.4681 0.5350 2003 0.6715 0.4823 0.5513 2004 0.6883 0.4939 0.5645 2005 0.6930 0.5055 0.5778 2006 0.6990 0.5178 0.5918 2007 0.7253 0.5300 0.6058 2008 0.7551 0.5417 0.6192 2009 0.7920 0.5523 0.6313 2010 0.8182 0.5638 0.6444 2011 0.8488 0.5841 0.6676 2012 0.8759 0.6063 0.6930 2013 0.9182 0.6321 0.7225 2014 0.9472 0.6593 0.7536 2015 0.9888 0.6892 0.7878 2016 1.0275 0.7215 0.8247 2017 1.0657 0.7513 0.8587 2018 1.0965 0.7825 0.8944 2019 1.1262 0.8137 0.9301 ------------------------------------------