{"slug":"global-temperature-anomaly","name":"Global Land-Ocean Temperature Anomaly","agency":"NASA Goddard Institute for Space Studies","source":"GISTEMP v4","category":"Climate","sourceUrl":"https://data.giss.nasa.gov/gistemp/","rawUrl":"https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.csv","license":"Public domain (U.S. Government work, 17 U.S.C. § 105)","units":"°C anomaly vs. 1951–1980 mean","description":"Annual global mean surface temperature anomaly combining land-surface air and sea-surface water temperatures, relative to the 1951–1980 average. The headline measure of long-term global warming.","status":"archived","retrievedAt":"2026-07-02T01:01:07.749Z","rawFile":"/datasets/global-temperature-anomaly.csv","jsonFile":"/datasets/global-temperature-anomaly.json","timeframe":"1880–2025","columns":["Year","Annual anomaly (°C)"],"rowCount":146,"rows":[[1880,-0.18],[1881,-0.09],[1882,-0.11],[1883,-0.18],[1884,-0.29],[1885,-0.34],[1886,-0.32],[1887,-0.36],[1888,-0.18],[1889,-0.11],[1890,-0.36],[1891,-0.23],[1892,-0.28],[1893,-0.31],[1894,-0.31],[1895,-0.23],[1896,-0.12],[1897,-0.11],[1898,-0.28],[1899,-0.18],[1900,-0.09],[1901,-0.16],[1902,-0.28],[1903,-0.37],[1904,-0.48],[1905,-0.26],[1906,-0.22],[1907,-0.39],[1908,-0.43],[1909,-0.49],[1910,-0.44],[1911,-0.45],[1912,-0.37],[1913,-0.35],[1914,-0.16],[1915,-0.15],[1916,-0.37],[1917,-0.46],[1918,-0.3],[1919,-0.28],[1920,-0.28],[1921,-0.19],[1922,-0.28],[1923,-0.27],[1924,-0.27],[1925,-0.22],[1926,-0.11],[1927,-0.22],[1928,-0.2],[1929,-0.36],[1930,-0.16],[1931,-0.09],[1932,-0.16],[1933,-0.29],[1934,-0.13],[1935,-0.2],[1936,-0.15],[1937,-0.03],[1938,0],[1939,-0.02],[1940,0.12],[1941,0.18],[1942,0.06],[1943,0.09],[1944,0.2],[1945,0.09],[1946,-0.07],[1947,-0.03],[1948,-0.11],[1949,-0.11],[1950,-0.17],[1951,-0.07],[1952,0.01],[1953,0.08],[1954,-0.13],[1955,-0.14],[1956,-0.19],[1957,0.05],[1958,0.06],[1959,0.03],[1960,-0.03],[1961,0.06],[1962,0.03],[1963,0.05],[1964,-0.2],[1965,-0.11],[1966,-0.06],[1967,-0.02],[1968,-0.08],[1969,0.05],[1970,0.03],[1971,-0.08],[1972,0.01],[1973,0.16],[1974,-0.07],[1975,-0.01],[1976,-0.1],[1977,0.18],[1978,0.07],[1979,0.16],[1980,0.26],[1981,0.32],[1982,0.14],[1983,0.31],[1984,0.16],[1985,0.12],[1986,0.18],[1987,0.32],[1988,0.39],[1989,0.27],[1990,0.45],[1991,0.41],[1992,0.22],[1993,0.23],[1994,0.32],[1995,0.45],[1996,0.33],[1997,0.47],[1998,0.61],[1999,0.38],[2000,0.39],[2001,0.53],[2002,0.63],[2003,0.62],[2004,0.53],[2005,0.68],[2006,0.64],[2007,0.67],[2008,0.54],[2009,0.66],[2010,0.73],[2011,0.61],[2012,0.65],[2013,0.68],[2014,0.75],[2015,0.9],[2016,1.01],[2017,0.92],[2018,0.85],[2019,0.98],[2020,1.01],[2021,0.85],[2022,0.89],[2023,1.17],[2024,1.28],[2025,1.19]],"summary":[{"label":"Latest annual anomaly","value":"1.19 °C (2025)"},{"label":"Baseline anomaly","value":"-0.18 °C (1880)"},{"label":"Net change","value":"1.37 °C"},{"label":"Years of record","value":"146"}],"chart":{"xLabel":"Year","yLabel":"°C anomaly","points":[[1880,-0.18],[1881,-0.09],[1882,-0.11],[1883,-0.18],[1884,-0.29],[1885,-0.34],[1886,-0.32],[1887,-0.36],[1888,-0.18],[1889,-0.11],[1890,-0.36],[1891,-0.23],[1892,-0.28],[1893,-0.31],[1894,-0.31],[1895,-0.23],[1896,-0.12],[1897,-0.11],[1898,-0.28],[1899,-0.18],[1900,-0.09],[1901,-0.16],[1902,-0.28],[1903,-0.37],[1904,-0.48],[1905,-0.26],[1906,-0.22],[1907,-0.39],[1908,-0.43],[1909,-0.49],[1910,-0.44],[1911,-0.45],[1912,-0.37],[1913,-0.35],[1914,-0.16],[1915,-0.15],[1916,-0.37],[1917,-0.46],[1918,-0.3],[1919,-0.28],[1920,-0.28],[1921,-0.19],[1922,-0.28],[1923,-0.27],[1924,-0.27],[1925,-0.22],[1926,-0.11],[1927,-0.22],[1928,-0.2],[1929,-0.36],[1930,-0.16],[1931,-0.09],[1932,-0.16],[1933,-0.29],[1934,-0.13],[1935,-0.2],[1936,-0.15],[1937,-0.03],[1938,0],[1939,-0.02],[1940,0.12],[1941,0.18],[1942,0.06],[1943,0.09],[1944,0.2],[1945,0.09],[1946,-0.07],[1947,-0.03],[1948,-0.11],[1949,-0.11],[1950,-0.17],[1951,-0.07],[1952,0.01],[1953,0.08],[1954,-0.13],[1955,-0.14],[1956,-0.19],[1957,0.05],[1958,0.06],[1959,0.03],[1960,-0.03],[1961,0.06],[1962,0.03],[1963,0.05],[1964,-0.2],[1965,-0.11],[1966,-0.06],[1967,-0.02],[1968,-0.08],[1969,0.05],[1970,0.03],[1971,-0.08],[1972,0.01],[1973,0.16],[1974,-0.07],[1975,-0.01],[1976,-0.1],[1977,0.18],[1978,0.07],[1979,0.16],[1980,0.26],[1981,0.32],[1982,0.14],[1983,0.31],[1984,0.16],[1985,0.12],[1986,0.18],[1987,0.32],[1988,0.39],[1989,0.27],[1990,0.45],[1991,0.41],[1992,0.22],[1993,0.23],[1994,0.32],[1995,0.45],[1996,0.33],[1997,0.47],[1998,0.61],[1999,0.38],[2000,0.39],[2001,0.53],[2002,0.63],[2003,0.62],[2004,0.53],[2005,0.68],[2006,0.64],[2007,0.67],[2008,0.54],[2009,0.66],[2010,0.73],[2011,0.61],[2012,0.65],[2013,0.68],[2014,0.75],[2015,0.9],[2016,1.01],[2017,0.92],[2018,0.85],[2019,0.98],[2020,1.01],[2021,0.85],[2022,0.89],[2023,1.17],[2024,1.28],[2025,1.19]]},"chartType":"line"}