{"id": 1033286, "name": "Annual sea surface temperature anomalies (lower bound)", "unit": "degrees Celsius", "createdAt": "2025-05-22T15:25:55.000Z", "updatedAt": "2025-05-26T07:41:40.000Z", "coverage": "", "timespan": "1850-2025", "datasetId": 7102, "shortUnit": "\u00b0C", "columnOrder": 0, "shortName": "sea_temperature_anomaly_low_annual", "catalogPath": "grapher/climate/2025-05-22/climate_change_impacts_annual/climate_change_impacts_annual#sea_temperature_anomaly_low_annual", "descriptionShort": "The lower bound, defined as the 95% confidence interval for the annual sea surface temperature anomalies, represents the deviation of the average sea surface temperature measured at a nominal depth of 20\u202fcm from the 1861\u20131890 mean, in degrees Celsius.", "descriptionFromProducer": "The 1961-90 period is most often used as a baseline because it is the period recommended by the World Meteorological Organisation. In some cases other periods are used. For global average temperatures, an 1861-1890 period is commonly used to show the warming since the \"pre-industrial\" period.", "type": "float", "dataChecksum": "5960269644186315812", "metadataChecksum": "-4167557735013960038", "datasetName": "Climate Change Impacts - Annual", "updatePeriodDays": 60, "datasetVersion": "2025-05-22", "nonRedistributable": false, "display": {"unit": "degrees Celsius", "shortUnit": "\u00b0C", "numDecimalPlaces": 1}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"topicTagsLinks": ["Climate Change"]}, "descriptionKey": ["The lower bound is the 95% confidence interval for the annual sea surface temperature anomalies. It represents the range of values within which the true value is expected to fall with 95% certainty."], "dimensions": {"years": {"values": [{"id": 1850}, {"id": 1851}, {"id": 1852}, {"id": 1853}, {"id": 1854}, {"id": 1855}, {"id": 1856}, {"id": 1857}, {"id": 1858}, {"id": 1859}, {"id": 1860}, {"id": 1861}, {"id": 1862}, {"id": 1863}, {"id": 1864}, {"id": 1865}, {"id": 1866}, {"id": 1867}, {"id": 1868}, {"id": 1869}, {"id": 1870}, {"id": 1871}, {"id": 1872}, {"id": 1873}, {"id": 1874}, {"id": 1875}, {"id": 1876}, {"id": 1877}, {"id": 1878}, {"id": 1879}, {"id": 1880}, {"id": 1881}, {"id": 1882}, {"id": 1883}, {"id": 1884}, {"id": 1885}, {"id": 1886}, {"id": 1887}, {"id": 1888}, {"id": 1889}, {"id": 1890}, {"id": 1891}, {"id": 1892}, {"id": 1893}, {"id": 1894}, {"id": 1895}, {"id": 1896}, {"id": 1897}, {"id": 1898}, {"id": 1899}, {"id": 1900}, {"id": 1901}, {"id": 1902}, {"id": 1903}, {"id": 1904}, {"id": 1905}, {"id": 1906}, {"id": 1907}, {"id": 1908}, {"id": 1909}, {"id": 1910}, {"id": 1911}, {"id": 1912}, {"id": 1913}, {"id": 1914}, {"id": 1915}, {"id": 1916}, {"id": 1917}, {"id": 1918}, {"id": 1919}, {"id": 1920}, {"id": 1921}, {"id": 1922}, {"id": 1923}, {"id": 1924}, {"id": 1925}, {"id": 1926}, {"id": 1927}, {"id": 1928}, {"id": 1929}, {"id": 1930}, {"id": 1931}, {"id": 1932}, {"id": 1933}, {"id": 1934}, {"id": 1935}, {"id": 1936}, {"id": 1937}, {"id": 1938}, {"id": 1939}, {"id": 1940}, {"id": 1941}, {"id": 1942}, {"id": 1943}, {"id": 1944}, {"id": 1945}, {"id": 1946}, {"id": 1947}, {"id": 1948}, {"id": 1949}, {"id": 1950}, {"id": 1951}, {"id": 1952}, {"id": 1953}, {"id": 1954}, {"id": 1955}, {"id": 1956}, {"id": 1957}, {"id": 1958}, {"id": 1959}, {"id": 1960}, {"id": 1961}, {"id": 1962}, {"id": 1963}, {"id": 1964}, {"id": 1965}, {"id": 1966}, {"id": 1967}, {"id": 1968}, {"id": 1969}, {"id": 1970}, {"id": 1971}, {"id": 1972}, {"id": 1973}, {"id": 1974}, {"id": 1975}, {"id": 1976}, {"id": 1977}, {"id": 1978}, {"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1984}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}, {"id": 2025}]}, "entities": {"values": [{"id": 36403, "name": "Northern Hemisphere", "code": null}, {"id": 36404, "name": "Southern Hemisphere", "code": null}, {"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 3573, "titleSnapshot": "Hadley Centre's Sea Surface Temperature (HadSST) - World", "title": "Hadley Centre's Sea Surface Temperature (HadSST)", "producer": "Met Office Hadley Centre", "citationFull": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST).\n\nKennedy, J. J., Rayner, N. A., Atkinson, C. P., & Killick, R.\nE. (2019). An ensemble data set of sea-surface temperature change from 1850:\nthe Met Office Hadley Centre HadSST.4.0.0.0 data set. Journal of Geophysical\nResearch: Atmospheres, 124. https://doi.org/10.1029/2018JD029867", "attribution": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST) (2025)", "attributionShort": "Met Office", "versionProducer": "4.1.1.0", "urlMain": "https://www.metoffice.gov.uk/hadobs/hadsst4/", "urlDownload": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/data/HadSST.4.1.1.0_monthly_GLOBE.csv", "dateAccessed": "2025-05-22", "datePublished": "2025-05-20", "license": {"url": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/download.html", "name": "Open Government Licence v3"}}, {"id": 3574, "titleSnapshot": "Hadley Centre's Sea Surface Temperature (HadSST) - Northern hemisphere", "title": "Hadley Centre's Sea Surface Temperature (HadSST)", "producer": "Met Office Hadley Centre", "citationFull": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST).\n\nKennedy, J. J., Rayner, N. A., Atkinson, C. P., & Killick, R.\nE. (2019). An ensemble data set of sea-surface temperature change from 1850:\nthe Met Office Hadley Centre HadSST.4.0.0.0 data set. Journal of Geophysical\nResearch: Atmospheres, 124. https://doi.org/10.1029/2018JD029867", "attribution": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST) (2025)", "attributionShort": "Met Office", "versionProducer": "4.1.1.0", "urlMain": "https://www.metoffice.gov.uk/hadobs/hadsst4/", "urlDownload": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/data/HadSST.4.1.1.0_monthly_NHEM.csv", "dateAccessed": "2025-05-22", "datePublished": "2025-05-20", "license": {"url": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/download.html", "name": "Open Government Licence v3"}}, {"id": 3576, "titleSnapshot": "Hadley Centre's Sea Surface Temperature (HadSST) - Southern hemisphere", "title": "Hadley Centre's Sea Surface Temperature (HadSST)", "producer": "Met Office Hadley Centre", "citationFull": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST).\n\nKennedy, J. J., Rayner, N. A., Atkinson, C. P., & Killick, R.\nE. (2019). An ensemble data set of sea-surface temperature change from 1850:\nthe Met Office Hadley Centre HadSST.4.0.0.0 data set. Journal of Geophysical\nResearch: Atmospheres, 124. https://doi.org/10.1029/2018JD029867", "attribution": "Met Office Hadley Centre - Hadley Centre's Sea Surface Temperature (HadSST) (2025)", "attributionShort": "Met Office", "versionProducer": "4.1.1.0", "urlMain": "https://www.metoffice.gov.uk/hadobs/hadsst4/", "urlDownload": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/data/HadSST.4.1.1.0_monthly_SHEM.csv", "dateAccessed": "2025-05-22", "datePublished": "2025-05-20", "license": {"url": "https://www.metoffice.gov.uk/hadobs/hadsst4/data/download.html", "name": "Open Government Licence v3"}}]}