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Higher than normal temperatures are shown in red and lower then normal temperatures are shown in blue. The final frame represents the global temperatures 5-year averaged from 2014 through 2018. Scale in degree Celsius." "These calculations produce the global average temperature deviations from the baseline period of 1951 to 1980."
Series of reliable temperature measurements in some regions began in the 1850—1880 time frame (this is called the instrumental temperature record). The longest-running temperature record is the Central England temperature data series, which starts in 1659. The longest-running quasi-global records start in 1850. [3]
The decertification of the former record in Libya has since cast doubt on the validity of the 1913 recording. [7] If the 1913 record were to be decertified, the highest established recorded air temperature on Earth would be 54.0 °C (129.2 °F), also recorded in Death Valley on 20 June 2013, and in Mitribah, Kuwait on 21 July 2016. [8]
Scientists have compared this year’s weather extremes to “a disaster movie,” and new data is now revealing just how exceptional the global heat has been. Humanity just lived through the ...
Global average temperatures and CO₂ levels continue to soar. May was Earth's 12th consecutive hottest month on record, officials announced this week.
This week’s global temperature records are probably the warmest in at least 100,000 years, one climate scientist explained. The planet saw its hottest day on record this week. It’s a record ...
English: Warming stripes graphic comparing different datasets of Global Mean Surface Temperature (GMST). General concept of warming stripes was developed by Ed Hawkins (climatologist) Five data sources for five datasets are listed at File:20200324 Global average temperature - NASA-GISS HadCrut NOAA Japan BerkeleyE.svg
Data are provided as temperature anomalies against the seasonal average over a past basis period, as well as in absolute temperature values. The baseline period for the published temperature anomalies was changed in January 2021 from 1981-2010 to 1991-2020. [4] All the data products can be downloaded from the UAH server. [5]