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From January to September, the global mean temperature was 1.40 °C higher than the pre-industrial average (1850–1900). [18] January 2023 was the seventh warmest on record – 0.25 °C warmer than the normal but 0.33 °C cooler than January 2020. [19] In July, the global average temperature was 17.32 °C (63.17 °F). [20]
The following is a list of weather events that occurred on Earth in the year 2023. The year saw a transition from La Niña to El Niño, with record high global average surface temperatures. The several weather events which had a significant impact were blizzards, cold waves, droughts, heat waves, wildfires, floods, tornadoes, and tropical cyclones.
Projected global surface temperature changes relative to 1850–1900, based on CMIP6 multi-model mean changes. The IPCC Sixth Assessment Report defines global mean surface temperature (GMST) as the "estimated global average of near-surface air temperatures over land and sea ice, and sea surface temperature (SST) over ice-free ocean regions, with changes normally expressed as departures from a ...
The warmest day on record for the entire planet was 22 July 2024 when the highest global average temperature was recorded at 17.16 °C (62.89 °F). [20] The previous record was 17.09 °C (62.76 °F) set the day before on 21 July 2024. [20] The month of July 2023 was the hottest month on record globally. [21]
HadCRUT3 is the third major revision of this dataset, combining the CRUTEM3 land surface air temperature dataset with the HadSST2 sea surface temperature dataset. First published in 2006, this initially spanned the period 1850–2005, but has since been regularly updated to 2012. Its spatial grid boxes are 5° of latitude and longitude.
The Global Historical Climatology Network (GHCN) is a data set of temperature, precipitation and pressure records managed by the National Climatic Data Center (NCDC), Arizona State University and the Carbon Dioxide Information Analysis Center. The aggregate data are collected from many continuously reporting fixed stations at the Earth's ...
17 May: the WMO Global Annual to Decadal Climate Update projected that the chance of global near-surface temperature exceeding 1.5 °C above preindustrial levels for at least one year between 2023 and 2027 is 66%, though it is unlikely (32%) that the five-year mean will exceed 1.5 °C. [123]
The 2023-2024 El Niño event was rated "strong", and contributed to a record-breaking global average surface temperature for the July 2023 to June 2024 time period.