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  2. Global Historical Climatology Network - Wikipedia

    en.wikipedia.org/wiki/Global_Historical...

    The initial version of Global Historical Climatology Network was developed in the summer of 1992. [3] This first version, known as Version 1 was a collaboration between research stations and data sets alike to the World Weather Records program and the World Monthly Surface Station Climatology from the National Center for Atmospheric Research. [4]

  3. Global surface temperature - Wikipedia

    en.wikipedia.org/wiki/Global_surface_temperature

    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 ...

  4. List of countries by average yearly temperature - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a list of countries and sovereign states by temperature. Average yearly temperature is calculated by averaging the minimum and maximum daily temperatures in the country, averaged for the years 1991 – 2020, from World Bank Group , derived from raw gridded climatologies from the Climatic Research Unit .

  5. File:800,000-, 2,000-, 139-year global average temperature.png

    en.wikipedia.org/wiki/File:800,000-,_2,000-,_139...

    Top chart: Earth's climate has cycled between ice ages and warm interglacial periods, with each cycle taking tens of thousands of years or more. Middle chart: Global average temperature was in a cooling trend for thousands of years before fossil fuel based industrialization. Since then, it has increased about a full 1°C—in a time period less ...

  6. List of weather records - Wikipedia

    en.wikipedia.org/wiki/List_of_weather_records

    A world map showing areas with ... was 22 July 2024 when the highest global average temperature was recorded ... land pressure readings were ...

  7. File:Key to world map showing surface temperature trends ...

    en.wikipedia.org/wiki/File:Key_to_world_map...

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  8. Temperature record of the last 2,000 years - Wikipedia

    en.wikipedia.org/wiki/Temperature_record_of_the...

    The temperature on land rose by 1.59 °C while over the ocean it rose by 0.88 °C. [3] In 2020 the temperature was 1.2 °C above the pre-industrial era. [4] In September 2023 the temperature was 1.75 °C above pre-industrial level and during the entire year of 2023 is expected to be 1.4 °C above it. [5]

  9. Weather map - Wikipedia

    en.wikipedia.org/wiki/Weather_map

    In addition to surface weather maps, weather agencies began to generate constant pressure charts. In 1948, the United States began the Daily Weather Map series, which at first analyzed the 700 hPa level, which is around 3,000 metres (9,800 ft) above sea level . [ 13 ]