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  2. Climate Clock - Wikipedia

    en.wikipedia.org/wiki/Climate_Clock

    The Climate Clock is a graphic to demonstrate how quickly the planet is approaching 1.5 °C of global warming, given current emissions trends. [ 1] It also shows the amount of CO 2 already emitted, and the global warming to date. The Climate Clock was launched in 2015 to provide a measuring stick against which viewers can track climate change ...

  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. Celsius - Wikipedia

    en.wikipedia.org/wiki/Celsius

    Anders Celsius's original thermometer used a reversed scale, with 100 as the freezing point and 0 as the boiling point of water.. In 1742, Swedish astronomer Anders Celsius (1701–1744) created a temperature scale that was the reverse of the scale now known as "Celsius": 0 represented the boiling point of water, while 100 represented the freezing point of water. [5]

  5. Temperature measurement - Wikipedia

    en.wikipedia.org/wiki/Temperature_measurement

    Temperature measurement. A medical/clinical thermometer showing the temperature of 38.7 °C (101.7 °F) Temperature measurement (also known as thermometry) describes the process of measuring a current temperature for immediate or later evaluation. Datasets consisting of repeated standardized measurements can be used to assess temperature trends.

  6. U.S. state and territory temperature extremes - Wikipedia

    en.wikipedia.org/wiki/U.S._state_and_territory...

    The following table lists the highest and lowest temperatures recorded in the 50 U.S. states, the District of Columbia, and the 5 inhabited U.S. territories during the past two centuries, in both Fahrenheit and Celsius. [ 1] If two dates have the same temperature record (e.g. record low of 40 °F or 4.4 °C in 1911 in Aibonito and 1966 in San ...

  7. Climate of Chicago - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Chicago

    The lowest temperature recorded during meteorological winter is −27 °F (−33 °C), set on January 20, 1985. In addition, the all-time record low maximum temperature of −11 °F (−24 °C) was set on December 24, 1983, and tied on January 18, 1994.

  8. Atmospheric temperature - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_temperature

    Average yearly temperature is 22.4 °C, ranging from an average minimum of 12.2 °C to a maximum of 29.9 °C. The average temperature range is 11.4 °C. [ 6] Variability throughout the year is small (standard deviation of 2.31 °C for the maximum monthly average and 4.11 °C for the minimum). The graph also shows the typical phenomenon of ...

  9. Warming stripes - Wikipedia

    en.wikipedia.org/wiki/Warming_stripes

    Warming stripes. An early (2018) warming stripes graphic published by their originator, climatologist Ed Hawkins. [ 1] The progression from blue (cooler) to red (warmer) stripes portrays annual increases of global average temperature since 1850 (left side of graphic) until the date of the graphic (right side). [ 2]