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  2. Six's thermometer - Wikipedia

    en.wikipedia.org/wiki/Six's_thermometer

    Six's maximum and minimum thermometer is a registering thermometer that can record the maximum and minimum temperatures reached over a period of time, for example 24 hours. It is used to record the extremes of temperature at a location, for instance in meteorology and horticulture. It was invented by the British scientist James Six, in 1780; [1 ...

  3. 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.

  4. 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. 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 increased ...

  5. Heat index - Wikipedia

    en.wikipedia.org/wiki/Heat_index

    The heat index ( HI) is an index that combines air temperature and relative humidity, in shaded areas, to posit a human-perceived equivalent temperature, as how hot it would feel if the humidity were some other value in the shade. For example, when the temperature is 32 °C (90 °F) with 70% relative humidity, the heat index is 41 °C (106 °F ...

  6. Tomorrow.io - Wikipedia

    en.wikipedia.org/wiki/Tomorrow.io

    Tomorrow.io (formerly ClimaCell; legally known as The Tomorrow Companies Inc.) is an American weather technology company. It provides real-time weather forecasting services and APIs. It provides real-time weather forecasting services and APIs.

  7. Probability of precipitation - Wikipedia

    en.wikipedia.org/wiki/Probability_of_precipitation

    Probability of precipitation ( PoP) is a commonly used term referring to the likelihood of precipitation falling in a particular area over a defined period of time, which is commonly a day, half day, or hour. The PoP measure is meaningless unless it is associated with an interval of time. Forecasts commonly use PoP defined over 12-hour periods ...

  8. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    In hot summer weather, a rise in relative humidity increases the apparent temperature to humans (and other animals) by hindering the evaporation of perspiration from the skin. For example, according to the heat index , a relative humidity of 75% at air temperature of 80.0 °F (26.7 °C) would feel like 83.6 ± 1.3 °F (28.7 ± 0.7 °C).

  9. Climate of Delhi - Wikipedia

    en.wikipedia.org/wiki/Climate_of_Delhi

    47. Average max. and min. temperatures in °F. Precipitation totals in inches. Delhi features a dry winter humid subtropical climate ( Köppen Cwa) bordering a hot semi-arid climate ( Köppen BSh ), with high variation between summer and winter temperatures and precipitation. Delhi's version of a humid subtropical climate is markedly different ...