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Map of global diurnal temperature range over land from 1951 to 1980. In meteorology, diurnal temperature variation is the variation between a high air temperature and a low temperature that occurs during the same day.
A diurnal cycle (or diel cycle) is any pattern that recurs every 24 hours as a result of one full rotation of the planet Earth around its axis. [1] Earth's rotation causes surface temperature fluctuations throughout the day and night, as well as weather changes throughout the year. The diurnal cycle depends mainly on incoming solar radiation. [2]
The normal human body temperature range is typically stated as 36.5–37.5 °C (97.7–99.5 °F). ... Diurnal variation in body temperature, ranging from about 37.5 ...
As observed by the Viking spacecraft from the surface, [30] "during a global dust storm the diurnal temperature range narrowed sharply, from 50°C to about 10°C, and the wind speeds picked up considerably—indeed, within only an hour of the storm's arrival they had increased to 17 m/s (61 km/h), with gusts up to 26 m/s (94 km/h). Nevertheless ...
The variation in temperature that occurs from the highs of the day to the cool of nights is called diurnal temperature variation. Temperature ranges can also be based on periods of a month or a year. The size of ground-level atmospheric temperature ranges depends on several factors, such as: Average air temperature; Average humidity
Deserts are known for their high diurnal temperature range, with hot days that can turn surprisingly cold in the winter, including in cities like Phoenix and Las Vegas. The Sahara Desert is ...
Temperature range may refer to: ... Diurnal temperature variation; Operating temperature; Temperature; Thermal amplitude of the human body; Thermoregulation
Here, it is φ latitude, λ longitude, and t time, ω a the angular frequency of one year, ω d the angular frequency of one solar day, and τ = ω d t + λ the local time. t a = June 21 is the date of northern summer solstice, and τ d = 15:00 is the local time of maximum diurnal temperature.