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Flagstaff, AZ Add / Edit. Mostly Cloudy ... 20 ° F-7 ° C. 32 ° F 0 ° C. 15 ° F-9 ° C. 71%. 7:28AM Sunrise. 81% Humidity. 29.93 in Pressure ... storm system is set to sweep across the U.S ...
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Get the Flagstaff, AZ local weather forecast by the hour and the next 10 days. ... 32% Humidity. 30.11 in Pressure--UV Index. 6:01PM Sunset. 8 mph F 13 km/h C Wind. 15 ...
T w = Natural wet-bulb temperature (combined with dry-bulb temperature indicates humidity) T g = Globe thermometer temperature (measured with a globe thermometer, also known as a black globe thermometer) T d = Dry-bulb temperature (actual air temperature) Temperatures may be in either Celsius or Fahrenheit; Indoors the following formula is used:
Annual average humidity values vary from 55% in Flagstaff to 23% in Yuma. Due to the high temperatures, low humidity, and occurrence of sunshine, Arizona has high rates of evaporation. Average annual lake evaporation varies from about 80 inches (2,000 mm) in the southwestern part of the state to about 50 inches (1,300 mm) in the northeast. [4]
The humidity adjustment approximately amounts to one Fahrenheit degree for every millibar by which the partial pressure of water in the atmosphere exceeds 10 millibars (10 hPa). At the time the humidex was originally developed in 1965, Canada was still on the Fahrenheit scale , and thus the humidex was originally based on that.
[16] [20] On average, dew points range from 31 °F (−1 °C) in April to 58 °F (14 °C) in August. [21] Occasionally, dew points can drop as low as 0 °F (−18 °C), or they can exceed 70 °F (21 °C) during periods of strong monsoon activity—creating muggy conditions in the area. [22] [16] [23] Fire-damaged saguaro cactus near Phoenix
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