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English: This chart represents the acceptable combination of air temperature and humidity values, according to the PMV/PPD method in the ASHRAE 55-2010 Standard. The representation is made on a temperature-relative humidity, instead of a standard psychrometric chart. The comfort zone in blue represents the 90% of acceptability, which means the ...
Heating degree day. Heating degree day (HDD) is a measurement designed to quantify the demand for energy needed to heat a building. HDD is derived from measurements of outside air temperature. The heating requirements for a given building at a specific location are considered to be directly proportional to the number of HDD at that location.
The city's all-time recorded high temperature is 113 °F (45 °C) during the Heat Wave of 1980. In July and August, the average high temperature is near 96 °F (36 °C), while the average nighttime low temperature is around 77 °F (25 °C). Days with temperatures exceeding 100 °F (38 °C) happen at least several times during the summer every year.
Absolute humidity is the total mass of water vapor present in a given volume or mass of air. It does not take temperature into consideration. Absolute humidity in the atmosphere ranges from near zero to roughly 30 g (1.1 oz) per cubic metre when the air is saturated at 30 °C (86 °F).
v. t. e. 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 ...
Metric conversion. Phoenix has a hot desert climate (Köppen: BWh), [1][2] typical of the Sonoran Desert, and is the largest city in America in this climatic zone. [3] Phoenix has long, extremely hot summers and short, mild winters. The city is within one of the world's sunniest regions, with its sunshine duration comparable to the Sahara region.
The storm caused damage to 9,000 homes, killed two people, and caused $27 million in damage. Some areas in the southern metro area recorded 11 inches (279 mm) of rain. [ 16 ] The 9.15 inches (232 mm) that fell on July 23 is the largest official single-day rainfall for the Twin Cities. [ 17 ]
Wednesday will be reminiscent of a summer day in July or August with plenty of heat, humidity and temperatures near 90 degrees.