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[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
The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [1]
The average July high is about 104 °F (40 °C), with the average January low being about 36 °F (3 °C), still above freezing. Bestplaces gives Metropolitan Phoenix a comfort index [a] of 44/100, which is also the national average. [23] Below is a chart showing climate data collected from Sky Harbor Airport. Due to the vast area covered by the ...
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Station model plots use an internationally accepted coding convention that has changed little since August 1, 1941. Elements in the plot show the key weather elements, including temperature, dew point, wind, cloud cover, air pressure, pressure tendency, and precipitation. [2] [3]
A weather map, also known as synoptic weather chart, displays various meteorological features across a particular area at a particular point in time and has various symbols which all have specific meanings. [1] Such maps have been in use since the mid-19th century and are used for research and weather forecasting purposes.
ASOS DTS-1 dew point sensor. In contrast, the dew point measurement is considerably more complex. The original dew point sensor deployed on ASOS systems utilized a chilled mirror that is cooled to the point where a fine film of condensation forms on the mirror's surface. The temperature of the mirror at this condition is equal to the dew point ...
The major use for skew-T log-P diagrams is the plotting of radiosonde soundings, which give a vertical profile of the temperature and dew point temperature throughout the troposphere and lower stratosphere.