News Brief

ASHRAE Develops World Climate Zone Maps

Standard 169-2013 expands its dataset globally and adds a new zone for extremely hot climates.

“With this major revision, Standard 169 now includes climate zone maps for the entire world, as opposed to the 2006 standard, which only included a U.S. climate zone map,” according to Dru Crawley, chair of the committee that wrote the standard. “This allows users outside the U.S. to more easily determine which climate zone their location is in.”

Information provided for each location includes enthalpy, humidity ration, wind conditions, solar irradiation, elevation, and dry-bulb, wet-bulb, and dew point temperatures. The reference standard also includes statistical data, such as mean temperatures, daily ranges, degree hours, and seasonal percentages within ranges of temperatures.

In addition, Climate Zone 0 is newly incorporated into the standard for “extremely hot” settings. Humid and dry zones are separated into 0A and 0B, respectively. Updated climate data in Standard 169-2013 is a result of the data-gathering efforts from ASHRAE Research project 1453.

For more information:

ASHRAE bookstore

techstreet.com/ashrae/

Published February 3, 2014

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