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[EnergyPlus_Support] ASHRAE IWEC2 weather data available online for 3,012 international locations

ASHRAE's International Weather for Energy Calculations 2.0 (IWEC2) were completed in Dec.  
2011 to provide "typical year" weather files of 3,012 international locations outside the 
US and Canada specifically for use in building energy calculations.

The IWEC2 files were derived from the Integrated Surface Database (ISD), a massive archive 
of weather reports from around the world maintained by the US National Climatic Data 
Center (NCDC). For each IWEC2 location, there must be observations at least four times per 
day of wind speed and direction, sky cover, and dry-bulb and dew-point temperature for 12 
years up to 25 years of record.  In addition, there are also data on atmospheric pressure, 
visibility, ceiling height, liquid precipitation, and Present Weather.

Considerable effort was devoted to deriving hourly solar radiation using the best 
available solar models which are calibrated against measured data from the World Radiation 
Data Center (WRDC). Consequently, the IWEC2 files probably have the most comprehensive and 
reliable weather data possible for these locations.

For a complete list of the 3,012 IWEC2 locations, go to 
www.whiteboxtechnologies.com/IWEC2_locations.txt

The entire set of IWEC2 weather files in CSV format is available at 
www.techstreet.com/ashrae/products/1823067 .

ASHRAE, in collaboration with White Box Technologies, also provides instant web access to 
the IWEC2 weather files for individual purchase, sets by country or region, or even the 
entire set, in three formats (CSV, EPW, and BINM).

To see the various online options for IWEC2 weather files,  go to:
http://ashrae.whiteboxtechnologies.com and use either "Search by Google Earth" or "Search 
by List".

Joe
Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
yjhuang@xxxxxxxxxxxxxxxxxxxxxxxx
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"





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Posted by: Joe Huang <yjhuang@xxxxxxxxxxxxxxxxxxxxxxxx>
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