Building energy simulations require weather data as an essential input, and modelers have been searching for weather data for as long as building simulations have been done. White Box Technologies (WBT) now provides instant access via the Web to both "typical year" and historical year weather files created from weather reports of over 10,000 official weather stations around the world going back thirty years to as recent as a week ago. This website has been created by a long-time building energy modeler specifically to meet the weather data needs of the building energy simulation community.
For typical year weather data, this website features ASHRAE's IWEC2 weather files for 3,012 international locations outside of the US and Canada, TMY3 weather files for 1,020 US locations, CWEC2 for 175 Canadian locations, and CZ2010 for 86 California locations. The IWEC2 weather files cost $35/file, the other sets are public data and provided free of charge.
For historical weather data, this website contains weather files from 1757 to 2012 for over 10,000 locations around the world, including over 1,500 US and 300 Canadian locations. Weather files for earlier years can also be generated on request at the same price of $50/file.
For more information on the origin of these files, see About the Data.
Searching for a weather station can be done either by filtered lists or by using Google Earth©, with the stations shown as colored dots located at the geographical coordinates listed in the ISH inventory. See How to Select With GE for details.
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