Climatic Information
ASHRAE Technical Committee 4.2

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ASHRAE RP-1847, “Updating Climatic Design Information for the 2021 ASHRAE Handbook, Standard 169, and the Handbook of Smoke Control Engineering", is now complete. Please check for the data in Chapter 14 of the Handbook - Fundamentals, and in the new online Weather Data Viewer, available at weather.ashrae.org. Please refer to the ASHRAE Climate Data Center for all these products. The map of all 9,237 sites for which climatic design information is available is available through the following link: https://xp20.ashrae.org/StationFinder/StationFinder.htm