Skip to navigation Skip to main content Skip to footer

The Weather Files ❲FHD❳

A primary source for thousands of international weather locations.

The .epw (EnergyPlus Weather) format is a global standard developed by the U.S. Department of Energy . Other common versions include TMY3 and IWEC files. The Weather Files

Direct and diffuse solar intensity, critical for calculating heat gain. A primary source for thousands of international weather

These files help predict how cooling demands might increase and heating demands decrease as global temperatures rise. 4. Sourcing & Global Repositories The Weather Files

Reliable weather data is available through several major repositories:

These are the most common files, created by statistically selecting the 12 most "typical" months from a multi-year period (often 10–30 years).