The — Weather Files

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.

Tools like the WeatherShift™ tool use climate model projections to adjust historical files for future decades (e.g., 2050 or 2080).

Reliable weather data is available through several major repositories: The Weather Files

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

There are two primary categories of weather files used to analyze building energy demand and resilience: Tools like the WeatherShift™ tool use climate model

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

A primary source for thousands of international weather locations. Sourcing & Global Repositories There are two primary

A widely cited repository for updated TMYx files and climate change data.