The Weather Files May 2026

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

A primary source for thousands of international weather locations. The Weather Files

There are two primary categories of weather files used to analyze building energy demand and resilience: These files help predict how cooling demands might

Direct and diffuse solar intensity, critical for calculating heat gain. The Weather Files

These contain data from a specific, real-world year. They are essential for calibrating building models against actual utility bills or performance data. 2. Core Data Components

Speed and direction to estimate natural ventilation and infiltration.

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