Reliable weather data is available through several major repositories:
Many countries provide localized data, such as the Building Performance site for Aotearoa New Zealand. An In-Depth Look at Weather Files - ClimateData.ca The Weather Files
As the climate shifts, historical data (TMY) may become less representative of a building's future lifespan. Engineers now use to "future-proof" designs. Reliable weather data is available through several major
There are two primary categories of weather files used to analyze building energy demand and resilience: The Weather Files