Design Conditions Finder

Extract empirical heating and cooling conditions from the hourly distribution in an EPW.

1 — Weather file

Drop an .epw file here, or click to choose

2 — Calculate

3 — Hourly percentile conditions

Condition	Dry bulb	Nearest hour	Dew point	RH	Wind	GHI	DNI

Representative days

These are empirical conditions from this EPW, not a replacement for an official ASHRAE design-day dataset or a generated DDY file.