TMY stands for "typical meteorological year" and is a widely used type of data available through the NSRDB. TMYs contain one year of hourly data that best represents median weather conditions over …

Fill in the simple form now to protect your TMY-branded product under TMY 1-year warranty and 30-day money-back guarantee (including return shipping).

Typical meteorological year (TMY) is a collation of selected weather data for a specific location, listing hourly values of solar radiation and meteorological elements for a one-year period.

TMY, or Typical Meteorological Year, data is a year-long synthetic historical time series that has realistic physical variation in irradiance and that matches expected long-term total solar irradiance.

TMY, standing for ‘typical meteorological year’ can be a file format in itself, though most commonly refers to a methodology being used to create the files, which are most often stored in an EPW …

Discover TMY projectors — compact, powerful, and easy to use. Enjoy stunning visuals anywhere, from cozy movie nights to outdoor adventures.

“TMY” weather files are designed to represent a “Typical Year” of weather at a particular location. This is done by looking at a multiple-year history and selecting the most typical data for each month.