Then, the longer names:
Date,HH:MM,Datasource,Dry Bulb Temperature {C},Dew Point Temperature {C},Relative Humidity {%},Atmospheric Pressure {Pa},Extraterrestrial Horizontal Radiation {Wh/m2},Extraterrestrial Direct Normal Radiation {Wh/m2},Horizontal Infrared Radiation Intensity from Sky {Wh/m2},Global Horizontal Radiation {Wh/m2},Direct Normal Radiation {Wh/m2},Diffuse Horizontal Radiation {Wh/m2},Global Horizontal Illuminance {lux},Direct Normal Illuminance {lux},Diffuse Horizontal Illuminance {lux},Zenith Luminance {Cd/m2},Wind Direction {deg},Wind Speed {m/s},Total Sky Cover {.1},Opaque Sky Cover {.1},Visibility {km},Ceiling Height {m},Present Weather Observation,Present Weather Codes,Precipitable Water {mm},Aerosol Optical Depth {.001},Snow Depth {cm},Days Since Last Snow,Albedo {.01},Liquid Precipitation Depth {mm},Liquid Precipitation Quantity {hr}
As noted previously, these headers and data are in the identical order to the items in the EPW records. Then the data is shown:

Morphic transformations of the reference year 

Attachments

Glossary

  1. DDY: it is the extension for Climatic Data files and it means Design Day Year)
  2. STAT: it is the extension for Climatic Data files and it means "statistics" and it is referred to EnergyPlus weather data
  3. EPW: means EnergyPlus weather file
  4. TRY: Test Reference Year
  5. CSV: comma separated values" format
  6. TMY (TMY2): Typical Meteorological Year
  7. WYEC2: Weather Year for Energy Calculations
  8. FTMY: future Typical Meteorological Year