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                    DATA FORMAT

  Characters             Item

  1 - 2  year (e.g. 67)
  3 - 4  month (i.e. 1 - 12)
  5 - 6  day (i.e. 1 - 31)
  7 - 8  hour standard (i.e. 0-23, 0 = midnight)
  9 - 13 dry bulb temperature (10-1 degC) eg. 321
 14 - 16 relative humidity (%), eg. 87
 17 - 19 wind speed (knots) eg. 11
 20 - 22 wind direction (0-16; 00 = CALM.  01 = NNE ,...,16 = N
 23 - 24 total cloud cover  (oktas, 0 - 8), 0 = cloudless
 25 - 28 direct solar irradiance on a horizontal surface ((W/m2), eg. 115
 29 - 32 diffuse solar irradiance on a horizontal surface (W/m2), eg.  21
 33 - 36 direct solar irradiance on a surface normal to the beam ((W/m2),eg 242

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