METAR

Weather data is transmitted in a code called METAR.

SPECI = automated METAR

Sky Condition

AcronymExplanation
CLRSky Clear (AWOS Report)
SKCSky Clear; no cloud present
FEWFew (2/8 of sky covered)
SCTScattered (3-4/8)
BKNBroken (5-7/8)
OVCOvercast (8/8)