Aviation Digital Data Service (ADDS)

Output produced by METARs form (0207 UTC 21 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KSFO 202330Z 2100/2206 28014KT P6SM SCT028 SCT060 BKN090 
     FM210400 27009KT P6SM FEW010 SCT060 
     FM211200 28005KT P6SM FEW015 
     FM212100 28015KT P6SM SKC 
     FM220300 28006KT P6SM SKC