Aviation Digital Data Service (ADDS)

Output produced by METARs form (2122 UTC 30 July 2015)
found at http://aviationweather.gov/adds/metars/
 
KSFO 302056Z 3021/3124 30017KT P6SM FEW010 SCT150 
     FM310400 30010KT P6SM FEW010 SCT200 
     FM310600 28007KT P6SM OVC008 
     FM311700 VRB05KT P6SM FEW010 
     FM312100 29016KT P6SM FEW012