Aviation Digital Data Service (ADDS)

Output produced by METARs form (0753 UTC 30 January 2015)
found at http://aviationweather.gov/adds/metars/
 
KSFO 300535Z 3006/3112 28012KT P6SM SKC 
     FM300900 30005KT 6SM BR SCT006 
     FM301400 28004KT 2SM BR BKN005 
     FM301800 30005KT 5SM BR FEW010 
     FM302000 29011KT P6SM FEW012 
     FM310500 30005KT P6SM FEW010