Aviation Digital Data Service (ADDS)

Output produced by METARs form (1109 UTC 26 July 2014)
found at http://aviationweather.gov/adds/metars/
 
KSFO 260908Z 2609/2712 28006KT P6SM FEW010 
     FM262100 29017KT P6SM SKC 
     FM270400 28008KT P6SM FEW007 
     FM271000 27005KT P6SM BKN008