Aviation Digital Data Service (ADDS)

Output produced by METARs form (0515 UTC 13 August 2013)
found at http://aviationweather.gov/adds/metars/
 
 
KSFO 130309Z 1303/1406 28015KT P6SM FEW003 
     FM130500 29006KT P6SM FEW003 
     TEMPO 1312/1316 29005KT P6SM BKN005 
     FM132000 29016KT P6SM FEW008 
     FM140400 29012KT P6SM FEW008