Aviation Digital Data Service (ADDS)

Output produced by METARs form (2205 UTC 28 May 2017)
found at http://aviationweather.gov/adds/metars/
 
KSFO 282103Z 2821/2924 29019KT P6SM FEW012 
     FM290200 27010KT P6SM SCT010 
     FM290400 27008KT P6SM OVC010 
     FM291900 29016KT P6SM SCT010