Aviation Digital Data Service (ADDS)

Output produced by METARs form (0302 UTC 23 October 2014)
found at http://aviationweather.gov/adds/metars/
 
KSFO 222339Z 2300/2406 30008KT P6SM BKN200 
     FM230300 27008KT P6SM BKN250 
     FM231000 26003KT P6SM BKN015 
     FM231800 29009KT P6SM FEW008 SCT015 OVC100