Aviation Digital Data Service (ADDS)

Output produced by METARs form (2326 UTC 01 September 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KSFO 012106Z 0121/0224 29015G21KT P6SM SKC 
     FM020400 29008KT P6SM FEW010 
     FM020900 29006KT P6SM SCT010 
     FM022100 29015KT P6SM SKC