Aviation Digital Data Service (ADDS)

Output produced by METARs form (2333 UTC 25 October 2014)
found at http://aviationweather.gov/adds/metars/
 
KSFO 252320Z 2600/2706 23015KT P6SM SCT030 BKN050 
     FM260200 26010KT P6SM SCT030 
     FM260600 27004KT P6SM FEW030 
     FM262100 30016KT P6SM SKC 
     FM270300 29010KT P6SM SKC