Aviation Digital Data Service (ADDS)

Output produced by METARs form (0424 UTC 24 September 2014)
found at http://aviationweather.gov/adds/metars/
 
KBOS 232322Z 2400/2506 28008KT P6SM FEW250 
     FM240500 34005KT P6SM FEW250 
     FM241100 04006KT P6SM FEW250 
     FM241600 09010KT P6SM FEW050 
     FM250100 12006KT P6SM SCT250