Aviation Digital Data Service (ADDS)

Output produced by METARs form (1236 UTC 29 August 2015)
found at http://aviationweather.gov/adds/metars/
 
KBOS 291120Z 2912/3018 26004KT P6SM FEW250 
     FM291700 14006KT P6SM FEW250 
     FM292000 19010KT P6SM SCT050 
     FM292200 19010KT P6SM FEW200 
     FM300400 23009KT P6SM SCT200 
     FM301500 27007KT P6SM BKN110