Aviation Digital Data Service (ADDS)

Output produced by METARs form (1722 UTC 09 December 2016)
found at http://aviationweather.gov/adds/metars/
 
KBOS 091127Z 0912/1018 27011G20KT P6SM FEW050 
     FM091500 29014G27KT P6SM FEW050 
     FM100500 30011G24KT P6SM FEW040