Aviation Digital Data Service (ADDS)

Output produced by METARs form (0814 UTC 21 November 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KBOS 210537Z 2106/2212 29012G22KT P6SM SCT070 
     FM211500 29018G26KT P6SM FEW250 
     FM220400 29010G20KT P6SM SKC 
     FM220900 27008KT P6SM FEW140