Aviation Digital Data Service (ADDS)

Output produced by METARs form (0048 UTC 21 July 2017)
found at http://aviationweather.gov/adds/metars/
 
KBOS 202321Z 2100/2206 25010G20KT P6SM FEW025 SCT080 
     FM210200 25008KT P6SM SCT035 
     FM210400 26005KT P6SM SCT040 
     FM212300 28010KT P6SM FEW250 
     FM220500 32010KT P6SM SCT250