Aviation Digital Data Service (ADDS)

Output produced by METARs form (0520 UTC 31 July 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KBOS 302320Z 3100/0106 13006KT P6SM SCT060 
     FM310100 17006KT P6SM SCT060 
     FM310300 21005KT P6SM FEW250 
     FM311700 19012KT P6SM SCT050 
     FM010000 21009KT P6SM SCT250