Aviation Digital Data Service (ADDS)

Output produced by METARs form (0643 UTC 02 September 2014)
found at http://aviationweather.gov/adds/metars/
 
KBOS 020546Z 0206/0312 23008KT P6SM FEW040 
     FM021200 22006KT P6SM SCT045 
     FM021700 21010KT P6SM SCT050 
     FM030400 25009KT P6SM BKN140