Aviation Digital Data Service (ADDS)

Output produced by METARs form (0302 UTC 31 July 2015)
found at http://aviationweather.gov/adds/metars/
 
KBOS 302320Z 3100/0106 23013G22KT P6SM -RA BKN040 
     FM310100 23010G18KT P6SM VCSH BKN060 
     FM310500 24009KT P6SM BKN080 
     FM310700 24009KT P6SM SCT250 
     FM311100 28007KT P6SM FEW250