Aviation Digital Data Service (ADDS)

Output produced by METARs form (1212 UTC 30 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KBOS 301140Z 3012/3118 28007KT P6SM FEW200 
     FM302100 31007KT P6SM SCT050 
     FM310400 34005KT P6SM SCT250 
     FM310900 36005KT P6SM SCT040 
     FM311100 01005KT P6SM BKN090