Aviation Digital Data Service (ADDS)

Output produced by METARs form (1610 UTC 30 August 2014)
found at http://aviationweather.gov/adds/metars/
 
KBWI 301455Z 3015/3118 16006KT P6SM OVC040 
     FM311000 18006KT 5SM BR BKN090 
     FM311300 20007KT P6SM BKN090