Aviation Digital Data Service (ADDS)

Output produced by METARs form (1358 UTC 12 February 2016)
found at http://aviationweather.gov/adds/metars/
 
KBWI 121127Z 1212/1318 28004KT P6SM BKN200 
     FM121600 21004KT P6SM BKN100 
     FM130300 27007KT P6SM -SHSN BKN040 
     FM130700 29012G25KT P6SM SCT040 
     FM131200 30016G33KT P6SM SCT040