Aviation Digital Data Service (ADDS)

Output produced by METARs form (2030 UTC 27 February 2017)
found at http://aviationweather.gov/adds/metars/
 
KIAD 271729Z 2718/2824 20011KT P6SM OVC070 
     FM280000 15004KT P6SM BKN080 
     FM280800 VRB03KT P6SM SCT070 SCT250 
     FM281700 18008KT P6SM BKN110