Aviation Digital Data Service (ADDS)

Output produced by METARs form (0402 UTC 27 February 2015)
found at http://aviationweather.gov/adds/metars/
 
KIAD 262340Z 2700/2806 VRB03KT P6SM BKN040 
     FM270400 34005KT 6SM -SHSN OVC025 
     FM270800 34005KT P6SM OVC035 
     FM271500 34012G20KT P6SM BKN035 
     FM272200 34009KT P6SM SCT040