Aviation Digital Data Service (ADDS)

Output produced by METARs form (0400 UTC 31 October 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KIAD 302342Z 3100/0106 34004KT P6SM BKN060 
     FM310200 00000KT P6SM SCT060 
     FM311300 04004KT P6SM BKN050 
     FM311800 09005KT P6SM BKN060