Aviation Digital Data Service (ADDS)

Output produced by METARs form (0420 UTC 19 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KIAD 182343Z 1900/2006 16005KT P6SM FEW080 OVC200 
     FM191200 32006KT P6SM BKN250 
     FM191500 36010KT P6SM SCT250 
     FM192100 36005KT P6SM FEW250