Aviation Digital Data Service (ADDS)

Output produced by METARs form (1933 UTC 19 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KDCA 191743Z 1918/2018 02009KT P6SM OVC250 
     FM192200 02005KT P6SM BKN250 
     FM201300 06009KT P6SM SCT250