Aviation Digital Data Service (ADDS)

Output produced by METARs form (1305 UTC 30 August 2016)
found at http://aviationweather.gov/adds/metars/
 
KDCA 301138Z 3012/3112 01008KT P6SM FEW250 
     FM301500 03007KT P6SM SCT050 
     FM310400 VRB03KT P6SM SCT150