Aviation Digital Data Service (ADDS)

Output produced by METARs form (0647 UTC 30 March 2017)
found at http://aviationweather.gov/adds/metars/
 
KDCA 300526Z 3006/3106 05005KT P6SM FEW250 
     FM301100 05004KT P6SM BKN070 
     FM301600 11004KT P6SM BKN070 
     FM310300 14009KT P6SM OVC040