Aviation Digital Data Service (ADDS)

Output produced by METARs form (1537 UTC 20 May 2018)
found at http://aviationweather.gov/adds/metars/
 
KDCA 201503Z 2015/2118 17011KT P6SM FEW030 
     FM202000 27010G18KT P6SM BKN050 
     FM202300 31006KT P6SM SCT050 SCT200 
     FM210500 02005KT P6SM SCT050 BKN200 
     FM211600 13005KT P6SM BKN050