Aviation Digital Data Service (ADDS)

Output produced by METARs form (2322 UTC 17 January 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KDCA 172054Z 1721/1818 19007KT 4SM BR OVC008 
     TEMPO 1721/1724 2SM BR 
     FM180200 21008KT 3SM BR BKN010 
     FM180700 25006KT 1SM BR BKN015 
     FM180900 28006KT P6SM BKN030 
     FM181000 29006KT P6SM BKN050 
     FM181500 30011G18KT P6SM SCT060 
     FM181700 31013G21KT P6SM SCT030