Aviation Digital Data Service (ADDS)

Output produced by METARs form (0615 UTC 28 July 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KDCA 280520Z 2806/2906 22006KT P6SM VCTS SCT050CB BKN090 
     FM281000 26010KT P6SM SCT050 BKN130 
     FM281500 29013G22KT P6SM SCT050 BKN090 
     FM282300 30011KT P6SM BKN050 
     FM290500 33007KT P6SM BKN090