Aviation Digital Data Service (ADDS)

Output produced by METARs form (0541 UTC 05 September 2015)
found at http://www.aviationweather.gov/adds/metars/
 
KDCA 050536Z 0506/0606 08007KT P6SM BKN015 
     FM051500 07010KT P6SM BKN025 
     FM051800 08011KT P6SM SCT050 
     FM052100 09010KT P6SM SCT250 
     FM060300 10006KT P6SM SCT250