Aviation Digital Data Service (ADDS)

Output produced by METARs form (1414 UTC 05 September 2015)
found at http://aviationweather.gov/adds/metars/
 
KDCA 051141Z 0512/0612 05009KT P6SM BKN025 
     FM051500 07010KT P6SM BKN035 
     FM051800 08011KT P6SM SCT045 
     FM060100 10007KT P6SM SCT080 
     FM061100 04006KT P6SM FEW250