Aviation Digital Data Service (ADDS)

Output produced by METARs form (0542 UTC 05 September 2015)
found at http://aviationweather.gov/adds/metars/
 
KRDU 050538Z 0506/0606 06005KT P6SM SCT150 
     FM050900 07006KT 6SM BR BKN100 
     FM051100 04007KT 4SM BR OVC007 
     FM051500 05009KT P6SM BKN018 
     FM051800 05011KT P6SM SCT025 BKN035