Aviation Digital Data Service (ADDS)

Output produced by METARs form (0219 UTC 05 August 2015)
found at http://www.aviationweather.gov/adds/metars/
 
KIAD 042340Z 0500/0606 VRB03KT P6SM VCTS BKN040CB 
     FM050030 32004KT P6SM SCT050 
     FM051200 32007KT P6SM FEW250