Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1512 UTC 19 August 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
KIAD 191453Z 1915/2018 32008KT P6SM FEW050 SCT200 
     FM191800 27008KT P6SM FEW050 FEW200 
     FM200000 VRB04KT P6SM BKN050 
     FM200500 34006KT P6SM FEW050