Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1359 UTC 16 April 2014)
found at http://www.aviationweather.gov/adds/tafs/
 
KIAD 161134Z 1612/1718 35013G20KT P6SM SKC 
     FM162000 03010KT P6SM SKC 
     FM162300 05006KT P6SM SKC 
     FM171400 09010KT P6SM SCT250