Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1816 UTC 03 May 2016)
found at http://www.aviationweather.gov/adds/tafs/
 
KIAD 031737Z 0318/0424 36007KT P6SM -SHRA SCT025 BKN070 
     FM032300 06005KT P6SM -SHRA BKN030 
     FM040300 05004KT P6SM -SHRA OVC015 
     FM040500 VRB03KT 4SM -DZ BR OVC008 
     FM041900 08005KT P6SM BKN015 
     FM042100 11006KT P6SM BKN040 
     FM042200 11006KT P6SM OVC015