Aviation Digital Data Service (ADDS)

Output produced by METARs form (1853 UTC 24 June 2017)
found at http://aviationweather.gov/adds/metars/
 
KIAD 241720Z 2418/2524 29011G19KT P6SM SCT050 SCT250 
     FM242300 28007KT P6SM SCT050 SCT250 
     FM250500 VRB03KT P6SM FEW050 SCT250 
     FM251400 31010G16KT P6SM SCT060