Aviation Digital Data Service (ADDS)

Output produced by METARs form (0317 UTC 26 February 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KIAD 252331Z 2600/2706 30013G27KT P6SM FEW100 
     FM260600 30014G21KT P6SM FEW040 
     FM262000 28010G18KT P6SM FEW250 
     FM262300 28006KT P6SM FEW250