Aviation Digital Data Service (ADDS)

Output produced by METARs form (2010 UTC 23 March 2017)
found at http://www.aviationweather.gov/adds/metars/
 
KIAD 231720Z 2318/2424 17005KT P6SM FEW250 
     FM241000 18007KT P6SM BKN090 
     FM241800 19010G18KT P6SM SCT070 SCT250