Aviation Digital Data Service (ADDS)

Output produced by METARs form (2205 UTC 23 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KIAD 232113Z 2321/2424 32018G26KT P6SM SCT050 
     FM240000 32014KT P6SM SKC 
     FM240500 32009KT P6SM SKC 
     FM241300 33010G18KT P6SM FEW060 
     FM242200 33005KT P6SM SCT250