Aviation Digital Data Service (ADDS)

Output produced by METARs form (0758 UTC 19 December 2014)
found at http://aviationweather.gov/adds/metars/
 
KIAD 190538Z 1906/2012 31005KT P6SM OVC100 
     FM191300 30007KT P6SM FEW040 SCT080 
     FM191600 31011KT P6SM FEW040 SCT250 
     FM192100 32007KT P6SM FEW040 SCT250 
     FM200800 VRB03KT P6SM SCT250