Aviation Digital Data Service (ADDS)

Output produced by METARs form (0210 UTC 11 December 2016)
found at http://aviationweather.gov/adds/metars/
 
KIAD 102341Z 1100/1206 31006KT P6SM FEW060 
     FM110600 00000KT P6SM BKN100 
     FM111000 00000KT P6SM OVC050 
     FM111500 16006KT P6SM OVC090 
     FM120500 19009KT P6SM OVC100