Aviation Digital Data Service (ADDS)

Output produced by METARs form (1234 UTC 14 February 2016)
found at http://www.aviationweather.gov/adds/metars/
 
KIAD 141136Z 1412/1518 31006KT P6SM FEW250 
     FM142000 01004KT P6SM SCT200 
     FM142300 10004KT P6SM BKN150 
     FM150600 16007KT 3SM -SN OVC035