Aviation Digital Data Service (ADDS)

Output produced by METARs form (0812 UTC 14 December 2017)
found at http://aviationweather.gov/adds/metars/
 
KDCA 140539Z 1406/1512 18010KT P6SM BKN050 
     FM141200 24010KT P6SM BKN050 
     FM141500 29012G22KT P6SM BKN050 
     FM141700 32012G22KT P6SM SCT050 SCT200 
     FM142200 33010KT P6SM BKN200 
     FM150100 35005KT P6SM BKN150