Aviation Digital Data Service (ADDS)

Output produced by METARs form (0235 UTC 21 April 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KDEC 202336Z 2100/2124 20009KT P6SM SCT250 
     FM210300 20007KT P6SM BKN250 
     FM211100 21005KT P6SM BKN120 
     FM211700 23010KT P6SM VCSH BKN050 
     FM212000 23010KT 6SM -SHRA VCTS BKN035CB