Aviation Digital Data Service (ADDS)

Output produced by METARs form (1128 UTC 18 December 2014)
found at http://aviationweather.gov/adds/metars/
 
KHYA 181120Z 1812/1912 28013KT P6SM -SHRA OVC030 
     FM181300 28014G28KT P6SM BKN035 
     FM181700 29015G28KT P6SM SCT045 
     FM190400 30010G23KT P6SM SCT025 
     FM190800 31008KT P6SM SCT200