Aviation Digital Data Service (ADDS)

Output produced by METARs form (1555 UTC 29 July 2015)
found at http://aviationweather.gov/adds/metars/
 
KHYA 291120Z 2912/3012 00000KT P6SM FEW250 
     FM291500 25006KT P6SM SCT250 
     FM291700 23007KT P6SM FEW250