Aviation Digital Data Service (ADDS)

Output produced by METARs form (1612 UTC 05 September 2015)
found at http://aviationweather.gov/adds/metars/
 
KPWM 051503Z 0515/0612 11004KT P6SM FEW250 
     FM051700 17008KT P6SM SKC 
     FM060000 VRB03KT P6SM SKC