Aviation Digital Data Service (ADDS)

Output produced by METARs form (1103 UTC 28 August 2014)
found at http://aviationweather.gov/adds/metars/
 
KPWM 280855Z 2809/2906 33005KT P6SM BKN060 
     FM281300 33010KT P6SM SCT060 BKN200 
     FM281600 32012G22KT P6SM SCT060 
     FM290000 31008KT P6SM SKC