Aviation Digital Data Service (ADDS)

Output produced by METARs form (1419 UTC 23 September 2014)
found at http://aviationweather.gov/adds/metars/
 
KPHX 231120Z 2312/2412 11005KT P6SM SKC 
     FM232000 29007KT P6SM SKC 
     FM240700 10004KT P6SM SKC