Aviation Digital Data Service (ADDS)

Output produced by METARs form (1656 UTC 23 April 2014)
found at http://www.aviationweather.gov/adds/metars/
 
KPHL 231437Z 2315/2418 31021G32KT P6SM BKN040 
     TEMPO 2320/2324 SCT050 
     FM240000 31015G25KT P6SM SKC 
     FM240600 30015KT P6SM SKC 
     FM241400 31015G25KT P6SM SKC