Aviation Digital Data Service (ADDS)

Output produced by METARs form (0021 UTC 21 August 2014)
found at http://aviationweather.gov/adds/metars/
 
KPHL 202320Z 2100/2206 19009KT P6SM VCSH SCT035 BKN050 
     FM210300 16005KT P6SM BKN040 
     FM211600 19009KT P6SM VCSH SCT040 BKN100 
     FM212000 19007KT 6SM -SHRA BKN040