Aviation Digital Data Service (ADDS)

Output produced by METARs form (0107 UTC 21 December 2014)
found at http://aviationweather.gov/adds/metars/
 
KBWI 202320Z 2100/2206 VRB03KT P6SM FEW035 OVC120 
     FM211200 VRB03KT P6SM SCT200