Aviation Digital Data Service (ADDS)

Output produced by METARs form (1257 UTC 20 September 2017)
found at http://aviationweather.gov/adds/metars/
 
KBWI 201120Z 2012/2118 31005KT P6SM FEW040 FEW250 
     FM201500 32008G16KT P6SM SCT050 SCT200 
     FM210000 32005KT P6SM SCT200 
     FM210300 VRB03KT P6SM SCT200 
     FM211500 36007KT P6SM SCT050 SCT200