Aviation Digital Data Service (ADDS)

Output produced by METARs form (1841 UTC 05 March 2015)
found at http://aviationweather.gov/adds/metars/
 
KBWI 051720Z 0518/0624 33010G18KT 1/2SM SN OVC005 
     FM052100 33008G16KT 3SM -SN OVC015 
     FM060000 32007KT 6SM -SN BKN025 
     FM060300 32005KT P6SM SCT050 
     FM061400 34005KT P6SM FEW250