Aviation Digital Data Service (ADDS)

Output produced by METARs form (2015 UTC 30 September 2016)
found at http://aviationweather.gov/adds/metars/
 
KBWI 301731Z 3018/0124 04012KT 2SM -DZ BR OVC007 
     FM010000 06012KT 2SM -SHRADZ OVC008 
     FM010600 06009KT 5SM -SHRA OVC008 
     FM011200 06008KT P6SM OVC015