Aviation Digital Data Service (ADDS)

Output produced by METARs form (1000 UTC 30 September 2016)
found at http://aviationweather.gov/adds/metars/
 
KIAD 300857Z 3009/0112 05012KT 6SM -DZ OVC010 
     FM301200 06013G17KT 5SM -DZ OVC008 
     FM302300 06010KT 5SM -SHRADZ OVC008 
     FM010600 05005KT 5SM -SHRADZ OVC008