Aviation Digital Data Service (ADDS)

Output produced by METARs form (1009 UTC 04 December 2016)
found at http://aviationweather.gov/adds/metars/
 
KROC 040914Z 0409/0506 32004KT P6SM SCT040 
     TEMPO 0412/0416 BKN040 
     FM041600 VRB04KT P6SM BKN050 
     FM042100 08006KT P6SM SCT100 BKN250 
     FM050500 15065KT 2SM -SN OVC025