Aviation Digital Data Service (ADDS)

Output produced by METARs form (0550 UTC 01 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KDCA 010537Z 0106/0206 35013G23KT P6SM SCT250 
     FM010800 32009KT P6SM SCT250 
     FM011300 31010KT P6SM FEW250 
     FM012300 25004KT P6SM FEW250