Aviation Digital Data Service (ADDS)

Output produced by METARs form (1511 UTC 18 April 2015)
found at http://aviationweather.gov/adds/metars/
 
KHPN 181430Z 1815/1912 30009KT P6SM SKC 
     FM181900 28011G19KT P6SM SCT080 
     FM182300 34011G19KT P6SM SKC 
     FM190600 02008KT P6SM FEW250 AMD NOT SKED