Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1218 UTC 15 December 2017)
found at http://aviationweather.gov/adds/tafs/
 
KLVS 151123Z 1512/1612 18012KT P6SM SKC 
     FM151900 21012G20KT P6SM SCT200 
     FM160100 20008KT P6SM SCT200