668 
FTUS42 KFFC 181740
TAFFTY
TAF
KFTY 181740Z 1818/1918 31008KT P6SM BKN040
     FM190000 31004KT P6SM BKN250
     FM191000 VRB02KT P6SM SCT015 BKN120
     FM191400 11005KT P6SM BKN015 BKN150
     FM191700 14007KT P6SM BKN025=