 On Chichi @-@ jima , Typhoon Koppu produced sustained winds of 102 km / h ( 63 mph ) , with gusts to 200 km / h ( 124 mph ) , which was the third strongest on record for the station . Rainfall there reached 183 mm ( 7 @.@ 2 in ) . Wind gusts on Iwo Jima peaked at 109 km / h ( 68 mph ) . 
 On Chichi @-@ jima , Typhoon Koppu produced sustained winds of 102 km / h ( 63 mph ) , with gusts to 200 km / h ( 124 mph ) , which was the third strongest on record for the station . Rainfall there reached 183 mm ( 7 @.@ 2 in ) . Wind gusts on Iwo Jima peaked at 109 km / h ( 68 mph ) . 
On Chichi @-@ jima , Typhoon Koppu produced sustained winds of 102 km / h ( 63 mph ) , with gusts to 200 km / h ( 124 mph ) , which was da third strongest on record for the station . Rainfall there reached 183 mm ( 7 @.@ 2 in ) . Wind gusts on Iwo Jima peaked at 109 km / h ( 68 mph ) .