Complex sentence: On the Isle of Youth, precipitation reached a maximum of 15.67 inches (398 mm) at Sumidero, and in Havana Province rainfall reached 8.46 inches (215 mm) at Playa Baracoa.
Split into simpler sentences: On the Isle of Youth, precipitation accrued to 15.67 inches (398 mm) in Sumidero. In Havana Province rainfall totaled 8.46 inches (215 mm) at Playa Baracoa.