How much rain falls at El Yunque?
It all depends on which part of the forest you are in. The higher you are in the forest, the more rain you will receive. Maximum amounts occurring at the forest's highest elevations have reached over 250 inches (635 centimeters) annually, while lower elevations receive only 50-60 inches (120-150 centimeters).
How much water runs off the rain forest in a year?
About 100,000,000 gallons of water runs off the rain forest in a year.