Rainfall (noun)

The amount of rain that falls to the ground, especially during a specified period.

Origin:

Early 17th century: from rain + fall.

Examples:

1. The city experienced a record high rainfall this year.
2. The region was in dire need of rainfall to end the drought.
3. The rainfall caused the river to overflow its banks.
4. The farmer was grateful for the rainfall that helped the crops grow.
5. The forecast predicts heavy rainfall in the coming days.