rainfall
US /ˈreɪn.fɑːl/
UK /ˈreɪn.fɑːl/
1.
降水量, 雨量
the amount of rain, snow, etc., that falls in a particular area during a particular amount of time
:
•
The region experienced heavy rainfall last month.
その地域は先月、大雨に見舞われた。
•
Average annual rainfall in this area is about 800 mm.
この地域の年間平均降水量は約800mmです。