maximum possible precipitation

例句：

1. 1. The region is prone to heavyrainfall during the monsoon season.
   该地区在季风季节容易发生暴雨。
2. 2. The forecastpredicts a maximum possible precipitation of50 mm by tomorrow afternoon.
   预报预测明天下午最多可能有50毫米的降水。
3. 3.The city has been experiencing maximum possible precipitationdue to the recent heavy rains.
   由于最近的大雨，这个城市已经经历了最大的可能降水。