Those wet years and we only get them maybe every five to seven years.

那些多雨的年份，我们可能每五到七年才有一次。

Experts say the state needs several wet years in a row to refill supplies.

专家表示，该州需要连续几年丰沛的雨水来补充供应。

And while there have been some wet years mixed in, California's drought has been going on for about 20 years.

虽然也曾出现一些多雨的年份，但是加州的干旱已经持续了大约20年。

But he said 2019 turned out to be a wet year, so he thought the western drought might be coming to an end.

但他表示，2019年是多雨的一年，所以他认为西部的干旱可能会结束。