Rainfall rates could reach up to a whopping four inches per hour and some places could see a foot of rain.

降雨量可能高达每小时4英寸，有些地方的降雨量可能达到一英尺。

Northwestern California in particular has a very temperate climate, with average rainfall rates of 1,300 millimeters a year, more than double the average rainfall that London will see in a year.

尤其是加州西北部，气候非常温和，年平均降雨量为 1300 毫米，是伦敦年平均降雨量的两倍多。