VIDEO: Flash floods inundate homes, overturn cars in San Diego

SAN DIEGO (WPVI) -- Flash floods inundated homes and overturned cars in Southern California as torrential rain swept through a large swath of the U.S.

Over a three-hour period on Monday, a whopping 3 inches of rain fell near San Diego.

During the winter, the region typically averages around 2 inches of rain per month.

The Associated Press contributed to this post.