The National Weather Service (NWS) said Sunday nearly all the Bay Area received at least an inch of rain during a 24-hour period between Saturday and Sunday mornings.
The highest totals came from the Santa Cruz and Santa Lucia mountains, exceeding 8 inches. Santa Cruz received 3-4 inches, while Cloverdale and Hollister received 2-3 inches. Santa Rosa, Napa, San Francisco, San Jose and Livermore all received 1-1.5 inches.
Concord received 1.5-2 inches.

Rainfall amounts around Claycord,
https://www.ccflood.us/raintable.html