January 1982 California floods

In a three-day period on January 3–5, 1982, significant flooding occurred in the San Francisco Bay area due to a significant storm system which impacted the area. Widespread rainfall amounts of over 6 inches (150 mm) fell, triggering flooding, with portions of Marin County receiving up to 16 inches (410 mm) of rain and the San Lorenzo Valley receiving up to 25 inches (640 mm).