https://www.petaluma360.com/news/9335023-181/sonoma-county-flooding-town-by-town-summary?sba=AAS
EXCERPT:
Historic rainfall hit Santa Rosa. Healdsburg declared a state of emergency after its wastewater treatment plant flooded. Graton firefighters beat their own record for most water rescues in a 24-hour period. Here’s a breakdown of how major Sonoma County cities and towns were affected by the two-day storm and historic flood.
Santa Rosa: The city Tuesday recorded the heaviest one-day rainfall, 5.66 inches, since the National Weather Service began keeping records in 1902. That surpassed the previous single-day record of 5.23 inches on Dec. 19, 1981.