- Most costly: 1997 - $5 billion in damage. 48 out of 58 counties delcared disaster areas
- Most deadly: 1955 - 74 deaths statewide
Worst California Floods
- Hurricane Katrina (2005): over $100 billion
- World Trade Center (2001): Pentagon attack $18.8 billion
- Hurricane Andrew (1992): $15.5 billion
- Northridge (CA) Earthquake (1994): $12.5 billion
- Hurricane Charley (2004): $7.5 billion
Top 5 Most Costly U.S. Catastrophes
- Billion Dollar U.S. Weather Disasters, 1980-2005, Infoplease Almanacs
- A History or Recent U.S. Disasters, stateline.org
- California Floodplain Management ReportCalifornia Floodplain Management Task Force (PDF)
- UC Davis Center for Watershed Sciences
- Major Floods and Droughts in California, U.S. Geological Survey
- New Recommendations to Reduce Flood Damage, Preserve Agriculture, Department of Water Resources