2020-2022
Recent severe drought
Above average
Reservoir storage (2024)
≈ 30% of supply
Snowpack reliance
Historical data
Coming soon
Long-run charts for this indicator are on the way.
Compared to the United States
Coming soon
Side-by-side comparison of California vs. the U.S. average.
National ranking
Coming soon
The national ranking against every other state will appear here as more states are published.
Overview
California experienced one of its driest three-year stretches on record in 2020-2022 before atmospheric rivers refilled reservoirs in 2023-2024; the state relies on Sierra snowpack for about 30% of its water.