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
How states rank by share of area in drought.
| #1 | Kentucky | 0 |
| #2 | Utah | 0 |
| #3 | Louisiana | 0 |
| #4 | Indiana | 5% |
| #5 | South Dakota | 7 |
| #6 | Ohio | 8% |
| #7 | New Hampshire | 8% |
| #8 | Michigan | 8% |
| #9 | Tennessee | 8% |
| #10 | Missouri | 8% |
| #11 | Massachusetts | 10% |
| #12 | New Jersey | 10% |
| #13 | Virginia | 10% |
| #14 | Wisconsin | 10% |
| #15 | Washington | 10% |
| #16 | Maine | 12% |
| #17 | North Carolina | 12% |
| #18 | Illinois | 14% |
| #19 | Florida | 15% |
| #20 | Minnesota | 15% |
| #21 | Georgia | 15% |
| #22 | Wyoming | 18 |
| #23 | Colorado | 25% |
| #24 | Oregon | 35% |
| #25 | Vermont | 40% |
| #26 | Montana | 45% |
| #27 | Alaska | 45% |
| #28 | Texas | 46% |
| #29 | New Mexico | 55% |
| #30 | Arizona | 60% |
| #31 | Delaware | 1,150 |
| #32 | Rhode Island | 1,220 |
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.