110 30% 50 70 90 150 200 300 400 Short-term view: Past month Long-term view: Past 3 years Redding Redding Sacramento Sacramento San Francisco San Francisco Fresno Fresno Los Angeles Los Angeles San Diego San Diego 110 30% 50 70 90 150 200 300 400 Short-term view: Past month Long-term view: Past 3 years Redding Redding Sacramento Sacramento San Francisco San Francisco Fresno Fresno Los Angeles Los Angeles San Diego San Diego 110 30% 50 70 90 150 200 300 400 Short-term view: Past month Long-term view: Past 3 years Redding Redding Sacramento Sacramento San Francisco San Francisco Fresno Fresno Los Angeles Los Angeles San Diego San Diego 110 30% 50 70 90 150 200 300 400 Short-term view: Past month Redding Sacramento San Francisco Fresno Los Angeles San Diego Long-term view: Past 3 years Redding Sacramento San Francisco Fresno Los Angeles San Diego 110 30% 50 70 90 150 200 300 400 Short-term view: Past month Redding Sacramento San Francisco Fresno Los Angeles San Diego Long-term view: Past 3 years Redding Sacramento San Francisco Fresno Los Angeles San Diego 110 30% 50 70 90 150 200 300 400 Short-term view: Past month Long-term view: Past 3 years Redding Redding Sacramento Sacramento San Francisco San Francisco Fresno Fresno Los Angeles Los Angeles San Diego San Diego Source: PRISM Climate Group at Oregon State University Note: Data from the past six months is preliminary. California has built its water infrastructure — reservoirs, wells and irrigation systems — in part to account for the imbalanced timing in precipitation. California has a naturally variable climate: Periods of drought are punctuated by periods of wetter weather. A chart shows average snow water equivalent levels for each water year from 2003 through Jan. 17, 2023. Atmospheric rivers don’t always bring more snow; storms can actually shrink the snowpack if precipitation falls as rain instead of snow at high elevations.

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