California Snowpack

Updated March 20, 2023

Roseville, Calif.- When it comes to water resources, the northern Sierra Nevada snowpack is a harbinger of abundance or scarcity for 40 million California residents and businesses. The 2022- 23 storm season has been a very good one, defying meteorologist dire predictions for another dry year and triple dip La Nina.

Earlier and more devastating fire seasons and mandatory water restrictions have become the norm. The west continues to experience what scientists deem the worst megadrought in 1200 years.

California’s depleted reservoirs are well above last year’s dismal levels and the snowpack keeps hopes alive for an above average winter in the crucial Northern Sierra where snowmelt helps replenish the state’s largest reservoirs.

Regardless of this year’s precipitation, redoubling efforts in conservation and planning for the future remains the pragmatic option for the Golden State and The West.

California Snowpack Water Content – March 20, 2023

RegionWater Content
(in inches)
% Avg to Date% Avg
year ago this date
Northern Sierra50.7018149
Central Sierra58.6022956
Southern Sierra57.8027856
source: CA Dept of Water Resources

California Snowpack – Updated March 3, 2022

RegionWater Content
(in inches)
% Avg to Date% Avg
year ago
Northern Sierra14.805763
Central Sierra17.006566
Southern Sierra14.106344
source: CA Dept of Water Resources


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