This week's federal drought update shows the recent storms have helped the Sierra snowpack, but not California's long-term water supply deficit.
The state's major reservoirs are at 50 percent or less of their historical average and at 35 percent or less capacity.

Credit CA Dept of Water Resources
The update called the reservoir storage "precariously low."
Folsom Lake is just 14 percent of capacity, a new record low.
Ninety-two percent of California is in severe drought.
The latest Seasonal Drought Outlook shows "drought remains but improves" in California through February.
This story was produced by Capital Public Radio.