However, the Department of Water Resources say it won't be enough to put a real dent in the drought.
The Department said Wednesday before the storm began, readings showed the water content of the snowpack had dropped to 10 percent of normal statewide.
The state's reservoirs are also only a third full.
Earlier this month, Governor Jerry Brown declared a drought emergency.
Snow Water Equivalents Divided Per Region for Jan. 30
- Northern Sierra - 6 percent normal for this date
- Central Sierra - 15 percent normal for this date
- Southern Sierra - 14 percent normal for this date
The U.S. Drought Center says the past week brought "widespread improvements" in drought conditions in northern California and Nevada.
California's energy grid manager says supply should be adequate for the summer, despite potential natural gas shortages in Southern California.
California water regulators will allow cities and water agencies to set their own conservation targets based on water supply.
Fire agencies are expected to continue prescribed burn operations this week in the Lake Tahoe Basin.
Severe and extreme drought were reduced slightly in California and 10 percent of the state is completely free of drought.