An unusually early warm spell coupled with a dry March has trimmed what had been an above-normal Sierra snowpack.
State water watchers say they´re not worried about the state´s water supply, however, because of the heavy snowfall that accumulated earlier in the winter.
More than a third of California´s drinking and irrigation water comes from Sierra snow, while snow-fed hydroelectric plants produce about a quarter of California´s power.
The northern Sierra was about 106 percent of normal. The central Sierra dropped to about 80 percent of a typical late spring snowpack, and the southern Sierra was about 75 percent of average.