"We're cautiously optimistic but things look really good."
Eric Alvarez is with the Department of Water Resources. He says things look good now - but reservoirs are still down after several dry years - and winter's not over yet:
"If we can just get another couple of weeks of some good rainfall between now and April first, which is considered the end of the winter season, we should be doing pretty good."
Melting Sierra snow is the state's largest reservoir - providing water for millions of Californians.