The statewide Sierra Nevada snowpack — the source of nearly one-third of California’s water supply — is at its highest level since 1995, boosting hopes that an end to the drought is near, but also raising concerns that a few warm spring storms could melt it too early and trigger major flooding.

Not since Toy Story packed movie theaters, Steve Young led the 49ers to their fifth Super Bowl win, and gasoline cost $1.28 a gallon has there been so much snow in California’s most famous mountain range at the end of January.