Huffington Post: With Californians crossing their fingers in hopes of a super El Nio to help end the state's historic drought, California's water agency just delivered some startling news: for the first time in 120 years of record keeping, the winter average minimum temperature in the Sierra Nevada was above freezing. And across the state, the last 12 months were the warmest on record. This explains why the Sierra Nevada snow pack that provides nearly 30% of the state's water stood at its lowest level in at least...