Capital Public Radio: The winter of 2015 capped four years of drought that resulted in an unprecedented water deficit in Sierra Nevada snowpack. Much of Californias water comes from snowmelt. Researchers at UCLA say in a new study, that this winters strong El Nio didnt make up for that deficit. They found that even if the state gets above-average precipitation, it will take until 2019 to recover. Scientists used NASA satellite and snow survey data to assess snowpack. This gave them a better and more accurate picture...