On Thursday, officials with the California Department of Water Resources headed up to Phillips Station to conduct their third snow survey of 2019.
Less than a month ago the snowpack was at 100 percent.
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Winter snow provides drinking water for much of the state as it melts in warmer months and flows into reservoirs.
A three-year drought emergency ended in 2017, but officials said water conservation efforts must continue.
See more stories, pictures, and videos about the Sierra snow.