Sierra Snowpack Measured at 19% of Normal for February 23, 2015 Details Last Updated: Tuesday, 24 February 2015 09:12 Published: Tuesday, 24 February 2015 09:11 View Comments February 24, 2015 - The California Cooperative Snow Survey data on Monday of the Sierra Snow Water Equivalent found that overall the snow pack is at 19% of normal for this date. View the discussion thread. back to top