Median days per year with SWE greater than zero. Michael Tercek Ann Rodman 10.1371/journal.pone.0159218.g007 https://plos.figshare.com/articles/figure/Median_days_per_year_with_SWE_greater_than_zero_/3877254 <p>Values from 1990–2010 are calculated from SNOTEL station data, while mid- and late- 21<sup>st</sup> century values are model forecasts.</p> 2016-07-28 12:21:08 west entrance road Yellowstone National Park Climate models project Yellowstone road segment Yellowstone National Park future snow declines 21 st Century Snowpack oversnow vehicle use snow losses 21 st century