Area of snow-covered ground in the Northern Hemisphere each April-June compared to the 1981-2010 average. The area covered by snow in late spring has been below average throughout most of the past two decades. Data from Rutgers Snow Lab.
Change in the number of snow-covered days per decade in late spring (April–June) across the Northern Hemisphere. At most locations, late spring snow days are declining (brown). Data from Rutgers Snow Lab.