Six things you don't know about snow
#1: Snow covers 30 percent of land on Earth.
#2: More than 1.2 billion people rely on water from snowpack and glaciers.
#3: Snowmelt is the main source of water for 60 million Americans.
#4: Since 1967, 1 million square miles of spring snow cover has disappeared from the Northern Hemisphere.
#5: 70 percent of water from the snow-fed San Joaquin River irrigates California's Central Valley.
#6: NASA's Global Precipitation Measurement mission observes falling snow, even at the top of hurricanes.
snow.nasa.gov