An analysis of the snow depth using NOHRSC maps on Jan. 4 from 2004-2012. There is the lowest area of the U.S. with snow on the ground this year.
The Intermountain West, especially the Sierra of California, the northern Plains and the upper Great Lakes are areas that have little snowcover this year compared to past years.
This map shows the snow depth from NOHRSC on Jan. 4, 2012, across the U.S. Around 22 percent of the nation was covered by snow.
Nearly half of the country, or 47.8 percent, of the country was covered by snow on Jan. 4, 2011.
On Jan. 4, 2010, almost 60 percent of the nation was covered by snow.
On Jan. 4, 2009, nearly 40 percent of the nation was covered by snow.
On Jan. 4, 2008, about 45 percent of the county was covered by snow.
On Jan. 4, 2007, approximately 27 percent of the nation was snow-covered.
On Jan. 4, 2006, about 31 percent of the nation was covered by snow.
On Jan. 4, 2005, around 33 percent of the country had snowcover.
On Jan. 4, 2004, almost 33 percent of the country had snow on the ground.
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