http://climate.umn.edu/doc/journal/snow080405_07.htm Very Heavy Snow of April 5 – April 7, 2008], Minnesota Climatology Working Group, April 7, 2008 Fourteen inches (356 mm) of snow fell in Hoover, South Dakota, Heavy snow fell over parts of west river Sunday, NWS Sioux Falls, SD, April 6, 2008 and nearly 5 inches fell in Fargo, North Dakota. [