One winter in Clinton, Iowa, the entire city was shut down because 3 feet of snow fell creating huge snow drifts.
http://web2.airmail.net/danb1/usrecords.htm,
http://www.clintonherald.com/archives/five-facts-about-iowa-winter-weather/article_e6337d96-0264-58d0-be70-e3fb3270fde0.html
Credits:
google ;)