For Lincoln, Omaha and Norfolk past weather information go to the National Weather Service out of Omaha's website: http://www.weather.gov/climate/index.php?wfo=oax and select a location, month and year.

For in depth Lincoln climate information and other interesting weather facts go to the website for High Plains Regional Climate Center created by UNL professor K. Dewey: http://www.hprcc.unl.edu/nebraska/lincoln.html