This document printed from the University of Illinois Extension Sangamon-Menard Unit at http://www.extension.uiuc.edu/sangamonmenard/
From April through November local volunteers track the daily amount of rainfall in their perspective township. A monthly record of total rainfall is recorded and sent to the Extension office, where it is published by township in the Sangamon-Menard Extension News. Average totals are kept and recorded for the current year and the previous two years.
Click on Forms & Downloads (on the left) to access the archive of rainfall data.