sentences:  According to the US Census Bureau, the county has a total area of , of which is land and (0.9%) is water.In recent years, average temperatures in the county seat of Rushville have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1905 and a record high of was recorded in July 1936.Average monthly precipitation ranged from in January to in May.