sentences:  In recent years, average temperatures in the county seat of Springfield 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 1954.Average monthly precipitation ranged from in January to in May.As of the 2010 census, there were 197,465 people, 82,986 households, and 51,376 families residing in the county.