Nebraska
Average annual precipitation decreases east to west from about in the southeast corner of the state to about in the Panhandle. Humidity also decreases significantly from east to west. Snowfall across the state is fairly even, with most of Nebraska receiving between of snow each year. Nebraska's highest-recorded temperature was in Minden on July 24, 1936. The state's lowest-recorded temperature was in Camp Clarke on February 12, 1899.
Climate of Illinois
Extreme temperatures changes can occur within minutes with the passage of a strong cold front through the state. On December 20, 1836, temperatures fell in minutes, which supposedly froze people to their saddles and chickens in their tracks. The lowest temperature was , recorded on January 15, 2009, at Rochelle. However, the official record-lowest temperature for the state is recorded at Congerville on 5 January 1999. Prolonged cold struck the upper Midwest between January 30 and February 5, 1996, as low temperatures during the period averaged across the northwest corner of the state.