-20.0
-10.0
0.0
10.0
20.0
30.0
40.0
50.0
0.0
50.0
100.0
150.0
200.0
250.0
300.0
350.0
400.0
Daily maximal and minimal temperatures (red and blue dots) for station USC00110072 in Iowa ( 41.1978 N , 90.7447 W ) in the year 1901.
The minimal temperature was -26.1 deg centigrade and the maximal temperature was 42.2 deg centigrade. The average temperature over the whole year was 10.3 deg centigrade.