Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1941. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 16.1 12.8 5.0 13.9 19.4 23.3 22.8 22.2 23.3 22.2 3.9 13.3 2 7.2 9.4 11.1 15.6 17.8 23.3 23.3 22.2 23.3 21.1 7.8 13.3 3 3.3 3.9 13.3 10.6 13.3 17.8 23.9 22.8 25.0 23.3 12.2 5.6 4 0.0 2.2 7.2 9.4 17.2 18.3 21.1 21.7 25.0 22.8 10.0 6.7 5 1.7 2.8 5.6 8.9 14.4 20.6 21.7 21.7 22.8 23.3 10.6 9.4 6 5.0 6.1 8.3 11.7 16.7 20.0 21.7 19.4 22.2 23.3 3.3 3.3 7 5.6 0.0 3.3 11.1 17.2 20.0 22.2 20.6 23.3 23.3 7.8 1.1 8 6.1 3.9 1.7 10.0 17.8 23.9 22.8 22.8 22.2 23.3 4.4 7.8 9 8.3 -0.6 2.2 12.2 17.8 24.4 22.8 22.2 20.6 23.9 6.1 7.2 10 2.2 2.8 5.0 12.8 20.6 19.4 25.0 22.2 17.2 19.4 7.8 5.6 11 4.4 4.4 2.8 16.1 16.7 17.8 20.6 22.8 21.7 17.2 5.6 7.2 12 6.1 7.8 7.8 15.6 10.0 20.0 21.7 22.8 21.1 18.3 2.8 5.6 13 11.7 10.6 1.1 19.4 16.1 18.3 22.2 24.4 21.7 23.9 2.8 5.6 14 11.7 2.8 4.4 18.9 18.3 22.2 22.2 22.8 22.2 23.9 3.3 6.1 15 6.7 4.4 8.9 18.9 20.0 21.7 21.7 22.2 22.8 21.7 8.3 5.6 16 7.2 7.2 10.6 19.4 19.4 18.9 22.8 23.3 23.3 12.8 10.0 6.1 17 2.8 7.2 0.6 20.0 20.6 17.8 22.8 23.3 22.2 10.0 11.1 3.3 18 -1.7 7.2 0.6 20.6 21.1 17.8 23.9 22.2 21.1 14.4 15.6 8.9 19 -1.7 11.1 2.8 15.0 18.9 20.0 23.3 22.2 22.8 21.1 20.0 11.1 20 1.7 5.0 6.7 7.8 19.4 22.2 23.3 23.3 20.0 19.4 8.9 8.3 21 9.4 3.9 9.4 11.1 17.8 21.1 22.8 23.3 17.8 21.1 7.8 13.9 22 8.3 5.6 10.0 11.7 20.0 20.6 23.3 23.9 18.3 21.1 7.2 16.7 23 9.4 5.0 9.4 12.2 18.9 21.1 23.3 22.8 21.7 20.0 4.4 7.2 24 5.6 3.9 11.1 12.8 18.9 21.1 22.8 22.2 21.1 18.9 -1.1 1.1 25 8.3 3.9 11.7 12.2 17.8 21.1 23.3 25.0 20.0 19.4 0.0 7.8 26 5.6 4.4 11.1 14.4 20.6 21.7 22.2 25.0 13.9 21.7 5.6 2.2 27 3.9 5.0 5.6 14.4 20.6 22.2 22.2 23.9 16.1 15.6 8.9 1.1 28 2.8 1.1 5.0 15.0 18.9 23.3 22.8 22.8 17.8 6.1 10.6 -1.1 29 2.2 0.0 3.3 16.7 21.7 23.9 23.3 22.2 21.7 7.8 10.6 0.0 30 10.0 0.0 5.0 17.8 21.7 23.3 22.8 22.8 22.8 13.9 10.0 7.2 31 10.6 0.0 11.1 0.0 21.7 0.0 22.2 23.3 0.0 7.2 0.0 12.8 ----------------------------------------------------------------------------------------- Max 16.1 12.8 13.3 20.6 21.7 24.4 25.0 25.0 25.0 23.9 20.0 16.7 Min -1.7 -0.6 0.6 7.8 10.0 17.8 20.6 19.4 13.9 6.1 -1.1 -1.1 Mean 5.8 5.1 6.5 14.2 18.4 20.9 22.7 22.7 21.2 18.8 7.5 6.8 -----------------------------------------------------------------------------------------