Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1945. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 0.6 6.1 6.1 13.3 13.9 21.1 23.9 19.4 22.8 11.7 19.4 15.0 2 2.2 6.7 11.1 11.7 16.1 22.8 21.1 22.2 23.3 16.1 21.1 8.3 3 5.6 12.2 11.7 14.4 13.3 18.3 22.2 22.8 22.2 16.1 11.1 5.0 4 6.7 11.7 11.7 4.4 6.7 17.8 21.1 23.3 20.6 17.8 5.6 -1.7 5 5.0 2.8 18.9 1.1 10.6 21.7 23.9 23.9 20.6 17.8 10.6 -1.1 6 10.0 1.1 7.2 4.4 14.4 22.2 23.3 25.0 20.0 20.0 17.8 1.7 7 5.6 5.6 2.8 7.2 20.6 22.8 22.8 22.2 19.4 18.3 17.2 4.4 8 1.7 2.2 11.1 7.8 13.9 23.3 21.1 22.2 21.1 21.1 20.0 5.6 9 -0.6 7.2 8.9 15.0 19.4 23.9 23.3 23.3 23.9 10.6 11.1 7.8 10 0.6 11.7 12.8 19.4 18.9 19.4 24.4 21.7 21.7 8.9 7.8 -3.3 11 5.0 6.1 16.1 15.6 14.4 24.4 22.2 23.9 23.9 10.6 10.0 -1.7 12 10.6 9.4 16.7 17.8 19.4 16.7 22.8 24.4 22.8 12.8 15.0 2.2 13 5.6 6.7 14.4 20.0 19.4 18.3 23.3 23.9 15.6 13.3 17.2 6.7 14 6.7 7.8 14.4 21.1 21.7 20.0 22.2 23.9 11.7 14.4 7.2 0.6 15 7.2 17.2 10.0 13.9 13.9 24.4 22.2 23.9 13.3 16.1 4.4 -3.9 16 1.7 16.7 17.2 8.9 9.4 23.9 22.2 23.9 12.8 11.1 9.4 -3.3 17 5.0 4.4 15.6 10.0 8.3 21.7 19.4 24.4 13.9 11.1 14.4 1.1 18 5.6 3.3 15.0 12.2 11.7 17.2 19.4 24.4 16.1 11.1 16.1 3.9 19 2.2 4.4 14.4 12.8 15.0 15.0 22.2 23.3 18.3 15.0 10.6 -6.7 20 5.0 6.7 7.2 18.3 17.2 18.9 22.2 21.7 23.9 13.9 11.1 -5.6 21 5.6 8.3 7.8 15.6 15.6 19.4 23.9 20.6 23.9 17.8 6.7 -1.7 22 1.1 1.7 8.3 15.6 12.2 20.6 23.3 21.7 23.3 7.8 0.0 10.0 23 0.0 2.2 17.2 13.9 13.3 18.9 22.8 20.0 23.9 5.6 1.7 7.2 24 6.7 3.3 20.0 10.6 18.9 21.7 23.9 20.6 23.3 8.9 2.2 13.9 25 4.4 12.2 10.0 14.4 18.9 23.3 23.9 20.6 23.3 2.8 8.3 1.1 26 1.7 0.6 9.4 9.4 20.6 23.3 24.4 21.1 22.8 8.9 13.9 1.1 27 7.2 0.0 12.8 11.7 21.1 23.3 23.9 21.7 22.8 9.4 5.0 10.6 28 4.4 -0.6 15.0 18.3 20.6 24.4 23.9 22.2 16.7 12.2 5.6 8.3 29 -1.7 0.0 19.4 12.2 20.0 24.4 22.8 21.7 12.2 15.6 6.7 3.3 30 0.0 0.0 15.6 12.8 20.6 24.4 23.3 22.2 11.7 15.0 11.7 7.8 31 0.0 0.0 13.3 0.0 20.6 0.0 22.8 22.2 0.0 15.6 0.0 4.4 ----------------------------------------------------------------------------------------- Max 10.6 17.2 20.0 21.1 21.7 24.4 24.4 25.0 23.9 21.1 21.1 15.0 Min -1.7 -0.6 2.8 1.1 6.7 15.0 19.4 19.4 11.7 2.8 0.0 -6.7 Mean 3.9 6.3 12.7 12.8 16.1 21.3 22.7 22.5 19.7 13.1 10.6 3.3 -----------------------------------------------------------------------------------------