Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1927. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -1.7 8.3 0.0 6.1 10.6 23.9 17.2 23.3 21.7 21.7 18.9 2.8 2 -1.1 11.7 -2.8 8.3 12.8 23.3 20.6 21.7 24.4 19.4 13.9 0.0 3 -0.6 12.2 -2.2 17.8 21.1 23.3 19.4 23.3 21.1 15.6 6.1 -5.0 4 1.7 13.3 5.6 20.0 17.8 23.9 20.0 22.8 21.7 15.0 4.4 -2.8 5 0.0 15.0 12.8 18.3 16.7 18.9 20.6 22.8 21.1 21.1 9.4 1.1 6 3.3 12.2 15.6 18.9 23.9 18.9 21.7 23.9 21.1 21.1 13.9 7.8 7 2.8 7.2 13.9 19.4 23.3 15.0 21.1 23.3 22.2 21.7 7.8 -0.6 8 7.2 11.7 8.9 17.2 23.3 17.2 22.2 24.4 21.1 14.4 17.8 -7.2 9 0.6 2.2 0.6 20.6 17.2 15.0 20.6 21.7 20.6 14.4 19.4 -5.0 10 -3.9 -1.1 9.4 19.4 13.9 18.3 18.3 23.3 19.4 10.0 19.4 7.2 11 -5.0 -0.6 11.7 20.6 17.2 21.1 20.0 24.4 19.4 15.6 20.0 12.8 12 3.9 4.4 8.9 17.2 12.2 22.8 23.3 25.0 21.1 8.9 9.4 18.9 13 2.2 7.2 0.6 15.6 13.3 20.0 24.4 24.4 22.2 3.9 10.0 18.3 14 -3.3 2.8 3.9 11.7 11.7 19.4 24.4 23.3 23.3 6.1 13.3 11.1 15 -5.6 4.4 5.6 5.0 20.6 13.9 23.9 24.4 21.7 6.7 5.6 1.7 16 -5.0 10.0 13.9 5.6 15.0 15.0 22.8 23.3 19.4 6.1 2.8 -8.3 17 9.4 15.6 7.8 17.8 18.9 22.2 22.8 22.8 18.9 6.7 -2.2 -4.4 18 6.7 -2.2 18.9 21.1 21.1 21.7 22.8 18.3 20.0 9.4 0.6 -1.1 19 5.0 -5.6 20.0 17.2 22.8 23.3 22.8 20.6 17.8 7.2 5.6 -1.1 20 6.1 -1.7 1.7 21.1 22.8 24.4 23.3 18.3 12.2 7.2 12.8 -1.1 21 9.4 1.1 0.6 9.4 21.1 18.3 22.8 17.8 15.6 7.8 16.7 -1.7 22 1.7 3.9 -2.2 0.0 22.8 17.8 23.3 18.3 16.1 10.0 18.3 -5.6 23 -1.7 6.7 4.4 6.1 23.9 19.4 21.7 20.0 15.6 11.7 16.7 -2.2 24 2.2 5.6 0.6 9.4 23.3 19.4 22.2 21.7 15.6 13.3 9.4 5.0 25 3.9 10.0 7.2 9.4 16.7 18.9 17.8 20.6 13.3 12.8 10.0 6.1 26 7.2 0.6 17.2 6.7 16.7 21.1 22.2 21.1 12.8 10.6 17.8 4.4 27 1.7 9.4 12.2 13.9 17.8 20.6 21.7 22.8 11.7 10.6 16.7 8.9 28 2.8 5.6 17.8 17.8 22.8 22.2 23.9 21.7 12.2 10.0 16.1 11.1 29 10.6 0.0 16.7 18.9 23.9 20.0 23.3 22.2 19.4 18.3 16.7 0.6 30 10.0 0.0 16.1 11.1 22.8 20.0 23.9 22.8 23.3 16.1 9.4 12.8 31 6.7 0.0 20.6 0.0 22.8 0.0 23.9 22.8 0.0 15.6 0.0 -6.1 ----------------------------------------------------------------------------------------- Max 10.6 15.6 20.6 21.1 23.9 24.4 24.4 25.0 24.4 21.7 20.0 18.9 Min -5.6 -5.6 -2.8 0.0 10.6 13.9 17.2 17.8 11.7 3.9 -2.2 -8.3 Mean 2.5 6.1 8.6 14.1 19.1 20.0 21.9 22.2 18.9 12.5 11.9 2.5 -----------------------------------------------------------------------------------------