Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1947. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -5.6 2.8 3.9 17.2 17.2 22.8 22.8 22.2 22.2 15.0 11.7 6.7 2 -2.8 -2.2 -3.9 15.0 12.8 20.0 22.8 22.8 24.4 16.7 13.3 10.6 3 -8.9 2.8 -1.1 18.3 16.7 22.2 22.2 22.2 23.9 16.1 8.3 16.1 4 -11.7 -1.1 7.2 13.9 16.7 22.8 24.4 23.9 22.2 20.0 17.2 8.9 5 -10.0 -4.4 13.9 16.1 20.0 20.0 22.2 23.3 21.7 17.8 7.2 10.6 6 -0.6 0.0 0.0 12.2 21.1 21.1 19.4 23.9 22.2 18.9 12.8 12.2 7 3.3 1.1 0.6 15.6 20.6 21.1 23.3 23.3 22.2 20.6 3.9 16.7 8 4.4 -4.4 -1.7 18.9 17.8 20.6 23.9 23.3 21.7 20.6 1.7 7.8 9 4.4 -3.9 1.1 18.3 14.4 22.2 21.1 25.6 22.2 18.9 6.7 8.3 10 5.0 -3.9 6.1 21.7 15.6 22.8 20.6 27.2 23.3 17.2 14.4 6.1 11 3.3 3.3 6.7 10.0 15.6 22.8 21.7 22.2 23.3 18.3 3.9 1.1 12 3.9 3.3 13.3 11.7 21.1 22.8 22.2 22.2 20.6 17.2 1.7 -0.6 13 13.3 2.8 5.0 7.8 21.1 20.6 22.8 21.7 17.8 17.8 7.2 0.6 14 13.9 2.8 1.7 7.2 21.7 16.1 22.2 21.7 22.2 17.2 8.3 2.2 15 10.0 5.6 0.0 6.7 21.1 18.3 22.8 22.2 20.6 17.8 7.2 0.6 16 1.7 6.1 -2.2 7.8 17.2 18.3 23.9 22.2 19.4 17.8 5.6 -0.6 17 0.6 5.6 0.0 2.2 18.9 18.3 23.9 23.3 21.7 21.7 6.7 -0.6 18 2.2 14.4 4.4 5.6 17.2 22.8 24.4 21.7 21.7 23.3 5.6 2.2 19 2.8 2.8 4.4 15.6 18.9 22.2 22.2 22.2 22.2 18.9 6.7 2.2 20 3.9 2.2 3.9 9.4 17.8 22.2 18.9 23.9 22.8 13.3 7.2 7.2 21 0.6 2.2 4.4 12.2 11.1 24.4 21.1 21.7 22.8 13.9 11.7 2.2 22 0.6 3.3 11.1 16.7 12.8 25.0 22.2 21.1 17.8 15.6 5.6 4.4 23 9.4 3.3 16.1 19.4 18.3 24.4 22.8 23.3 11.7 16.1 3.9 2.8 24 12.2 -4.4 13.3 21.1 15.0 20.6 20.6 22.8 11.1 17.8 6.1 1.1 25 4.4 -2.2 5.6 8.9 14.4 23.3 21.7 22.2 15.0 17.8 2.2 -1.1 26 4.4 2.8 7.2 10.6 13.3 23.9 22.2 21.1 16.1 18.3 4.4 -1.1 27 6.7 1.1 15.0 12.8 16.7 23.9 22.8 23.9 17.2 15.0 3.3 3.9 28 7.2 0.6 3.9 16.7 18.9 26.1 23.9 23.3 18.3 13.9 4.4 3.9 29 16.1 0.0 10.6 20.6 8.9 23.9 22.8 22.8 16.7 18.9 3.9 5.6 30 5.6 0.0 10.6 20.0 19.4 23.3 23.9 22.2 15.0 17.2 4.4 6.7 31 2.8 0.0 12.2 0.0 18.9 0.0 23.9 22.8 0.0 20.6 0.0 3.3 ----------------------------------------------------------------------------------------- Max 16.1 14.4 16.1 21.7 21.7 26.1 24.4 27.2 24.4 23.3 17.2 16.7 Min -11.7 -4.4 -3.9 2.2 8.9 16.1 18.9 21.1 11.1 13.3 1.7 -1.1 Mean 3.3 1.5 5.6 13.7 17.1 22.0 22.4 22.8 20.0 17.7 6.9 4.8 -----------------------------------------------------------------------------------------