Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1948. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -1.7 -0.6 17.2 5.0 20.6 21.7 20.6 23.3 23.3 13.9 16.1 0.0 2 -2.2 3.3 5.6 7.8 20.6 16.1 21.1 22.2 21.7 15.0 12.2 8.3 3 1.7 4.4 3.9 7.2 23.3 16.7 21.1 21.1 20.0 16.7 12.8 2.8 4 4.4 8.9 6.7 10.6 15.0 17.2 21.7 22.2 21.7 14.4 17.2 7.2 5 3.9 6.1 1.7 16.1 18.3 21.7 22.2 20.6 21.7 11.7 13.9 12.8 6 7.2 3.3 0.6 19.4 16.7 21.1 21.1 21.1 23.9 17.2 7.2 1.7 7 6.1 5.6 1.1 20.6 10.0 21.7 22.8 22.2 20.6 16.1 4.4 7.2 8 13.9 -2.8 4.4 21.1 16.1 23.3 23.3 24.4 23.3 11.7 8.9 0.0 9 12.8 -6.7 4.4 16.7 22.2 23.9 22.8 24.4 18.9 13.9 4.4 5.6 10 8.9 -3.9 -2.2 17.8 22.8 21.1 22.8 25.0 19.4 20.0 0.6 -1.7 11 6.1 5.6 -10.0 18.9 17.2 21.1 21.7 24.4 16.7 15.6 1.1 3.3 12 10.6 -5.0 -9.4 20.6 13.9 21.7 23.9 22.8 16.1 13.9 10.6 11.7 13 -0.6 -4.4 -6.1 9.4 15.6 22.2 22.8 25.6 20.6 15.0 12.2 17.2 14 -3.3 -1.7 2.8 7.8 17.8 22.8 23.3 23.9 20.6 16.7 11.7 20.0 15 -1.7 1.7 15.6 7.2 21.7 21.7 22.8 24.4 18.9 17.2 12.8 18.3 16 -1.7 5.6 13.3 11.7 19.4 23.3 23.3 25.0 18.9 22.2 12.2 8.9 17 -7.8 5.0 8.9 12.8 20.0 23.3 23.9 22.8 21.7 8.3 6.1 6.7 18 -7.8 13.3 16.7 12.2 19.4 24.4 23.3 22.8 22.8 1.7 14.4 10.6 19 -1.7 16.1 16.1 16.7 18.9 23.9 23.9 21.7 22.2 7.2 5.6 5.6 20 -1.1 7.2 18.3 16.7 16.7 23.9 23.9 23.3 20.0 8.3 1.1 1.1 21 -2.2 2.8 20.6 17.2 16.1 24.4 24.4 22.8 20.6 13.9 4.4 7.8 22 0.0 1.7 10.6 15.6 18.3 25.6 24.4 23.3 20.6 14.4 2.2 5.6 23 -3.3 0.6 7.8 18.3 18.3 25.0 22.2 22.8 18.9 12.8 4.4 7.8 24 -7.2 9.4 11.1 20.0 20.0 25.0 23.9 22.2 20.6 11.1 2.8 14.4 25 -2.8 17.8 15.0 12.8 17.8 24.4 24.4 22.8 20.0 10.6 6.7 2.8 26 -3.3 18.3 20.0 13.3 18.3 21.7 23.9 22.2 13.9 11.1 11.1 0.0 27 -5.6 10.0 7.2 14.4 16.7 21.7 25.0 22.8 12.2 16.1 8.3 2.8 28 -8.9 9.4 1.7 16.7 15.0 19.4 24.4 22.2 12.2 13.3 5.6 10.6 29 -6.7 11.7 4.4 17.2 18.3 18.3 23.9 21.1 13.9 15.0 -3.3 3.3 30 -6.7 0.0 15.6 17.8 20.0 21.1 23.9 22.8 11.7 20.6 -2.2 -2.8 31 -2.8 0.0 21.1 0.0 21.7 0.0 25.0 21.7 0.0 19.4 0.0 -1.1 ----------------------------------------------------------------------------------------- Max 13.9 18.3 21.1 21.1 23.3 25.6 25.0 25.6 23.9 22.2 17.2 20.0 Min -8.9 -6.7 -10.0 5.0 10.0 16.1 20.6 20.6 11.7 1.7 -3.3 -2.8 Mean -0.1 4.9 7.9 14.6 18.3 22.0 23.2 22.9 19.2 14.0 7.5 6.4 -----------------------------------------------------------------------------------------