Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1925. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -1.1 13.9 4.4 15.6 3.9 21.1 19.4 15.6 21.1 21.7 2.2 6.1 2 -6.1 1.1 -2.8 17.8 6.1 23.9 21.7 18.3 20.0 20.0 6.7 7.2 3 1.1 -4.4 -3.9 15.0 6.7 23.9 22.8 18.3 20.6 18.9 12.2 13.9 4 -2.8 1.7 3.3 10.0 17.8 23.9 22.8 20.6 21.7 20.0 17.2 4.4 5 -2.8 7.8 1.7 6.1 12.2 21.1 24.4 21.1 23.3 18.9 13.3 -2.8 6 -4.4 12.2 13.9 13.3 17.8 21.7 23.3 21.1 20.0 23.3 12.8 -4.4 7 6.1 15.6 10.0 15.0 16.1 23.3 23.3 23.3 20.0 23.3 10.6 -1.7 8 5.6 11.1 15.0 22.8 18.3 21.7 22.8 23.3 18.3 21.1 1.7 4.4 9 4.4 -2.8 16.7 11.1 15.6 21.1 25.0 24.4 20.0 8.3 -1.7 -1.1 10 7.2 2.2 20.0 8.9 16.7 22.2 24.4 25.0 23.9 7.2 3.9 0.6 11 -1.7 0.0 16.1 6.7 15.6 21.7 22.8 23.9 23.9 8.3 9.4 1.1 12 1.1 -7.2 13.9 17.2 17.2 21.7 23.3 23.9 18.3 20.0 5.0 -1.1 13 -7.8 5.6 18.9 18.3 16.1 25.0 21.1 24.4 18.9 18.3 2.8 11.1 14 -6.1 1.7 2.2 17.8 21.1 25.0 23.3 21.1 23.3 17.8 15.0 8.3 15 7.2 0.0 -1.1 16.1 20.0 24.4 23.3 22.8 20.6 18.9 3.9 -0.6 16 1.7 8.9 10.6 13.9 20.6 23.3 24.4 23.9 21.7 15.6 -2.8 -0.6 17 -1.1 1.1 13.9 16.7 17.8 23.9 24.4 22.2 21.7 12.2 1.7 -3.3 18 0.0 -3.9 16.1 17.8 18.3 23.3 25.0 22.2 23.3 6.7 11.1 1.7 19 -2.8 3.9 1.1 18.3 19.4 22.8 24.4 23.3 23.9 6.7 12.8 2.8 20 -3.3 10.6 -1.1 21.1 17.8 26.1 23.9 23.3 22.2 8.3 1.1 3.3 21 -1.7 17.8 5.6 21.1 15.6 20.6 24.4 20.6 23.3 12.2 1.1 -2.8 22 -2.8 15.0 10.6 21.7 16.1 22.2 23.3 22.2 20.6 11.1 1.1 -6.1 23 -5.0 10.0 5.0 21.1 21.1 23.3 23.3 20.6 21.1 12.2 -5.6 -9.4 24 1.7 2.8 8.9 22.2 21.7 23.3 23.9 20.6 16.7 16.1 1.1 -2.8 25 6.1 9.4 9.4 22.8 12.8 24.4 24.4 20.6 16.7 6.7 1.7 4.4 26 2.2 -2.8 14.4 20.0 13.3 21.1 24.4 20.6 12.2 9.4 13.3 -5.0 27 -6.1 1.7 11.1 16.1 14.4 18.3 24.4 20.6 15.6 3.9 4.4 -4.4 28 -8.9 2.2 8.9 15.6 18.3 21.7 23.9 21.1 20.0 1.7 3.9 -8.3 29 -3.9 0.0 15.6 11.7 16.1 22.2 24.4 21.1 20.6 0.0 3.9 -4.4 30 -4.4 0.0 17.2 10.6 18.3 21.1 25.0 18.9 20.6 0.6 5.0 -2.2 31 5.0 0.0 18.9 0.0 19.4 0.0 20.6 21.1 0.0 3.3 0.0 0.0 ----------------------------------------------------------------------------------------- Max 7.2 17.8 20.0 22.8 21.7 26.1 25.0 25.0 23.9 23.3 17.2 13.9 Min -8.9 -7.2 -3.9 6.1 3.9 18.3 19.4 15.6 12.2 0.0 -5.6 -9.4 Mean -0.8 4.8 9.5 16.1 16.2 22.6 23.5 21.6 20.5 12.7 5.6 0.3 -----------------------------------------------------------------------------------------