Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1926. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 3.9 -2.8 3.3 3.3 16.1 17.8 17.8 21.1 23.3 23.3 9.4 0.0 2 3.3 2.8 -3.3 15.0 16.1 21.1 21.1 22.8 23.3 23.9 5.6 4.4 3 2.8 0.6 5.0 2.8 17.2 20.6 20.6 21.1 23.3 23.9 1.1 8.9 4 4.4 3.9 7.8 5.6 16.1 20.6 17.8 20.6 22.2 17.8 6.1 10.6 5 6.7 -2.2 8.3 13.9 15.6 16.1 20.6 22.8 23.9 11.7 0.0 8.3 6 -2.8 6.7 9.4 15.0 16.7 15.6 22.2 21.7 24.4 8.3 5.6 8.3 7 -1.1 2.8 3.9 10.0 16.7 17.2 23.9 20.6 22.2 14.4 12.2 5.6 8 -2.2 6.1 1.1 7.2 20.0 20.0 24.4 22.2 22.2 15.6 7.2 8.9 9 -6.7 4.4 10.6 12.8 21.7 20.6 24.4 23.9 21.7 17.8 3.3 7.2 10 -5.0 -2.2 10.6 12.8 21.7 21.7 26.1 18.9 21.1 22.8 -3.9 3.9 11 -4.4 1.1 5.0 6.1 12.8 22.8 21.7 22.8 22.2 19.4 -2.2 7.2 12 -0.6 10.0 -1.1 6.1 13.9 22.2 23.3 22.2 22.2 21.7 8.3 12.8 13 -3.9 16.1 2.8 7.2 7.8 23.3 22.2 22.2 21.1 17.8 13.9 2.8 14 -3.3 5.0 -1.7 10.6 7.8 27.2 20.0 22.8 21.1 19.4 13.3 -5.0 15 -0.6 3.3 3.3 6.1 4.4 25.0 20.0 22.8 21.1 18.9 4.4 -5.0 16 9.4 0.6 4.4 1.1 8.3 24.4 17.2 22.8 21.7 18.3 -1.1 -7.8 17 6.1 11.7 9.4 6.7 13.9 23.9 19.4 23.3 21.7 14.4 6.1 -0.6 18 -0.6 5.0 10.0 16.1 16.1 22.8 19.4 24.4 18.3 16.1 -5.0 0.0 19 3.9 -1.1 11.7 13.3 16.7 22.8 20.0 25.6 20.0 17.8 1.1 7.8 20 12.8 1.7 16.7 16.1 10.0 21.1 22.2 25.0 18.3 15.6 7.8 11.1 21 -0.6 10.0 16.1 16.1 13.9 24.4 21.7 25.6 16.7 7.2 1.7 10.0 22 -4.4 11.1 12.2 13.3 18.9 22.2 19.4 23.3 15.6 13.9 -3.3 4.4 23 -4.4 2.8 6.7 15.6 17.8 20.0 21.1 22.2 22.2 14.4 6.7 12.2 24 -4.4 9.4 4.4 15.0 17.8 18.9 21.7 22.2 24.4 10.6 10.0 1.7 25 -11.7 -1.1 8.3 7.2 17.8 21.1 21.7 18.9 16.1 6.1 18.3 -1.7 26 -6.1 4.4 1.7 6.1 19.4 22.2 22.8 13.9 11.1 11.1 7.2 -5.6 27 -3.3 -2.2 3.3 8.9 18.3 20.6 22.2 18.9 15.0 6.7 2.2 1.7 28 1.7 5.0 8.3 12.8 15.0 22.2 21.7 18.3 21.7 18.3 16.7 1.7 29 7.2 0.0 8.9 11.7 18.9 15.6 20.6 18.9 22.2 18.9 5.6 -3.9 30 10.6 0.0 2.8 12.8 21.7 20.6 21.1 21.7 23.3 14.4 -2.2 -5.6 31 14.4 0.0 -1.1 0.0 22.8 0.0 21.7 22.2 0.0 10.6 0.0 -2.8 ----------------------------------------------------------------------------------------- Max 14.4 16.1 16.7 16.1 22.8 27.2 26.1 25.6 24.4 23.9 18.3 12.8 Min -11.7 -2.8 -3.3 1.1 4.4 15.6 17.2 13.9 11.1 6.1 -5.0 -7.8 Mean 0.7 4.0 6.1 10.2 15.9 21.1 21.3 21.8 20.8 15.8 5.2 3.3 -----------------------------------------------------------------------------------------