Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1950. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 16.1 -0.6 6.7 16.7 16.1 18.9 18.9 22.2 19.4 17.8 16.1 15.6 2 17.2 1.7 6.1 16.7 13.3 18.9 19.4 24.4 19.4 18.3 13.9 17.8 3 18.3 1.1 3.9 13.3 21.1 21.1 21.1 22.8 18.9 19.4 8.3 2.8 4 -6.1 3.3 6.1 6.7 21.7 16.7 21.7 21.7 21.1 14.4 -0.6 1.1 5 -5.6 6.7 8.9 5.0 21.1 15.0 22.8 22.8 20.6 12.8 1.1 -2.8 6 -3.3 12.8 2.8 3.9 18.3 16.1 24.4 22.2 15.6 14.4 7.8 -10.6 7 -2.2 13.3 12.8 5.0 21.7 17.2 21.7 22.8 16.1 18.3 12.8 -11.1 8 0.6 16.1 4.4 14.4 22.2 20.0 21.1 23.9 15.6 17.2 17.2 -1.7 9 4.4 7.2 2.2 16.7 22.2 22.2 25.6 22.8 15.6 12.2 5.0 0.6 10 12.8 7.8 11.7 18.9 20.6 22.8 25.6 22.8 18.3 12.2 0.0 3.3 11 7.8 11.1 17.8 10.6 16.1 21.7 22.8 21.7 18.9 15.6 -6.1 1.1 12 12.2 13.3 0.6 12.8 14.4 20.6 22.2 22.8 18.3 16.1 -2.2 7.2 13 14.4 3.9 -3.3 8.9 18.3 21.7 23.9 21.7 21.7 14.4 4.4 11.1 14 10.6 0.6 -2.8 7.8 16.1 21.7 21.7 23.3 23.3 15.0 13.9 5.0 15 14.4 1.7 7.2 11.1 17.8 21.1 20.6 20.6 22.8 15.0 20.6 9.4 16 5.0 3.3 8.9 10.0 16.7 20.6 23.3 23.9 24.4 12.8 13.3 8.9 17 10.0 7.2 5.6 10.6 16.7 21.1 24.4 22.8 17.8 15.6 6.7 1.7 18 15.6 7.8 11.7 10.0 18.3 20.6 23.9 20.6 20.0 15.0 11.7 3.3 19 -0.6 3.3 3.3 11.7 21.7 21.1 22.8 20.6 22.8 17.2 20.0 2.2 20 0.6 5.0 2.2 7.8 15.0 21.7 22.2 21.7 23.3 17.8 6.1 7.8 21 5.6 14.4 10.6 13.9 17.2 24.4 21.1 19.4 22.2 13.9 1.7 6.1 22 13.9 1.1 2.2 18.3 16.7 23.3 22.2 22.2 18.9 14.4 10.6 6.7 23 15.0 0.6 7.8 16.7 17.8 23.3 22.2 22.2 17.8 14.4 8.3 2.8 24 18.9 6.1 18.3 14.4 18.3 23.3 21.1 22.8 18.3 13.9 -4.4 5.6 25 19.4 15.0 19.4 12.2 20.0 21.1 22.2 22.2 18.9 15.6 -4.4 5.6 26 1.7 10.0 19.4 9.4 17.8 22.2 22.2 21.7 16.1 14.4 3.3 9.4 27 -1.7 16.7 11.1 16.1 13.3 22.2 23.9 22.2 17.2 14.4 3.9 -1.7 28 0.6 16.1 9.4 20.6 18.9 21.1 24.4 23.9 18.3 17.2 3.9 0.0 29 9.4 0.0 7.8 21.1 22.8 22.8 25.0 20.6 20.6 15.6 5.6 -3.3 30 0.0 0.0 5.0 13.3 22.8 21.1 23.9 18.3 21.1 16.7 11.7 -2.2 31 0.6 0.0 11.1 0.0 20.0 0.0 23.3 17.2 0.0 16.1 0.0 -0.6 ----------------------------------------------------------------------------------------- Max 19.4 16.7 19.4 21.1 22.8 24.4 25.6 24.4 24.4 19.4 20.6 17.8 Min -6.1 -0.6 -3.3 3.9 13.3 15.0 18.9 17.2 15.6 12.2 -6.1 -11.1 Mean 7.3 7.4 7.7 12.5 18.5 20.9 22.6 22.0 19.4 15.4 7.0 3.3 -----------------------------------------------------------------------------------------