Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1965. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 15.6 5.0 10.0 11.7 11.1 21.1 21.7 22.2 20.0 10.6 10.0 4.4 2 10.6 -3.3 0.0 17.2 12.2 22.2 21.1 20.6 20.6 15.0 13.3 6.1 3 5.6 3.3 -1.7 19.4 17.2 21.7 21.1 20.0 21.1 14.4 13.9 7.8 4 6.7 3.9 -3.9 18.9 18.3 21.1 21.7 21.1 23.3 11.7 15.6 6.1 5 6.1 4.4 -1.1 21.1 19.4 16.1 21.7 22.2 23.3 12.8 16.1 5.6 6 13.3 7.2 2.2 16.7 19.4 17.8 23.9 21.7 22.2 12.2 15.6 7.2 7 13.3 12.2 1.1 18.9 19.4 18.9 23.3 21.7 22.2 12.2 14.4 4.4 8 16.7 6.1 2.8 19.4 21.1 22.2 23.3 23.3 23.3 15.0 15.0 2.8 9 3.3 5.0 7.2 18.3 17.8 22.2 23.3 18.3 22.2 14.4 13.9 10.0 10 -1.1 4.4 13.3 19.4 17.8 21.1 22.8 21.7 20.6 15.0 10.6 15.6 11 -1.1 11.1 9.4 22.8 16.7 21.1 23.9 19.4 22.8 17.2 11.7 17.8 12 -1.1 -1.7 10.0 17.2 18.9 21.1 22.8 19.4 22.2 12.8 16.1 9.4 13 7.8 -0.6 6.1 17.8 19.4 21.1 23.3 18.9 26.1 14.4 10.0 7.2 14 3.3 -1.7 6.1 19.4 20.0 21.7 22.8 20.6 22.8 17.2 15.6 12.8 15 3.3 0.6 12.2 17.8 20.6 22.2 23.3 20.0 23.3 20.6 15.6 6.7 16 -1.7 6.7 14.4 10.6 17.2 18.9 20.0 22.2 23.3 21.7 17.8 6.1 17 -6.1 5.0 11.1 10.0 16.7 22.2 22.2 22.8 23.9 22.2 8.9 7.8 18 0.0 6.1 1.1 20.0 18.3 20.6 23.9 22.2 22.8 17.8 10.0 8.3 19 -1.1 6.1 -3.3 14.4 17.2 20.6 22.8 23.3 25.0 15.6 13.9 5.6 20 6.1 5.0 -5.6 13.3 17.2 21.1 21.1 22.2 23.9 14.4 16.1 0.0 21 12.8 7.8 -2.2 14.4 17.8 21.1 21.1 22.8 23.9 12.8 16.7 2.8 22 13.3 0.0 10.0 13.3 19.4 22.8 23.3 23.3 18.9 7.2 10.6 6.1 23 9.4 2.8 13.9 15.0 20.6 23.3 23.9 24.4 18.9 8.3 11.7 14.4 24 0.0 -7.2 1.7 17.2 21.1 22.8 24.4 22.2 16.7 13.3 16.1 10.0 25 5.6 -1.7 1.7 16.7 22.8 22.2 23.9 21.7 12.8 6.1 15.6 0.6 26 4.4 2.8 0.0 13.9 23.9 23.3 23.9 23.3 14.4 9.4 18.9 0.6 27 1.7 5.0 1.1 12.2 23.9 21.1 23.9 23.3 13.9 10.0 7.8 5.0 28 1.1 16.7 11.7 10.0 17.8 21.7 23.9 22.8 14.4 8.3 11.7 4.4 29 0.6 0.0 13.9 8.3 17.8 21.1 23.3 21.1 16.7 11.1 6.7 8.9 30 6.7 0.0 7.8 10.6 18.9 21.7 21.1 22.2 14.4 10.0 3.3 12.8 31 -2.8 0.0 9.4 0.0 21.1 0.0 20.0 23.9 0.0 12.2 0.0 12.8 ----------------------------------------------------------------------------------------- Max 16.7 16.7 14.4 22.8 23.9 23.3 24.4 24.4 26.1 22.2 18.9 17.8 Min -6.1 -7.2 -5.6 8.3 11.1 16.1 20.0 18.3 12.8 6.1 3.3 0.0 Mean 4.9 4.0 5.2 15.9 18.7 21.2 22.7 21.8 20.7 13.4 13.1 7.4 -----------------------------------------------------------------------------------------