Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1974. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -6.7 11.1 13.3 17.2 17.8 19.4 21.1 21.7 21.7 12.2 13.3 -2.2 2 -2.2 11.1 16.1 11.1 18.3 20.0 22.8 21.1 18.3 15.0 19.4 -1.1 3 -5.0 5.6 17.2 15.6 21.1 22.2 22.8 21.7 15.0 13.9 20.0 -1.7 4 -3.3 1.7 18.9 8.3 20.0 22.8 21.7 22.2 14.4 14.4 8.9 2.2 5 0.6 3.9 17.8 3.9 16.7 23.3 24.4 22.2 13.9 15.0 6.7 8.9 6 2.8 3.9 18.9 6.1 16.1 24.4 21.7 21.1 12.2 17.2 9.4 8.3 7 -0.6 1.1 18.3 13.9 15.6 25.6 21.7 21.1 15.6 17.2 8.3 5.6 8 7.8 -2.8 17.8 9.4 16.7 26.7 21.7 21.1 17.8 15.0 8.3 -0.6 9 -0.6 -2.2 20.0 7.2 17.2 20.0 22.8 23.3 18.9 16.1 10.0 -4.4 10 -0.6 2.2 19.4 12.2 16.7 20.0 21.7 23.3 20.6 17.2 12.2 1.1 11 -2.2 2.2 18.9 12.2 15.0 20.6 21.7 21.7 21.7 17.2 8.9 -0.6 12 -4.4 6.1 14.4 12.8 19.4 18.9 21.1 23.3 21.1 15.6 7.2 1.7 13 -1.1 13.3 8.9 9.4 18.3 18.3 20.6 23.3 15.6 19.4 6.1 2.8 14 6.7 15.0 8.9 9.4 23.3 20.6 22.8 23.9 15.6 10.0 4.4 6.7 15 4.4 11.1 11.7 10.6 23.3 20.6 21.7 22.8 17.8 8.9 2.2 2.2 16 7.8 5.6 11.7 8.3 23.3 20.6 22.8 23.3 21.1 5.0 9.4 1.1 17 13.9 4.4 8.3 9.4 12.8 21.1 21.7 22.8 20.0 10.0 9.4 -0.6 18 11.7 12.2 17.8 12.8 23.3 15.6 21.7 23.3 21.1 13.3 9.4 1.7 19 6.1 5.6 15.6 12.2 21.1 16.1 20.0 23.9 21.7 14.4 15.0 1.1 20 3.9 10.0 6.7 19.4 21.1 16.1 22.2 23.9 21.7 12.2 8.9 3.3 21 3.9 5.6 1.1 20.0 21.1 17.8 22.8 22.8 19.4 14.4 6.1 0.6 22 8.3 2.2 1.7 16.7 20.6 18.3 24.4 23.9 17.2 11.1 10.0 5.0 23 3.3 2.8 0.6 13.3 19.4 18.9 24.4 22.8 13.3 17.8 13.9 15.0 24 4.4 0.6 0.0 15.0 22.2 22.8 23.3 22.8 12.8 16.1 5.6 2.2 25 5.6 -2.8 1.1 14.4 21.7 21.7 25.0 23.3 11.7 15.6 2.8 0.0 26 5.0 -1.1 6.7 16.7 20.6 21.7 26.1 22.2 14.4 14.4 2.2 0.0 27 7.2 7.2 11.7 16.7 17.2 21.7 25.0 21.7 13.3 13.9 5.0 2.8 28 4.4 12.8 13.9 18.9 18.9 21.1 24.4 21.1 14.4 18.3 3.3 6.1 29 3.3 0.0 11.1 21.1 22.8 21.7 23.3 21.7 10.0 17.8 -1.7 8.9 30 3.9 0.0 10.6 18.9 23.3 21.1 22.8 21.7 10.0 21.1 -3.9 11.1 31 5.6 0.0 15.0 0.0 18.9 0.0 21.1 24.4 0.0 15.6 0.0 6.7 ----------------------------------------------------------------------------------------- Max 13.9 15.0 20.0 21.1 23.3 26.7 26.1 24.4 21.7 21.1 20.0 15.0 Min -6.7 -2.8 0.0 3.9 12.8 15.6 20.0 21.1 10.0 5.0 -3.9 -4.4 Mean 3.0 5.3 12.1 13.1 19.5 20.6 22.6 22.6 16.7 14.7 8.0 3.0 -----------------------------------------------------------------------------------------