Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1986. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 4.4 16.7 0.6 17.8 16.1 20.0 23.3 23.9 21.7 25.0 16.1 4.4 2 1.7 17.8 6.7 17.2 16.1 20.6 23.3 24.4 22.2 24.4 14.4 1.7 3 2.2 15.0 8.9 17.8 13.3 21.7 23.3 23.9 22.2 25.0 12.2 3.3 4 5.6 13.3 6.7 18.9 13.3 21.1 22.8 21.7 22.8 20.6 12.2 3.3 5 -0.6 8.3 6.7 19.4 20.6 21.1 23.9 22.2 22.2 17.2 7.8 6.1 6 -1.7 6.7 8.9 18.3 21.1 22.8 22.2 21.7 21.1 15.0 11.7 8.3 7 1.1 4.4 6.7 20.0 20.6 22.2 21.7 24.4 20.6 15.0 12.2 10.0 8 -0.6 1.7 11.7 19.4 21.1 21.1 21.1 24.4 18.9 17.2 12.8 7.8 9 0.6 1.1 15.6 9.4 16.7 21.7 22.2 23.9 21.1 18.9 12.8 5.0 10 -0.6 -2.8 15.6 9.4 16.7 23.9 21.7 23.3 23.3 18.3 13.3 0.6 11 2.2 -3.9 14.4 12.2 15.0 18.9 23.9 22.8 23.9 17.8 2.2 1.7 12 3.9 -3.9 8.9 18.3 17.8 21.7 24.4 21.1 21.1 7.8 1.7 1.1 13 2.8 0.6 8.3 16.1 17.2 20.6 21.7 21.7 21.7 7.2 -2.8 3.3 14 2.8 5.0 7.8 13.9 20.6 21.1 22.2 21.7 21.7 7.8 -0.6 6.1 15 5.6 1.7 11.1 8.3 19.4 21.1 21.7 23.9 22.8 10.6 5.6 5.0 16 10.6 15.0 7.8 11.1 21.7 20.6 20.6 23.9 22.8 11.7 11.7 6.1 17 12.2 13.9 10.6 14.4 16.1 20.6 21.1 23.9 23.9 12.2 13.9 7.2 18 8.9 12.2 12.2 18.3 12.8 20.6 21.1 24.4 22.8 12.2 15.0 3.9 19 6.7 15.6 6.1 15.0 12.8 22.2 22.2 25.0 22.2 12.2 12.2 1.7 20 6.7 7.8 3.9 11.1 14.4 21.7 22.8 23.3 21.7 12.8 6.7 3.3 21 9.4 0.6 3.3 13.9 14.4 21.7 23.9 24.4 22.8 12.8 8.3 6.7 22 5.6 1.1 3.9 12.2 17.2 22.2 22.8 22.2 23.3 17.2 12.8 3.9 23 3.3 3.9 5.6 11.1 20.6 21.7 22.8 21.1 22.2 17.8 7.2 3.3 24 9.4 7.2 7.8 15.0 20.0 21.7 23.3 22.2 23.3 15.0 5.6 2.8 25 7.2 9.4 8.3 13.9 19.4 23.3 22.8 21.1 22.8 12.8 5.0 5.0 26 2.8 11.1 12.2 18.9 17.8 23.3 22.8 22.2 23.9 11.1 6.1 6.1 27 -1.1 10.0 13.9 17.2 17.8 23.3 23.9 22.2 23.3 10.6 3.3 2.8 28 -0.6 3.3 12.8 12.8 15.6 23.9 23.3 21.1 23.9 10.6 3.9 2.8 29 7.2 0.0 12.2 21.1 17.8 22.8 22.8 18.3 24.4 12.2 1.7 2.8 30 5.0 0.0 12.8 17.2 20.6 22.8 23.3 16.1 24.4 13.3 3.9 3.9 31 12.8 0.0 14.4 0.0 21.1 0.0 23.3 19.4 0.0 11.7 0.0 1.7 ----------------------------------------------------------------------------------------- Max 12.8 17.8 15.6 21.1 21.7 23.9 24.4 25.0 24.4 25.0 16.1 10.0 Min -1.7 -3.9 0.6 8.3 12.8 18.9 20.6 16.1 18.9 7.2 -2.8 0.6 Mean 4.4 6.9 9.2 15.3 17.6 21.7 22.7 22.5 22.5 14.6 8.3 4.2 -----------------------------------------------------------------------------------------