Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 5. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 16.1 3.4 6.2 9.2 8.8 17.4 23.4 23.0 22.5 20.5 6.8 4.8 2 16.6 3.3 6.8 5.5 11.3 19.7 23.3 22.7 21.6 20.4 8.3 2.1 3 18.8 1.5 8.6 6.8 11.5 19.9 24.5 22.7 22.5 21.9 8.3 14.1 4 18.9 2.1 8.7 12.1 10.6 23.2 24.7 21.5 22.7 21.1 12.9 4.6 5 0.9 4.4 9.7 12.1 13.0 22.1 21.8 21.5 20.2 20.9 16.0 -0.2 6 -1.1 10.9 12.1 11.7 14.4 21.3 24.2 21.3 20.3 12.1 17.9 -0.9 7 0.4 8.3 11.1 13.1 15.7 22.5 22.2 22.9 21.3 10.9 18.9 -4.8 8 3.3 5.8 6.8 11.6 14.0 23.7 20.5 22.5 20.4 11.4 20.3 -6.5 9 8.1 4.4 8.9 12.4 13.1 23.8 21.6 20.2 20.7 9.6 19.6 -6.4 10 16.5 1.6 6.2 17.5 19.2 22.5 22.8 20.4 20.7 12.9 13.9 2.9 11 16.2 6.4 10.9 14.0 18.6 21.5 23.4 21.9 22.2 18.4 13.2 2.2 12 16.6 7.2 7.6 8.9 18.9 20.9 22.0 23.7 21.2 17.9 19.9 8.6 13 4.8 14.9 9.2 10.9 17.8 21.9 24.5 23.3 22.7 16.7 16.0 5.4 14 0.6 10.1 5.2 11.3 17.9 22.2 22.1 23.5 23.5 18.1 15.5 4.7 15 2.4 9.2 5.8 13.2 16.7 22.9 19.8 22.9 24.1 15.5 8.2 0.2 16 -2.6 9.8 5.0 11.4 16.2 23.1 20.2 22.3 22.5 16.2 1.5 3.5 17 -2.3 8.2 1.1 12.8 12.6 20.6 23.1 22.1 21.1 14.5 2.1 3.0 18 1.7 7.6 4.3 16.8 19.1 22.7 23.6 23.1 22.8 15.7 6.6 4.6 19 4.8 10.5 11.2 17.4 20.8 22.2 22.3 23.8 22.7 15.7 7.0 5.7 20 6.8 16.1 9.8 18.3 20.0 21.0 23.5 23.0 21.4 18.4 8.2 6.0 21 7.8 14.1 14.8 18.4 22.1 18.3 23.1 23.2 22.7 14.2 1.8 2.7 22 2.2 14.0 10.8 17.3 23.1 20.9 23.6 24.3 21.4 11.8 6.0 0.0 23 -3.1 13.4 5.6 12.1 20.4 21.8 22.2 24.5 23.8 8.8 9.0 3.0 24 -0.5 6.2 10.4 8.1 19.3 21.3 22.3 23.2 23.8 4.5 8.5 10.2 25 5.5 4.4 15.5 11.3 20.1 21.1 22.4 22.7 19.7 3.0 11.9 5.0 26 10.7 5.2 7.8 13.6 20.4 22.0 22.9 23.3 23.9 6.2 14.0 5.6 27 5.0 5.2 5.4 11.7 19.0 21.3 22.6 22.6 24.7 9.0 12.9 12.0 28 4.7 6.6 5.6 14.9 17.3 22.0 21.7 22.0 23.5 9.5 6.1 8.9 29 6.4 0.0 11.1 14.1 17.4 22.4 23.1 23.9 18.2 9.2 1.5 5.8 30 4.4 0.0 16.8 8.0 18.5 22.7 22.7 21.9 20.2 12.6 1.4 10.4 31 4.5 0.0 13.5 0.0 19.5 0.0 22.7 22.7 0.0 10.4 0.0 4.0 ----------------------------------------------------------------------------------------- Max 18.9 16.1 16.8 18.4 23.1 23.8 24.7 24.5 24.7 21.9 20.3 14.1 Min -3.1 1.5 1.1 5.5 8.8 17.4 19.8 20.2 18.2 3.0 1.4 -6.5 Mean 6.3 7.7 8.8 12.5 17.0 21.6 22.7 22.7 22.0 13.8 10.5 3.9 -----------------------------------------------------------------------------------------