Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1990. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 2.8 10.0 3.3 14.4 13.3 21.7 21.1 22.2 21.7 17.8 12.2 6.1 2 7.2 7.8 3.9 13.9 15.6 25.0 22.8 22.2 20.0 20.0 15.0 11.7 3 11.1 5.0 5.6 9.4 15.0 22.8 22.8 21.7 21.7 22.2 17.8 3.9 4 8.3 1.1 8.3 11.1 12.2 21.7 22.2 23.9 21.7 20.0 5.6 0.6 5 6.7 1.7 10.6 13.9 11.1 20.0 23.3 22.2 24.4 20.0 1.7 0.0 6 5.6 9.4 15.0 6.7 13.3 22.2 22.8 21.1 23.9 22.2 5.0 3.3 7 3.9 8.3 14.4 5.6 13.3 24.4 21.7 21.1 21.7 23.9 11.1 2.8 8 0.6 13.9 15.6 8.9 17.8 23.3 20.6 18.9 22.8 18.3 8.3 0.6 9 5.6 11.1 17.8 14.4 17.8 22.8 22.2 20.6 20.0 8.9 7.2 1.7 10 5.6 6.7 17.8 13.3 12.8 22.2 22.8 20.0 20.0 5.6 4.4 3.3 11 7.8 5.0 18.9 8.9 18.3 21.7 22.2 20.6 20.6 7.8 7.2 6.7 12 4.4 6.1 18.3 8.9 20.0 21.7 23.3 22.2 20.6 9.4 7.8 13.3 13 -1.7 14.4 18.9 13.9 17.2 25.0 22.2 21.1 21.7 11.7 11.7 9.4 14 9.4 8.9 10.6 13.9 21.7 24.4 17.2 22.8 21.7 13.3 10.0 10.6 15 15.0 6.1 7.2 12.2 22.8 23.9 18.9 22.8 23.9 17.8 11.1 13.3 16 16.1 5.0 8.3 17.2 23.9 23.9 19.4 22.8 22.2 16.7 13.9 11.7 17 17.8 1.7 5.6 15.6 19.4 21.7 20.6 22.8 21.1 18.9 13.9 11.7 18 14.4 5.6 7.2 12.8 21.7 22.8 21.1 23.9 22.8 10.6 13.3 6.7 19 10.6 8.9 7.2 13.9 22.8 22.8 20.6 23.9 21.7 7.8 13.9 3.9 20 7.8 6.7 3.3 19.4 23.3 21.1 20.0 22.8 21.7 11.1 18.3 11.1 21 3.3 6.1 6.1 18.9 22.8 22.2 21.1 23.9 22.8 8.9 18.9 -7.8 22 6.1 5.0 13.3 17.8 18.9 22.2 22.2 22.2 21.7 6.1 15.0 -9.4 23 8.3 3.9 13.3 18.3 16.7 23.9 21.1 23.3 16.1 5.6 11.7 -11.1 24 9.4 7.8 3.3 17.2 20.6 23.3 21.7 23.3 13.3 9.4 10.6 -10.6 25 2.8 8.9 1.7 19.4 21.1 23.9 22.8 23.3 15.0 11.1 15.6 -5.6 26 0.0 8.3 4.4 13.9 22.2 22.8 20.6 23.3 18.3 9.4 21.7 2.2 27 9.4 12.8 6.7 13.9 23.9 22.8 21.7 24.4 19.4 9.4 12.2 1.7 28 2.8 4.4 11.1 11.7 21.7 22.2 23.9 23.3 20.0 13.3 5.0 5.0 29 0.0 0.0 11.7 20.0 18.3 22.8 23.3 23.3 20.0 12.2 3.3 5.0 30 0.6 0.0 12.2 15.6 23.3 22.2 23.9 23.9 18.3 12.8 2.2 -6.7 31 7.2 0.0 11.1 0.0 22.8 0.0 22.8 25.0 0.0 12.8 0.0 -8.3 ----------------------------------------------------------------------------------------- Max 17.8 14.4 18.9 20.0 23.9 25.0 23.9 25.0 24.4 23.9 21.7 13.3 Min -1.7 1.1 1.7 5.6 11.1 20.0 17.2 18.9 13.3 5.6 1.7 -11.1 Mean 6.7 7.2 10.1 13.8 18.9 22.8 21.7 22.5 20.7 13.4 10.9 2.8 -----------------------------------------------------------------------------------------