Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 2001. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -1.4 4.1 2.2 10.8 18.3 20.3 20.4 23.2 22.4 13.2 18.3 6.0 2 -1.7 3.9 6.7 18.0 20.2 20.0 20.8 24.4 22.2 15.3 18.8 11.9 3 -2.7 2.0 6.9 20.6 19.5 23.5 20.6 22.7 21.2 13.7 17.0 13.4 4 1.9 3.1 5.1 20.3 16.9 23.5 21.0 23.9 21.5 18.5 15.1 17.9 5 4.6 2.2 5.6 20.2 15.7 21.3 22.7 24.2 21.2 13.1 15.2 18.6 6 4.0 7.3 8.6 20.5 16.1 21.1 23.2 23.5 20.8 11.1 10.2 18.1 7 6.9 13.9 7.8 18.8 17.0 22.2 22.5 22.3 23.7 9.7 12.1 16.4 8 1.9 19.2 8.4 19.9 18.2 22.1 22.0 22.8 24.6 13.4 13.6 5.8 9 1.2 0.9 8.0 20.1 17.2 22.0 22.6 24.0 19.3 19.9 11.3 3.0 10 3.6 -3.2 6.3 21.2 16.8 20.4 21.9 22.9 20.7 22.0 11.1 1.9 11 4.7 4.9 13.9 14.9 18.9 22.0 22.5 23.6 20.2 16.9 14.9 4.8 12 5.8 6.1 13.3 14.0 18.7 21.9 22.3 24.3 18.5 15.8 16.1 12.1 13 5.8 11.1 8.3 15.0 17.7 24.3 23.7 24.8 20.6 11.5 15.9 4.8 14 3.8 17.9 11.0 21.4 18.5 25.2 22.7 25.7 22.6 9.2 17.1 1.8 15 3.9 8.0 8.5 19.8 17.2 18.4 23.8 23.1 21.9 12.0 16.3 7.2 16 5.9 1.8 3.9 16.5 20.3 21.1 24.4 23.4 21.4 6.9 16.5 13.7 17 3.0 -0.9 7.0 9.2 21.8 22.1 23.3 23.9 20.2 7.8 15.0 8.3 18 2.0 1.2 5.7 9.9 19.8 20.3 23.4 24.6 20.7 8.8 16.4 5.8 19 0.3 5.4 6.2 10.7 20.2 19.4 23.6 23.6 23.2 17.2 8.4 5.2 20 -3.5 12.9 3.4 20.0 20.2 20.7 24.1 22.8 22.4 14.1 3.6 1.5 21 -0.3 8.9 5.5 19.6 15.4 21.0 22.6 22.9 20.3 14.5 2.9 2.8 22 -0.7 6.2 8.9 20.6 11.4 20.8 21.9 23.6 19.9 18.6 9.9 9.4 23 2.0 9.6 13.2 15.2 14.2 19.2 23.4 23.1 19.1 22.7 15.2 2.8 24 4.6 15.2 7.8 14.0 17.0 20.9 24.6 22.0 16.3 17.5 10.2 -0.9 25 5.1 10.0 8.0 9.7 18.2 19.9 23.5 23.0 14.7 12.3 9.2 1.0 26 9.6 13.0 6.5 13.3 17.2 20.4 23.4 21.7 12.3 12.3 13.4 1.1 27 5.7 11.2 5.2 14.4 19.5 22.4 23.7 21.7 12.3 13.2 1.4 0.6 28 6.1 2.2 5.7 13.8 19.2 22.3 24.9 21.5 14.7 9.5 -1.7 4.3 29 5.6 0.0 8.5 14.5 21.9 22.9 24.5 21.3 13.7 7.2 -1.5 1.8 30 5.8 0.0 7.4 14.9 23.7 23.5 24.9 21.6 14.1 8.1 1.9 -0.8 31 4.2 0.0 6.0 0.0 22.4 0.0 24.0 22.5 0.0 10.5 0.0 -1.5 ----------------------------------------------------------------------------------------- Max 9.6 19.2 13.9 21.4 23.7 25.2 24.9 25.7 24.6 22.7 18.8 18.6 Min -3.5 -3.2 2.2 9.2 11.4 18.4 20.4 21.3 12.3 6.9 -1.7 -1.5 Mean 3.2 7.1 7.4 16.4 18.4 21.5 23.0 23.2 19.6 13.4 11.5 6.4 -----------------------------------------------------------------------------------------