Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1946. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 3.3 0.0 8.3 15.0 14.4 17.2 20.6 23.3 21.1 10.6 21.7 11.1 2 8.3 1.7 6.1 15.6 17.8 17.8 21.1 22.2 22.2 10.0 17.2 1.1 3 15.0 8.3 7.8 17.2 16.1 13.3 20.6 23.9 22.2 13.3 17.2 1.7 4 17.8 14.4 16.1 15.0 16.1 15.0 19.4 23.9 22.2 21.7 15.6 5.0 5 7.8 9.4 19.4 16.1 13.9 16.1 21.7 23.9 21.7 20.0 10.6 4.4 6 12.8 2.8 8.9 18.9 16.7 15.6 21.7 23.3 20.6 20.0 10.0 6.7 7 8.9 3.3 5.0 20.0 16.1 16.1 22.2 23.3 21.1 16.7 5.0 11.7 8 5.6 12.8 1.7 19.4 15.6 22.8 23.3 22.8 20.0 19.4 8.3 15.0 9 2.2 0.6 3.3 19.4 18.9 19.4 21.7 22.8 22.8 18.9 17.8 17.2 10 4.4 -3.3 6.7 17.2 17.2 20.0 23.3 22.8 21.7 20.6 10.0 15.6 11 2.8 0.0 7.2 13.3 10.6 20.0 22.8 22.8 22.2 10.6 3.3 15.0 12 2.2 7.8 13.3 10.0 11.7 21.7 23.3 23.9 22.2 3.3 8.3 9.4 13 -1.1 5.6 10.6 10.0 15.6 22.2 22.2 22.8 17.8 5.0 9.4 6.7 14 1.1 -2.2 8.3 13.3 18.3 22.2 23.9 23.9 17.8 11.7 9.4 7.8 15 1.7 2.2 11.7 18.9 15.6 22.8 23.9 23.3 18.3 17.2 14.4 11.7 16 -1.7 5.0 10.0 12.2 16.1 22.8 22.8 23.3 20.6 17.8 12.2 11.7 17 -1.1 10.6 10.0 9.4 19.4 22.8 22.2 23.9 20.0 21.1 2.2 4.4 18 5.6 11.7 6.7 10.0 20.6 23.3 21.1 23.9 20.6 13.3 4.4 0.0 19 5.0 6.1 5.6 10.6 21.1 22.2 22.2 23.9 20.0 17.2 4.4 2.2 20 7.8 5.0 5.6 12.8 18.3 20.6 22.2 23.9 20.0 13.9 7.2 2.2 21 -0.6 3.9 9.4 15.0 14.4 19.4 22.8 20.6 20.0 15.6 10.6 2.2 22 -3.9 10.6 14.4 17.8 20.6 21.1 22.2 17.8 21.7 19.4 6.7 4.4 23 -1.7 12.8 15.0 16.7 22.8 22.2 21.1 18.3 17.2 18.9 9.4 4.4 24 2.8 4.4 17.2 15.6 23.3 22.8 21.7 23.3 18.3 20.0 13.3 5.0 25 3.9 5.6 15.0 12.2 21.7 22.2 21.1 22.2 21.7 10.6 4.4 6.1 26 2.8 15.0 12.8 13.3 18.3 22.2 21.1 22.8 20.6 11.1 3.9 7.8 27 -5.0 5.6 8.3 14.4 16.7 23.3 22.8 23.3 20.0 14.4 3.3 15.6 28 1.1 3.9 10.6 13.9 21.7 23.3 23.3 23.3 21.1 16.1 3.3 16.1 29 3.3 0.0 13.9 18.9 22.8 22.2 23.9 20.6 18.9 19.4 8.3 -4.4 30 5.6 0.0 14.4 14.4 19.4 23.9 23.3 21.1 15.6 21.1 10.6 -6.1 31 1.1 0.0 15.6 0.0 22.8 0.0 22.2 20.0 0.0 20.6 0.0 -5.6 ----------------------------------------------------------------------------------------- Max 17.8 15.0 19.4 20.0 23.3 23.9 23.9 23.9 22.8 21.7 21.7 17.2 Min -5.0 -3.3 1.7 9.4 10.6 13.3 19.4 17.8 15.6 3.3 2.2 -6.1 Mean 3.8 5.8 10.3 14.9 17.9 20.6 22.2 22.6 20.3 15.8 9.4 6.6 -----------------------------------------------------------------------------------------