Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1951. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 12.2 -13.3 17.8 11.1 12.8 21.1 23.9 25.0 24.4 17.2 4.4 13.3 2 14.4 -15.6 13.9 3.3 11.1 21.1 25.0 23.3 25.6 17.8 1.1 15.0 3 1.1 -9.4 17.8 6.1 17.2 17.8 23.9 23.9 26.1 20.6 -3.3 16.7 4 5.0 -2.2 2.8 7.8 16.1 16.7 23.3 26.1 23.9 22.2 3.3 8.3 5 4.4 3.9 3.9 14.4 15.6 17.8 23.9 26.1 23.9 22.2 12.2 7.8 6 3.9 13.9 3.9 16.1 16.7 19.4 22.2 26.7 25.0 23.9 0.0 15.6 7 -4.4 1.7 12.2 9.4 10.6 21.1 22.2 25.6 23.9 11.1 3.3 12.8 8 -4.4 1.1 8.9 7.2 11.7 22.2 22.8 25.0 23.9 7.8 3.9 9.4 9 -3.3 9.4 7.8 10.0 18.3 21.7 23.9 24.4 22.8 11.7 7.8 0.6 10 5.6 5.0 9.4 7.8 17.2 22.8 23.9 24.4 20.0 12.2 13.9 2.8 11 0.6 11.1 13.9 6.1 15.0 18.9 22.8 23.9 22.2 11.7 16.7 0.6 12 8.9 14.4 13.9 1.7 14.4 18.3 22.8 23.3 21.7 12.8 17.8 3.3 13 15.0 -3.3 13.9 3.3 13.3 16.7 23.3 24.4 17.2 13.3 20.6 7.8 14 6.1 -5.6 17.2 9.4 18.3 22.2 22.8 26.1 17.8 15.0 11.7 7.2 15 -0.6 -5.6 9.4 17.8 18.3 22.2 22.8 24.4 20.0 15.6 13.3 -5.6 16 4.4 -4.4 10.6 6.7 18.3 18.9 22.2 25.6 17.2 15.0 5.6 -5.6 17 7.2 0.6 15.6 6.1 17.2 21.7 22.8 25.0 13.3 15.6 0.6 6.7 18 6.7 11.7 15.0 9.4 17.8 22.8 25.6 25.6 12.8 17.2 -3.9 2.2 19 5.6 12.8 10.6 13.9 17.2 22.8 25.6 22.2 16.1 13.9 1.1 2.8 20 13.3 10.6 15.6 18.3 12.2 22.8 26.1 22.2 16.7 13.9 1.1 12.8 21 -0.6 2.8 16.1 17.2 18.3 23.9 25.6 23.9 19.4 16.7 11.7 -7.2 22 -1.7 7.8 15.6 12.8 17.8 22.2 23.9 23.3 16.7 20.6 17.8 -4.4 23 4.4 12.8 8.3 8.9 16.7 22.8 23.3 23.3 19.4 17.2 19.4 5.0 24 3.3 13.9 8.3 12.8 17.8 22.2 25.0 22.8 21.7 8.9 12.2 6.1 25 0.6 12.8 10.0 18.3 14.4 23.3 25.6 24.4 20.0 12.2 11.7 14.4 26 1.1 13.3 11.1 17.2 16.7 20.6 23.9 23.9 18.9 16.7 7.8 1.1 27 12.2 13.9 15.6 18.3 18.9 21.7 25.0 24.4 23.3 16.7 6.1 -1.1 28 -1.7 17.8 10.6 19.4 18.9 21.7 23.9 24.4 20.0 11.1 6.7 2.2 29 -8.3 0.0 13.9 15.6 20.0 22.2 25.6 24.4 16.1 11.1 5.0 8.3 30 -10.6 0.0 18.9 20.0 20.6 23.3 23.9 25.0 18.3 16.1 8.3 12.8 31 -9.4 0.0 17.8 0.0 21.1 0.0 26.1 25.0 0.0 11.7 0.0 17.8 ----------------------------------------------------------------------------------------- Max 15.0 17.8 18.9 20.0 21.1 23.9 26.1 26.7 26.1 23.9 20.6 17.8 Min -10.6 -15.6 2.8 1.7 10.6 16.7 22.2 22.2 12.8 7.8 -3.9 -7.2 Mean 2.9 4.7 12.3 11.6 16.5 21.1 24.0 24.5 20.3 15.1 7.9 6.1 -----------------------------------------------------------------------------------------