Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1929. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -2.8 -3.3 1.1 8.3 20.0 20.0 22.8 24.4 20.6 16.1 10.6 3.9 2 -8.3 -1.1 0.6 13.3 7.2 20.0 22.8 22.2 20.0 17.2 10.6 -2.8 3 1.7 3.9 8.3 18.3 7.2 20.6 22.8 21.7 20.6 15.6 8.3 -7.2 4 11.1 5.0 7.8 18.9 13.3 22.8 21.7 21.7 21.7 18.9 5.6 -2.8 5 2.2 4.4 1.7 18.9 18.9 20.6 20.6 22.2 23.9 13.9 1.7 -1.1 6 -5.0 1.1 7.2 20.0 20.6 20.0 20.6 22.8 18.9 12.2 7.2 6.7 7 -2.8 1.7 6.1 20.0 15.0 20.6 21.7 22.2 20.6 12.2 11.1 5.6 8 7.2 -5.6 8.3 15.0 20.6 20.6 20.0 22.2 20.6 14.4 12.2 5.6 9 8.9 -11.7 10.0 14.4 17.8 21.1 19.4 23.3 21.7 15.0 11.7 11.1 10 4.4 -8.3 3.3 17.2 18.3 21.7 22.2 22.8 18.9 18.3 7.2 13.9 11 0.6 -6.7 10.0 10.0 20.6 21.1 21.7 22.2 16.1 20.6 13.9 14.4 12 -3.9 -3.9 11.7 10.0 19.4 21.7 21.1 22.8 17.8 19.4 6.7 16.1 13 1.1 -1.1 9.4 14.4 17.2 22.2 21.7 22.8 23.3 19.4 3.9 17.8 14 6.1 -0.6 7.2 17.2 18.3 20.6 21.7 23.3 21.7 16.7 -0.6 16.7 15 3.3 5.0 2.8 11.1 17.8 17.2 21.7 20.0 16.7 17.2 -1.1 17.2 16 2.2 -2.2 3.9 10.0 18.9 21.1 22.2 19.4 20.6 16.1 0.0 13.9 17 7.2 1.7 6.7 13.9 18.9 22.2 23.3 20.0 19.4 15.6 0.6 14.4 18 13.9 7.8 7.8 14.4 14.4 21.1 22.2 21.1 18.3 17.2 1.1 -3.3 19 5.0 -2.8 7.8 17.8 15.6 20.0 25.0 21.7 15.6 16.1 5.0 -7.8 20 6.1 -3.9 12.8 20.0 12.8 20.6 22.8 21.7 15.0 15.0 2.8 -5.6 21 4.4 -1.1 11.7 17.2 13.3 21.1 22.8 21.7 15.6 11.1 1.1 -3.9 22 11.1 0.0 11.7 8.9 15.0 22.2 22.8 22.8 14.4 7.2 -0.6 -12.8 23 8.3 -0.6 12.2 11.7 15.6 21.7 22.2 19.4 16.1 8.3 -3.9 -12.2 24 6.1 7.2 13.9 20.6 16.1 22.2 18.3 21.7 15.0 7.2 0.6 -5.0 25 -6.7 11.1 18.3 11.1 18.3 20.6 18.9 21.1 17.2 5.0 2.2 0.0 26 -4.4 3.3 16.7 8.3 16.1 19.4 19.4 21.7 17.2 8.9 4.4 1.7 27 3.3 5.0 17.2 12.2 20.6 18.3 21.7 21.7 17.8 12.8 4.4 11.1 28 -2.8 1.7 15.6 20.0 16.7 21.7 22.8 21.7 15.0 10.0 4.4 1.1 29 0.6 0.0 8.9 16.7 16.7 17.8 21.1 22.8 15.0 12.8 3.3 1.1 30 3.9 0.0 14.4 17.2 18.9 22.2 20.0 21.1 20.6 18.9 -4.4 1.7 31 2.2 0.0 19.4 0.0 20.6 0.0 23.3 20.0 0.0 10.0 0.0 10.0 ----------------------------------------------------------------------------------------- Max 13.9 11.1 19.4 20.6 20.6 22.8 25.0 24.4 23.9 20.6 13.9 17.8 Min -8.3 -11.7 0.6 8.3 7.2 17.2 18.3 19.4 14.4 5.0 -4.4 -12.8 Mean 2.7 0.2 9.5 14.9 16.8 20.8 21.6 21.8 18.5 14.2 4.3 3.9 -----------------------------------------------------------------------------------------