Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1992. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 8.9 6.7 11.1 9.4 13.9 17.8 22.8 23.3 22.2 10.6 12.8 4.4 2 7.2 11.1 14.4 6.7 18.3 17.2 26.1 23.3 23.3 12.8 6.7 4.4 3 4.4 10.6 15.6 5.0 18.3 16.7 23.3 23.3 21.1 13.9 8.9 3.3 4 7.2 7.2 12.8 7.2 17.8 18.3 19.4 24.4 19.4 15.0 2.8 6.1 5 9.4 3.9 13.3 11.1 16.7 19.4 22.8 22.2 22.2 13.9 0.6 1.1 6 6.1 1.1 12.2 12.2 12.8 18.9 21.7 22.8 23.3 15.0 5.0 1.7 7 11.1 3.9 13.9 11.7 8.9 21.1 21.1 22.2 22.2 13.3 2.8 -0.6 8 7.2 2.2 16.1 15.6 10.6 20.0 23.3 23.3 23.3 9.4 11.1 5.6 9 5.0 6.1 12.2 15.0 11.1 21.1 22.2 23.9 23.3 10.0 17.2 7.2 10 6.1 5.6 2.8 15.0 17.8 19.4 23.3 23.3 19.4 18.9 18.9 7.8 11 6.1 12.8 2.2 15.6 20.6 20.0 22.8 23.3 20.6 12.8 12.8 3.9 12 6.7 13.9 2.8 18.9 20.6 21.7 23.3 22.8 21.1 13.9 7.2 6.7 13 2.8 12.2 6.7 16.1 19.4 22.8 22.8 23.3 21.1 15.0 5.6 14.4 14 -0.6 16.7 7.8 16.7 18.9 22.8 23.9 21.7 21.1 16.1 3.9 3.3 15 -2.8 11.7 11.1 18.3 17.8 23.3 23.9 21.1 20.6 21.7 4.4 2.8 16 -6.7 10.0 14.4 17.2 17.2 25.0 23.9 18.3 19.4 17.2 7.8 3.9 17 1.7 10.0 15.0 15.0 16.7 24.4 23.9 16.7 21.1 16.1 11.1 1.7 18 2.8 8.3 15.0 13.3 18.3 23.3 21.1 17.8 22.2 14.4 15.6 1.1 19 -0.6 5.0 9.4 16.1 19.4 23.3 21.1 18.9 22.2 11.1 12.2 8.3 20 -1.1 6.7 6.7 11.7 18.9 22.2 21.1 19.4 23.3 16.1 10.0 3.9 21 2.8 7.2 11.7 10.0 16.7 23.3 21.1 19.4 20.6 16.1 6.1 4.4 22 6.7 12.8 6.7 12.8 15.0 21.7 22.2 20.6 21.1 15.6 5.0 11.1 23 4.4 10.0 2.8 15.0 18.3 20.6 22.2 18.9 17.8 17.2 4.4 10.0 24 1.1 10.0 6.1 18.9 18.9 21.7 22.2 20.6 14.4 16.1 5.6 3.9 25 4.4 3.9 12.2 14.4 17.8 22.8 22.2 21.7 14.4 17.8 2.2 6.1 26 9.4 2.2 10.0 12.2 17.8 22.8 23.3 22.8 20.6 15.6 -0.6 5.0 27 8.9 6.7 13.3 13.3 17.2 20.0 22.8 21.1 20.6 14.4 -2.8 5.6 28 8.3 6.7 12.8 13.9 13.9 22.8 23.9 16.7 17.2 14.4 0.0 12.8 29 8.9 10.0 14.4 17.2 12.8 20.6 22.8 18.9 15.0 17.8 1.1 18.3 30 7.8 0.0 8.9 13.3 13.3 22.2 22.8 17.8 12.2 16.1 2.2 19.4 31 7.2 0.0 8.3 0.0 17.2 0.0 22.8 20.0 0.0 20.0 0.0 0.0 ----------------------------------------------------------------------------------------- Max 11.1 16.7 16.1 18.9 20.6 25.0 26.1 24.4 23.3 21.7 18.9 19.4 Min -6.7 1.1 2.2 5.0 8.9 16.7 19.4 16.7 12.2 9.4 -2.8 -0.6 Mean 4.9 8.1 10.4 13.6 16.5 21.2 22.7 21.1 20.2 15.1 6.7 6.1 -----------------------------------------------------------------------------------------