Daily minimum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 2002. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 -0.9 0.4 6.9 10.6 21.7 20.3 21.7 22.1 24.3 21.3 8.9 4.3 2 -3.3 -0.7 -3.3 14.1 19.7 20.0 21.5 22.2 23.5 22.3 8.9 4.9 3 -5.8 5.7 -5.9 10.6 15.4 22.3 21.8 23.9 23.7 21.1 11.1 9.0 4 -3.7 6.4 -5.7 10.6 16.3 22.8 23.1 22.2 23.1 23.4 8.9 2.7 5 5.7 2.3 -1.0 12.6 23.0 22.0 23.2 22.7 24.6 20.4 7.8 1.8 6 3.0 1.2 7.8 8.6 23.1 21.2 22.6 23.9 24.6 22.2 3.9 -0.3 7 0.6 -0.7 14.5 12.1 22.1 22.5 22.7 24.6 23.0 20.3 3.9 1.8 8 1.0 2.9 16.8 14.8 23.1 21.7 24.2 25.4 22.4 20.6 7.2 8.5 9 6.4 5.2 5.9 12.8 22.0 23.7 23.4 24.4 22.8 17.9 15.0 5.9 10 11.2 2.9 2.2 14.3 21.4 23.5 22.6 22.7 22.5 16.5 13.9 5.8 11 5.8 -0.9 9.8 13.8 23.5 23.4 23.1 21.4 23.7 16.1 12.8 0.8 12 2.9 0.6 6.8 16.6 15.9 23.3 22.9 23.0 22.5 16.0 8.5 6.6 13 0.7 3.3 15.0 16.9 12.4 22.8 20.5 23.8 22.8 14.6 6.0 4.6 14 6.9 4.9 15.0 17.6 13.4 21.5 21.2 24.0 21.7 11.6 7.5 3.1 15 3.3 6.4 10.9 19.6 13.3 20.4 21.0 21.5 20.9 9.7 8.1 5.0 16 5.6 2.0 8.9 20.9 20.8 18.6 22.5 21.2 20.6 11.2 5.2 12.0 17 7.6 4.5 14.5 20.9 17.3 19.2 22.1 24.1 20.8 10.3 4.4 13.9 18 4.2 9.2 15.7 20.7 13.9 19.6 22.9 23.0 24.1 15.1 8.7 14.8 19 4.5 12.6 14.5 20.4 10.8 19.9 23.5 23.5 19.4 15.4 10.6 6.8 20 1.3 8.7 10.0 20.3 11.4 23.0 22.2 23.6 15.2 14.4 6.7 2.4 21 3.8 8.6 5.6 20.1 11.9 21.6 23.0 23.5 17.5 14.4 8.2 4.4 22 9.7 5.2 0.1 19.2 14.6 21.4 22.6 22.8 18.5 16.8 9.1 2.0 23 16.0 4.7 2.9 20.0 20.2 20.6 23.3 22.9 18.0 16.7 7.4 5.3 24 5.2 5.8 14.6 20.1 19.9 21.7 22.1 23.5 15.5 13.6 7.7 1.4 25 1.2 4.3 6.2 17.9 18.3 20.6 23.0 23.1 19.0 11.1 6.3 -1.5 26 3.0 -3.3 2.0 16.8 18.3 20.9 23.7 24.4 18.5 11.1 3.4 1.0 27 5.1 -6.8 4.8 21.5 18.5 20.5 23.4 23.2 18.2 13.9 2.5 2.6 28 11.3 -2.3 9.1 23.0 17.4 21.6 25.0 22.5 18.4 16.1 0.9 3.5 29 18.7 0.0 18.6 21.2 18.7 22.0 24.8 22.4 18.3 11.1 2.5 6.1 30 8.1 0.0 16.3 21.0 19.9 21.3 24.2 21.8 19.3 11.1 7.6 12.8 31 4.3 0.0 12.6 0.0 19.8 0.0 23.6 23.1 0.0 8.9 0.0 0.0 ----------------------------------------------------------------------------------------- Max 18.7 12.6 18.6 23.0 23.5 23.7 25.0 25.4 24.6 23.4 15.0 14.8 Min -5.8 -6.8 -5.9 8.6 10.8 18.6 20.5 21.2 15.2 8.9 0.9 -1.5 Mean 4.6 3.3 8.1 17.0 18.0 21.5 22.8 23.1 20.9 15.7 7.4 4.9 -----------------------------------------------------------------------------------------