Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1981. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 18.9 11.1 12.2 28.9 28.3 31.1 32.2 35.0 34.4 33.3 21.7 15.6 2 16.1 6.1 13.3 23.3 23.9 30.0 33.9 34.4 28.3 32.2 23.9 20.0 3 20.6 13.3 17.2 27.2 21.7 26.1 33.9 35.6 31.7 32.2 25.6 25.0 4 10.6 8.3 22.8 23.9 23.9 23.9 30.0 35.6 32.8 33.3 25.0 15.6 5 10.0 4.4 15.0 21.7 24.4 30.0 26.7 35.6 32.8 32.8 27.8 14.4 6 15.6 7.8 12.2 22.8 26.1 32.8 30.0 36.7 32.8 26.1 22.2 15.0 7 12.2 21.1 16.1 24.4 26.7 34.4 29.4 32.8 33.3 23.9 23.9 17.2 8 14.4 8.9 12.8 24.4 28.3 33.3 32.2 34.4 30.0 15.6 22.8 19.4 9 13.3 15.6 14.4 27.8 27.2 32.8 32.8 33.9 30.6 22.8 11.7 21.7 10 10.6 21.1 16.1 26.1 23.9 33.9 33.9 36.7 31.7 23.3 16.7 26.1 11 10.0 -1.1 13.9 25.0 24.4 26.1 34.4 35.0 33.3 27.8 20.6 22.8 12 8.9 7.8 11.7 27.2 28.9 26.1 32.8 35.0 33.3 31.7 19.4 11.1 13 15.6 7.2 17.2 28.3 30.6 28.3 32.8 35.6 34.4 26.7 22.2 7.2 14 15.6 16.1 25.6 23.9 25.0 28.3 32.8 36.1 27.8 31.7 23.3 7.8 15 13.9 17.2 22.2 23.3 23.9 31.1 33.3 37.2 31.1 31.1 27.8 14.4 16 10.6 18.9 19.4 23.9 28.9 24.4 32.8 38.3 27.2 30.6 23.9 20.6 17 5.0 21.7 22.8 27.8 30.6 28.3 33.9 25.0 23.9 30.0 22.2 5.6 18 5.6 22.2 16.1 25.6 33.3 31.1 33.9 29.4 22.8 21.7 26.7 6.7 19 1.7 26.1 17.2 28.9 22.8 32.2 34.4 29.4 25.6 21.7 20.0 7.8 20 12.8 26.7 21.1 31.1 23.9 32.8 35.0 31.7 29.4 25.6 15.0 10.6 21 11.1 25.6 25.0 28.3 26.1 32.8 34.4 31.1 31.7 23.3 18.9 22.8 22 13.9 17.8 15.6 23.3 27.8 32.8 35.0 32.2 31.7 19.4 23.3 23.3 23 20.0 24.4 17.2 21.7 31.1 32.8 35.6 33.9 31.7 15.6 27.2 9.4 24 23.9 23.9 21.1 24.4 27.2 31.7 36.1 35.0 32.2 16.7 23.9 6.7 25 23.3 17.2 17.8 23.3 28.3 32.2 35.0 34.4 31.7 24.4 26.7 13.3 26 21.7 22.2 24.4 26.1 31.7 31.7 35.0 35.0 33.3 18.9 26.7 20.0 27 17.8 21.7 23.3 27.2 30.0 31.7 32.8 35.0 32.2 23.3 16.1 20.0 28 20.0 21.1 22.8 27.8 31.7 31.1 33.9 35.0 32.8 23.9 19.4 12.8 29 23.3 0.0 24.4 30.0 26.7 32.2 34.4 33.3 35.6 25.0 20.6 11.7 30 15.0 0.0 29.4 32.2 28.9 32.8 35.0 30.0 31.7 23.3 21.1 7.2 31 11.1 0.0 26.7 0.0 29.4 0.0 35.0 31.7 0.0 22.8 0.0 23.9 ----------------------------------------------------------------------------------------- Max 23.9 26.7 29.4 32.2 33.3 34.4 36.1 38.3 35.6 33.3 27.8 26.1 Min 1.7 -1.1 11.7 21.7 21.7 23.9 26.7 25.0 22.8 15.6 11.7 5.6 Mean 14.3 16.2 18.9 26.0 27.3 30.6 33.3 33.9 31.1 25.5 22.2 15.3 -----------------------------------------------------------------------------------------