Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1958. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 10.6 20.0 16.1 21.1 22.8 34.4 33.9 37.2 35.6 18.3 22.2 11.7 2 12.8 20.0 14.4 23.3 23.9 33.3 33.9 38.9 35.0 20.0 21.1 19.4 3 13.9 17.2 15.6 28.3 23.9 33.9 33.3 37.8 35.6 18.3 18.9 22.8 4 12.2 19.4 14.4 30.6 26.7 33.9 33.9 38.3 35.0 24.4 19.4 27.8 5 9.4 23.3 16.7 29.4 25.6 33.9 34.4 36.7 32.8 27.8 21.7 24.4 6 15.0 21.7 19.4 23.9 26.7 35.0 34.4 36.7 30.6 25.6 22.2 12.2 7 12.8 10.6 25.0 22.8 27.8 34.4 28.9 37.2 30.6 29.4 22.2 10.6 8 11.1 13.3 24.4 21.7 30.0 33.9 31.1 36.7 29.4 30.6 24.4 21.1 9 12.8 12.8 20.6 24.4 28.9 33.9 33.9 36.1 31.7 31.7 28.9 18.9 10 18.3 4.4 18.3 22.8 30.0 35.6 33.3 36.1 32.2 30.0 27.2 5.6 11 17.8 2.8 16.7 19.4 31.7 35.0 33.3 37.2 30.6 25.6 25.0 14.4 12 16.1 3.3 8.9 20.0 31.1 35.0 33.3 38.3 30.6 26.1 24.4 13.3 13 15.6 7.2 10.6 17.8 30.0 35.0 33.9 38.3 30.0 27.2 25.6 12.2 14 20.0 15.0 12.8 19.4 28.9 35.0 34.4 37.8 31.1 25.0 25.0 5.0 15 15.6 7.2 16.7 25.0 28.9 35.0 35.0 37.8 33.9 25.0 26.7 10.6 16 18.3 8.9 19.4 25.6 29.4 33.3 35.0 37.2 31.1 25.0 27.2 18.3 17 18.3 9.4 18.9 23.9 28.9 31.1 35.0 37.2 24.4 25.0 26.1 18.9 18 17.2 9.4 8.3 21.1 29.4 32.8 35.0 36.1 27.8 28.3 16.7 20.0 19 13.9 8.3 14.4 26.1 28.3 33.9 35.0 35.0 30.0 30.6 18.9 20.0 20 12.8 13.9 18.3 25.6 27.2 34.4 36.1 35.6 28.3 29.4 20.6 18.3 21 12.2 13.9 20.6 28.3 28.9 33.9 35.6 34.4 30.0 27.8 23.3 15.6 22 15.6 11.7 21.7 29.4 32.2 31.1 36.1 34.4 28.9 25.6 23.3 15.6 23 13.9 13.3 22.2 32.8 32.8 30.6 36.1 31.1 33.3 26.7 25.6 23.3 24 15.6 17.8 15.6 31.1 33.9 33.3 36.1 30.6 32.8 28.3 27.2 18.9 25 18.3 19.4 11.7 18.9 32.8 33.9 36.7 31.1 32.8 32.8 26.1 16.1 26 19.4 22.2 16.1 24.4 35.0 33.3 36.7 33.9 31.7 17.8 24.4 16.7 27 18.3 19.4 21.7 26.1 36.1 30.0 36.7 36.7 27.8 15.6 7.8 16.7 28 15.6 18.3 21.7 26.7 35.6 30.6 36.1 37.2 26.1 14.4 6.1 18.9 29 15.0 0.0 24.4 26.7 34.4 32.8 36.7 35.6 27.8 13.3 12.2 16.7 30 22.2 0.0 23.3 16.1 33.9 33.9 37.2 35.0 27.8 16.7 12.8 12.2 31 21.1 0.0 20.6 0.0 34.4 0.0 37.2 35.0 0.0 17.8 0.0 4.4 ----------------------------------------------------------------------------------------- Max 22.2 23.3 25.0 32.8 36.1 35.6 37.2 38.9 35.6 32.8 28.9 27.8 Min 9.4 2.8 8.3 16.1 22.8 30.0 28.9 30.6 24.4 13.3 6.1 4.4 Mean 15.5 13.7 17.7 24.4 30.0 33.5 34.8 36.0 30.8 24.5 21.8 16.1 -----------------------------------------------------------------------------------------