Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1921. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 21.1 15.6 18.9 22.2 28.3 37.8 33.3 34.4 36.1 29.4 25.0 23.3 2 19.4 12.8 25.0 25.6 25.6 35.6 33.3 36.7 36.7 33.9 26.7 26.7 3 25.6 17.2 25.0 27.2 26.1 33.9 33.9 36.1 33.3 31.7 25.6 22.2 4 26.7 26.7 25.6 25.6 27.2 32.2 34.4 37.8 34.4 31.7 29.4 10.0 5 23.9 25.0 25.0 22.8 30.0 31.1 35.0 37.8 31.7 33.3 26.7 21.1 6 23.9 26.7 27.2 24.4 28.3 33.3 36.7 37.2 35.6 31.1 26.1 18.9 7 26.7 22.8 27.2 22.2 29.4 32.8 37.8 37.8 33.3 30.0 27.2 12.8 8 23.3 12.2 26.7 24.4 26.7 34.4 36.7 36.7 29.4 23.9 29.4 10.0 9 13.3 20.0 22.2 20.6 25.0 32.2 33.3 36.7 28.9 30.0 17.2 10.0 10 15.6 19.4 21.1 15.6 33.9 30.6 30.6 36.7 27.8 32.2 20.6 22.8 11 13.9 25.6 26.7 18.3 31.7 28.3 29.4 37.8 32.2 30.6 26.7 23.3 12 7.8 24.4 29.4 18.3 31.7 27.8 33.3 37.2 33.3 23.3 22.2 24.4 13 15.0 26.7 26.7 27.8 32.2 31.7 33.3 36.1 33.3 24.4 32.2 27.8 14 15.6 25.6 27.8 29.4 31.7 32.2 35.6 37.2 33.3 26.7 29.4 27.8 15 23.9 26.7 27.2 28.9 26.7 31.7 35.0 37.2 33.3 26.7 30.6 22.8 16 25.6 23.9 29.4 21.1 27.8 33.3 35.0 36.1 33.3 30.6 31.1 25.6 17 20.0 21.1 28.9 16.7 29.4 33.3 31.1 37.2 33.9 32.2 30.6 19.4 18 23.3 10.0 27.8 21.7 30.6 33.3 33.3 37.2 33.3 35.6 29.4 16.7 19 22.8 4.4 26.7 25.6 31.1 33.9 35.6 36.7 35.0 32.2 14.4 23.9 20 24.4 7.2 28.3 25.6 31.7 35.0 36.1 39.4 33.3 26.7 19.4 27.2 21 23.3 17.8 27.8 28.9 32.8 29.4 37.8 39.4 34.4 27.8 25.6 23.9 22 22.2 22.2 18.3 29.4 32.2 26.7 37.8 40.0 32.2 28.9 27.8 25.6 23 20.6 20.0 21.1 28.9 33.3 31.7 35.0 39.4 33.3 29.4 28.9 24.4 24 22.8 27.8 28.9 29.4 32.2 35.6 35.0 38.9 32.8 29.4 26.7 15.6 25 16.1 21.1 30.0 31.7 32.8 32.2 34.4 38.3 34.4 32.2 21.1 8.9 26 13.3 29.4 27.8 25.6 32.2 30.6 33.3 35.0 30.6 27.8 23.3 18.3 27 13.3 23.9 28.3 27.2 33.9 32.2 35.0 34.4 33.3 31.1 22.8 25.6 28 18.9 22.8 13.3 27.8 33.3 33.9 35.6 33.9 31.7 26.1 21.1 26.7 29 26.1 0.0 17.8 27.2 34.4 33.3 36.1 33.3 33.3 26.7 15.6 22.8 30 17.8 0.0 19.4 27.8 35.0 33.3 35.6 33.3 28.9 23.9 24.4 23.9 31 10.0 0.0 17.8 0.0 36.7 0.0 36.1 33.3 0.0 23.3 0.0 21.1 ----------------------------------------------------------------------------------------- Max 26.7 29.4 30.0 31.7 36.7 37.8 37.8 40.0 36.7 35.6 32.2 27.8 Min 7.8 4.4 13.3 15.6 25.0 26.7 29.4 33.3 27.8 23.3 14.4 8.9 Mean 19.9 20.7 24.9 24.9 30.8 32.4 34.7 36.8 32.9 29.1 25.2 21.1 -----------------------------------------------------------------------------------------