Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1922. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 13.3 15.6 3.3 21.1 22.8 27.8 27.8 33.9 33.3 28.9 17.2 24.4 2 15.6 15.6 3.3 20.6 23.3 27.2 28.3 33.3 32.2 28.9 23.9 23.9 3 23.9 17.8 11.1 22.2 23.9 25.6 26.7 36.7 35.0 26.7 25.0 23.9 4 23.3 15.6 16.7 22.2 26.1 28.9 26.1 36.1 32.2 28.9 27.8 24.4 5 15.6 20.0 23.3 26.1 26.1 28.9 25.0 33.3 32.2 27.8 27.2 24.4 6 11.1 19.4 23.3 26.7 25.6 25.6 31.1 35.6 33.9 30.0 20.6 22.2 7 10.0 17.2 17.8 25.6 27.2 25.6 31.1 35.6 37.2 30.6 21.1 24.4 8 17.8 15.6 16.1 25.0 27.2 28.9 33.3 29.4 35.6 25.6 20.6 24.4 9 15.6 27.2 16.7 20.0 25.0 25.6 32.8 33.3 32.2 26.7 19.4 17.2 10 15.6 26.1 18.9 20.6 25.6 25.6 32.2 31.1 27.8 26.7 20.0 12.2 11 12.8 26.1 21.1 21.7 25.6 29.4 32.2 32.2 26.7 27.2 25.0 12.2 12 16.7 25.0 22.2 25.0 25.6 29.4 32.2 32.2 29.4 26.7 25.0 13.3 13 21.1 12.2 22.2 26.7 24.4 26.7 31.7 35.6 31.1 26.1 14.4 6.1 14 18.9 7.2 20.0 26.1 26.7 30.0 31.1 31.1 31.7 24.4 11.1 18.9 15 20.0 7.8 20.0 25.0 27.8 31.1 31.7 29.4 31.1 26.1 10.0 18.9 16 16.7 15.6 20.0 26.7 23.3 33.9 31.7 33.3 31.1 28.3 13.9 13.3 17 15.6 19.4 25.6 26.7 26.7 31.1 30.6 35.0 30.6 27.8 13.3 8.9 18 17.8 30.0 25.6 22.2 27.2 32.2 30.6 35.6 30.0 18.3 19.4 8.3 19 4.4 25.0 23.3 21.1 28.9 32.8 36.7 33.9 30.0 19.4 19.4 3.9 20 -1.7 25.0 24.4 23.3 28.9 27.8 36.7 33.9 27.2 25.6 15.0 16.7 21 7.2 25.0 25.0 23.3 28.9 28.9 33.9 34.4 28.9 27.2 13.9 12.2 22 7.2 25.0 23.9 22.2 27.2 31.1 33.3 33.9 28.3 25.0 12.8 16.7 23 4.4 16.7 23.9 23.9 24.4 33.3 32.2 33.9 31.1 23.9 16.7 16.1 24 3.3 8.9 21.7 23.9 25.0 33.3 33.3 33.9 30.6 24.4 19.4 23.9 25 4.4 7.2 21.7 23.9 32.8 35.0 33.3 35.6 30.0 23.9 22.2 22.2 26 7.2 13.9 19.4 25.0 29.4 35.6 33.3 35.6 31.1 20.0 11.7 22.2 27 7.2 10.0 19.4 21.1 33.3 32.2 36.7 29.4 30.6 20.0 26.7 19.4 28 6.1 8.9 20.0 20.0 30.6 32.2 36.7 31.1 30.6 22.2 21.1 18.3 29 8.3 0.0 20.0 18.9 30.0 32.2 32.2 32.8 27.8 26.7 22.8 20.6 30 8.3 0.0 23.9 18.3 25.0 31.7 33.3 35.0 30.0 26.1 25.0 22.2 31 12.2 0.0 23.9 0.0 28.9 0.0 33.3 35.6 0.0 25.0 0.0 21.7 ----------------------------------------------------------------------------------------- Max 23.9 30.0 25.6 26.7 33.3 35.6 36.7 36.7 37.2 30.6 27.8 24.4 Min -1.7 7.2 3.3 18.3 22.8 25.6 25.0 29.4 26.7 18.3 10.0 3.9 Mean 12.3 17.8 19.9 23.2 26.9 30.0 32.0 33.6 31.0 25.6 19.4 18.0 -----------------------------------------------------------------------------------------