Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1920. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 12.2 21.1 13.9 29.4 32.2 31.1 35.0 38.3 34.4 26.1 28.3 21.1 2 11.1 21.1 23.9 26.1 35.0 29.4 35.6 36.1 30.0 29.4 17.8 22.2 3 17.8 18.9 25.6 31.1 35.6 29.4 37.2 30.0 31.1 30.6 20.0 19.4 4 14.4 16.7 9.4 26.7 32.8 30.6 36.1 33.9 29.4 35.6 22.8 21.7 5 11.7 16.7 11.7 21.1 33.3 30.0 31.1 31.7 33.3 31.1 20.6 16.7 6 7.8 19.4 11.1 29.4 31.7 31.7 32.2 28.3 32.2 31.1 26.1 18.3 7 8.9 22.2 1.1 26.7 31.7 33.3 34.4 30.6 32.2 27.8 24.4 13.3 8 7.2 22.2 6.1 29.4 30.0 33.3 35.0 27.8 33.3 29.4 26.1 13.3 9 4.4 21.1 14.4 26.1 31.1 33.3 35.0 27.8 33.3 30.0 28.9 22.2 10 5.6 18.9 21.1 23.9 28.3 33.3 29.4 25.6 33.9 30.0 23.3 19.4 11 5.6 11.1 20.0 30.6 30.0 33.9 33.3 31.7 33.3 30.6 10.0 25.6 12 10.0 15.0 28.3 21.1 31.1 34.4 33.3 31.1 33.9 30.0 8.3 26.7 13 16.7 22.8 25.6 21.1 30.6 34.4 34.4 24.4 33.9 31.7 3.9 23.9 14 19.4 18.3 23.9 26.7 24.4 35.0 35.0 26.1 33.9 32.2 3.3 22.8 15 12.8 15.6 26.7 30.0 25.6 34.4 35.6 30.6 36.1 28.9 6.7 16.7 16 18.3 12.2 29.4 35.0 24.4 35.6 37.2 31.1 35.6 26.7 7.2 18.9 17 20.6 13.3 29.4 36.1 23.3 34.4 36.1 33.3 31.7 29.4 13.9 16.7 18 22.2 21.7 26.7 32.2 28.9 32.2 35.6 32.8 31.7 29.4 19.4 20.6 19 23.3 23.9 29.4 26.7 31.1 29.4 36.1 33.9 34.4 30.6 23.9 14.4 20 21.1 23.9 27.8 26.7 30.6 27.8 37.2 33.9 34.4 30.6 25.6 19.4 21 17.8 23.9 23.9 33.3 31.1 32.2 37.2 35.0 29.4 26.7 25.6 21.1 22 8.3 22.8 21.1 31.7 30.0 34.4 36.7 32.2 32.2 29.4 21.1 13.3 23 5.6 23.9 22.2 31.1 32.2 32.2 37.2 31.1 35.6 24.4 25.6 6.7 24 5.0 13.9 22.2 28.3 31.7 33.3 37.2 32.8 35.0 20.0 19.4 8.9 25 1.7 15.6 24.4 29.4 33.3 33.9 37.2 31.7 33.3 15.6 17.8 11.1 26 12.8 13.3 28.9 20.6 35.0 33.3 36.7 31.1 35.0 21.1 14.4 16.1 27 16.7 16.7 28.3 22.2 35.0 33.3 37.8 33.9 35.6 20.0 13.9 10.6 28 15.6 22.2 23.9 28.3 29.4 33.9 36.1 35.0 35.6 22.2 20.6 10.6 29 15.6 7.8 25.6 30.6 32.8 33.9 33.9 34.4 27.2 22.2 16.7 18.9 30 17.8 0.0 28.3 32.2 33.3 35.0 33.9 35.0 22.8 21.1 17.8 24.4 31 19.4 0.0 26.7 0.0 33.3 0.0 34.4 34.4 0.0 22.2 0.0 22.8 ----------------------------------------------------------------------------------------- Max 23.3 23.9 29.4 36.1 35.6 35.6 37.8 38.3 36.1 35.6 28.9 26.7 Min 1.7 7.8 1.1 20.6 23.3 27.8 29.4 24.4 22.8 15.6 3.3 6.7 Mean 13.1 18.5 22.0 28.1 30.9 32.8 35.3 31.8 32.8 27.3 18.4 18.0 -----------------------------------------------------------------------------------------