Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1919. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 4.4 15.6 13.9 21.1 28.9 29.4 32.2 33.9 31.1 27.8 29.4 21.1 2 1.1 18.3 23.9 18.3 28.3 30.6 33.3 33.9 29.4 29.4 28.9 16.1 3 5.6 16.7 24.4 21.1 26.7 25.6 33.9 34.4 29.4 32.2 30.6 1.1 4 12.8 10.0 25.6 23.9 31.1 30.6 33.9 34.4 30.0 32.2 22.2 7.8 5 12.8 14.4 22.8 27.8 30.6 32.2 33.3 34.4 31.7 29.4 22.2 20.0 6 14.4 20.6 21.1 27.2 26.7 35.0 32.2 35.0 29.4 26.1 29.4 27.8 7 13.9 17.2 18.9 27.2 26.1 34.4 31.1 35.6 32.2 29.4 25.6 26.7 8 11.1 13.9 16.7 27.2 20.0 33.3 34.4 37.8 32.2 30.6 21.1 23.9 9 12.8 7.2 17.2 25.6 19.4 32.2 35.0 37.2 32.8 32.8 25.6 18.3 10 15.0 12.2 15.0 21.1 23.9 29.4 36.7 33.9 35.6 29.4 19.4 -0.6 11 16.7 23.9 17.2 27.8 23.3 32.2 36.1 35.0 35.0 21.1 18.9 12.8 12 20.0 23.9 20.0 28.9 27.8 32.2 35.6 35.0 33.9 17.2 18.3 21.1 13 21.1 18.3 20.6 27.8 30.6 33.3 34.4 36.1 32.2 18.3 11.1 18.9 14 18.3 16.7 23.9 25.0 29.4 31.1 35.0 35.0 29.4 20.0 16.7 4.4 15 5.6 15.0 24.4 22.2 30.0 27.8 37.2 35.0 29.4 26.7 14.4 10.0 16 3.3 12.8 23.9 20.6 30.0 23.9 36.1 35.0 32.2 23.9 23.9 10.0 17 13.9 10.0 22.8 24.4 28.9 32.2 35.0 35.0 29.4 21.1 23.9 15.6 18 17.2 11.1 18.9 26.1 29.4 32.8 33.3 35.0 32.2 23.9 22.8 15.6 19 17.2 12.8 22.8 26.7 26.7 32.2 34.4 32.2 32.2 24.4 20.0 15.6 20 19.4 18.9 23.9 27.2 27.2 32.2 30.6 33.3 32.2 29.4 24.4 8.9 21 21.1 16.7 25.6 27.2 27.8 32.2 29.4 31.1 31.7 29.4 26.1 12.2 22 18.3 16.7 25.0 27.8 30.6 33.3 28.9 28.3 31.1 28.9 22.8 16.1 23 13.3 17.8 23.9 28.9 26.7 33.9 29.4 29.4 20.6 30.0 27.8 21.1 24 18.3 16.1 22.2 28.9 27.2 31.1 33.3 32.8 26.7 30.6 23.9 16.1 25 17.8 16.1 18.3 28.3 29.4 27.8 34.4 32.2 23.9 31.7 26.7 11.1 26 17.2 12.8 17.8 26.7 28.9 27.8 33.3 32.2 29.4 32.2 17.8 13.3 27 15.0 19.4 17.2 28.3 30.0 27.8 33.9 32.2 30.6 30.0 11.7 18.9 28 13.9 15.6 21.1 26.7 29.4 29.4 33.3 32.2 30.0 23.9 4.4 16.7 29 14.4 0.0 19.4 23.3 31.1 33.3 34.4 32.2 32.2 15.6 11.1 23.9 30 17.2 0.0 20.6 25.6 29.4 32.2 35.6 36.1 31.1 28.3 14.4 23.9 31 18.3 0.0 21.1 0.0 30.6 0.0 33.3 35.0 0.0 26.7 0.0 21.1 ----------------------------------------------------------------------------------------- Max 21.1 23.9 25.6 28.9 31.1 35.0 37.2 37.8 35.6 32.8 30.6 27.8 Min 1.1 7.2 13.9 18.3 19.4 23.9 28.9 28.3 20.6 15.6 4.4 -0.6 Mean 14.2 15.7 21.0 25.6 27.9 31.1 33.7 33.9 30.6 26.9 21.2 15.8 -----------------------------------------------------------------------------------------