Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1930. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 21.7 12.2 18.3 22.8 27.2 28.9 37.2 40.0 34.4 28.9 21.1 18.3 2 18.3 13.9 13.3 29.4 26.1 31.1 36.7 40.0 34.4 28.9 22.2 14.4 3 13.3 18.9 10.6 25.0 26.1 31.1 36.7 37.2 35.6 25.6 25.0 16.1 4 11.1 17.8 16.7 30.0 25.0 31.7 36.1 36.1 33.3 22.8 26.7 19.4 5 16.7 17.8 26.1 30.6 27.2 32.8 35.6 35.6 35.0 22.8 23.9 17.2 6 20.6 22.8 30.0 31.1 27.2 31.1 35.0 35.6 35.0 22.2 20.0 10.0 7 19.4 24.4 26.7 35.6 28.3 30.0 34.4 36.1 36.7 27.8 19.4 13.3 8 16.7 23.9 17.8 34.4 27.2 30.6 34.4 37.2 36.7 29.4 16.1 18.3 9 0.0 25.0 22.8 31.7 26.7 31.1 32.8 36.7 35.6 28.9 18.9 17.8 10 -1.1 22.8 26.1 31.1 25.0 29.4 34.4 37.2 30.6 30.6 16.7 22.8 11 0.0 19.4 22.2 27.8 25.0 28.3 35.6 37.8 34.4 30.6 15.0 17.8 12 8.9 28.3 25.0 28.3 23.9 30.6 35.6 39.4 35.0 28.3 17.8 18.3 13 13.3 24.4 23.3 28.9 28.9 28.9 38.9 39.4 35.0 27.8 20.6 19.4 14 15.0 19.4 21.7 28.3 30.6 30.6 37.2 38.3 35.0 28.9 26.7 21.1 15 7.2 17.2 22.2 25.0 30.6 30.6 35.0 38.3 33.3 28.9 26.7 18.3 16 2.2 15.6 21.1 30.0 26.7 30.0 36.1 38.3 33.9 28.9 24.4 3.9 17 -1.1 20.6 21.1 26.1 26.1 33.9 36.1 38.3 31.7 26.1 26.7 11.1 18 -2.8 24.4 20.6 30.6 27.8 35.6 35.6 38.3 32.2 22.8 26.7 13.3 19 -1.7 23.3 18.9 30.6 27.2 33.9 36.7 40.0 33.9 21.1 25.6 13.3 20 0.6 23.9 24.4 28.9 27.8 34.4 36.1 38.9 32.2 23.3 23.3 15.0 21 0.6 22.2 20.6 31.1 28.3 33.9 35.6 37.8 34.4 26.7 14.4 11.1 22 0.0 30.0 18.9 31.1 30.0 35.0 36.1 39.4 32.2 27.2 12.8 8.3 23 6.7 27.8 25.6 30.0 27.8 35.6 35.0 36.7 30.0 25.0 12.8 13.3 24 9.4 28.3 24.4 30.0 23.3 35.0 36.7 35.0 34.4 18.9 12.8 11.1 25 9.4 25.6 17.2 27.2 24.4 37.2 36.7 27.2 35.0 20.6 16.1 12.8 26 11.7 20.0 17.2 30.0 27.2 38.9 36.1 31.1 32.2 26.1 12.8 12.2 27 12.8 17.2 8.9 29.4 28.3 38.9 36.7 33.9 25.0 22.8 19.4 8.9 28 8.3 18.3 12.8 26.7 25.6 37.8 37.2 35.0 22.8 22.8 19.4 12.2 29 8.3 0.0 16.7 27.8 29.4 37.8 37.2 32.2 25.0 19.4 18.9 13.9 30 12.8 0.0 21.7 27.8 29.4 36.1 37.2 31.7 27.8 20.0 16.1 9.4 31 15.0 0.0 23.3 0.0 26.7 0.0 40.0 36.1 0.0 19.4 0.0 6.7 ----------------------------------------------------------------------------------------- Max 21.7 30.0 30.0 35.6 30.6 38.9 40.0 40.0 36.7 30.6 26.7 22.8 Min -2.8 12.2 8.9 22.8 23.3 28.3 32.8 27.2 22.8 18.9 12.8 3.9 Mean 8.8 21.6 20.5 29.2 27.1 33.0 36.1 36.6 32.8 25.3 20.0 14.2 -----------------------------------------------------------------------------------------