Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1966. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 22.8 18.3 19.4 29.4 26.1 30.0 32.2 37.2 33.3 21.7 26.7 19.4 2 21.1 6.1 23.9 26.7 16.7 27.8 32.2 36.7 34.4 26.1 12.2 23.3 3 13.9 11.7 22.8 27.8 23.9 28.9 32.2 35.0 35.0 30.0 20.6 12.2 4 9.4 16.1 19.4 23.9 22.8 29.4 32.8 34.4 33.9 31.1 25.0 14.4 5 15.0 18.3 13.9 18.3 22.8 30.0 33.3 35.6 34.4 23.3 23.3 25.0 6 17.8 21.7 13.3 26.1 23.9 31.7 31.1 35.0 32.8 25.6 27.2 28.9 7 19.4 22.8 15.0 28.3 25.6 31.7 31.7 32.2 33.3 26.7 28.3 27.2 8 18.9 20.6 18.9 26.7 27.8 31.7 33.3 35.0 32.2 30.0 28.9 25.6 9 19.4 18.9 20.6 24.4 30.0 32.2 33.3 35.6 29.4 31.7 26.7 20.6 10 18.3 17.8 18.9 26.1 27.2 32.8 33.3 35.6 27.8 31.1 24.4 18.9 11 20.0 16.7 22.8 27.8 27.8 32.8 34.4 35.0 26.7 28.9 28.3 6.7 12 20.0 15.0 21.7 32.2 26.1 32.2 34.4 27.8 28.3 27.8 27.2 9.4 13 18.9 20.6 21.1 30.6 27.2 31.7 33.3 33.3 32.2 31.7 22.2 13.3 14 12.8 18.9 20.6 20.0 26.7 32.2 34.4 33.3 34.4 32.2 23.3 16.7 15 16.1 7.2 24.4 23.9 29.4 32.2 35.6 33.9 33.9 28.9 23.9 19.4 16 17.2 10.0 25.0 26.7 31.1 32.2 35.6 33.9 23.9 22.8 23.9 17.2 17 13.9 11.1 25.6 26.1 32.2 31.1 36.1 34.4 25.0 22.8 25.6 17.2 18 4.4 17.8 23.9 26.7 33.3 27.2 35.0 35.0 27.8 21.7 26.7 17.8 19 5.0 20.6 25.0 29.4 27.2 30.6 35.6 34.4 27.8 20.6 25.0 22.2 20 2.8 21.1 26.7 29.4 26.7 30.0 35.6 32.8 27.2 20.6 27.8 23.3 21 1.7 19.4 26.1 19.4 30.0 30.6 36.7 34.4 28.3 25.6 26.7 22.2 22 0.6 8.3 25.6 19.4 32.2 31.1 36.1 33.9 30.6 27.8 27.2 21.7 23 3.3 3.3 24.4 24.4 31.7 31.1 35.6 33.9 31.1 26.1 26.7 16.7 24 3.3 8.9 15.6 23.9 28.3 30.6 35.6 32.8 31.1 25.0 24.4 8.3 25 2.8 13.3 17.8 23.3 26.7 32.8 35.0 25.0 31.7 25.6 26.1 9.4 26 7.8 14.4 22.2 25.0 26.1 32.2 35.0 25.6 31.7 27.8 24.4 9.4 27 11.7 13.9 21.1 28.9 26.1 32.2 36.1 28.9 30.0 28.3 23.9 21.1 28 10.6 17.8 20.0 29.4 31.1 31.7 35.6 32.2 27.2 27.2 16.7 21.1 29 2.8 0.0 16.1 27.2 29.4 32.2 36.1 33.3 32.8 28.3 20.0 7.2 30 3.9 0.0 25.0 27.2 31.1 34.4 36.7 33.3 31.7 27.2 21.1 6.1 31 18.3 0.0 30.6 0.0 31.1 0.0 37.2 32.8 0.0 28.3 0.0 11.7 ----------------------------------------------------------------------------------------- Max 22.8 22.8 30.6 32.2 33.3 34.4 37.2 37.2 35.0 32.2 28.9 28.9 Min 0.6 3.3 13.3 18.3 16.7 27.2 31.1 25.0 23.9 20.6 12.2 6.1 Mean 12.1 15.4 21.5 26.0 27.7 31.2 34.6 33.3 30.7 26.8 24.5 17.2 -----------------------------------------------------------------------------------------