Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1957. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 22.2 17.8 20.6 25.6 22.8 30.0 35.0 38.3 36.1 27.8 27.8 16.7 2 16.1 15.0 24.4 26.1 25.6 26.1 36.1 38.3 38.3 30.0 25.6 20.0 3 18.3 20.0 24.4 25.0 25.0 26.1 36.1 37.8 35.0 30.0 24.4 18.3 4 22.8 26.1 23.3 23.9 20.6 26.7 36.1 38.3 34.4 30.6 15.6 20.6 5 22.2 25.0 21.1 20.0 20.6 28.9 37.2 37.2 35.6 31.1 16.1 18.9 6 22.8 17.8 13.3 23.9 21.1 31.1 37.2 32.8 36.7 29.4 14.4 18.3 7 21.7 25.0 10.6 27.2 20.6 31.1 37.2 34.4 35.0 28.3 20.6 18.3 8 25.0 26.1 15.0 26.7 26.1 32.2 36.1 35.6 24.4 29.4 18.9 16.7 9 26.1 29.4 21.1 17.8 24.4 32.8 34.4 35.6 29.4 26.1 16.1 18.3 10 25.0 27.8 25.6 22.8 28.3 33.9 36.1 34.4 31.1 21.7 13.9 25.0 11 7.8 23.9 25.0 23.9 28.3 33.9 36.7 38.3 33.3 25.0 11.1 15.0 12 20.0 26.1 24.4 22.8 28.3 32.8 37.2 37.8 32.2 26.7 15.6 12.8 13 25.0 23.3 21.7 7.2 26.1 32.2 36.7 38.3 33.9 26.1 17.8 21.1 14 22.8 23.3 21.1 16.1 28.3 32.8 36.7 38.3 34.4 18.3 22.8 21.7 15 5.0 27.2 17.2 17.8 30.6 32.2 35.0 37.8 33.3 19.4 26.1 23.9 16 1.7 26.7 21.7 21.1 30.0 32.8 36.1 37.2 31.1 25.6 26.1 21.7 17 9.4 15.6 20.6 26.7 30.0 32.8 36.1 38.3 32.8 25.0 26.7 20.6 18 13.3 15.6 21.7 28.9 28.3 32.2 37.2 37.2 32.2 23.9 23.9 24.4 19 13.9 10.0 21.1 26.7 27.2 32.8 37.2 33.9 34.4 21.1 18.9 23.9 20 20.0 10.0 16.1 27.8 30.0 32.2 37.8 35.6 36.1 18.3 22.8 20.0 21 22.2 15.6 21.7 26.7 31.1 31.7 38.3 36.1 35.0 20.6 21.1 20.0 22 21.1 18.3 25.0 27.8 31.7 33.9 34.4 36.1 33.9 26.7 7.8 21.1 23 12.2 15.6 24.4 27.2 30.6 34.4 33.9 36.7 21.7 26.1 6.1 20.0 24 6.7 16.7 17.2 21.7 31.7 31.1 35.6 37.2 26.7 23.3 5.6 19.4 25 7.8 18.9 12.8 27.8 32.2 32.8 36.1 38.3 24.4 14.4 20.0 20.0 26 4.4 18.3 16.7 27.2 31.7 33.3 36.7 37.8 26.1 12.2 18.9 18.9 27 1.7 16.7 23.9 25.6 27.2 35.0 37.2 37.2 27.2 12.2 20.6 17.8 28 9.4 21.1 22.8 23.3 29.4 35.0 38.9 36.7 27.2 16.1 18.9 17.2 29 14.4 0.0 20.0 23.3 30.6 35.6 40.0 36.1 26.7 21.7 15.0 15.0 30 6.1 0.0 20.0 23.3 31.1 35.0 41.7 35.0 26.1 27.8 14.4 20.6 31 11.1 0.0 18.9 0.0 29.4 0.0 39.4 36.7 0.0 27.8 0.0 20.0 ----------------------------------------------------------------------------------------- Max 26.1 29.4 25.6 28.9 32.2 35.6 41.7 38.3 38.3 31.1 27.8 25.0 Min 1.7 10.0 10.6 7.2 20.6 26.1 33.9 32.8 21.7 12.2 5.6 12.8 Mean 15.4 20.5 20.4 23.7 27.7 32.1 36.8 36.8 31.5 24.0 18.4 19.6 -----------------------------------------------------------------------------------------