Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1999. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 21.3 20.9 29.9 20.4 23.1 32.7 34.5 36.1 34.0 29.0 22.5 22.1 2 16.2 16.7 28.4 25.3 22.5 32.1 34.7 36.2 32.7 32.2 17.3 25.0 3 3.5 26.4 17.0 26.0 28.0 32.1 34.1 35.1 35.3 32.3 19.4 27.6 4 4.5 20.8 21.1 21.6 33.4 32.8 33.9 35.9 36.3 25.9 25.5 21.8 5 13.1 21.5 24.9 26.7 30.9 32.8 34.4 37.2 36.3 29.5 27.6 14.1 6 17.5 24.3 21.7 27.0 26.9 32.8 33.4 37.0 35.9 29.7 25.8 14.4 7 21.2 26.6 15.2 27.2 28.6 32.2 35.1 36.8 35.4 30.0 25.8 20.4 8 23.4 23.4 26.4 31.6 31.5 31.5 31.1 36.8 36.2 31.6 25.4 24.5 9 5.6 29.6 17.7 30.8 29.1 31.7 34.2 37.3 34.3 29.1 25.0 20.2 10 13.6 26.6 21.3 27.1 24.5 32.4 34.0 37.9 35.2 31.0 25.6 15.9 11 19.3 21.1 24.1 26.3 27.9 32.3 30.7 37.3 35.6 31.2 27.0 13.3 12 21.7 13.6 14.3 28.4 24.9 32.3 26.4 37.6 35.7 31.2 28.0 12.6 13 14.9 19.5 10.1 25.5 26.9 31.2 32.4 38.0 26.8 32.6 27.9 13.8 14 10.9 20.0 14.9 29.3 30.9 31.0 33.2 38.7 31.2 33.1 28.5 22.0 15 16.9 21.8 18.1 18.0 32.3 29.3 33.7 38.1 32.3 32.5 28.8 13.0 16 22.8 19.6 22.5 17.7 31.6 31.3 33.2 37.3 32.9 30.6 27.6 16.3 17 25.2 20.1 22.2 21.0 30.9 27.8 32.9 35.9 32.8 23.8 25.1 20.0 18 19.1 23.4 22.6 25.8 24.8 30.2 34.0 36.6 33.1 16.2 26.4 13.4 19 23.7 17.3 17.9 30.1 28.4 32.2 33.0 38.4 35.0 18.7 25.3 18.5 20 22.4 17.2 18.8 29.9 30.0 28.6 32.6 38.6 37.5 22.8 22.7 11.1 21 26.3 14.5 22.3 26.2 30.6 31.8 28.1 38.0 27.0 25.9 26.8 7.0 22 18.5 15.6 23.9 30.2 31.1 29.8 33.4 35.9 26.7 32.6 28.3 10.6 23 17.1 21.3 23.7 31.5 31.8 33.1 35.5 34.7 29.9 25.4 22.2 15.0 24 23.8 23.1 18.2 28.1 30.1 33.3 35.8 35.3 32.4 23.8 14.3 20.7 25 23.4 24.7 19.0 26.8 30.7 31.1 34.0 37.9 31.1 28.4 13.9 14.4 26 22.7 22.1 19.5 25.6 26.5 33.5 34.4 38.7 34.0 27.9 20.7 19.2 27 24.0 27.7 18.0 30.5 30.6 34.3 35.0 38.5 34.7 27.5 24.6 21.3 28 23.2 23.6 21.4 30.2 22.8 33.9 35.6 37.6 34.1 28.0 25.9 20.3 29 19.4 14.2 29.1 28.7 33.3 35.7 37.1 25.0 28.7 19.6 24.6 30 13.6 15.0 25.6 31.6 33.3 36.4 36.0 27.6 21.5 18.7 25.5 31 15.9 20.6 31.7 36.3 36.9 17.4 20.6 ----------------------------------------------------------------------------------------- Max 26.3 29.6 29.9 31.6 33.4 34.3 36.4 38.7 37.5 33.1 28.8 27.6 Min 3.5 13.6 10.1 17.7 22.5 27.8 26.4 34.7 25.0 16.2 13.9 7.0 Mean 18.2 21.5 20.2 26.6 28.8 31.9 33.6 37.1 32.9 27.7 24.1 18.0 -----------------------------------------------------------------------------------------