Daily maximum temperature (degrees Celsius) recorded at Grassland Soil and Water Research Center for calendar year 1963. ----------------------------------------------------------------------------------------- Day Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ----------------------------------------------------------------------------------------- 1 15.6 27.2 20.0 28.9 24.4 32.8 34.4 37.8 36.7 29.4 27.8 18.9 2 15.0 26.7 26.1 30.0 25.6 32.2 32.8 37.8 36.7 31.1 21.1 16.7 3 17.2 15.0 25.0 28.3 28.9 33.3 32.2 37.8 37.2 32.2 21.1 18.3 4 19.4 18.9 29.4 23.3 31.1 34.4 33.9 37.8 37.2 33.3 27.2 18.9 5 18.9 22.2 28.9 12.2 30.0 33.9 34.4 37.8 38.9 34.4 31.7 20.0 6 13.3 25.0 19.4 17.2 26.7 35.6 34.4 37.8 38.9 33.9 30.0 18.9 7 14.4 24.4 21.1 23.3 29.4 34.4 35.6 38.3 39.4 33.9 31.7 22.2 8 22.2 22.2 21.1 27.2 30.6 36.1 36.1 38.9 38.3 35.0 27.8 16.1 9 22.2 22.2 25.6 36.7 31.1 35.6 37.2 37.8 36.7 33.9 20.0 15.6 10 27.2 15.0 21.1 35.0 33.9 36.7 37.2 39.4 37.2 33.3 25.0 18.3 11 25.0 13.3 26.1 33.3 33.3 36.1 35.6 38.3 36.7 33.9 25.6 18.3 12 2.2 1.7 27.2 26.7 32.2 34.4 36.7 37.8 35.6 33.9 23.9 2.2 13 0.0 12.2 27.2 26.7 32.2 36.7 36.1 39.4 31.1 32.8 20.0 2.2 14 7.2 16.7 19.4 29.4 31.1 37.8 36.7 37.8 32.2 31.7 17.2 2.8 15 11.7 16.1 16.7 28.3 32.8 37.8 36.7 34.4 27.2 31.7 25.0 5.0 16 11.1 13.3 27.2 30.0 32.2 36.7 36.7 35.6 27.8 29.4 27.8 6.7 17 10.6 15.6 27.2 30.0 33.9 30.0 36.7 37.2 27.8 30.6 26.7 9.4 18 19.4 15.0 29.4 30.6 32.2 32.2 36.7 36.7 24.4 31.1 25.0 9.4 19 18.3 12.8 28.9 28.3 31.7 35.0 36.7 36.7 30.6 29.4 22.2 3.3 20 4.4 22.8 23.3 30.6 29.4 34.4 37.2 36.1 32.2 30.6 22.2 3.3 21 12.8 20.6 21.7 29.4 28.3 35.6 38.3 36.1 32.8 29.4 25.6 1.7 22 20.6 8.3 20.0 32.2 27.2 35.0 38.3 36.1 33.3 30.0 23.9 -0.6 23 19.4 8.9 21.7 32.2 22.8 35.6 37.8 37.2 32.2 30.0 21.1 3.3 24 0.0 20.6 25.0 25.0 29.4 33.3 38.3 37.8 31.7 27.8 15.0 16.7 25 11.1 21.7 28.3 32.2 33.3 33.9 37.2 37.8 31.1 28.3 16.7 21.1 26 10.6 21.7 27.8 30.6 35.0 33.3 35.6 37.8 30.6 28.3 15.6 22.2 27 2.2 23.9 27.8 28.9 35.0 34.4 37.2 38.9 28.9 29.4 12.2 18.3 28 3.3 22.2 30.0 30.0 33.3 34.4 36.7 38.3 30.0 27.2 16.1 15.0 29 7.2 0.0 27.8 30.6 35.0 35.0 37.2 37.8 29.4 25.0 16.1 13.3 30 7.8 0.0 30.0 28.9 33.9 33.9 38.3 36.7 26.7 27.8 19.4 7.8 31 15.6 0.0 29.4 0.0 33.3 0.0 38.3 35.6 0.0 30.0 0.0 11.1 ----------------------------------------------------------------------------------------- Max 27.2 27.2 30.0 36.7 35.0 37.8 38.3 39.4 39.4 35.0 31.7 22.2 Min 0.0 1.7 16.7 12.2 22.8 30.0 32.2 34.4 24.4 25.0 12.2 -0.6 Mean 13.1 18.1 25.2 28.5 30.9 34.7 36.4 37.5 33.0 30.9 22.7 12.2 -----------------------------------------------------------------------------------------