Table 1. Rainfall and maximum and minimum temperatures at Ashland Bottoms Research Farm, Kansas State University during the study period

Climate characteristics	Month
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2015
Monthly rain (mm)				67.57	218.68	107.2	128	81	104.9	15.49	110.5	82.8
Mean Max. temp. (°C)				20.6	22.95	31.08	31.93	30.4	29.68	22.42	16.22	9.36
Mean Min. temp. (°C)				7.26	12.25	18.64	20.78	17.23	16.96	7.62	2.87	−1.96
2016
Monthly rain (mm)	12.7	10.16	11.17	214.6	177.3	39.36	155	185.7	105.7	70.36	7.62	21.08
Mean Max. temp. (°C)	4.5	11.8	18.2	21.32	23.73	33.45	32.35	30.37	28.45	24.26	17.39	5.6
Mean Min. temp. (°C)	−6.1	−2.97	2.37	7.66	11.26	19.48	21.24	19.61	16.02	9.42	3.53	−7.14
2017
Monthly rain (mm)	24.89	11.94	106.9	126.8	96.76	71.63	33.78	154.7	20.58	92.96	2.28	2.79
Mean Max. temp. (°C)	6.44	13.42	15.45	19.42	24.67	30.96	33.37	28.55	29.11	21.23	14.14	6.36
Mean Min. temp. (°C)	−5.13	−1.05	2.63	7.58	11.15	17.2	20.5	15.98	15.01	7.22	0.7	−5.38
30 years (1987–2017) average
Monthly rain (mm)	16.54	27.78	57.45	83.94	121.42	136.32	112.26	108.20	83.00	61.51	38.63	27.28
Mean Max. temp. (°C)	5.45	8.29	14.68	20.34	25.24	30.58	33.31	32.50	28.06	21.55	13.39	6.62
Mean Min. temp. (°C)	−7.27	−5.44	−0.16	5.81	11.61	17.14	19.87	18.57	13.21	6.50	−0.18	−5.78