Climate period		Air temp. (˚C)			Evap. (mm∙d⁻¹)	Surface soil temp. (˚C)		Sunshine duration (h∙d⁻¹)	Humidity (%)
		Max.	Min.	Max-Min^♦	Evap. (mm∙d⁻¹)	0600 h	1800 h	Sunshine duration (h∙d⁻¹)	Max.	Min.
		(X₁)	(X₂)	(X₃)	(X₄)	(X₅)	(X₆)	(X₇)	(X₈)	(X₉)
0^#	Flower	−0.42^**	0.00	−0.36^**	−0.61^**	−0.14	−0.37^**	−0.37^**	0.01	0.45^**
	Boll	−0.42^**	0.02	−0.37^**	−0.59^**	−0.13	−0.36^**	−0.36^**	0.01	0.46^**
1	Flower	−0.42^**	0.10	−0.42^**	−0.63^**	−0.08	−0.29^*	−0.41^**	0.05	0.48^**
	Boll	−0.41^**	0.11	−0.42^**	−0.62^**	−0.07	−0.28^*	−0.41^**	0.05	0.47^**
2	Flower	−0.40^**	0.08	−0.43^**	−0.65^**	−0.09	−0.27^*	−0.39^**	0.02	0.49^**
	Boll	−0.40^**	0.08	−0.43^**	−0.64^**	−0.08	−0.26^*	−0.40^**	0.03	0.49^**
3	Flower	−0.38^**	0.13	−0.43^**	−0.61^**	−0.06	−0.17	−0.38^**	0.00	0.45^**
	Boll	−0.37^**	0.15	−0.44^**	−0.61^**	−0.05	−0.15	−0.38^**	0.01	0.46^**
4	Flower	−0.36^**	0.17	−0.41^**	−0.61^**	−0.04	−0.18	−0.38^**	0.02	0.45^**
	Boll	−0.35^**	0.18	−0.41^**	−0.60^**	−0.03	−0.16	−0.36^**	0.03	0.44^**
5	Flower	−0.30^*	0.13	−0.36^**	−0.60^**	−0.07	−0.23	−0.32^**	−0.05	0.43^**
	Boll	−0.28^*	0.15	−0.35^**	−0.58^**	−0.05	−0.21	−0.31^**	−0.05	0.41^**
6	Flower	−0.24	0.21	−0.38^**	−0.61^**	−0.02	−0.12	−0.28^*	0.02	0.40^**
	Boll	−0.22	0.24	−0.38^**	−0.59^**	0.00	−0.07	−0.29^*	0.02	0.40^**
7	Flower	−0.19	0.23	−0.29^*	−0.54^**	−0.03	−0.05	−0.26^*	−0.04	0.32^**
	Boll	−0.18	0.23	−0.27^*	−0.53^**	−0.02	−0.03	−0.27^*	−0.04	0.30^*
8	Flower	−0.15	0.24	−0.25^*	−0.52^**	−0.03	−0.07	−0.24^*	−0.05	0.28^*
	Boll	−0.14	0.22	−0.22	−0.51^**	−0.03	−0.06	−0.22^*	−0.05	0.26^*
9	Flower	−0.16	0.34^**	−0.32^**	−0.56^**	0.08	−0.02	−0.25^*	0.05	0.30^*
	Boll	−0.14	0.34^**	−0.31^**	−0.56^**	0.09	−0.01	−0.23^*	0.07	0.29^*
10	Flower	−0.16	0.31^**	−0.30^*	−0.56^**	0.11	−0.06	−0.27^*	0.11	0.33^**
	Boll	−0.14	0.28^*	−0.27^*	−0.55^**	0.09	−0.07	−0.25^*	0.09	0.31^**
11	Flower	−0.16	0.31^**	−0.27^*	−0.55^**	0.10	−0.02	−0.31^**	0.08	0.32^**
	Boll	−0.15	0.29^*	−0.26^*	−0.53^**	0.10	0.00	−0.29^*	0.08	0.29^*
12	Flower	−0.17	0.44^**	−0.37^**	−0.57^**	0.26^*	0.02	−0.36^**	0.17	0.34^**
	Boll	−0.17	0.42^**	−0.36^**	−0.55^**	0.25^*	0.01	−0.34^**	0.16	0.32^**
13	Flower	−0.14	0.40^**	−0.33^**	−0.56^**	0.21	0.03	−0.28^*	0.10	0.34^**
	Boll	−0.15	0.38^**	−0.34^**	−0.56^**	0.21	0.01	−0.27^*	0.09	0.33^**
14	Flower	−0.19	0.39^**	−0.38^**	−0.59^**	0.25^*	0.04	−0.34^**	0.16	0.35^**
	Boll	−0.20	0.39^**	−0.40^**	−0.59^**	0.26^*	0.03	−0.36^**	0.17	0.36^**
15	Flower	−0.24	0.49^**	−0.45^**	−0.62^**	0.37^**	0.16	−0.38^**	0.27^*	0.42^**
	Boll	−0.24	0.51^**	−0.48^**	−0.63^**	0.40^**	0.15	−0.40^**	0.26^*	0.43^**