Table 5.

Daily minimum values of electric potential

Day	Maximal electric potential, morning (a)	Minimal electric potential, afternoon (b)	Δ potencial (a–b)	Weather condition	Maximal T (°C)
1*	−124.61 (10:34:00)	−129.13 (12:16:00)	4.52	Sunny	21.2
2	−111.81 (8:29:00)	−125.26 (13:43:30)	14.45	Overcast	16.55
3	−86.12 (8:24:00)	−113.71 (12:44:30)	27.59	Sunny	21.5
4	−109.21 (10:40:00)	−119.69 (12:52:00)	10.48	Overcast	14.8
5	−86.03 (8:30:00)	−112.72 (14:22:00)	26.69	Sunny	22.5
7*	−86.13 (11:16:00)	−98.01 (14:22:00)	11.88	Sunny	21.1
8*	−98.36 (13:42:00)	−105.99 (18:59:00)	7.53	Sunny	22.5

*Days 1, 7 and 8, no water restrictions.