condition	mean	min	max
4 h after light	6.873663333333333	5.63535	9.05918
8 h after light	6.198442	0.688756	10.4747
12 h after light	7.980603333333334	4.52351	12.2161
4 h after dark	10.96824	7.93232	14.4825
8 h after dark	10.335139999999999	6.72802	14.167
12 h after dark	8.944526666666667	7.46391	11.6477