condition	mean	min	max
4 h after light	2.079987	0.525034	3.63494
8 h after light	2.55365	2.29364	2.81366
12 h after light	2.39942	2.30438	2.49446
4 h after dark	4.748076666666667	3.54122	6.11629
8 h after dark	4.31932	3.44527	5.29157
12 h after dark	4.065643333333333	3.16907	5.78442