condition	mean	min	max
4 h after light	3.135955	2.73891	3.533
8 h after light	4.94414	4.93806	4.95022
12 h after light	3.8158399999999997	3.73319	3.89849
4 h after dark	5.37282	4.75069	5.99495
8 h after dark	4.435305	4.18219	4.68842
12 h after dark	3.4579500000000003	3.1941	3.7218