condition	mean	min	max
4 h after light	1.93594	1.54739	2.32449
8 h after light	3.9743500000000003	3.86195	4.08675
12 h after light	4.849015	4.6002	5.09783
4 h after dark	4.8035250000000005	4.49198	5.11507
8 h after dark	3.903385	3.73655	4.07022
12 h after dark	3.30037	2.95978	3.64096