condition	mean	min	max
4 h after light	3.3293150000000002	2.92421	3.73442
8 h after light	4.05235	4.02809	4.07661
12 h after light	5.180175	4.98635	5.374
4 h after dark	6.326155	5.84245	6.80986
8 h after dark	6.670045	6.39787	6.94222
12 h after dark	5.34521	5.33409	5.35633