condition	mean	min	max
4 h after light	4.97611	4.0617	5.89052
8 h after light	5.444185	4.98342	5.90495
12 h after light	4.77009	4.49503	5.04515
4 h after dark	4.015795000000001	3.1097	4.92189
8 h after dark	2.617145	2.61634	2.61795
12 h after dark	4.2350449999999995	4.12479	4.3453