condition	mean	min	max
4 h after light	2.232665	1.58473	2.8806
8 h after light	2.86958	2.82042	2.91874
12 h after light	4.432485	4.33076	4.53421
4 h after dark	4.908803333333333	4.68857	5.18086
8 h after dark	4.932263333333333	4.26616	5.43117
12 h after dark	2.84904	2.72814	3.06611