condition	mean	min	max
4 h after light	5.459440000000001	4.43958	6.4793
8 h after light	5.809385000000001	5.77707	5.8417
12 h after light	6.48034	6.22621	6.73447
4 h after dark	6.835263333333333	6.12137	7.3148
8 h after dark	7.01654	6.62604	7.30522
12 h after dark	6.332786666666667	5.3958	7.3566