condition	mean	min	max
4 h after light	4.48125	3.31931	5.64319
8 h after light	5.70506	5.67024	5.73988
12 h after light	6.70594	6.28981	7.12207
4 h after dark	5.817363333333334	5.67856	5.98022
8 h after dark	6.18147	6.03466	6.28258
12 h after dark	4.915156666666666	4.29034	5.55581