condition	mean	min	max
4 h after light	7.4048766666666666	7.33057	7.50455
8 h after light	7.45611	7.3718	7.56743
12 h after light	8.20901	7.9393	8.41953
4 h after dark	8.068466666666666	7.8313	8.26804
8 h after dark	8.089003333333332	7.848789999999999	8.2858
12 h after dark	7.96816	7.721260000000001	8.1687