condition	mean	min	max
4 h after light	5.596299999999999	5.57023	5.62237
8 h after light	6.024055000000001	5.94001	6.1081
12 h after light	7.709395000000001	7.62626	7.79253
4 h after dark	7.672829999999999	7.28869	8.05697
8 h after dark	7.387855	7.13762	7.63809
12 h after dark	7.984825000000001	7.48697	8.48268