condition	mean	min	max
4 h after light	7.507575	7.2643	7.75085
8 h after light	5.502105	5.39226	5.61195
12 h after light	6.468845	6.24228	6.69541
4 h after dark	7.457605	7.37222	7.54299
8 h after dark	7.9216	7.88657	7.95663
12 h after dark	7.977914999999999	7.72679	8.22904