condition	mean	min	max
0 h after light	8.91188	8.79857	9.02519
4 h after light	12.9512	11.6455	14.2569
8 h after light	15.466899999999999	15.3529	15.5809
4 h after dark	9.955395	9.39929	10.5115
8 h after dark	15.81245	15.1599	16.465
12 h after dark	8.997075	8.40816	9.58599