condition	mean	min	max
0 h after light	8.299105	8.10408	8.49413
4 h after light	5.1181350000000005	4.12138	6.11489
8 h after light	3.9909350000000003	3.98014	4.00173
4 h after dark	5.5058	5.31764	5.69396
8 h after dark	8.40091	8.36566	8.43616
12 h after dark	6.1321449999999995	5.53197	6.73232