condition	mean	min	max
4 h after light	3.652365	3.34043	3.9643
8 h after light	4.713125	4.50648	4.91977
12 h after light	6.530765000000001	6.3303	6.73123
4 h after dark	7.779755	7.66454	7.89497
8 h after dark	7.776915	7.75836	7.79547
12 h after dark	6.19796	5.96069	6.43523