condition	mean	min	max
4 h after light	13.647986500000002	10.331801	16.964172
8 h after light	9.599264	8.748069	10.450459
12 h after light	9.716525	9.101249	10.331801
4 h after dark	9.34996	9.064023	9.635897
8 h after dark	10.1660805	9.465301	10.86686
12 h after dark	15.885833	15.885833	15.885833