condition	mean	min	max
4 h after light	0.8504484999999999	0.735525	0.965372
8 h after light	0.634496	0.598583	0.670409
12 h after light	0.762886	0.724049	0.801723
4 h after dark	1.133745	1.13312	1.13437
8 h after dark	1.135	0.99237	1.27763
12 h after dark	1.3816	1.18908	1.57412