condition	mean	min	max
4 h after light	2.313685	2.05866	2.56871
8 h after light	0.7882995	0.536019	1.04058
12 h after light	2.03095	1.85744	2.20446
4 h after dark	7.57061	7.19464	7.94658
8 h after dark	11.13115	10.1014	12.1609
12 h after dark	7.22573	6.99791	7.45355