condition	mean	min	max
4 h after light	0.461348	0.438856	0.48384
8 h after light	0.5936605	0.4762	0.711121
12 h after light	1.059012	0.960024	1.158
4 h after dark	1.10412	1.06957	1.13867
8 h after dark	0.746351	0.612888	0.879814
12 h after dark	0.5759395	0.416129	0.73575