condition	mean	min	max
4 h after light	1.405745	1.23221	1.57928
8 h after light	0.284868	0.278555	0.291181
12 h after light	0.5826665	0.558838	0.606495
4 h after dark	1.518425	1.21626	1.82059
8 h after dark	2.36126	1.94097	2.78155
12 h after dark	2.342765	1.88138	2.80415