condition	mean	min	max
4 h after light	2.855525	2.55167	3.15938
8 h after light	2.505525	2.39179	2.61926
12 h after light	2.224815	1.83231	2.61732
4 h after dark	4.50067	2.90091	6.10043
8 h after dark	2.964585	2.90392	3.02525
12 h after dark	3.19247	2.31998	4.06496