condition	mean	min	max
4 h after light	1.372985	1.3035	1.44247
8 h after light	0.6795635	0.586957	0.77217
12 h after light	0.2543555	0.202853	0.305858
4 h after dark	0.5491900000000001	0.474599	0.623781
8 h after dark	0.7717745	0.614024	0.929525
12 h after dark	0.60387	0.592244	0.615496