condition	mean	min	max
4 h after light	1.64715	1.58766	1.70664
8 h after light	3.78546	3.666	3.90492
12 h after light	3.40454	3.09105	3.71803
4 h after dark	3.9478549999999997	3.22707	4.66864
8 h after dark	1.9868450000000002	1.95522	2.01847
12 h after dark	1.43674	1.2194	1.65408