condition	mean	min	max
4 h after light	3.999664333333333	3.431732	5.054665
8 h after light	2.5223683333333335	1.659686	3.067128
12 h after light	3.909144	3.2961720000000003	4.246735
16 h after light	5.385443	4.453505000000001	7.041685
4 h after dark	7.083884	4.677928	10.49586
8 h after dark	6.078135333333334	5.723553	6.657932000000001