condition	mean	min	max
4 h after light	1.164065	1.0025	1.32563
8 h after light	0.3971625	0.29195	0.502375
12 h after light	0.1537423	0.0945976	0.212887
4 h after dark	0.37843666666666664	0.12876	0.630925
8 h after dark	0.987533	0.600786	1.42606
12 h after dark	1.2271833333333333	0.55013	1.74225