condition	mean	min	max
4 h after light	3.5491200000000003	3.31229	3.78595
8 h after light	3.756775	3.48969	4.02386
12 h after light	3.9345800000000004	3.74025	4.12891
4 h after dark	4.694255	4.08964	5.29887
8 h after dark	3.455285	3.27295	3.63762
12 h after dark	4.2809550000000005	4.08035	4.48156