condition	mean	min	max
4 h after light	4.16791	4.06404	4.33174
8 h after light	4.200393333333333	4.013999999999999	4.33344
12 h after light	4.13391	4.03779	4.32599
4 h after dark	4.13367	4.05262	4.2401599999999995
8 h after dark	4.273376666666667	4.12589	4.5367
12 h after dark	4.089826666666666	4.0349	4.19727