condition	mean	min	max
4 h after light	4.72336	3.48796	5.95876
8 h after light	6.928985	6.42432	7.43365
12 h after light	12.18235	11.2788	13.0859
4 h after dark	14.313749999999999	13.1611	15.4664
8 h after dark	15.04785	14.097	15.9987
12 h after dark	9.698195	9.67752	9.71887