condition	mean	min	max
4 h after light	3.81859	2.69611	4.63877
8 h after light	8.4915	2.00824	13.6423
12 h after light	9.45935	8.42763	11.2464
4 h after dark	11.527493333333332	8.79478	13.7669
8 h after dark	11.02746	7.44788	13.1216
12 h after dark	8.447890000000001	6.82467	9.46746