condition	mean	min	max
4 h after light	21.136200000000002	18.5549	23.7175
8 h after light	38.21265	34.3991	42.0262
12 h after light	47.28255	40.0078	54.5573
4 h after dark	89.11985	87.4569	90.7828
8 h after dark	87.6834	87.0922	88.2746
12 h after dark	58.411	56.1802	60.6418