condition	mean	min	max
4 h after light	8.687249	7.871581	9.502917
8 h after light	8.101009000000001	7.671887	8.530131
12 h after light	7.697101	7.697101	7.697101
4 h after dark	7.2113985	6.107432	8.315365
8 h after dark	6.7543395	6.680989	6.82769
12 h after dark	9.210266	9.210266	9.210266