condition	mean	min	max
4 h after light	9.837895	9.32019	10.3556
8 h after light	6.37823	5.96302	6.79344
12 h after light	6.90308	6.84909	6.95707
4 h after dark	9.39145	8.9228	9.93924
8 h after dark	10.946666666666665	10.4561	11.3357
12 h after dark	12.162233333333333	10.9911	13.0453