condition	mean	min	max
4 h after light	87.9	87.9	87.9
8 h after light	67.25	55.1	79.4
12 h after light	61.550000000000004	54.2	68.9
4 h after dark	60.45	56.1	64.8
8 h after dark	70.6	65.6	75.6
12 h after dark	79.45	72.9	86.0