condition	mean	min	max
4 h after light	51.9	51.9	51.9
8 h after light	38.0	14.2	61.8
12 h after light	77.85	65.9	89.8
4 h after dark	32.5	12.6	52.4
8 h after dark	22.0	4.9	39.1
12 h after dark	23.85	9.6	38.1