condition	mean	min	max
4 h after light	5.4	5.4	5.4
8 h after light	10.5	7.2	13.8
12 h after light	44.15	8.0	80.3
4 h after dark	65.05	54.9	75.2
8 h after dark	55.45	41.9	69.0
12 h after dark	23.75	7.3	40.2