condition	mean	min	max
4 h after light	77.6	77.6	77.6
8 h after light	74.05	57.3	90.8
12 h after light	59.75	29.8	89.7
4 h after dark	39.9	33.3	46.5
8 h after dark	27.25	4.2	50.3
12 h after dark	9.65	3.3	16.0