condition	mean	min	max
4 h after light	15.6	15.6	15.6
8 h after light	64.05	57.3	70.8
12 h after light	45.25	12.8	77.7
4 h after dark	83.2	46.5	119.9
8 h after dark	26.45	20.4	32.5
12 h after dark	50.75	42.2	59.3