condition	mean	min	max
4 h after light	13.6	13.6	13.6
8 h after light	7.9	5.7	10.1
12 h after light	11.85	9.6	14.1
4 h after dark	8.6	1.7	15.5
8 h after dark	22.6	7.0	38.2
12 h after dark	9.45	4.3	14.6