condition	mean	min	max
4 h after light	8.5	8.5	8.5
8 h after light	12.05	10.1	14.0
12 h after light	13.850000000000001	11.6	16.1
4 h after dark	18.8	16.6	21.0
8 h after dark	9.6	6.3	12.9
12 h after dark	10.35	4.5	16.2