condition	mean	min	max
4 h after light	13.2	13.2	13.2
8 h after light	7.6	6.2	9.0
12 h after light	8.95	2.7	15.2
4 h after dark	22.75	7.5	38.0
8 h after dark	9.55	6.0	13.1
12 h after dark	8.899999999999999	8.6	9.2