condition	mean	min	max
4 h after light	5.1	5.1	5.1
8 h after light	63.05	8.5	117.6
12 h after light	13.05	11.2	14.9
4 h after dark	14.25	13.2	15.3
8 h after dark	9.7	6.7	12.7
12 h after dark	10.5	8.7	12.3