condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	8.1	4.7	11.5
12 h after light	9.4	5.3	13.5
4 h after dark	17.25	13.8	20.7
8 h after dark	2.35	1.2	3.5
12 h after dark	4.1499999999999995	1.7	6.6