condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	25.5	16.2	34.8
12 h after light	8.7	5.3	12.1
4 h after dark	3.9000000000000004	3.6	4.2
8 h after dark	6.35	5.7	7.0
12 h after dark	4.449999999999999	4.3	4.6