condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	8.899999999999999	8.2	9.6
12 h after light	9.8	4.4	15.2
4 h after dark	3.5999999999999996	3.3	3.9
8 h after dark	4.55	2.1	7.0
12 h after dark	5.55	4.6	6.5