condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	4.3	3.8	4.8
12 h after light	5.35	2.9	7.8
4 h after dark	4.35	4.1	4.6
8 h after dark	11.049999999999999	3.2	18.9
12 h after dark	5.25	4.1	6.4