condition	mean	min	max
4 h after light	2.9	2.9	2.9
8 h after light	4.05	2.0	6.1
12 h after light	2.35	2.1	2.6
4 h after dark	3.4000000000000004	2.1	4.7
8 h after dark	2.25	1.5	3.0
12 h after dark	2.35	2.1	2.6