condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	2.6	2.2	3.0
12 h after light	4.15	3.5	4.8
4 h after dark	2.4	1.7	3.1
8 h after dark	2.9	2.3	3.5
12 h after dark	2.4000000000000004	2.2	2.6