condition	mean	min	max
4 h after light	2.8	2.8	2.8
8 h after light	4.25	4.0	4.5
12 h after light	3.65	3.5	3.8
4 h after dark	3.7	3.0	4.4
8 h after dark	3.4000000000000004	3.2	3.6
12 h after dark	3.75	3.6	3.9