condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	2.75	2.5	3.0
12 h after light	2.75	2.5	3.0
4 h after dark	3.05	2.7	3.4
8 h after dark	4.550000000000001	4.4	4.7
12 h after dark	3.5	3.1	3.9