condition	mean	min	max
4 h after light	3.5	3.5	3.5
8 h after light	5.1	3.5	6.7
12 h after light	7.2	3.6	10.8
4 h after dark	7.15	5.3	9.0
8 h after dark	7.45	7.2	7.7
12 h after dark	5.449999999999999	3.3	7.6