condition	mean	min	max
4 h after light	5.4	5.4	5.4
8 h after light	7.75	1.7	13.8
12 h after light	1.7999999999999998	1.2	2.4
4 h after dark	4.95	2.7	7.2
8 h after dark	2.75	2.0	3.5
12 h after dark	4.15	3.5	4.8