condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	3.25	0.9	5.6
12 h after light	5.9	4.5	7.3
4 h after dark	1.7999999999999998	1.3	2.3
8 h after dark	2.9	1.5	4.3
12 h after dark	1.65	1.6	1.7