condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	2.55	1.7	3.4
12 h after light	3.95	2.6	5.3
4 h after dark	3.8499999999999996	2.6	5.1
8 h after dark	4.25	1.9	6.6
12 h after dark	3.8	3.6	4.0