condition	mean	min	max
4 h after light	2.1	2.1	2.1
8 h after light	1.35	1.0	1.7
12 h after light	2.45	2.1	2.8
4 h after dark	2.8499999999999996	2.3	3.4
8 h after dark	1.75	1.3	2.2
12 h after dark	3.2	2.4	4.0