condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	2.45	1.5	3.4
12 h after light	2.35	1.5	3.2
4 h after dark	1.1	0.8	1.4
8 h after dark	1.7999999999999998	1.3	2.3
12 h after dark	1.65	1.4	1.9