condition	mean	min	max
4 h after light	1.3	1.3	1.3
8 h after light	2.65	1.9	3.4
12 h after light	2.95	2.7	3.2
4 h after dark	1.4500000000000002	1.3	1.6
8 h after dark	2.65	1.7	3.6
12 h after dark	1.6	1.0	2.2