condition	mean	min	max
4 h after light	1.0	1.0	1.0
8 h after light	1.65	0.9	2.4
12 h after light	2.6	2.2	3.0
4 h after dark	2.35	2.2	2.5
8 h after dark	7.0	1.5	12.5
12 h after dark	1.65	0.8	2.5