condition	mean	min	max
4 h after light	0.7	0.7	0.7
8 h after light	10.55	2.5	18.6
12 h after light	5.05	2.5	7.6
4 h after dark	2.65	1.7	3.6
8 h after dark	5.25	2.9	7.6
12 h after dark	2.55	1.6	3.5