condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	8.45	5.6	11.3
12 h after light	2.55	2.5	2.6
4 h after dark	5.2	3.5	6.9
8 h after dark	4.05	2.4	5.7
12 h after dark	4.7	2.9	6.5