condition	mean	min	max
4 h after light	2.1	2.1	2.1
8 h after light	2.9	2.5	3.3
12 h after light	4.55	2.9	6.2
4 h after dark	8.5	5.9	11.1
8 h after dark	3.1	2.0	4.2
12 h after dark	3.05	2.9	3.2