condition	mean	min	max
4 h after light	2.3	2.3	2.3
8 h after light	5.0	3.9	6.1
12 h after light	6.65	4.5	8.8
4 h after dark	34.25	30.6	37.9
8 h after dark	6.5	3.5	9.5
12 h after dark	5.35	4.3	6.4