condition	mean	min	max
4 h after light	4.9	4.9	4.9
8 h after light	9.05	5.5	12.6
12 h after light	6.65	6.5	6.8
4 h after dark	7.4	7.1	7.7
8 h after dark	10.2	5.7	14.7
12 h after dark	7.5	5.2	9.8