condition	mean	min	max
4 h after light	10.2	10.2	10.2
8 h after light	4.6	4.1	5.1
12 h after light	6.7	6.5	6.9
4 h after dark	7.0	3.5	10.5
8 h after dark	5.85	5.5	6.2
12 h after dark	10.45	9.7	11.2