condition	mean	min	max
4 h after light	10.1	10.1	10.1
8 h after light	8.75	7.0	10.5
12 h after light	5.5	2.4	8.6
4 h after dark	9.9	9.9	9.9
8 h after dark	5.25	4.7	5.8
12 h after dark	7.5	3.7	11.3