condition	mean	min	max
4 h after light	5.4	5.4	5.4
8 h after light	5.4	5.3	5.5
12 h after light	10.6	9.6	11.6
4 h after dark	24.25	7.3	41.2
8 h after dark	8.25	7.5	9.0
12 h after dark	6.9	5.4	8.4