condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	8.85	6.1	11.6
12 h after light	6.25	5.2	7.3
4 h after dark	35.0	28.9	41.1
8 h after dark	9.05	5.7	12.4
12 h after dark	3.5	2.4	4.6