condition	mean	min	max
4 h after light	7.6	7.6	7.6
8 h after light	7.4	6.5	8.3
12 h after light	12.9	1.1	24.7
4 h after dark	2.35	1.6	3.1
8 h after dark	11.7	2.9	20.5
12 h after dark	1.85	1.6	2.1