condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	8.35	1.4	15.3
12 h after light	1.2	0.4	2.0
4 h after dark	1.75	0.6	2.9
8 h after dark	0.85	0.7	1.0
12 h after dark	0.6	0.5	0.7