condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	10.299999999999999	0.7	19.9
12 h after light	4.7	1.9	7.5
4 h after dark	1.9	1.9	1.9
8 h after dark	12.649999999999999	4.9	20.4
12 h after dark	3.15	1.7	4.6