condition	mean	min	max
4 h after light	1.9	1.9	1.9
8 h after light	10.2	6.3	14.1
12 h after light	12.3	10.8	13.8
4 h after dark	26.65	4.5	48.8
8 h after dark	4.05	2.9	5.2
12 h after dark	26.1	19.7	32.5