condition	mean	min	max
4 h after light	0.6	0.6	0.6
8 h after light	4.45	1.5	7.4
12 h after light	15.6	5.8	25.4
4 h after dark	4.7	2.6	6.8
8 h after dark	7.95	1.9	14.0
12 h after dark	2.05	2.0	2.1