condition	mean	min	max
4 h after light	0.6	0.6	0.6
8 h after light	16.6	9.7	23.5
12 h after light	5.1	0.6	9.6
4 h after dark	0.7	0.7	0.7
8 h after dark	3.05	1.0	5.1
12 h after dark	1.6	1.0	2.2