condition	mean	min	max
4 h after light	1.1	1.1	1.1
8 h after light	9.05	8.3	9.8
12 h after light	3.75	2.7	4.8
4 h after dark	21.65	14.7	28.6
8 h after dark	2.35	2.1	2.6
12 h after dark	10.0	4.6	15.4