condition	mean	min	max
4 h after light	9.3	9.3	9.3
8 h after light	9.95	4.2	15.7
12 h after light	6.45	5.4	7.5
4 h after dark	28.65	18.2	39.1
8 h after dark	5.75	2.2	9.3
12 h after dark	6.45	2.9	10.0