condition	mean	min	max
4 h after light	8.1	8.1	8.1
8 h after light	7.35	5.3	9.4
12 h after light	36.45	12.9	60.0
4 h after dark	10.1	9.0	11.2
8 h after dark	29.6	18.0	41.2
12 h after dark	75.9	74.2	77.6