condition	mean	min	max
4 h after light	6.9	6.9	6.9
8 h after light	7.25	3.1	11.4
12 h after light	12.6	7.2	18.0
4 h after dark	9.399999999999999	8.7	10.1
8 h after dark	3.95	3.7	4.2
12 h after dark	7.15	5.4	8.9