condition	mean	min	max
4 h after light	9.9	9.9	9.9
8 h after light	8.95	7.6	10.3
12 h after light	10.55	4.9	16.2
4 h after dark	12.0	11.7	12.3
8 h after dark	12.65	8.3	17.0
12 h after dark	13.2	12.4	14.0