condition	mean	min	max
4 h after light	9.0	9.0	9.0
8 h after light	12.7	5.5	19.9
12 h after light	8.25	1.1	15.4
4 h after dark	9.9	3.8	16.0
8 h after dark	5.65	5.3	6.0
12 h after dark	2.1500000000000004	2.1	2.2