condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	8.7	7.7	9.7
12 h after light	9.25	5.3	13.2
4 h after dark	5.15	4.9	5.4
8 h after dark	5.300000000000001	5.2	5.4
12 h after dark	8.45	7.4	9.5