condition	mean	min	max
4 h after light	7.4	7.4	7.4
8 h after light	8.7	6.0	11.4
12 h after light	7.95	7.5	8.4
4 h after dark	6.949999999999999	3.3	10.6
8 h after dark	6.800000000000001	6.2	7.4
12 h after dark	8.25	8.0	8.5