condition	mean	min	max
4 h after light	8.3	8.3	8.3
8 h after light	7.5	3.7	11.3
12 h after light	7.5	6.7	8.3
4 h after dark	5.35	5.0	5.7
8 h after dark	7.3999999999999995	6.1	8.7
12 h after dark	6.9	6.6	7.2