condition	mean	min	max
4 h after light	7.089074999999999	6.24126	7.93689
8 h after light	4.302105	4.21195	4.39226
12 h after light	7.07927	7.04863	7.10991
4 h after dark	8.98481	8.56533	9.40429
8 h after dark	9.549805	9.3309	9.76871
12 h after dark	7.063085	6.57007	7.5561