condition	mean	min	max
4 h after light	6.3485	5.87381	6.82319
8 h after light	4.9361999999999995	4.58155	5.29085
12 h after light	4.81772	4.70276	4.93268
4 h after dark	5.7381899999999995	5.48083	5.99555
8 h after dark	4.9236699999999995	4.89503	4.95231
12 h after dark	6.1924	6.18971	6.19509