condition	mean	min	max
4 h after light	2.5896549999999996	2.19554	2.98377
8 h after light	3.38237	3.0784	3.68634
12 h after light	3.797035	3.51642	4.07765
4 h after dark	4.986515000000001	4.64752	5.32551
8 h after dark	3.670495	3.4662	3.87479
12 h after dark	3.7528550000000003	3.59537	3.91034