condition	mean	min	max
4 h after light	2.02067	1.99393	2.04741
8 h after light	3.5971149999999996	3.53265	3.66158
12 h after light	3.9162150000000002	3.75172	4.08071
4 h after dark	5.411754999999999	4.75702	6.06649
8 h after dark	2.88666	2.67856	3.09476
12 h after dark	2.55846	2.55615	2.56077