condition	mean	min	max
4 h after light	3.1043950000000002	2.64522	3.56357
8 h after light	3.74066	3.61451	3.86681
12 h after light	2.9399550000000003	2.89208	2.98783
4 h after dark	3.69353	3.26981	4.11725
8 h after dark	3.8449549999999997	3.66949	4.02042
12 h after dark	4.54481	3.88954	5.20008