condition	mean	min	max
4 h after light	3.913935	3.43968	4.38819
8 h after light	4.32244	4.26558	4.3793
12 h after light	2.3467599999999997	1.28992	3.4036
4 h after dark	4.915	3.88018	5.94982
8 h after dark	4.35281	2.95536	5.75026
12 h after dark	2.4937449999999997	2.47144	2.51605