condition	mean	min	max
4 h after light	4.358465	4.05289	4.66404
8 h after light	2.835185	2.79949	2.87088
12 h after light	2.119875	1.87124	2.36851
4 h after dark	2.3920833333333333	2.19498	2.56131
8 h after dark	3.51173	3.32329	3.69835
12 h after dark	4.064053333333334	3.24845	5.42694