condition	mean	min	max
4 h after light	3.423185	3.0784	3.76797
8 h after light	2.51911	2.43932	2.5989
12 h after light	3.0178849999999997	2.24559	3.79018
4 h after dark	2.0700273333333334	0.891672	3.8207
8 h after dark	3.39321	1.58463	5.81835
12 h after dark	4.025486666666667	2.74805	4.89718