condition	mean	min	max
4 h after light	2.82784	2.282	3.84948
8 h after light	2.577546	0.730078	4.05732
12 h after light	3.13569	2.24907	4.02663
4 h after dark	5.992073333333333	4.28158	7.80889
8 h after dark	3.60425	3.34136	4.01609
12 h after dark	2.1452	1.56394	3.25865