condition	mean	min	max
4 h after light	4.668645	4.07015	5.26714
8 h after light	4.78881	4.28834	5.28928
12 h after light	4.878785	4.84085	4.91672
4 h after dark	4.311326666666667	4.11684	4.59806
8 h after dark	2.78893	2.46704	2.97928
12 h after dark	3.5996	2.61603	4.35111