condition	mean	min	max
4 h after light	4.64996	4.38484	4.91508
8 h after light	3.32408	2.87228	3.77588
12 h after light	3.535835	3.02266	4.04901
4 h after dark	7.81539	7.08708	8.35915
8 h after dark	7.876763333333334	7.43545	8.13691
12 h after dark	6.55765	5.27035	7.98515