condition	mean	min	max
4 h after light	7.883535	6.65531	9.11176
8 h after light	8.31981	6.59142	10.0482
12 h after light	5.0165	4.88376	5.14924
4 h after dark	9.04155	8.75619	9.32691
8 h after dark	5.73506	5.43666	6.03346
12 h after dark	7.459614999999999	6.37192	8.54731