condition	mean	min	max
4 h after light	1.014675	1.00731	1.02204
8 h after light	0.6614255	0.631897	0.690954
12 h after light	0.456422	0.447765	0.465079
4 h after dark	0.5370993333333334	0.375059	0.68917
8 h after dark	0.8216956666666667	0.681426	0.908663
12 h after dark	0.801106	0.674407	0.867989