condition	mean	min	max
4 h after light	4.39314	4.32453	4.50296
8 h after light	4.36893	4.30445	4.432230000000001
12 h after light	4.364283333333334	4.29484	4.490130000000001
4 h after dark	4.358193333333333	4.22599	4.54831
8 h after dark	4.359876666666667	4.30462	4.4414
12 h after dark	4.39467	4.26922	4.59612