condition	mean	min	max
4 h after light	4.0946533333333335	4.04265	4.16446
8 h after light	4.04481	4.02255	4.06586
12 h after light	4.017633333333333	4.00248	4.033919999999999
4 h after dark	4.084553333333333	4.073919999999999	4.09615
8 h after dark	4.06101	3.98558	4.11104
12 h after dark	3.9714066666666668	3.8902900000000002	4.03745