condition	mean	min	max
4 h after light	7.00845	6.11266	7.90424
8 h after light	6.954314999999999	6.91055	6.99808
12 h after light	8.21261	7.38948	9.03574
4 h after dark	10.138443333333333	9.90805	10.5542
8 h after dark	10.282686666666667	9.87136	10.54
12 h after dark	7.43132	7.1264	8.0063