condition	mean	min	max
4 h after light	12.63855	11.5952	13.6819
8 h after light	8.708369999999999	8.40143	9.01531
12 h after light	5.603009999999999	4.16582	7.0402
4 h after dark	5.519973333333333	3.40516	8.1997
8 h after dark	6.021396666666667	4.2855	8.01604
12 h after dark	7.560073333333333	6.3297	9.21909