condition	mean	min	max
4 h after light	8.847615000000001	8.807816	8.887414
8 h after light	8.705426	8.603036	8.807816
12 h after light	9.611369	9.419261	9.803477
4 h after dark	8.294073000000001	8.029938	8.558208
8 h after dark	8.1422925	7.155995	9.12859
12 h after dark	7.835337	7.835337	7.835337