condition	mean	min	max
4 h after light	7.0938099999999995	6.66779	7.51983
8 h after light	6.68054	6.41663	6.94445
12 h after light	8.420465	7.91589	8.92504
4 h after dark	11.51825	9.4755	13.561
8 h after dark	9.610175	8.84145	10.3789
12 h after dark	8.859805	8.46544	9.25417