condition	mean	min	max
4 h after light	5.652206666666666	5.47476	5.97314
8 h after light	5.66913	5.5789599999999995	5.7194199999999995
12 h after light	5.54327	5.43239	5.61522
4 h after dark	5.63114	5.60555	5.66781
8 h after dark	5.677473333333333	5.43714	5.8793
12 h after dark	5.65229	5.61986	5.70608