condition	mean	min	max
4 h after light	4.6815	4.653169999999999	4.70673
8 h after light	4.719763333333333	4.6740699999999995	4.80586
12 h after light	4.60506	4.49756	4.68706
4 h after dark	4.681256666666666	4.6669599999999996	4.69651
8 h after dark	4.6739299999999995	4.58485	4.7514199999999995
12 h after dark	4.77771	4.61926	5.0118599999999995