condition	mean	min	max
4 h after light	5.757616666666666	5.70854	5.82212
8 h after light	5.83245	5.73359	5.94717
12 h after light	5.72289	5.5507599999999995	5.9027
4 h after dark	5.719173333333333	5.633719999999999	5.828530000000001
8 h after dark	5.675226666666667	5.50851	5.78415
12 h after dark	5.71306	5.59938	5.855569999999999