condition	mean	min	max
4 h after light	5.212176666666667	5.13388	5.30057
8 h after light	5.49666	5.43156	5.53809
12 h after light	5.34928	5.28257	5.45463
4 h after dark	5.1884266666666665	5.0762599999999996	5.27491
8 h after dark	5.241726666666667	5.1467	5.4092400000000005
12 h after dark	4.98316	4.87879	5.1117