condition	mean	min	max
4 h after light	5.43467	5.35419	5.4836599999999995
8 h after light	5.324526666666666	5.2778599999999996	5.40476
12 h after light	5.4004	5.27125	5.59034
4 h after dark	5.312446666666666	5.17237	5.38857
8 h after dark	5.4954833333333335	5.43952	5.53734
12 h after dark	5.3500266666666665	5.31506	5.3852400000000005