condition	mean	min	max
4 h after light	4.29429	4.21168	4.39839
8 h after light	4.280856666666667	4.2582699999999996	4.3087
12 h after light	4.29406	4.12467	4.4814
4 h after dark	4.30574	4.27683	4.35515
8 h after dark	4.248696666666667	4.17356	4.3228599999999995
12 h after dark	4.257016666666667	4.171469999999999	4.41364