condition	mean	min	max
4 h after light	5.34895	5.28448	5.46988
8 h after light	5.320436666666667	5.16919	5.57798
12 h after light	5.163076666666667	5.12758	5.18154
4 h after dark	5.14926	4.95182	5.276269999999999
8 h after dark	5.322956666666667	5.21684	5.448580000000001
12 h after dark	5.40644	5.27716	5.58938