condition	mean	min	max
4 h after light	5.471796666666667	5.379580000000001	5.61294
8 h after light	5.32425	5.18545	5.41982
12 h after light	5.30893	5.25013	5.42227
4 h after dark	5.366103333333333	5.31741	5.4297
8 h after dark	5.35425	5.076919999999999	5.513240000000001
12 h after dark	5.372436666666666	5.21161	5.46394