condition	mean	min	max
4 h after light	5.20704	5.14964	5.30806
8 h after light	5.1777766666666665	5.10157	5.22323
12 h after light	5.164913333333334	5.03078	5.28643
4 h after dark	5.3055433333333335	5.28517	5.32643
8 h after dark	5.13602	5.12754	5.14876
12 h after dark	5.26805	5.05301	5.59738