condition	mean	min	max
4 h after light	13.221029999999999	13.166129999999999	13.26155
8 h after light	13.151386666666665	13.088239999999999	13.21979
12 h after light	13.182286666666666	13.10414	13.314729999999999
4 h after dark	13.18159	13.146510000000001	13.2391
8 h after dark	13.318950000000001	13.25182	13.393770000000002
12 h after dark	13.265833333333333	13.22465	13.343960000000001