condition	mean	min	max
4 h after light	8.389258	8.227667	8.550849
8 h after light	7.395218	7.081913	7.708523
12 h after light	7.708523	7.708523	7.708523
4 h after dark	7.2778915	6.84726	7.708523
8 h after dark	7.7899674999999995	7.732818	7.847117
12 h after dark	6.858067	6.858067	6.858067