condition	mean	min	max
4 h after light	3.3490450000000003	2.9653	3.73279
8 h after light	3.31514	3.28111	3.34917
12 h after light	3.77113	3.55225	3.99001
4 h after dark	5.697536666666666	4.83416	6.19964
8 h after dark	4.273723333333334	3.97581	4.79213
12 h after dark	3.695406666666667	3.39983	4.0377