condition	mean	min	max
4 h after light	4.64398	4.578119999999999	4.70686
8 h after light	4.65557	4.50231	4.87666
12 h after light	4.554823333333333	4.4558800000000005	4.7054800000000006
4 h after dark	4.762286666666666	4.64039	5.0018199999999995
8 h after dark	4.660663333333333	4.49938	4.751869999999999
12 h after dark	4.546523333333333	4.42481	4.77462