condition	mean	min	max
0 h after light	4.368455	3.91106	4.82585
4 h after light	4.133785	3.69588	4.57169
8 h after light	4.51766	4.44528	4.59004
4 h after dark	5.353695	5.27377	5.43362
8 h after dark	4.9572	4.85028	5.06412
12 h after dark	4.23486	3.97061	4.49911