condition	mean	min	max
4 h after light	14.7422865	14.522268	14.962305
8 h after light	15.9802025	13.419001	18.541404
12 h after light	14.378717	12.865896	15.891538
4 h after dark	14.083697	13.180703	14.986691
8 h after dark	16.911334	16.403851	17.418817
12 h after dark	13.936573	13.936573	13.936573