condition	mean	min	max
0 h after light	9.458055	9.12949	9.78662
4 h after light	8.312805	7.68472	8.94089
8 h after light	8.716445	8.17996	9.25293
4 h after dark	13.5169	12.8367	14.1971
8 h after dark	10.922799999999999	10.7882	11.0574
12 h after dark	10.3093	10.2623	10.3563