condition mean min max 2 h after light 7.785775 5.67473 9.72658 6 h after light 5.513176666666666 3.08668 6.89245 10 h after light 2.7062833333333334 2.0917 3.2723 14 h after light 2.9210599999999998 1.1207 4.10333 18 h after light 4.317325 2.88682 5.91978 2 h after dark 4.2008133333333335 2.44995 6.02345