condition mean min max 4 h after light 9.742065 8.36123 11.1229 8 h after light 11.4155 10.3729 12.4581 12 h after light 9.64284 8.91628 10.3694 4 h after dark 5.550963333333334 5.20331 6.06309 8 h after dark 6.74242 6.0319 7.91661 12 h after dark 8.431046666666667 7.58404 9.3684