condition mean min max 4 h after light 11.82123 8.46689 14.2866 8 h after light 8.07067 3.03281 13.2336 12 h after light 9.41282 5.0701 15.1353 4 h after dark 14.758266666666666 10.165 17.6882 8 h after dark 11.801 10.8937 13.558 12 h after dark 10.71235 9.42267 13.0089