condition mean min max 3 h after light 4.02499 2.98357 5.62613 6 h after light 4.1191933333333335 3.27658 4.8105 9 h after light 3.442633333333333 3.09136 3.90738 12 h after light 3.8717775 3.27787 4.44513 3 h after dark 4.707036666666666 4.20499 5.52445 6 h after dark 4.56356 4.00347 5.40866 9 h after dark 2.9184533333333333 1.93273 3.84416 12 h after dark 3.2306999999999997 2.4985 3.9629