condition mean min max 3 h after light 0.365849 0.238724 0.531781 6 h after light 0.35952466666666666 0.108025 0.602629 9 h after light 0.48517566666666667 0.387899 0.535037 12 h after light 0.64018925 0.346856 0.9469 3 h after dark 0.9594566666666666 0.61457 1.41344 6 h after dark 0.934777 0.791421 1.16343 9 h after dark 0.786652 0.615653 1.11224 12 h after dark 0.551464 0.486883 0.616045