condition mean min max 3 h after light 19.735091666666666 5.59492 31.8683 7 h after light 17.886745833333332 8.97129 27.9695 11 h after light 17.1822975 6.18387 25.0914 2 h after dark 19.055235 7.98438 29.7077 6 h after dark 18.98096 6.67926 32.7774 10 h after dark 18.8851175 9.48771 30.2125