condition mean min max 4 h after light 61.9287865 56.580362 67.277211 8 h after light 64.882366 61.791868 67.972864 12 h after light 81.928595 71.086632 92.770558 4 h after dark 122.97660450000001 95.370181 150.583028 8 h after dark 169.475437 145.396078 193.554796 12 h after dark 63.665402 63.665402 63.665402