condition mean min max 3 h after light 7.2135066666666665 6.88282 7.59439 6 h after light 10.81205 8.49926 14.135 9 h after light 14.9575 14.4856 15.6851 12 h after light 16.662633333333332 12.5295 21.9487 3 h after dark 15.615400000000001 13.5275 18.5572 6 h after dark 20.078133333333334 18.7236 21.9079 9 h after dark 14.944166666666666 14.2902 16.1865 12 h after dark 8.13029 7.07865 9.86128