condition mean min max 4 h after light 2.797615 1.69063 3.9046 8 h after light 7.45377 6.62491 8.28263 12 h after light 5.211125 4.09994 6.32231 4 h after dark 9.542225 7.84825 11.2362 8 h after dark 3.9807699999999997 3.63078 4.33076 12 h after dark 4.237325 4.23373 4.24092