condition mean min max 4 h after light 2.9239949999999997 2.54731 3.30068 8 h after light 2.2982699999999996 2.04498 2.55156 12 h after light 3.896315 3.8851 3.90753 4 h after dark 5.20726 4.94439 5.47013 8 h after dark 5.304595 4.99294 5.61625 12 h after dark 4.68448 4.61912 4.74984