condition mean min max 0 h after light 7.76345 7.75653 7.77037 4 h after light 15.678755 7.64751 23.71 8 h after light 48.2945 23.687 72.902 4 h after dark 38.1798 30.4716 45.888 8 h after dark 46.076750000000004 34.3765 57.777 12 h after dark 24.753049999999998 11.6192 37.8869