condition mean min max 4 h after light 0.9368185 0.917299 0.956338 8 h after light 1.397915 1.34303 1.4528 12 h after light 2.71555 2.46039 2.97071 4 h after dark 3.2898300000000003 3.18848 3.39118 8 h after dark 2.11884 1.99943 2.23825 12 h after dark 1.6120450000000002 1.41463 1.80946