condition mean min max 4 h after light 11.3261 10.5517 12.1005 8 h after light 8.497395000000001 8.30566 8.68913 12 h after light 8.63656 8.287 8.98612 4 h after dark 11.9999 11.7066 12.2932 8 h after dark 11.22305 11.0021 11.444 12 h after dark 12.691099999999999 12.4287 12.9535