condition mean min max 0 h after light 0.7903739999999999 0.714402 0.866346 4 h after light 1.0704135 0.902077 1.23875 8 h after light 1.082335 1.02919 1.13548 4 h after dark 1.203132 0.898584 1.50768 8 h after dark 1.24648 1.07391 1.41905 12 h after dark 1.210535 0.97629 1.44478