condition mean min max 0 h after light 0.35779950000000005 0.268649 0.44695 4 h after light 0.763877 0.616936 0.910818 8 h after light 0.538294 0.530626 0.545962 4 h after dark 0.219481 0.0 0.438962 8 h after dark 0.132428 0.08878 0.176076 12 h after dark 0.08927 0.0 0.17854