condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.08501453333333334 0.0 0.215061 12 h after light 0.047116 0.0 0.141348 4 h after dark 0.0 0.0 0.0 8 h after dark 0.130335 0.0 0.391005 12 h after dark 0.06107166666666666 0.0 0.183215