condition mean min max 0 h after light 0.03141105 0.0 0.0628221 4 h after light 0.0630439 0.0620768 0.064011 8 h after light 0.062153 0.0 0.124306 4 h after dark 0.03107945 0.0 0.0621589 8 h after dark 0.0311967 0.0 0.0623934 12 h after dark 0.0 0.0 0.0