condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.037002925 0.0 0.0949179 3 h after dark 0.019575466666666666 0.0 0.0587264 6 h after dark 0.07438613333333334 0.0 0.165554 9 h after dark 0.03566066666666667 0.0 0.106982 12 h after dark 0.0 0.0 0.0