condition mean min max 3 h after light 0.0 0.0 0.0 7 h after light 0.019813666666666667 0.0 0.237764 11 h after light 0.015758416666666667 0.0 0.189101 2 h after dark 0.0157395 0.0 0.188874 6 h after dark 0.016318 0.0 0.195816 10 h after dark 0.012794083333333333 0.0 0.153529