condition mean min max 2 h after light 0.0749235 0.0 0.449541 6 h after light 0.11593166666666667 0.0 0.69559 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0