condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.011837766666666666 0.0 0.0355133 12 h after light 0.008903133333333334 0.0 0.0267094 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0207711 0.0 0.032785 12 h after dark 0.06643876666666666 0.0 0.116528