condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.009383616666666667 0.0 0.0563017 14 h after light 0.0 0.0 0.0 18 h after light 0.01133885 0.0 0.0680331 2 h after dark 0.03459135 0.0 0.0721697