condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.019817666666666667 0.0 0.118906 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.022285833333333335 0.0 0.133715 2 h after dark 0.0 0.0 0.0