condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0465302 0.0 0.0701814 12 h after light 0.0307511 0.0 0.0922533 4 h after dark 0.41930999999999996 0.267825 0.515327 8 h after dark 0.04253266666666666 0.0 0.127598 12 h after dark 0.0 0.0 0.0