condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0162043 0.0 0.0486129 4 h after dark 0.0 0.0 0.0 8 h after dark 0.053051666666666664 0.0 0.159155 12 h after dark 0.0100877 0.0 0.0302631