condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.020820666666666664 0.0 0.062462 12 h after light 0.041053 0.0 0.123159 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.019900633333333334 0.0 0.0597019