condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0496611 0.0 0.124387 12 h after light 0.0 0.0 0.0 4 h after dark 0.010045866666666667 0.0 0.0301376 8 h after dark 0.0 0.0 0.0 12 h after dark 0.017661433333333334 0.0 0.0529843