condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.012369 0.0 0.037107 12 h after light 0.020556066666666668 0.0 0.0616682 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0