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 0.00269805 0.0 0.0053961 4 h after dark 0.0021322966666666664 0.0 0.00639689 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0