condition mean min max 4 h after light 11.533945 11.533945 11.533945 8 h after light 12.2685935 12.052265 12.484922 12 h after light 11.9899785 11.352507 12.62745 4 h after dark 11.150121500000001 11.122851 11.177392 8 h after dark 11.8954265 11.854952 11.935901 12 h after dark 11.533945 11.533945 11.533945