condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.06344825 0.0432317 0.0836648 8 h after light 0.04318985 0.0 0.0863797 4 h after dark 0.04183505 0.0 0.0836701 8 h after dark 0.1255371 0.0421392 0.208935 12 h after dark 0.0 0.0 0.0