condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.066655 0.0 0.199965 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.07799016666666667 0.0 0.161322 12 h after dark 0.013578933333333333 0.0 0.0407368