condition mean min max 0 h after light 0.9931105 0.662861 1.32336 4 h after light 0.4421945 0.43492 0.449469 8 h after light 0.770042 0.449034 1.09105 4 h after dark 0.9777779999999999 0.433236 1.52232 8 h after dark 0.543976 0.219055 0.868897 12 h after dark 1.098923 0.215466 1.98238