condition mean min max 4 h after light 0.5416313333333334 0.0 1.03493 8 h after light 0.9249080000000001 0.398137 1.52966 12 h after light 1.1937743333333333 0.804293 1.59337 4 h after dark 1.68418 1.12869 1.99664 8 h after dark 1.033174 0.556218 1.55606 12 h after dark 0.549266 0.249298 0.877239