condition mean min max 4 h after light 9.56589 8.89618 10.2356 8 h after light 7.122529999999999 5.95391 8.29115 12 h after light 7.398275 7.1933 7.60325 4 h after dark 9.17437 8.64998 10.0412 8 h after dark 10.69304 9.40903 12.847 12 h after dark 9.971173333333333 9.35544 10.5592