condition mean min max 4 h after light 11.457175 10.52911 12.38524 8 h after light 13.381974 10.685928 16.07802 12 h after light 10.3793635 9.790919 10.967808 4 h after dark 11.244114 10.35533 12.132898 8 h after dark 11.1487675 10.967808 11.329727 12 h after dark 10.60371 10.60371 10.60371