Each hardiness zone differs by 10 degrees F, so the difference in low winter temperatures between zones 6 and 7 is 10 degrees; between zones 6 and 8, 20 degrees; between zones 6 and 9, 30 degrees, and so on.
The median annual Dentist salary is $143,918, as of July 29, 2016, with a range usually between $128,516-$168,271, however this can vary widely depending on a variety of factors.
Pediatric Dentist Salary. On average, Pediatric Dentists in the United States earn six-figure salaries ($165K) annually, making for a very well-paid profession. Job satisfaction is reported as high by the vast majority of workers. Among survey respondents, women are more common than men; 81 percent of Pediatric Dentists are female.