Análise Histórica da Qualidade do Ar de Duluth, Minnesota, United States

--°C/°C

20°C15/26°C

15°C13/17°C

13°C12/14°C

15°C13/20°C

16°C15/17°C

15°C14/18°C

17°C15/21°C

17°C13/22°C

19°C13/28°C

15°C12/19°C

18°C12/23°C

17°C10/26°C

17°C12/23°C

15°C14/17°C

15°C14/18°C

17°C15/21°C

18°C15/24°C

18°C14/23°C

20°C14/24°C

13°C7/18°C

11°C8/16°C

9°C2/17°C

12°C6/21°C

15°C13/19°C

11°C6/16°C

15°C12/19°C

12°C8/17°C

9°C5/13°C

11°C9/15°C

13°C11/13°C