Grand Portage, Minnesota, United States 历史空气质量分析

15°C10/21°C

18°C12/25°C

19°C14/29°C

15°C12/19°C

15°C12/19°C

19°C15/23°C

18°C14/23°C

20°C13/27°C

20°C13/24°C

10°C7/14°C

8°C5/12°C

6°C1/12°C

9°C4/15°C

11°C8/15°C

8°C3/14°C

12°C9/14°C

10°C5/13°C

7°C2/12°C

8°C6/13°C

8°C4/11°C

14°C11/17°C

11°C9/14°C

7°C4/10°C

6°C2/10°C

6°C4/7°C

4°C2/6°C

2°C0/4°C

1°C-1/5°C

6°C1/11°C

7°C3/12°C

--°C/°C