Análise Histórica da Qualidade do Ar de Helena Valley West Central, Montana, United States

18°C8/27°C

16°C10/21°C

15°C6/25°C

16°C9/25°C

18°C11/27°C

16°C11/21°C

15°C10/21°C

14°C8/21°C

12°C9/19°C

9°C6/15°C

3°C1/5°C

4°C-2/12°C

9°C1/18°C

13°C5/22°C

11°C4/19°C

13°C4/23°C

12°C6/17°C

2°C0/4°C

-2°C-3/0°C

1°C-3/5°C

3°C-1/9°C

4°C0/12°C

6°C2/14°C

5°C0/12°C

7°C3/11°C

5°C2/10°C

7°C2/15°C

8°C2/16°C

9°C2/16°C

10°C2/18°C

--°C/°C