Sierra Road East, Helena, Montana, United States ऐतिहासिक वायु गुणवत्ता विश्लेषण

18°C9/29°C

17°C12/24°C

16°C9/23°C

14°C8/23°C

14°C10/20°C

11°C7/16°C

4°C1/7°C

5°C-1/14°C

9°C1/20°C

12°C3/24°C

12°C4/21°C

14°C3/26°C

13°C7/18°C

3°C0/4°C

0°C-2/2°C

2°C0/7°C

4°C0/10°C

6°C1/13°C

8°C4/16°C

7°C1/14°C

7°C3/13°C

6°C3/11°C

9°C3/17°C

8°C1/18°C

9°C1/18°C

10°C1/21°C

13°C8/19°C

6°C2/10°C

3°C0/7°C

4°C-1/11°C

--°C/°C