Phân tích chất lượng không khí lịch sử Drayton Valley, Alberta, Canada

5°C-1/10°C

9°C1/17°C

13°C7/19°C

12°C7/16°C

11°C6/18°C

13°C8/21°C

12°C7/17°C

12°C6/18°C

14°C10/18°C

11°C6/15°C

8°C3/14°C

4°C-1/8°C

6°C1/11°C

8°C2/14°C

9°C5/14°C

8°C4/12°C

10°C4/16°C

13°C9/19°C

13°C7/20°C

11°C5/15°C

15°C7/23°C

16°C10/22°C

17°C12/22°C

18°C14/23°C

18°C13/24°C

12°C9/16°C

8°C6/9°C

8°C7/9°C

7°C6/8°C

10°C6/15°C