Phân tích chất lượng không khí lịch sử Chard, Alberta, Canada

1°C-7/8°C

2°C-8/11°C

9°C0/17°C

5°C3/7°C

8°C2/14°C

12°C3/21°C

12°C6/19°C

14°C6/20°C

16°C7/25°C

9°C2/13°C

1°C-1/5°C

5°C-2/10°C

7°C0/12°C

8°C-2/15°C

11°C2/18°C

11°C5/17°C

12°C5/17°C

12°C7/19°C

14°C7/23°C

12°C6/16°C

14°C6/23°C

18°C8/27°C

19°C12/28°C

20°C13/27°C

22°C13/31°C

18°C14/22°C

13°C11/14°C

9°C8/9°C

7°C6/7°C

12°C6/21°C