Phân tích chất lượng không khí lịch sử Kerrobert, Saskatchewan, Canada

3°C-4/10°C

5°C-5/15°C

10°C0/21°C

12°C2/20°C

8°C-2/17°C

14°C2/25°C

15°C9/20°C

15°C4/24°C

19°C10/30°C

12°C8/13°C

5°C2/5°C

3°C1/5°C

3°C1/6°C

5°C0/12°C

9°C1/17°C

9°C7/12°C

12°C4/19°C

14°C4/21°C

16°C8/24°C

17°C9/24°C

19°C9/29°C

22°C12/31°C

23°C16/33°C

26°C18/34°C

25°C18/32°C

22°C17/28°C

19°C16/23°C

17°C14/20°C

12°C9/17°C

13°C11/16°C