Phân tích chất lượng không khí lịch sử US Forestry Department, Woodstock, New Hampshire, United States

17°C10/25°C

15°C9/21°C

10°C5/16°C

9°C3/17°C

13°C5/21°C

18°C12/25°C

19°C14/26°C

19°C14/26°C

18°C13/25°C

12°C4/14°C

4°C1/9°C

5°C-2/12°C

8°C3/16°C

9°C4/13°C

9°C7/11°C

11°C8/15°C

8°C3/10°C

4°C2/8°C

7°C3/13°C

9°C4/15°C

12°C8/18°C

12°C10/16°C

9°C7/11°C

8°C5/10°C

6°C4/8°C

5°C3/8°C

4°C2/6°C

3°C1/4°C

4°C2/6°C

5°C3/11°C

--°C/°C