Phân tích chất lượng không khí lịch sử Wei County No 3 Middle School, Handan, Hebei, China

15°C12/20°C

15°C12/19°C

15°C11/20°C

12°C8/16°C

12°C7/17°C

14°C10/20°C

14°C9/19°C

15°C11/19°C

12°C11/13°C

12°C9/16°C

12°C10/17°C

11°C8/15°C

13°C9/18°C

13°C10/17°C

12°C8/16°C

12°C8/17°C

15°C11/21°C

11°C6/14°C

4°C2/6°C

4°C-1/9°C

7°C2/13°C

8°C5/13°C

9°C4/15°C

10°C5/15°C

12°C9/19°C

10°C5/13°C

5°C1/10°C

9°C2/17°C

7°C3/11°C

--°C/°C

--°C/°C