Phân tích chất lượng không khí lịch sử Norrkoping, ostergotland, Sweden

10°C5/15°C

12°C5/18°C

12°C8/16°C

13°C9/18°C

13°C8/18°C

14°C8/19°C

16°C13/22°C

15°C13/17°C

17°C13/21°C

17°C13/23°C

17°C13/23°C

18°C14/22°C

18°C14/23°C

19°C15/26°C

19°C14/25°C

16°C13/21°C

17°C12/24°C

17°C12/25°C

18°C13/24°C

17°C13/22°C

15°C13/17°C

15°C11/21°C

14°C9/20°C

15°C11/21°C

14°C10/19°C

14°C12/16°C

14°C11/18°C

14°C11/17°C

16°C13/20°C

19°C16/23°C

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