Phân tích chất lượng không khí lịch sử Altoona, Altoona, Pennsylvania, United States

20°C12/28°C

20°C11/29°C

21°C12/30°C

22°C14/28°C

23°C15/30°C

24°C17/31°C

23°C17/30°C

24°C18/29°C

24°C18/32°C

24°C18/32°C

18°C15/21°C

17°C13/20°C

19°C17/21°C

18°C16/20°C

20°C16/26°C

20°C14/27°C

22°C18/26°C

18°C13/22°C

15°C9/19°C

15°C6/21°C

15°C3/24°C

15°C11/19°C

13°C4/19°C

16°C8/22°C

17°C10/23°C

17°C11/23°C

18°C9/26°C

18°C13/23°C

20°C11/28°C

18°C16/22°C

--°C/°C