Portola, California, United States ऐतिहासिक वायु गुणवत्ता विश्लेषण

25°C16/34°C

26°C16/35°C

26°C18/34°C

22°C14/30°C

21°C14/29°C

21°C13/28°C

21°C12/29°C

22°C13/30°C

21°C13/29°C

18°C13/23°C

17°C11/24°C

19°C13/27°C

18°C10/27°C

17°C10/27°C

17°C9/24°C

18°C10/25°C

20°C12/27°C

21°C14/28°C

18°C13/24°C

20°C10/27°C

20°C14/28°C

20°C12/28°C

19°C11/27°C

17°C9/25°C

18°C9/26°C

19°C11/27°C

20°C11/28°C

22°C12/29°C

23°C14/31°C

24°C15/32°C

--°C/°C