Air Density Online

Petaluma Speedway in Petaluma, California
Historical weather information* for Friday, September 20 2019

Powered by Darksky.net. Dates available from 2016-present. Please note that some dates might have incomplete data.


Get current weather for Petaluma Speedway.
Track elevation: 23 ft.

General conditions: Clear throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 57 deg F
  • 71%
  • 29.88 Hg
  • 48 deg F
  • 49.0
  • SW 2 mph
  • 99.34 %
  • 228 ft.
  • Sep 20 1:00 am
  • 58 deg F
  • 68%
  • 29.89 Hg
  • 47 deg F
  • 48.6
  • W 2 mph
  • 99.17 %
  • 284 ft.
  • Sep 20 2:00 am
  • 58 deg F
  • 68%
  • 29.90 Hg
  • 47 deg F
  • 48.6
  • W 2 mph
  • 99.21 %
  • 270 ft.
  • Sep 20 3:00 am
  • 57 deg F
  • 69%
  • 29.90 Hg
  • 47 deg F
  • 47.6
  • W 2 mph
  • 99.43 %
  • 196 ft.
  • Sep 20 4:00 am
  • 57 deg F
  • 69%
  • 29.90 Hg
  • 47 deg F
  • 47.6
  • NW 2 mph
  • 99.42 %
  • 200 ft.
  • Sep 20 5:00 am
  • 57 deg F
  • 66%
  • 29.88 Hg
  • 46 deg F
  • 45.5
  • NW 2 mph
  • 99.42 %
  • 199 ft.
  • Sep 20 6:00 am
  • 56 deg F
  • 65%
  • 29.90 Hg
  • 44 deg F
  • 43.2
  • NW 3 mph
  • 99.72 %
  • 95 ft.
  • Sep 20 7:00 am
  • 56 deg F
  • 67%
  • 29.91 Hg
  • 45 deg F
  • 44.5
  • NW 2 mph
  • 99.72 %
  • 95 ft.
  • Sep 20 8:00 am
  • 58 deg F
  • 66%
  • 29.92 Hg
  • 47 deg F
  • 47.2
  • NW 3 mph
  • 99.29 %
  • 242 ft.
  • Sep 20 9:00 am
  • 63 deg F
  • 60%
  • 29.92 Hg
  • 49 deg F
  • 51.3
  • NW 3 mph
  • 98.27 %
  • 596 ft.
  • Sep 20 10:00 am
  • 71 deg F
  • 44%
  • 29.92 Hg
  • 48 deg F
  • 49.5
  • NW 3 mph
  • 96.84 %
  • 1096 ft.
  • Sep 20 11:00 am
  • 77 deg F
  • 35%
  • 29.92 Hg
  • 47 deg F
  • 48.2
  • NW 3 mph
  • 95.78 %
  • 1467 ft.
  • Sep 20 12:00 pm
  • 80 deg F
  • 28%
  • 29.91 Hg
  • 44 deg F
  • 42.5
  • W 3 mph
  • 95.33 %
  • 1629 ft.
  • Sep 20 1:00 pm
  • 82 deg F
  • 26%
  • 29.90 Hg
  • 44 deg F
  • 42.1
  • SW 5 mph
  • 94.96 %
  • 1761 ft.
  • Sep 20 2:00 pm
  • 83 deg F
  • 26%
  • 29.88 Hg
  • 45 deg F
  • 43.6
  • SW 6 mph
  • 94.69 %
  • 1856 ft.
  • Sep 20 3:00 pm
  • 82 deg F
  • 27%
  • 29.87 Hg
  • 45 deg F
  • 43.8
  • SW 7 mph
  • 94.84 %
  • 1803 ft.
  • Sep 20 4:00 pm
  • 80 deg F
  • 30%
  • 29.86 Hg
  • 46 deg F
  • 45.7
  • SW 8 mph
  • 95.09 %
  • 1712 ft.
  • Sep 20 5:00 pm
  • 79 deg F
  • 32%
  • 29.85 Hg
  • 47 deg F
  • 47.2
  • SW 9 mph
  • 95.22 %
  • 1669 ft.
  • Sep 20 6:00 pm
  • 77 deg F
  • 36%
  • 29.84 Hg
  • 48 deg F
  • 49.7
  • SW 8 mph
  • 95.47 %
  • 1578 ft.
  • Sep 20 7:00 pm
  • 72 deg F
  • 45%
  • 29.86 Hg
  • 49 deg F
  • 52.5
  • NW 7 mph
  • 96.39 %
  • 1252 ft.
  • Sep 20 8:00 pm
  • 69 deg F
  • 54%
  • 29.90 Hg
  • 52 deg F
  • 56.9
  • SW 6 mph
  • 96.97 %
  • 1049 ft.
  • Sep 20 9:00 pm
  • 66 deg F
  • 60%
  • 29.91 Hg
  • 52 deg F
  • 57.0
  • SW 5 mph
  • 97.55 %
  • 848 ft.
  • Sep 20 10:00 pm
  • 65 deg F
  • 65%
  • 29.92 Hg
  • 53 deg F
  • 59.7
  • NW 4 mph
  • 97.72 %
  • 789 ft.
  • Sep 20 11:00 pm
  • 64 deg F
  • 68%
  • 29.93 Hg
  • 53 deg F
  • 60.3
  • NW 4 mph
  • 97.91 %
  • 723 ft.
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Please note that basic weather data used here is obtained from third party weather providers. As a result, the weather information provided cannot be guaranteed by airdensityonline.com. Airdensityonline.com is not a representative of any third party weather providers.


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