Air Density Online

Thunder Mountain Speedway in Brookville, Pennsylvania
Historical weather information* for Thursday, January 14 2021

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


Get current weather for Thunder Mountain Speedway.
Track elevation: 1690 ft.

General conditions: Mostly cloudy throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Jan 14 12:00 am
  • 35 deg F
  • 80%
  • 28.07 Hg
  • 30 deg F
  • 25.4
  • SW 7 mph
  • 97.99 %
  • 692 ft.
  • Jan 14 1:00 am
  • 35 deg F
  • 80%
  • 28.05 Hg
  • 30 deg F
  • 25.4
  • SW 6 mph
  • 97.92 %
  • 720 ft.
  • Jan 14 2:00 am
  • 34 deg F
  • 81%
  • 28.05 Hg
  • 29 deg F
  • 24.7
  • SW 6 mph
  • 98.13 %
  • 645 ft.
  • Jan 14 3:00 am
  • 34 deg F
  • 81%
  • 28.07 Hg
  • 29 deg F
  • 24.7
  • SW 5 mph
  • 98.20 %
  • 621 ft.
  • Jan 14 4:00 am
  • 33 deg F
  • 84%
  • 28.06 Hg
  • 29 deg F
  • 24.6
  • SW 5 mph
  • 98.38 %
  • 558 ft.
  • Jan 14 5:00 am
  • 33 deg F
  • 84%
  • 28.06 Hg
  • 29 deg F
  • 24.6
  • SW 5 mph
  • 98.37 %
  • 562 ft.
  • Jan 14 6:00 am
  • 32 deg F
  • 86%
  • 28.06 Hg
  • 29 deg F
  • 24.2
  • SW 6 mph
  • 98.59 %
  • 486 ft.
  • Jan 14 7:00 am
  • 33 deg F
  • 86%
  • 28.07 Hg
  • 29 deg F
  • 25.2
  • SW 6 mph
  • 98.40 %
  • 553 ft.
  • Jan 14 8:00 am
  • 34 deg F
  • 85%
  • 28.09 Hg
  • 30 deg F
  • 25.9
  • SW 6 mph
  • 98.23 %
  • 611 ft.
  • Jan 14 9:00 am
  • 33 deg F
  • 87%
  • 28.11 Hg
  • 30 deg F
  • 25.4
  • SW 7 mph
  • 98.52 %
  • 511 ft.
  • Jan 14 10:00 am
  • 34 deg F
  • 89%
  • 28.11 Hg
  • 31 deg F
  • 27.1
  • SW 7 mph
  • 98.27 %
  • 596 ft.
  • Jan 14 11:00 am
  • 35 deg F
  • 88%
  • 28.09 Hg
  • 32 deg F
  • 27.9
  • SW 7 mph
  • 97.99 %
  • 692 ft.
  • Jan 14 12:00 pm
  • 36 deg F
  • 85%
  • 28.06 Hg
  • 32 deg F
  • 28.1
  • SW 6 mph
  • 97.71 %
  • 792 ft.
  • Jan 14 1:00 pm
  • 38 deg F
  • 82%
  • 28.04 Hg
  • 33 deg F
  • 29.4
  • SW 6 mph
  • 97.21 %
  • 966 ft.
  • Jan 14 2:00 pm
  • 39 deg F
  • 77%
  • 28.02 Hg
  • 32 deg F
  • 28.7
  • SW 5 mph
  • 96.97 %
  • 1049 ft.
  • Jan 14 3:00 pm
  • 40 deg F
  • 70%
  • 28.02 Hg
  • 31 deg F
  • 27.1
  • SW 5 mph
  • 96.81 %
  • 1105 ft.
  • Jan 14 4:00 pm
  • 38 deg F
  • 75%
  • 28.02 Hg
  • 31 deg F
  • 26.8
  • SW 4 mph
  • 97.21 %
  • 967 ft.
  • Jan 14 5:00 pm
  • 38 deg F
  • 74%
  • 28.03 Hg
  • 31 deg F
  • 26.5
  • SE 3 mph
  • 97.24 %
  • 954 ft.
  • Jan 14 6:00 pm
  • 35 deg F
  • 79%
  • 28.04 Hg
  • 29 deg F
  • 25.1
  • SE 4 mph
  • 97.89 %
  • 727 ft.
  • Jan 14 7:00 pm
  • 33 deg F
  • 85%
  • 28.04 Hg
  • 29 deg F
  • 24.9
  • SE 4 mph
  • 98.29 %
  • 588 ft.
  • Jan 14 8:00 pm
  • 33 deg F
  • 85%
  • 28.04 Hg
  • 29 deg F
  • 24.9
  • SE 5 mph
  • 98.29 %
  • 588 ft.
  • Jan 14 9:00 pm
  • 32 deg F
  • 86%
  • 28.04 Hg
  • 29 deg F
  • 24.2
  • SE 6 mph
  • 98.52 %
  • 510 ft.
  • Jan 14 10:00 pm
  • 33 deg F
  • 84%
  • 28.04 Hg
  • 29 deg F
  • 24.6
  • SE 6 mph
  • 98.28 %
  • 592 ft.
  • Jan 14 11:00 pm
  • 33 deg F
  • 84%
  • 28.04 Hg
  • 29 deg F
  • 24.6
  • SE 7 mph
  • 98.28 %
  • 592 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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