Air Density Online

Boone Speedway in Boone, Iowa
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 Boone Speedway.
Track elevation: 1112 ft.

General conditions: Possible drizzle overnight.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 70 deg F
  • 97%
  • 28.81 Hg
  • 69 deg F
  • 111.1
  • SE 4 mph
  • 92.12 %
  • 2782 ft.
  • Sep 20 1:00 am
  • 69 deg F
  • 98%
  • 28.82 Hg
  • 68 deg F
  • 108.4
  • SE 3 mph
  • 92.37 %
  • 2691 ft.
  • Sep 20 2:00 am
  • 70 deg F
  • 99%
  • 28.83 Hg
  • 70 deg F
  • 113.4
  • SE 4 mph
  • 92.14 %
  • 2777 ft.
  • Sep 20 3:00 am
  • 69 deg F
  • 99%
  • 28.81 Hg
  • 69 deg F
  • 109.6
  • SE 4 mph
  • 92.34 %
  • 2705 ft.
  • Sep 20 4:00 am
  • 68 deg F
  • 100%
  • 28.81 Hg
  • 68 deg F
  • 106.9
  • SE 3 mph
  • 92.55 %
  • 2625 ft.
  • Sep 20 5:00 am
  • 68 deg F
  • 98%
  • 28.81 Hg
  • 68 deg F
  • 104.7
  • SE 4 mph
  • 92.59 %
  • 2612 ft.
  • Sep 20 6:00 am
  • 68 deg F
  • 99%
  • 28.81 Hg
  • 68 deg F
  • 105.8
  • SE 2 mph
  • 92.59 %
  • 2613 ft.
  • Sep 20 7:00 am
  • 66 deg F
  • 100%
  • 28.82 Hg
  • 66 deg F
  • 99.6
  • SE 4 mph
  • 93.09 %
  • 2430 ft.
  • Sep 20 8:00 am
  • 68 deg F
  • 100%
  • 28.83 Hg
  • 68 deg F
  • 106.8
  • SE 3 mph
  • 92.63 %
  • 2599 ft.
  • Sep 20 9:00 am
  • 71 deg F
  • 100%
  • 28.84 Hg
  • 71 deg F
  • 118.6
  • SE 4 mph
  • 91.90 %
  • 2862 ft.
  • Sep 20 10:00 am
  • 76 deg F
  • 87%
  • 28.85 Hg
  • 72 deg F
  • 122.2
  • SE 5 mph
  • 90.98 %
  • 3200 ft.
  • Sep 20 11:00 am
  • 81 deg F
  • 73%
  • 28.84 Hg
  • 72 deg F
  • 120.9
  • SE 6 mph
  • 90.14 %
  • 3511 ft.
  • Sep 20 12:00 pm
  • 85 deg F
  • 61%
  • 28.82 Hg
  • 70 deg F
  • 114.8
  • SE 9 mph
  • 89.53 %
  • 3736 ft.
  • Sep 20 1:00 pm
  • 86 deg F
  • 60%
  • 28.80 Hg
  • 71 deg F
  • 116.8
  • SE 9 mph
  • 89.26 %
  • 3838 ft.
  • Sep 20 2:00 pm
  • 88 deg F
  • 52%
  • 28.78 Hg
  • 68 deg F
  • 107.7
  • SE 13 mph
  • 89.05 %
  • 3915 ft.
  • Sep 20 3:00 pm
  • 88 deg F
  • 51%
  • 28.76 Hg
  • 68 deg F
  • 105.6
  • SE 14 mph
  • 89.04 %
  • 3919 ft.
  • Sep 20 4:00 pm
  • 88 deg F
  • 49%
  • 28.74 Hg
  • 67 deg F
  • 101.5
  • SE 14 mph
  • 89.08 %
  • 3906 ft.
  • Sep 20 5:00 pm
  • 87 deg F
  • 50%
  • 28.74 Hg
  • 66 deg F
  • 100.3
  • SE 13 mph
  • 89.25 %
  • 3840 ft.
  • Sep 20 6:00 pm
  • 86 deg F
  • 53%
  • 28.73 Hg
  • 67 deg F
  • 103.1
  • SE 10 mph
  • 89.34 %
  • 3809 ft.
  • Sep 20 7:00 pm
  • 82 deg F
  • 64%
  • 28.74 Hg
  • 69 deg F
  • 109.5
  • SE 7 mph
  • 89.90 %
  • 3599 ft.
  • Sep 20 8:00 pm
  • 77 deg F
  • 78%
  • 28.75 Hg
  • 70 deg F
  • 113.4
  • SE 5 mph
  • 90.67 %
  • 3315 ft.
  • Sep 20 9:00 pm
  • 75 deg F
  • 84%
  • 28.74 Hg
  • 70 deg F
  • 114.3
  • SE 6 mph
  • 90.98 %
  • 3201 ft.
  • Sep 20 10:00 pm
  • 73 deg F
  • 87%
  • 28.74 Hg
  • 69 deg F
  • 110.6
  • SE 6 mph
  • 91.39 %
  • 3050 ft.
  • Sep 20 11:00 pm
  • 73 deg F
  • 86%
  • 28.74 Hg
  • 69 deg F
  • 109.3
  • SE 7 mph
  • 91.42 %
  • 3041 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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