Air Density Online

Park Jefferson Speedway in Jefferson, South Dakota
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 Park Jefferson Speedway.
Track elevation: 1109 ft.

General conditions: Humid and partly cloudy throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 73 deg F
  • 88%
  • 28.75 Hg
  • 69 deg F
  • 111.9
  • SE 7 mph
  • 91.40 %
  • 3047 ft.
  • Sep 20 1:00 am
  • 72 deg F
  • 94%
  • 28.76 Hg
  • 70 deg F
  • 115.6
  • SE 6 mph
  • 91.51 %
  • 3006 ft.
  • Sep 20 2:00 am
  • 72 deg F
  • 96%
  • 28.76 Hg
  • 71 deg F
  • 118.1
  • SE 7 mph
  • 91.49 %
  • 3015 ft.
  • Sep 20 3:00 am
  • 71 deg F
  • 97%
  • 28.76 Hg
  • 70 deg F
  • 115.3
  • SE 7 mph
  • 91.69 %
  • 2940 ft.
  • Sep 20 4:00 am
  • 72 deg F
  • 96%
  • 28.76 Hg
  • 71 deg F
  • 118.1
  • SE 7 mph
  • 91.46 %
  • 3024 ft.
  • Sep 20 5:00 am
  • 71 deg F
  • 98%
  • 28.76 Hg
  • 70 deg F
  • 116.6
  • SE 6 mph
  • 91.66 %
  • 2951 ft.
  • Sep 20 6:00 am
  • 70 deg F
  • 98%
  • 28.75 Hg
  • 69 deg F
  • 112.6
  • SE 5 mph
  • 91.90 %
  • 2865 ft.
  • Sep 20 7:00 am
  • 71 deg F
  • 96%
  • 28.75 Hg
  • 70 deg F
  • 114.1
  • SE 6 mph
  • 91.71 %
  • 2934 ft.
  • Sep 20 8:00 am
  • 71 deg F
  • 97%
  • 28.77 Hg
  • 70 deg F
  • 115.3
  • SE 7 mph
  • 91.75 %
  • 2919 ft.
  • Sep 20 9:00 am
  • 72 deg F
  • 95%
  • 28.78 Hg
  • 71 deg F
  • 116.8
  • SE 6 mph
  • 91.57 %
  • 2984 ft.
  • Sep 20 10:00 am
  • 75 deg F
  • 88%
  • 28.78 Hg
  • 71 deg F
  • 119.7
  • SE 10 mph
  • 90.99 %
  • 3199 ft.
  • Sep 20 11:00 am
  • 79 deg F
  • 80%
  • 28.77 Hg
  • 72 deg F
  • 124.4
  • SE 10 mph
  • 90.19 %
  • 3491 ft.
  • Sep 20 12:00 pm
  • 83 deg F
  • 70%
  • 28.75 Hg
  • 72 deg F
  • 124.1
  • SE 12 mph
  • 89.47 %
  • 3758 ft.
  • Sep 20 1:00 pm
  • 85 deg F
  • 59%
  • 28.73 Hg
  • 69 deg F
  • 111.3
  • SE 12 mph
  • 89.34 %
  • 3809 ft.
  • Sep 20 2:00 pm
  • 86 deg F
  • 57%
  • 28.72 Hg
  • 69 deg F
  • 111.1
  • SE 14 mph
  • 89.14 %
  • 3882 ft.
  • Sep 20 3:00 pm
  • 86 deg F
  • 57%
  • 28.70 Hg
  • 69 deg F
  • 111.2
  • SE 14 mph
  • 89.07 %
  • 3910 ft.
  • Sep 20 4:00 pm
  • 86 deg F
  • 56%
  • 28.67 Hg
  • 69 deg F
  • 109.3
  • SE 14 mph
  • 89.03 %
  • 3923 ft.
  • Sep 20 5:00 pm
  • 85 deg F
  • 56%
  • 28.68 Hg
  • 68 deg F
  • 105.7
  • SE 16 mph
  • 89.27 %
  • 3834 ft.
  • Sep 20 6:00 pm
  • 84 deg F
  • 59%
  • 28.66 Hg
  • 68 deg F
  • 108.0
  • SE 12 mph
  • 89.33 %
  • 3812 ft.
  • Sep 20 7:00 pm
  • 82 deg F
  • 60%
  • 28.65 Hg
  • 67 deg F
  • 102.9
  • SE 8 mph
  • 89.74 %
  • 3661 ft.
  • Sep 20 8:00 pm
  • 79 deg F
  • 65%
  • 28.65 Hg
  • 66 deg F
  • 101.0
  • SE 9 mph
  • 90.30 %
  • 3453 ft.
  • Sep 20 9:00 pm
  • 77 deg F
  • 74%
  • 28.65 Hg
  • 68 deg F
  • 107.8
  • SE 11 mph
  • 90.49 %
  • 3381 ft.
  • Sep 20 10:00 pm
  • 75 deg F
  • 77%
  • 28.65 Hg
  • 67 deg F
  • 104.9
  • SE 12 mph
  • 90.89 %
  • 3234 ft.
  • Sep 20 11:00 pm
  • 73 deg F
  • 80%
  • 28.67 Hg
  • 67 deg F
  • 101.8
  • SE 9 mph
  • 91.33 %
  • 3071 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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