Air Density Online

Colorado National Speedway in Erie, Colorado
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 Colorado National Speedway.
Track elevation: 5049.2 ft.

General conditions: Partly cloudy throughout the day.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 68 deg F
  • 57%
  • 24.64 Hg
  • 52 deg F
  • 70.7
  • SE 9 mph
  • 79.82 %
  • 7515 ft.
  • Sep 20 1:00 am
  • 67 deg F
  • 59%
  • 24.65 Hg
  • 52 deg F
  • 70.6
  • SE 8 mph
  • 79.98 %
  • 7452 ft.
  • Sep 20 2:00 am
  • 65 deg F
  • 62%
  • 24.65 Hg
  • 52 deg F
  • 69.2
  • SE 6 mph
  • 80.31 %
  • 7316 ft.
  • Sep 20 3:00 am
  • 63 deg F
  • 64%
  • 24.63 Hg
  • 51 deg F
  • 66.6
  • SE 4 mph
  • 80.61 %
  • 7196 ft.
  • Sep 20 4:00 am
  • 61 deg F
  • 70%
  • 24.64 Hg
  • 51 deg F
  • 67.9
  • SE 4 mph
  • 80.92 %
  • 7071 ft.
  • Sep 20 5:00 am
  • 59 deg F
  • 73%
  • 24.61 Hg
  • 50 deg F
  • 66.0
  • SE 3 mph
  • 81.19 %
  • 6963 ft.
  • Sep 20 6:00 am
  • 58 deg F
  • 75%
  • 24.65 Hg
  • 50 deg F
  • 65.3
  • NW 2 mph
  • 81.47 %
  • 6849 ft.
  • Sep 20 7:00 am
  • 57 deg F
  • 78%
  • 24.66 Hg
  • 50 deg F
  • 65.5
  • SW 3 mph
  • 81.68 %
  • 6766 ft.
  • Sep 20 8:00 am
  • 61 deg F
  • 69%
  • 24.66 Hg
  • 51 deg F
  • 66.9
  • NE 2 mph
  • 81.02 %
  • 7030 ft.
  • Sep 20 9:00 am
  • 67 deg F
  • 57%
  • 24.67 Hg
  • 51 deg F
  • 68.1
  • E 2 mph
  • 80.11 %
  • 7399 ft.
  • Sep 20 10:00 am
  • 72 deg F
  • 45%
  • 24.62 Hg
  • 49 deg F
  • 63.9
  • SE 4 mph
  • 79.28 %
  • 7737 ft.
  • Sep 20 11:00 am
  • 78 deg F
  • 33%
  • 24.62 Hg
  • 47 deg F
  • 57.2
  • SE 5 mph
  • 78.49 %
  • 8061 ft.
  • Sep 20 12:00 pm
  • 81 deg F
  • 24%
  • 24.59 Hg
  • 41 deg F
  • 45.8
  • SE 6 mph
  • 78.18 %
  • 8187 ft.
  • Sep 20 1:00 pm
  • 84 deg F
  • 18%
  • 24.57 Hg
  • 36 deg F
  • 37.8
  • SE 7 mph
  • 77.82 %
  • 8338 ft.
  • Sep 20 2:00 pm
  • 86 deg F
  • 14%
  • 24.54 Hg
  • 31 deg F
  • 31.4
  • SE 9 mph
  • 77.54 %
  • 8455 ft.
  • Sep 20 3:00 pm
  • 87 deg F
  • 12%
  • 24.53 Hg
  • 29 deg F
  • 27.7
  • SE 11 mph
  • 77.45 %
  • 8492 ft.
  • Sep 20 4:00 pm
  • 86 deg F
  • 13%
  • 24.52 Hg
  • 30 deg F
  • 29.1
  • SE 11 mph
  • 77.54 %
  • 8454 ft.
  • Sep 20 5:00 pm
  • 85 deg F
  • 14%
  • 24.53 Hg
  • 31 deg F
  • 30.4
  • SW 11 mph
  • 77.69 %
  • 8393 ft.
  • Sep 20 6:00 pm
  • 83 deg F
  • 17%
  • 24.54 Hg
  • 34 deg F
  • 34.6
  • SW 9 mph
  • 77.91 %
  • 8300 ft.
  • Sep 20 7:00 pm
  • 78 deg F
  • 20%
  • 24.57 Hg
  • 34 deg F
  • 34.5
  • NE 7 mph
  • 78.76 %
  • 7951 ft.
  • Sep 20 8:00 pm
  • 73 deg F
  • 24%
  • 24.61 Hg
  • 34 deg F
  • 35.0
  • NE 7 mph
  • 79.61 %
  • 7601 ft.
  • Sep 20 9:00 pm
  • 70 deg F
  • 21%
  • 24.65 Hg
  • 29 deg F
  • 27.6
  • NW 8 mph
  • 80.32 %
  • 7314 ft.
  • Sep 20 10:00 pm
  • 68 deg F
  • 20%
  • 24.69 Hg
  • 26 deg F
  • 24.5
  • SW 8 mph
  • 80.81 %
  • 7115 ft.
  • Sep 20 11:00 pm
  • 65 deg F
  • 20%
  • 24.74 Hg
  • 24 deg F
  • 22.0
  • W 7 mph
  • 81.47 %
  • 6848 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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