Air Density Online

Tri-State Raceway in Earlville, 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 Tri-State Raceway.
Track elevation: 1059.7 ft.

General conditions: Possible light rain in the morning.

  • Time
  • Temp
  • Hum
  • Uncorrected Barometer
  • Dew Point
  • Grains
  • Wind
  • Air Density
  • Density Altitude
  • Sep 20 12:00 am
  • 65 deg F
  • 94%
  • 28.93 Hg
  • 63 deg F
  • 89.9
  • SE 0 mph
  • 93.82 %
  • 2169 ft.
  • Sep 20 1:00 am
  • 67 deg F
  • 94%
  • 28.94 Hg
  • 65 deg F
  • 96.4
  • SE 1 mph
  • 93.37 %
  • 2330 ft.
  • Sep 20 2:00 am
  • 65 deg F
  • 95%
  • 28.94 Hg
  • 64 deg F
  • 90.8
  • NE 1 mph
  • 93.84 %
  • 2159 ft.
  • Sep 20 3:00 am
  • 64 deg F
  • 97%
  • 28.94 Hg
  • 63 deg F
  • 89.5
  • NE 1 mph
  • 94.07 %
  • 2080 ft.
  • Sep 20 4:00 am
  • 64 deg F
  • 96%
  • 28.94 Hg
  • 63 deg F
  • 88.6
  • NE 1 mph
  • 94.07 %
  • 2079 ft.
  • Sep 20 5:00 am
  • 64 deg F
  • 95%
  • 28.94 Hg
  • 63 deg F
  • 87.6
  • SE 1 mph
  • 94.10 %
  • 2068 ft.
  • Sep 20 6:00 am
  • 65 deg F
  • 95%
  • 28.94 Hg
  • 64 deg F
  • 90.8
  • NE 1 mph
  • 93.85 %
  • 2158 ft.
  • Sep 20 7:00 am
  • 66 deg F
  • 98%
  • 28.94 Hg
  • 66 deg F
  • 97.1
  • E 3 mph
  • 93.54 %
  • 2268 ft.
  • Sep 20 8:00 am
  • 67 deg F
  • 97%
  • 28.96 Hg
  • 66 deg F
  • 99.5
  • SE 4 mph
  • 93.38 %
  • 2327 ft.
  • Sep 20 9:00 am
  • 69 deg F
  • 100%
  • 28.97 Hg
  • 69 deg F
  • 110.1
  • SE 2 mph
  • 92.82 %
  • 2528 ft.
  • Sep 20 10:00 am
  • 70 deg F
  • 99%
  • 28.97 Hg
  • 70 deg F
  • 112.9
  • SW 4 mph
  • 92.60 %
  • 2607 ft.
  • Sep 20 11:00 am
  • 70 deg F
  • 97%
  • 28.97 Hg
  • 69 deg F
  • 110.5
  • SW 7 mph
  • 92.66 %
  • 2588 ft.
  • Sep 20 12:00 pm
  • 70 deg F
  • 97%
  • 28.98 Hg
  • 69 deg F
  • 110.5
  • SW 6 mph
  • 92.68 %
  • 2580 ft.
  • Sep 20 1:00 pm
  • 75 deg F
  • 75%
  • 28.94 Hg
  • 67 deg F
  • 101.1
  • NW 2 mph
  • 91.88 %
  • 2869 ft.
  • Sep 20 2:00 pm
  • 78 deg F
  • 70%
  • 28.92 Hg
  • 68 deg F
  • 104.4
  • SE 9 mph
  • 91.22 %
  • 3111 ft.
  • Sep 20 3:00 pm
  • 81 deg F
  • 66%
  • 28.91 Hg
  • 69 deg F
  • 108.7
  • E 8 mph
  • 90.62 %
  • 3333 ft.
  • Sep 20 4:00 pm
  • 82 deg F
  • 66%
  • 28.91 Hg
  • 70 deg F
  • 112.4
  • SE 6 mph
  • 90.36 %
  • 3428 ft.
  • Sep 20 5:00 pm
  • 82 deg F
  • 68%
  • 28.91 Hg
  • 70 deg F
  • 115.9
  • SE 7 mph
  • 90.29 %
  • 3454 ft.
  • Sep 20 6:00 pm
  • 81 deg F
  • 72%
  • 28.91 Hg
  • 71 deg F
  • 118.8
  • SE 7 mph
  • 90.41 %
  • 3412 ft.
  • Sep 20 7:00 pm
  • 77 deg F
  • 77%
  • 28.90 Hg
  • 69 deg F
  • 111.3
  • SE 6 mph
  • 91.21 %
  • 3116 ft.
  • Sep 20 8:00 pm
  • 75 deg F
  • 80%
  • 28.90 Hg
  • 69 deg F
  • 108.1
  • SE 6 mph
  • 91.62 %
  • 2967 ft.
  • Sep 20 9:00 pm
  • 74 deg F
  • 81%
  • 28.90 Hg
  • 68 deg F
  • 105.8
  • SE 7 mph
  • 91.83 %
  • 2889 ft.
  • Sep 20 10:00 pm
  • 73 deg F
  • 81%
  • 28.90 Hg
  • 67 deg F
  • 102.2
  • SE 8 mph
  • 92.06 %
  • 2806 ft.
  • Sep 20 11:00 pm
  • 73 deg F
  • 83%
  • 28.88 Hg
  • 68 deg F
  • 104.9
  • SE 9 mph
  • 91.96 %
  • 2841 ft.
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