chicagoland_2011_sdt_night

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Track Information

  • Track: CHICAGOLAND SPEEDWAY
  • Type: 1.5-mile Tri-Oval
  • City:
  • State: IL
  • Tire Heat: 0.89 ; > modifies amount of heat going into the tire at a given track
  • Tire Wear: 1.47
  • Tire Wear Loss: 0.28 ; percentage of grip lost at full tire wear
  • Tire Wear Expectancy: 0.92 ; > 1.0 gives a bigger fall off later in run < 1.0 gives a bigger fall off early in run
  • Track Temp: 65.0 ; track average temperature on April 1 in deg F
  • Track Temp Range: 6.0 ; one standard deviation from average in deg F
  • Wind Direction: 90 ; compass heading in degrees from which wind is most likely (in this case from Northwest)
  • Cloud Cover Probability: 0.81 ; probability of cloud cover, 0.0 to 1.0
  • Track Temp Swing: 6.0 ;
  • Wind Speed: 10.4 ; average wind speed at the track in MPH
  • Wind Speed Range: 3.5 ; one standard deviation from average in MPH
  • Pace Speed: 60
  • Pit Speed: 45.0