Current weather information* for
Tri-State Raceway in Earlville, Iowa
temperature = 88.0 deg f
relative humidity = 66 %
uncorrected barometer* = 28.70 Hg
corrected barometer* = 29.82 Hg
density altitude = 4224.71 ft
View forecasted data
dew point = 75.2 deg f
saturation pressure = 1.336 Hg
vapor pressure = 0.882 Hg
grains = 138.0
air density (w/o water vapor) = 91
air density (w water vapor) = 88
Weather Data Last Updated on Sep 4 2014, 5:55 pm CDT
Information about Tri-State Raceway
visit website: link
track zip code: 52041
track elevation: 1059.7 ft
track latitude: 42.467993
track longitude: -91.285712
This site has good info. Lots of tracks on it
http://airdensityonline.com/