IDEM: Dispersion: Meteorological Data

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IDEM > Monitoring > Air Monitoring > Air Dispersion Modeling > Dispersion: Meteorological Data Dispersion: Meteorological Data

For any modeling the five most recently available years should be used. The Office of Air Quality has 1990 to 1994 data for the following National Weather Service Sites: Covington, Evansville, Fort Wayne, Indianapolis, Louisville and South Bend. This data is combined with the upper air stations of Dayton and Peoria.