Hi Everyone,

I had some difficulty finding good data sources, so I am posting the ones I have found.  I hope this helps.  I also found a free Excel Add-in for calculating ARIMA and Autocorrelation in the last site below.

Time Series Data Library

http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/

University of Dayton - Daily Temperature Archive

http://www.engr.udayton.edu/weather/

Excel Add-in

http://www.web-reg.de/arma_addin.html#

Thanks,

Chris Johnson

Here's another site with a wealth of information:

SODA-POP (Pennsylvania State University)
http://sodapop.pop.psu.edu/data-collections