this is the page that explains the nasa can use of the cupid model and then
refers to the cupid home page

<p>
<a href=tisdat/tis_et.html>Estimated Evapotranspiration</a>
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<a href=tis_cran.html>Cranberry Frost Prediction</a>
<p>
<a href=tis_foliar.html>Potato Foliar Disease Prediction</a>
<p>