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Calibration (CDSS Task Memo 59.1) <br />1.Before calibrating, consider: <br /> <br />a.Reconstructing climate data needed for ASCE Stnd. Ref. ET <br />Equation <br /> <br />b.Hargreaves Equation <br /> <br />2.When calibrating, consider: <br /> <br />a.CDSS Task Memo 81.2 cautions about potential temp. bias: local <br />climate data for calibration and NOAA source for analysis <br /> <br />b.What ASCE coefficient will be used? ETrs or ETos? <br /> <br />3.After calibrating, consider: <br /> <br />a.Checking or verifying results <br />