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http://www.ci.austin.tx.us/library/ahc/outside/images/PICA13995lg.jpg. -3O. -2O. -1O. O. Net precipitation: ppt-evapotranspiration.
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http://www.ci.austin.tx.us/library/ahc/outside/images/PICA13995lg.jpghttp://www.ci.austin.tx.us/library/ahc/outside/images/PICA13995lg.jpg
-3O -2O -1O O Net precipitation: ppt-evapotranspiration