Welcome to PENMAN

Computation of potential evapotranspiration by the Penman method

© 2004 V. M. Ponce, Version 1.0, May 3, 2004

Click -here-to access online documentation.

Enter [mean monthly] temperature
(degree Celsius):

      
Select month:

      
Enter [mean monthly] net radiation
(cal/cm2/day):

Enter relative humidity
(%):

       
Enter wind velocity at 2-m depth
(km/day):

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