Line 1:
Line 1:
==Calculation==
==Calculation==
===Thornthwaite Mather method <ref>Thornthwaite, C. W., and Mather, J. R., Instructions and Tables for Computing Potential Evapotranspiration and the Water Balance, Drexel Institute of Technology, Laboratory of Climatology, 1957.[[File:Thornthwaite1957.pdf]]</ref>===
===Thornthwaite Mather method <ref>Thornthwaite, C. W., and Mather, J. R., Instructions and Tables for Computing Potential Evapotranspiration and the Water Balance, Drexel Institute of Technology, Laboratory of Climatology, 1957.{{#l:Thornthwaite1957.pdf}}</ref>===
Step 1. Calculate the monthly heat index (i):
Step 1. Calculate the monthly heat index (i):