ET Computation - Blaney-Criddle Method

Pick a dateSelect a Period 

  Input Mean Monthly Temperature, k & p    
  C k p ET
Jan mm
Feb mm
Mar mm
Apr mm
May mm
Jun mm
Jul mm
Aug mm
Sep mm
Oct mm
Nov mm
Dec mm
k = Empirically Derived     Seasonal Consumptive-use Coefficient Applicable to a Particular Crop
p = Mean Monthly % of Annual Day Time Hour