TABIE OF CONTENTS (continued) 



TABLES 



Nimber 



1 Mean Monthly Evaporation From Standard 



U. S. Weather Bureau Evaporation Pans 12 



2 Mean Monthly Evaporation Difference Between 



Livingston Spherical Black and White Atmometers. . 12 



3 Monthly Evaporation From Standard U, S. Weather 



Bureau Evaporation Pans in Order of Decreasing 



Magnitude For Irrigated Pasture and Dryland 



Stations 16 



k Monthly Evaporation Difference Between Livingston 

 Spherical Black and VJhite Atmometers in Order of 

 Decreasing Magnitude For Irrigated Pasture and 

 Dryland Stations 19 



5 Summary of Measurements of Evapotranspiration and 



Related Data U2 



6 Pan and Atmometer Coefficients for Pasture and Grass 59 



7 Pan and Atmometer Coefficients for Alfalfa 6U 



8 Pan and Atmometer Coefficients for Cotton 68 



9 Comparison of Seasonal Consumptive Use of Alfalfa, 



Pasture, and Cotton Based on Bulletin No. 2 



Growing Season 69 



FIGURES 



Page 



Atmometer Assembly ., 10 



Typical Agroclimatic Stations 11 



Platforms Used to Minimize Crop Damage and Soil 



Compaction 32 



h Access Tube Design 33 



5 Evapotranspirometer Designs « Ul 



Number 

 1 

 2 

 3 



