16 



CIRCULAR NO. 126, BUREAU OF PLANT INDUSTRY. 



cooperates in the work with figs and dates; the Office of Foreign 

 Seed and Plant Introduction in the work with bamboo, carobs, etc.; 

 the Office of Acclimatization and Adaptation of Crop Plants and 

 Cotton-Breeding Investigations in cotton acclimatization; the Office 

 of Alkali and Drought Resistant Plant Investigations in breeding 

 Egyptian cotton; the Office of Corn Investigations hi testing corn 

 varieties; the Office of Cooperative Cotton Handlmg and Marketing 

 and Paper-Plant Investigations in the work with ramie; the Office of 

 Fiber Investigations in the experiments with hemp; and the Bio- 

 physical Laboratory in the climatological observations. 



CONDITIONS ON THE PROJECT. 



CLIMATIC CONDITIONS. 



In Table I the clunatological observations made at the experiment 

 fai-m in 1912 are briefly summarized, together with a statement of 

 the average weather conditions during the three years 1910 to 1912, 

 inclusive. 



Table I.— Summary of the climatological observations at the Yuma Expenment 



Farm, 1910 to 1912, inclusive. 



Precipit.\.tion (Inches). 



Dah^y Wind Velocity (Miles per Hoxjr). 



1910, highest 



1911, highest 



1912, highest 



1910, lowest 



1911, lowest 



1912, lowest 



1910, average 



1911, average 



1912, average 



7.4 

 5.4 



.8 

 1.5 



3.0 

 3.2 



8.5 

 7.4 



1.1 



3.5 

 4.0 



5.4 

 9.3 



1.3 



1.4 



2.7 

 3.9 



9.2 



8.4 



1.5 



1.7 



3.8 

 3.8 



9.0 

 8.1 

 6.9 

 2.3 

 1.9 

 1.5 

 4.1 

 3.3 

 3.3 



6.3 

 4.4 

 1.1 

 1.4 

 1.0 

 3.8 

 2.9 

 2.6 



7.4 

 6.0 

 5.1 

 1.5 

 1.3 

 1.5 

 3.6 

 2.5 

 2.3 



7.2 



3.2 



5.9 



2.0 







1.2 



3.4 



2.0 



2.3 



4.6 

 4.1 

 4.7 

 1.2 

 1.1 

 .3 

 2.4 

 1.7 

 2.1 



9.2 

 6.7 

 7.9 



1.2 

 3.7 

 2.5 

 3.0 



6.3 

 10.1 

 11.4 

 1.7 

 1.0 

 1.3 

 3.3 

 3.7 

 2.9 



6.4 

 9.9 

 10.8 

 1.8 

 1.3 

 .8 

 3.5 

 3.5 

 4.0 



Temperature (°F.). 



[Cir. 126] 



