SEASONS IX SOITIIERN ARIZONA 



191 



RAINFALL 



DESERT LABORATORY 



1906 



By months, in inches 



(Total 11.10 in.) 



1.26 



0.60 



0.31 



0.34- 



0.02 



2.07 



0.0 



1.16 



4.4-0 



0.66 



0.28 



0.01 



JAN. 



FEB. MAR. APR. MAY JUNE JULY AUG. SEPT. OCT. NOV. DEC. 



Fig:. 1.— Curve showing seasonal distribution of rainfall at Tucson, Arizona 



in 1906. 



