RAINY WEATHER DISASTROUS. 



55 



TABLE 4.Arerage, highest, mid lowest rainfall, in inches, at flowering and ripening seasons 

 of the date palm at stations suitable for date culture. 



1 Records compiled by Boggs and Barnes, Bui. 27, Arizona Experiment Station. Table XVI. 



'-Records compiled by Thos. H. Means, Field Operations Divison of Soils, U. S. Department of 

 Agriculture, Second Report, 1900, p. 292. 



3 Reeords compiled by Alexander G. McAdie, Cal. Sec., Climate and Crop Service, Weather Bureau, 

 February, 1901, p. 4. 



'Records of Colombo, published by Marcassin, L' Agriculture dans le Sahara de Constantine, in 

 Annales de I'lnstilut National Agronomiqoe, 1895, p. 17 of reprint. 



5 Records of Cornu tor years ls%-ls<), rend from charts exhibited at Paris Exposition. 1900. 



6 Annual rainfall for 1889 to 1891, from Rolland, Hydrologie du Sahara nlgericn, p. ll.~>, is included 

 11 this table, making seven years in all. 



These records show that the Salt River Valley, the upper Gila Val- 

 ley, Yuma, and even Tucson, Ariz., have less rainfall at the critical 

 periods for the date palm than occurs at Biskra, Algeria, where date 

 culture is the principal industry. Yuma, in the Colorado River 



