SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 79 



HELWAN, EGYPT 



Lat. 29° 52' N. Long. 31° 20' E. H„ = 115.6 m., h, 

 TEMPERATURE IN DEGREES C. 

 Means of 24 hours 



2.0 m. 



M'ns 12.9 14.1 17.1 20.9 24.3 26.9 27.9 27.7 25 6 23 5 19.3 14.4 



21.2 



HELWAN, EGYPT 



Lat. 29° 52' N. Long. 31° 20' E. H„ = 115.0 m., h, 

 PRECIPITATION IN MILLIMETERS 

 Totals 



1.0 m. 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. Year 



