478 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



ATHENES (ATHENS), GREECE 



Lat. 37° 58' N. Long. 23° 43' E. H b = 107 m 



Means of 24 hours 



700 mm + 



HELWAN, EGYPT 



Lat. 29° 52' N. Long. 31° 20' E. H b = 115.6 m 



Means of 24 hours 



700 mm + 



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



M'ns 64.0 63.0 61.7 59.9 58.7 57.8 55.9 56.4 58.9 61.2 62.3 63.5 



KHARTOUM, ANGLO-EGYPTIAN SUDAN 



Lat. 15° 37' N. Long. 32° 33' E. H„ = 390 m 



Means of i(8" + 14 h + 20") 

 700 mm + 



M'ns 58.8 58.3 56.1 54.4 54.2 54.2 55.8 55.1 55 3 55.2 57.3 



