ALTER: RAINFALL AND SUN-SPOT PERIODS. 



75 



SUPPLEMENTARY TABLE No. 2.— Showing total monthly and annual rainfall recorded at 

 Khartoum (Gordon College) and the normal for 1899-1920 in mm. 



NoTE.^" Drops" indicate that rain was too small to measure, 

 observations are incomplete. 



Brackets [ ] are used to denote that the 



SUPPLEMENTARY TABLE No. 3.— Showing total monthly and annual rainfall recorded at 

 Adis Ababa and the normal for 1898-1920 in mm. 



Note. — "Drops" indicate that rain was too small to measure, 

 observations are incomplete. 



Brackets ( ] are used to denote that the 



