92 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 90 



KHARTOUM, ANGLO-EGYPTIAN SUDAN 



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



PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of 4(8" + 14 h + 20 h ) 



700 mm + 



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



1921 

 1922 

 1923 

 1924 

 1925 



1926 

 1927 

 1928 

 1929 

 1930 



26.8 

 25.5 

 24.3 

 25.5 

 27.2 



26.7 

 25.1 

 24.7 

 25.4 

 27.2 



25.8 

 24.8 

 25.7 

 25.3 

 26.1 



25.7 

 25.8 

 25.6 

 23.8 

 25.4 



24.2 

 24.4 

 23.4 

 23.0 

 22.1 



24.9 

 24.0 

 23.1 

 23.4 

 24.5 



21.2 

 22.6 

 23.0 

 22.0 

 21.9 



23.6 

 23.0 

 22.4 

 22.3 

 23.1 



21.9 

 22.8 

 22.4 

 22.9 

 21.9 



22.1 



22.7 

 23.1 

 23.2 

 23.4 



22.2 

 22.2 

 23.2 

 22.8 

 22.0 



22.8 

 22.8 

 22.4 

 23.4 

 23.3 



23.2 

 24.7 

 23.9 

 23.3 

 23.3 



23.0 

 23.9 

 23.6 

 24.9 

 24.2 



24.0 

 24.2 

 24.7 

 23.6 

 23.6 



23.6 

 23.9 

 24.4 

 24.3 

 24.1 



23.8 

 23.8 

 23.7 

 24.0 

 22.8 



23.0 

 23.4 

 23.0 

 23.7 

 23.7 



23.5 

 23.4 

 23.8 

 23.5 

 •23.3 



23.1 

 23.1 

 23.4 

 23.7 

 23.5 



25.2 

 23.9 

 25.0 

 25.5 

 24.4 



25.0 

 24.7 

 24.9 

 24.4 

 25.7 



25.1 

 26.3 

 26.2 

 25.5 

 25.9 



25.6 

 24.8 

 25.3 

 26.6 

 25.5 



23.9 

 24.0 

 24.1 

 23.9 

 23.7 



24.1 

 23.9 

 23.8 

 24.1 

 24.5 



M'ns 25.8 25.4 23.7 22.5 22.6 22.7 23.8 24.0 23.5 23.4 24.9 25.7 24.0 



TEMPERATURE IN DEGREES C. 



Means of i(8 h + 14" + 20" + Min.) corrected to means of 24 hours. 



h t = 1.8 m 



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



TOTAL PRECIPITATION IN MILLIMETERS. h r = 1.2 m 



- 



M'ns 



83 



100 



13 



212 



