1. NOTES 



AFRICA 



ABBASSIA 

 Authority. 



Director of the Meteorological Office, London. The station was 

 closed at the end of 1922. 



ACCRA, GOLD COAST 

 Authority. 



Manuscript returns filed in the Meteorological Office, London. 

 The station was transferred from the Medical and 

 Sanitary Department to the Department of Agri- 

 culture after the readings on April 13, 1926. 

 Temperature. 



Site: The height above Mean Sea Level of the ground on which 

 the instruments stood was : 



1921, April 13-1926 60 ft. 



1926, April 14-1930 45 ft. 



ALEXANDRIA (KOM EL NADURA), EGYPT 



Authority. 



Physical Department, Ministry of Public Works, Cairo, Egypt. 

 Pressure. 



Instrument: The following barometer was in use: Fuess Porta- 

 ble 1439, index error correction applied — o. 10 mm. 

 Hours: The means of observations at 8' 1 , 14'', and 20'' have been 



corrected to reduce them to true means. 

 Notes: All values have been corrected to normal gravity (Lat. 

 45°) by applying a correction of —0.97 mm. 

 Temperature. 



Hows: The values given are the means of the dry-bulb observa- 

 tions at 8 h , 14 11 , and 20'', and the minimum thermometer 

 readings, calculated according to the following formula : 



i : (8 h +i4 h + 20 h + Min.) 

 and reduced to true means by the following corrections de- 

 rived from six years' thermograph charts: 



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

 *0. +0.5 + 0.G +0.0 +0.0 +0.5 +0.5 +0.4 1-0.3 +0.3 +0.5 +0.5 +0.6 



