WHOLE VOL. NOTES. AFRICA I3 



Hours: The mean adopted througlioiit the period is the direct 



mean of 7'', 14'' and 2i'\ 

 Notes: All values have been corrected to normal f;ravity (I^at. 

 45°) by applying- a correction of —.073 in. 

 Mean Temperature. 



Authorities: As for PressiuT, with the addition of 190 1 August 

 to 1903 April. Manuscript returns comnuuiicatcd 

 by the Scientific and Forestry Department, and 

 filed in the Meteorological Office, London. 

 Site: See note under Pressure. 



Observations: The standard adopted is the luean re[)resented by 

 the fonnula ] [7'^ + 14''+ (2 X 21'')]. 

 Precipitation. 



Authorities: As for Temperature, with the addition of : 



1896 April to 1900 December, llganda Protectorate Meteor- 

 ological returns, 1905. 

 1901 January to 1901 July. Manuscri|)t returns as bef(_)re. 

 Site: See note under Pressure. 



FREETOWN, SIERRA LEONE 



Eat. 8° 29' N. Long. 13° 9' W. 

 Pressure. 



Authorities: 



i^yy March to 1886. Manuscript returns communicated by 

 the Royal Army IMedical Corps and filed in the 

 Meteorological Office, London. 



1887 to 1888. London, Army Medical Dei)artment. Annual 

 abstract of meteorological observations taken at 

 Netley and stations abroad. London, Army Medi- 

 cal Department Reports. 



1889 to 1890. No information was available. 



1 89 1 to 1895 July. See 1887- 1888. 



1895 August to 1920. Manuscript returns communicated l)y 

 the Principal Medical Officer filed in the Meteor- 

 ological Office, London. 



Pressures for the years 1874 October to 1877 February were 

 rejected as unreliable. 

 Site: The barometer was at a height of 224 ft. above Mean Sea 



Level throughout the ]:)eriod. 

 Changes of Instrument: 



1877 March to 1886 l^cember. I'.arometer No. 45 A. M. D. 

 Index error correction +.009 in. applied. 



