ON THE CLIMATOLOGY OF AFRICA. 



391 



Tahaungu. Lot. 3° 41' 6'., 

 Long. 39° 52' E. Oh- 

 servers: C. F. Braganza 

 and G. H. L. Murray. 



Xisimayu. Lat. 0° 22' S.,Lo7ig.i^° 33'^. 

 Observers : Ji. G. Farrant, Wallace 

 Blake, and B. W. Humplirey. 



E,ain 



Month 



190U 

 January . 

 February 

 March 

 April 

 May 

 June 

 July 

 August 

 September 

 October . 

 November 

 December 



1900 

 1899 

 189S 

 1897 

 189G 

 1895 



Meau, 1890-1900 43-49 



a 



In. 



0-74 

 1-83 

 5-23 

 3-05 

 2ti-15 

 2-05 

 3-79 

 1-12 

 2-30 

 C-40 

 3-72 

 1-11 



a< — ^ 



'>~ 2 



I 



No. 



2 

 5 

 4 



7 

 22 



9 

 22 

 13 

 14 

 13 

 10 



In. 

 0-47 

 0-43 

 4-16 

 2-45 

 5-43 

 0-68 

 0-48 

 0-27 

 0-60 

 2-72 

 0-79 

 0-40 



Months 



5S-09 124 

 33-15 116 

 24-00 ' 71 

 54-40 ,104 

 47-80 79 

 35-71 68 



5-43 



2-08 

 1-75 

 5-13 

 3-27 

 3-30 



1900 

 January 

 February 

 March 

 April 

 May 

 June 

 July 

 August 

 September 

 October 

 November, 

 December 



Year 1900 

 „ 1899 

 ., 1898 



g 0) » 



9 A.M. 



In. 



29-920 

 •876 

 •992 



30-338 

 -135 



29-957 

 -914 

 •959 

 •997 

 -936 

 •810 

 •808 



29-972 



•925 



29-885 



3 ^ 



9 A.M. 



83-3 

 83-5 

 84-9 

 85-6 

 84-1 

 80-1 

 79-0 

 79-4 

 80-0 

 80-1 

 82-7 

 Jll;8_ 

 ^^82-0 

 81-1 

 80-8 



Rain 



In. 



0-48 



•03 



3-G7 



3-17 



1-81 



0-10 



•04 



•00 



1-75 



1-82 



12^87 

 12-40 

 10-91 



1 <1'.2 ! 



No. 



In. 



0-48 

 -03 



1-83 

 1-50 

 0-61 

 0-08 

 •04 



1-10 

 0-92 



1-83 

 4-12 

 3-44 



99 3-51 



— The readings have been corrected for instru- 



ment.il error. , i, i j 



The barometrical readings have been reduced 



to standard temperature of 32^ and standard 



gravity in lat. 45°, but not to sea -level. 



NairoU. Lat. 1°2'&,36° 57' 

 E., 5,450 ft. Ohserrers : 

 W. D. Sjricrs, F. Gilld- 

 son, Louis S... [illegible]. 



Month 



Rain 



-^ 

 ^InT 

 4-62 

 2-30 

 2-34 



0-00 

 0-17 

 0-47 

 G-48 

 5'2G 



TO IN 



2<o. 



5 

 10 



4 







1 



8 



15 



13 



In. 

 3-46 



0-75 

 1-5C 



0-17 

 •18 

 •73 



1^79 



Mallndi. Lat. 3° 13' S., Long. 40° 7' E. 

 Observer: James Weaver. 



Kitul. Lat. 



1° 50' S., Long. 38°i4'. 

 •er : S. L. Hinde. 



Ob- 



Temperature 



Rain 



Month 



Mean 

 Ma.x. 



Month 



1900 

 January . 

 February 

 March 

 April 

 May. 

 June 

 July 

 August 

 September 

 October 

 November 

 December 



Year 1900 

 „ 1899 

 „ 1898 

 „ 1897 

 „ 1896 



Mean Temp. 

 9 A.M. 



Humidity, 9 A.M. 



Rain 



Dry i Wet 



I Dew 

 Point 



C to 





84-4 

 85-2 

 85-5 

 84-7 

 82-4 

 79-7 

 78-4 

 79-3 

 79-7 

 80-9 

 80-3 

 81-5 



78-3 

 80-6 

 80-3 

 80-3 

 79-2 

 76-5 

 74-4 

 74^7 

 75-2 

 75-9 

 77-4 

 77-7 



76-1 

 79-1 

 78-6 

 7S-8 

 78-1 

 75-4 

 72-8 

 72-9 

 73-9 

 74-0 

 76-3 

 76-4 



81-8 

 81-4 

 81-7 



81-1 



Mean 189G-1900 81-5 



77-5 

 75-9 

 77-1 



76-0 

 73-8 

 75-4 



78-0 76-9 



7-1 75-5 



In. 

 ■899 

 -992 

 •975 

 •987 

 -960 

 •876 

 •805 

 •808 

 •834 

 •838 

 •906 

 •907 



•898 

 •833 



■929 



P.e. 



82 

 86 

 84 

 86 

 90 

 90 

 87 



85 

 91 



a 



In. 



0-87 



-33 



•56 



1-96 



17-08 



1-84 



2-77 



1-72 



1^48 



2-30 



3^68 



2^47 



87 37-05 



78 13338 



81 14-44 



— 158-00' 



87 '53-60 



No. 

 6 

 2 

 4 

 G 

 14 

 4 

 6 

 5 

 5 

 7 

 8 

 7 



74 

 102 

 53 

 91 

 89 



« .-H 



'go 



In. 



0-35 



-18 



•30 



•51 



5^25 



0^73 



•66 



•38 



•67 



•60 



1^32 



P43 



5-25 

 5-30 

 1-65 

 4-85 

 4-36 



1900 

 July . 

 September 

 October . 

 November. 

 December. 



71-3 

 76-7 



74-6 

 80-5 

 75-6 



Mean 



Miu. 



571 

 60-0 

 62-3 

 62-0 

 63-3 



c3 



w 



In. 

 0-12 

 0-18 

 4-40 

 2-80 

 3-20 



Furt Hviith, Aikuyu. Lat. 1° 14' N., 

 Long. 36° 44' E. Alt. &,i.m feet. Ob- 

 server : Francis G. Hall. 



Month 



Mean 

 Temp. 

 9 A.M. 



Wet Dry 



Humidity 

 9 A.M. 



Rain 



83 39-29 



4-28 



' Partly estimated. 



1899 

 Jaimary . 

 February . 

 March 

 April 

 May. . 

 June. 

 July . 

 August 

 September 



59-9 65-5 

 '61-0 68-0 

 60-1 66-5 

 '62-0 65-0 

 GO-0 62-8 

 55-3 57-6 

 54-0 58-6 

 540 57-3 

 56-8 60-4 

 I 



> p. rt-o 



63-2 

 65-4 

 63-8 

 63-8 

 61-8 

 56-5 

 56-2 

 55-9 

 54-8 



3 b 



p. eft 



In. 



■57S 

 ■624 

 ■590 

 ■590 

 ■551 

 ■457 

 ■452 

 ■466 

 ■429 





P.c. 



92 

 92 

 91 

 96 

 97 

 96 

 92 

 98 



In. 



0-29 



0-81 



2-54 



5-11 



4-79 



-07 



1-09 



-67 



-01 



f— : 



c 



In. 



•29 



•60 



1-94 



2-41 



1-44 



•05 



•23 



•17 



•01 



During a thunder and hail storm at 3.20 P.M. on 

 May 18 the thermometer dropped 13 degrees in half 

 an hour. 



