﻿10 
  

  

  JAS. 
  J. 
  SIMPSON 
  — 
  ENTOMOLOGICAL 
  

  

  Tables 
  A 
  and 
  B 
  have 
  been 
  prepared 
  as 
  a 
  basis 
  for 
  a 
  study 
  of 
  the 
  temperatures 
  in 
  

   the 
  Gold 
  Coast. 
  These 
  have 
  been 
  tabulated 
  for 
  twelve 
  widely 
  separated 
  stations 
  ; 
  

   in 
  Table 
  A 
  the 
  monthly 
  records 
  are 
  given 
  ; 
  while 
  in 
  table 
  B 
  the 
  annual 
  means 
  for 
  

   seven 
  years 
  have 
  been 
  brought 
  together. 
  From 
  these 
  it 
  will 
  be 
  seen 
  that 
  the 
  

   monthly 
  temperatures 
  are 
  more 
  equable 
  along 
  the 
  coast 
  than 
  in 
  the 
  hinterland 
  ; 
  in 
  

   the 
  southern 
  parts 
  there 
  is 
  not 
  a 
  very 
  marked 
  difference 
  between 
  the 
  monthly 
  

   means 
  throughout 
  the 
  year 
  ; 
  but 
  in 
  the 
  north 
  the 
  wet 
  and 
  dry 
  seasons 
  are 
  well 
  

   denned 
  in 
  temperature 
  as 
  in 
  rainfall. 
  The 
  highest 
  monthly 
  maximum 
  attained 
  in 
  

   the 
  Northern 
  Territories 
  is 
  much 
  greater 
  than 
  further 
  south, 
  and 
  the 
  lowest 
  monthly 
  

   minimum 
  is 
  also 
  much 
  less. 
  The 
  mean 
  annual 
  maximum 
  temperature 
  also 
  increases 
  

   gradually 
  northwards. 
  The 
  range 
  of 
  the 
  monthly 
  means 
  near 
  the 
  coast 
  and 
  in 
  the 
  

   forest 
  region 
  in 
  Southern 
  Ashanti 
  is 
  small, 
  but 
  increases 
  rapidly 
  in 
  the 
  Savannah 
  

   region 
  in 
  the 
  Northern 
  Territories 
  : 
  e.g., 
  in 
  Accra 
  the 
  monthly 
  means 
  vary 
  only 
  about 
  

   5° 
  throughout 
  the 
  year, 
  while 
  in 
  Tamale 
  the 
  range 
  amounts 
  to 
  over 
  12°. 
  In 
  the 
  

   former 
  place 
  the 
  greatest 
  average 
  range 
  for 
  one 
  month 
  is 
  25°, 
  while 
  in 
  the 
  latter 
  it 
  is 
  

   41° 
  ; 
  in 
  the 
  former 
  the 
  lowest 
  average 
  range 
  is 
  16°, 
  while 
  in 
  the 
  latter 
  it 
  is 
  29°. 
  

   The 
  maximum 
  range 
  of 
  temperature 
  is 
  experienced 
  in 
  November, 
  December 
  and 
  

   January, 
  and 
  the 
  minimum 
  in 
  August 
  and 
  September. 
  

  

  Table 
  C 
  shows 
  the 
  mean 
  annual 
  range 
  of 
  temperature 
  for 
  four 
  stations 
  from 
  

   1908-1911. 
  

  

  Table 
  C. 
  

   Mean 
  Annual 
  Range 
  of 
  Temperature. 
  

  

  

  1908 
  

  

  1909 
  

  

  1910 
  

  

  1911 
  

  

  Mean. 
  

  

  Tamale 
  

  

  24-06 
  

  

  31-69 
  

  

  35-80 
  

  

  35-03 
  

  

  31-64 
  

  

  Coomassie 
  

  

  17-86 
  

  

  18-57 
  

  

  20-57 
  

  

  13-92 
  

  

  17-73 
  

  

  Aburi 
  

  

  18-33 
  

  

  16-39 
  

  

  16-29 
  

  

  16-42 
  

  

  16-85 
  

  

  Cape 
  Coast 
  

  

  13-56 
  

  

  13-77 
  

  

  14-33 
  

  

  12-32 
  

  

  13-49 
  

  

  Tables 
  D 
  and 
  E 
  have 
  been 
  prepared 
  for 
  the 
  same 
  twelve 
  stations 
  as 
  in 
  A 
  and 
  B 
  

   to 
  compare 
  the 
  rainfall 
  and 
  humidity. 
  

  

  