EAN TAT EEE A SD GL D LS El Ha i ap La 
PR ET REPORT PE | 
    
   
           
     
     
   
   
      
FIG. 3 RAINFALL RELATIVE VARIABILITY AT SELECTED STATIONS IN THE 
SOKOTO-RIMA BASIN, 1835-1985. 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
i P )940 — 1950 — 1960 — 1970 — 1980 1985 — 1935 1940 1980 — 1960 1970 1980 1905 1950 1960 — 1970 1980 908 
ou s À des PS 60 A La A 
so. Sohoto (1941-1980) 304 Kotsino (1941-1980) so|  Gusau (1953-1980) 
404 40 40 
304 30+ 304 
20-4 | 304 20 
wn sandy Ry 9 10- 104 
t to wind : 04 0- 04 
lay loams ' ^ 2104 -104 -104 
stratified. «294 TB a) 
and ferti- 
: 2304 -30- -304 
'egetation 
1 Re E 404 
| to occa- i *4 = -30- : - -80- S 
nt human =00 rn) reintol_ 390.350 -60 Mean annual rainfall 701.0mm so Lean annual rafal 848mm 
x Data unavailcbie 
  
  
am GD RY OR AI LI SR Rr CET EE ER mn RR