23 



^ 22 



O 



Z 

 ^ 21 



Q 

 bJ 



u 20 



a 



(/) 



Q 19 



z 



18 



17 



o 

 o ^,,— 



___!!:=5v^ - ^yf-- 



o^^^o^ / 



r o 



0000 0400 0800 1200 



LOCAL TIME 



1600 



2000 



2400 



FIGURE 2 

 DIURNAL CYCLE OF WIND SPEED 



