292.5 

 W 270.0 IP^ 



M/. 



^'""^ 



^^1^^ 





202.5 180.0 



1980 PLUS 1981 



RESULTANT 



SPEED I.Om/s 

 DIRECTION 325 DEG 





^h 



IF=' 



cdl 



4f 



225.0 // 



202.5 180.0. 



S 



1981 

 RESULTANT 



SPEED 0.9m/s 

 DIRECTION 327 DEG 



SPEED, m/s 



5 10 15 20 25 30 35 40 



FREQUENCY,* 



Figure 6. 1981 plus 1980 and 1981 annual 



wind roses for FRF, reference true north 



(data measured every 6 hr) 



30 



