N 



JAN-MAR 1980 

 „ cO 0.0° 





270.0° P 



«'-5° € I ^\ 



202.5" 180.0° 



cJ 90.0° 



APR-JUN 1980 

 337.5° °-°° 22.5° 



.■^■-v 



0» 



270.0° P 



'^ 



225.0° ^ 





202.5° 160.0° 



w 



JUL-SEP 1980 

 337.5° "•'' J2.5° 



'^^ 





/ 



D^ 



C" 



OCT-DEC 1980 

 337.5° °''' 22.5° 



y7 '^■°° 



2«.5° ^N^ n ^^ 



270.0° '^ 



317 



225.0° ^ 



202.5 180.0^ 



Wind Speed (m/sec) 



5 10 15 20 25 30 35 

 Frequency (percent) 



Figure 12. 1980 seasonal wind roses for the FRF, reference true north 



46 



