CHAPTER 3 



1949 



1955 1960 1965 1970 1975 



■a 



0) 

 0) 



a 

 V) 



•a 



c 



u 



c 



10 

 9 



8 

 7 

 6 

 5 

 4 

 3 



2 

 1 







/ ^ \ o 



12 

 11 

 10 



9 



Q < 



O 0) 



<D 



6 I 



5 ~K> 



4 



3 



1949 



1955 1960 1965 1970 1975 



10 

 9 

 8 

 7 

 6 

 5 

 4 

 3 

 2 



April 



1949 



1955 



1960 1965 



Years 



1970 



1975 



12 



11 



10 



9 



8 



7 

 6 

 5 

 4 

 - 3 



FIGURE 3-10. — Time profile of monthly average wind speed in m/s (solid line) and scalar wind variance 

 in (m/s)- (dashed line) at John F. Kennedy International Airport, computed from 3-hourly obser- 

 vations, 1949-76. Solid and open circles indicate means values for solid and dashed lines, respec- 

 tively. 



69 



