6n 











LEGEND 

 X EXTREME 

 O MEAN 













X 



5- 



























X 



X 





n +1 STANDARD DEVIATION 



X 







X 







X 





















4- 











X 







X 









t: 











X 









X 













X 





X 





X 











3- 









X 



X X 



X 



n n 















1- 



1) 





) 

 1) 



A 



a:*'^^ 



i 

 i 



i 



1 



* 



l> 



0- 













L 













J F" n fl M J J n s N J-M n-j J-S O-D 83 80-e2 

 Tire 



a. Wave height 



13 



13- 



O II- 



<n 



10- 

 Q 



2 9 

 or 

 a. 8 



7- 



LEGEND 

 O MEAN 



fl +1 STANDARD DEVIATION 



fi) ^ 



(2) ® 



* d) (i) 



J F- n fl M J J R S N J-M f)-J J-S O-D 83 80-82 



TIME 



b. Wave period 

 Figure 12. 1983 wave statistics for gage 620 



40 



