1't 

 le 



15-1 



14 



>3H 



12 



II 



10 

 9 

 8 

 7 



8- 

 S- 

 *- 

 3- 

 2l 



O MEAN 



* 



+ 1 STANDARD 

 DEVIATION 



(ft 



(fi) 



fl S 

 TIME 



. 1981 



D J-H B-J J-S 0-0 81 80 



I 



II 

 I 

 I 

 I 



12- 

 II- 

 10- 

 9- 



O MEAN 



+ 1 STANDARD 

 DEVIATION 



Q 



(ft 



<& ^ 



I 



fl S 



TIME 



D J-M R-J J-S 0-0 80-81 



b. 1980 plus 1981 



Figure B25 . Monthly, seasonal, and annual mean and standard 

 deviation of peak spectral wave period for gage 615 



B94 



