8.0- 9.0- 

 8.9 9. 9 

 PERIOD, SEC 



1981 



lO.Q- II. 0- 12.0- 14.0- 17.0- 

 10.9 11.9 13.9 16.9 LONGER 



JfiN-MflR 80-81 

 RPR-JUN 80-81 

 JUL-SEP 80-81 

 OCT-DEC 80-81 



1.0- 3.0- 4.0- 5.0- 6.0- 7.0- 8.0- 9.0- 10.0- U.O- 12.0- 14.0- 17.0- 

 2.9 3.9 4.9 5.9 6.9 7.9 8.9 9.9 10.9 11.9 13.9 16.9 LONGER 

 PERIOD, SEC 



b. 1980 plus 1981 



Figure B37. Seasonal peak spectral wave 

 period distribution for gage 610 



B135 



