40- 



Jan 



Jul 



20- 



J 

 40-i 



20- 



71 



\A 



[AUZ} 



[A 



V\ 



Qq0 









&° 



40 



o" 





o 





a) 



20 



L. 





L. 





"J 





() 





o 



n 



o 





>+- 



40 



o 





>, 





o 





c 



CD 



20 



13 





O" 





c> 









Ll 







Feb 



u 



Mar 



A LA 



Apr 



y 



123 I 



Aug 



\aY\v\ 



VlXAYAY. 





n 



LA [Z2 



Sep 



n 



LA 



n 



71 



71 



Ala' — u^ I Qraa 



Oct 



n 



h 



n 



; i0 



00^E3qQ_ 



40-i 

 20- 







40-j 



20- 



[Z] 



May 



00h_ 



Nov 



n en 



v, 



00Sq0£ 



Jun 



J^Lf^ 



v\ 



71 



& 



Dec [7 



W 



F^^CTrTiR^ 



-i — i ' ■ r ' ■ i " "i ■ ■ f ' ■ i " "i ' ' t ' ' i" "i ' — i 1 



2 3 4 5 6 7 8 9 10 12 14 16 



2 3 4 5 6 7 8 9 10 12 14 16 

 Period, sec 



Period, sec 



Figure B6 . 1989 monthly wave period distributions for Gage 630 



B19 



