40-1 



20- 



0- 

 40- 



20- 



0- 



40- 



Jan 



/ 



v\ 



YM&YMCA 



[ZlC3_ 



Jul 



v\ 



\Z2 



Feb 



nWA 



000 



Aug 



ra 0H0Hz3t .... 



v£\ 



CD 

 O 



c 20- 



<D 



i_ 



L. 

 =3 

 O 



8 °" 



m_ 40- 



o 



>, 



o 



O 2 °- 



=3 



cr 



Q) 



it J 



40-| 



Mar 



H 



Ld 



Sep 



,000 



Ld 



Apr 



20- 



0- 

 40- 



20- 





May 



CZ3 



[Z3 



000 



Oct 



.□0Ba0000[2 



Nov 



0^00^00 



Jun 



-^P 



m 



v\ 



V~k 



v\ 



<\i*W 



i " " i ' ' r ' ' i " " i ' ' t ' ' i " " i ' — i — ii ■ i " " i 



Dec 



FH 



V\ 



■ZZ2- 



V~~\ 



QzM& 



Z^qi 



i i I i i 



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 E6 . 1991 monthly wave period distributions for Gage 645 



E19 



