Figure 17. Monthly tide and water level statistics 

 relative to NGVD 





1.50-1 



-v 





1.25- 



— -^~. 





1.00- 







0.75- 





F 



0.50- 



x 





0.25- 





> 







(D 



_l 



0.00- 





"5 



-0.25- 

 -0.50- 

 -0.75- 

 -1.00- 

 -1.25- 

 -1.50- 





1987 



-87 



1 1 1 1 i i 



0.01 0.10 1.00 10.00 25.00 50.00 75.00 90.00 



Percent Greater Than 



99.00 99.90 99.99 



Figure 18. Distributions of hourly tide heights and 

 high and low water levels 



43 



