26 



Table 3-1 



Annual Statistics of Significant Wave Heights for the Period from January 1993 through 

 May 1996 as Observed by NOAA Buoy 44007 



Upper: Percent Occurrence of Hourly Observations within Specific Wave Height Ranges. 

 Middle: Duration (hours) of Significant Wave Heights above Specific Wave Heights. 

 Lower: Maximum Significant Wave Height. 



Percent of Hourly Observations 



Significant 



Wave 



Height 



(m) 





1993 



1994 



1995 



1996* 





0.0 



0.0 



0.1 



0.0 





0.3 



0.2 



0.2 



0.2 





1.1 



0.4 



0.3 



0.6 





1.8 



0.8 



1.0 



2.4 





6.9 



3.8 



4.7 



6.8 





30.3 



26.2 



32.5 



37.3 





59.5 



68.6 



61.4 



52.7 



Duration (total hours per year) 



Significant 



Wave 



Height 



(m) 





1993 



1994 



1995 



1996* 



>3m 



261 



113 



126 



117 



>4m 



114 



49 



47 



29 



>5m 



24 



16 



24 



7 



>6m 











8 







Maximum 

 Significant 



Wave 

 Height (m) 



1993 



1994 



1995 



1996* 



7.0 



5.6 



7.3 



5.8 



* Data from January through May only. 



Oceanographic Measurements at the Portland Disposal Site during Spring of 1996 



