Table B17 

 1980 Through 1984 Mean, Standard Deviation, and Extreme H 



and T 











for 



Gage 620 











Mon 



ith 



Standard 

 Mean Deviation 

 Height, m Height, m 



1.2 0.7 



Mean 



Period 



sec 



8.1 



Standard 



Deviation 



Period 



sec 



Extreme 

 Height, m 



4.5 



Date 

 28 



Ni 

 Obsei 



jmber 

 rvations 



Jan 



2.7 



519 



Feb 





1.3 



0.7 



8.0 



2.6 



4.3 



14 





460 



Mar 





1.2 



0.6 



8.9 



2.8 



4.7 



25 





521 



Apr 





0.9 



0.4 



8.5 



2.7 



2.9 



24 





504 



May 





0.8 



0.4 



7.8 



2.2 



2.6 



4 





526 



Jun 





0.7 



0.3 



7.8 



2.1 



2.1 



9 





478 



Jul 





0.6 



0.2 



8.2 



2.7 



1.6 



28 





493 



Aug 





0.7 



0.4 



8.0 



2.1 



3.6 



20 





471 



Sep 





1.0 



0.5 



8.5 



2.7 



3.9 



29 





506 



Oct 





1.2 



0.7 



9.1 



2.9 



4.3 



24 





594 



Nov 





1.0 



0.6 



8.1 



3.0 



4.1 



13 





421 



Dec 





1.1 



0.7 



8.2 



2.8 



5.6 



28 





530 



Jan- 



■Mar 



1.2 



0.6 



8.7 



2.8 



4.7 



Mar 



1 



,500 



Apr- 



■Jun 



0.8 



0.4 



8.0 



2.3 



2.9 



Apr 



1 



,508 



Jul- 



•Sep 



0.7 



0.5 



8.2 



2.5 



3.9 



Sep 



1 



,470 



Oct- 



•Dec 



1.1 



0.7 



8.5 



2.9 



5.6 



Dec 



1 



,545 



Annual 



1.0 



0.6 



8.4 



2.7 



5.6 



Dec 



6,023 



B55 



