Table B17 

 1980 Through 1983 Mean, Standard Deviation, and 



Extreme 



Hjjj and T for Gage 620 



I 



\ 













Standard 















Standard 



Mean 



Deviation 













Mean 



Deviation 



Period 



Period 



Extreme 





Number 



Mor 



ith 



Height, m Height, m 

 1.2 0.7 



sec 

 8.0 



sec 



Height, m 

 4.5 



Date 

 28 



Observations 



Jan 



2.8 



400 



Feb 





1.4 



0.7 



9.1 



2.7 



4.3 



14 



374 



Mar 





1.2 



0.7 



9.0 



2.8 



4.7 



25 



415 



Apr 





0.9 



0.5 



8.1 



2.8 



2.9 



24 



387 



May 





0.8 



0.4 



7.9 



2.2 



2.6 



4 



417 



Jun 





0.7 



0.3 



7.7 



2.1 



2.1 



9 



361 



Jul 





0.6 



0.3 



8.0 



2.4 



1.6 



28 



374 



Aug 





0.7 



0.5 



8.1 



2.2 



3.6 



20 



357 



Sep 





0.9 



0.6 



8.7 



2.7 



3.9 



29 



390 



Oct 





1.2 



0.7 



8.9 



2.9 



4.3 



24 



471 



Nov 





1.0 



0.7 



8.1 



3.0 



4.1 



13 



369 



Dec 





1.2 



0.7 



8.2 



2.9 



5.6 



28 



446 



Jan- 



Mar 



1.2 



0.7 



8.7 



2.8 



4.7 



Mar 



1,189 



Apr- 



Jun 



0.8 



0.4 



7.9 



2.4 



2.9 



Apr 



1,165 



Jul- 



Sep 



0.8 



0.5 



8.3 



2.5 



3.9 



Sep 



1,121 



Oct- 



Dec 



1.1 



0.7 



8.4 



2.9 



5.6 



Dec 



1,286 



Annual 



1.0 



0.6 



8.3 



2.7 



5.6 



Dec 



4,761 



B55 



