Table B12 

 1984 Mean, Standard Deviation, and Extreme H 



and T for Gage 620 

 P 































Standard 















Standard 



Mean 



Deviation 













Mean 



Deviation 



Period 



Period 



Extreme 





Number 



Mor 



ith 



Height, m Height, m 

 1.2 0.6 



sec 

 8.6 



sec 



Height, m 

 3.0 



Date 

 12 



Observations 



Jan 



2.3 



119 



Feb 





1.0 



0.5 



8.2 



2.3 



3.2 



15 



86 



Mar 





1.1 



0.4 



8.8 



2.6 



2.2 



13 



106 



Apr 





0.9 



0.4 



9.6 



2.0 



1.9 



5 



117 



May 





0.7 



0.3 



7.4 



2.2 



2.1 



31 



109 



Jun 





0.6 



0.2 



8.0 



1.8 



1.1 



24 



117 



Jul 





0.6 



0.2 



8.6 



3.3 



1.3 



8 



119 



Aug 





0.5 



0.2 



7.8 



1.9 



1.1 



26 



114 



Sep 





1.1 



0.5 



7.9 



2.4 



2.9 



30 



116 



Oct 





1.2 



0.7 



9.9 



2.8 



3.7 



13 



123 



Nov 





1.3 



0.3 



8.6 



3.1 



2.4 



3 



52 



Dec 





0.9 



0.4 



8.4 



2.5 



2.4 



6 



84 



Jan- 



•Mar 



1.1 



0.5 



8.5 



2.4 



3.2 



Feb 



311 



Apr- 



•Jun 



0.7 



0.3 



8.3 



2.2 



2.1 



May 



343 



Jul- 



•Sep 



0.7 



0.4 



8.1 



2.6 



2.9 



Sep 



349 



Oct- 



•Dec 



1.1 



0.6 



9.2 



2.9 



3.7 



Oct 



259 



Annual 



0.9 



0.5 



2.6 



3.7 



Oct 



1,262 



B42 



