HE [GHT (M) 
PERIOD (SECONDS) 
vweuwaeet fF A YN @ WD 
LEGEND 
x EXTREME 
O MEAN 
l +1 STANDARD DEVIATION 
x 
x x 
x 
x <a x 
booyy 
a A Sh Seo SNE De eS AS Ne >SsO- 0180582 
TIME 
a. Wave heights 
LEGEND 
O MEAN 
l +1 STANDARD DEVIATION 
J F MH A HH JS JS A S QO N OD J-M A-J J-S 0-D 80-82 
TIME 
b. Wave periods 
Figure B27. 1980 through 1982 extreme, mean, and standard 
deviation of wave heights and periods for gage 615 
B78 
