HEIGHT (M) 
PERIOD {SECONDS} 
LEGEND 
x EXTREME 
O MEAN 
[] +1 STANDARD DEVIATION x 
J F M A M J J A S DBD N OD J-M A-J J-S G-D 82 80-8) 
TIME 
a. Wave heights 
LEGEND 
O MEAN 
| +1 STANDARD DEVIATION 
JorpowWw f FJ J fF S © MW W Jil Ge JS OF EB ECE 
TIME 
b. Wave periods 
Figure B15. 1982 extreme, mean, and standard deviation 
of wave heights and periods for gage 620 
BH6 
