HETGHT {M1 
PER [OD (SECONDS! 
LEGEND 
x EXTREME 
O MEAN x x |x 
l +1 STANDARD DEVIATION 
x 
2 
1 
Ct) 
IPS E, Mi lee 4 J J fil S O N D J-M A-J J-S O-D 80-82 
TIME 
a. Wave heights 
(7 
re LEGEND 
is O MEAN 
by | +1 STANDARD DEVIATION 
13 
12 
il 
10 
9 
8 
e 
8 
5 
4 
3 
2 
JF ON A Se AS OS ND MEAS -SeO-DheOsb2 
TIME 
b. Wave periods 
Figure B19. 1980 through 1982 extreme, mean, and standard 
deviation of wave heights and periods for gage 620 
B52 
