¥ a 



LEGEND 



X EXTREME 

 O MEAN 



1] +1 STANDARD DEVIATION 



X 

 X X 



X X 



R S 

 TIME 



a. Height 



N D J-f1 ft-J J-S 0-0 84 80-83 



1't 

 M 

 IS- 

 M- 

 13- 

 U- 

 a II- 



§ 9 



? • 



7 



6- 



5- 



4- 

 3- 



2 



(ft 



e> 



fl S 



Tire 



»• Period 



N J-M fl-J J-S 0-0 84 80-83 



Figure B21. 1984 mean, standard deviation, and extreme H and 

 T for gage 620 o 



B43 



