0.2 r 



0.1 



00 



ATLANTIC NORTH 

 ( Seven Stations ) 



ill 



0.2 

 0.1 

 0.0 



V/. 



^ 



^ 



^ 



— 0.2 I- 



0.0 



0.,-i 



%mm 



ATLANTIC SOUTH 

 ( Three Stations ) 



0.2 



0.1 



o 0.0 



mm 



^ 



0.2 



0.1 h 

 0.0 



mm 



GULF 

 (Two Stotions ) 



.E 0.2 - 



o 



■^ 0.1 - 



o 



I 00 



0.2 

 0.1 

 0.0 



CALIFORNIA 

 Two Stations ) 



a, 0.2 

 ° 0.1 h 

 0.0 



^ 



0.3 p 

 0.2 - 



0.1 



0.0 



PACIFIC NORTHWEST 

 ( Three Stations ) 



June July Aug. 



0.2 p 

 0.1 - 

 0.0 



^ 



June July Aug. 



Figure 4. Absolute and relative diurnal variation in 

 breaker height by geographic grouping. 



