FREQUENCY HISTOGRAM: PERCENT TIME SUBMERGED PER 

 FOUR HOUR SUMMARY PERIOD 



PTT 827 



30 



25 



20 



z 



O" 



10 







3 

 2 

 1 h 







z 



o 



IB 



CO 



in 



o 



in 



I 



CD 



in 



o 



CD 



I 



CD 



in 



in 



CD 



I 



o 

 I 



CD 

 CD 



in 



I 



o 



CD 



CD 



in 



CO 



I 



o 



I 



CD 

 CD 



in 



I 



o 

 o 



CD 



/ — r 



I I I 1 1 \ i \ 



2316-05:15 GMT (1) X=85 SD = N=L 

 05:16-11:15 GMT (2) X=81 SD = N=l 

 11:16-17:15 GMT (3) X=89 SD=1 N=2 

 17:16-23:15 GMT (4) X=B8 SD = N=I 



/ 



o 



I 



CD 



in 



I 



O lO 



in uT 



I I 



CO ^ 



o 



CD 



CD 



in 



in 



CO 



I 



. — I 



CD 



O 



CD 

 CD 



in 



c^ 



o 



CD 



CD 



in 



CD 



en 



o 



CD 



CO 



in 



CD 



I 



(35 



O 

 O 



I 

 CD 

 03 



PERCENT TIME SUBMERGED 



Figure 71. Frequency histogram of mean percent time submerged for all 6-hour summary 

 periods for PTT #827. See note in Figure 68. 



109 



