MAY JUNE JULY 



SEPT OCT 



500 

 550 



FIGURE 15. MEAN MONTHLY MIXED LAYER DEPTHS FOR PACFIC WEATHER SHIP NECTAR, 30°N, WO'W 



gulshable below h$Q, feet. Minor variations with latitude are 

 noted. Figures 1$, 16, and 1? give the same type of presenta- 

 tion for three Pacific, v/yatlier ship stations, computed from the 

 BT data on file at the Hydrograpliic Office. In these Pacific 

 data it will be noted that, in the early suminer, more than one 

 value for the mean depth of the thermocline is shown (figure 16), 

 This is the transition period when the old, deep winter thermo- 



JAN FEB MAR APR MAY JUNE JULY AUG SEPT OCT NOV DEC 



500 

 550 



FIGURE IS MEAN MONTHLY MIXED LAYER DEPTHS FOR PACIFIC WEATHER SHIP GOLF, 38°N., I58°W. 



39 



