Table 3 (cont'd) 

 PORTLAND LIGHTSHIP 43°3l.6'N. 70°05.5'W. 



July 1959 

 Temperature °F 



Mean 



57.5 49.5 46.0 43.6 42.7 



Depth of water - 150 feet 



Salinity °/ 00 



0' 150' 



30.56 



30.50 



31.11 

 31.08 

 30.93 

 31.04 



30.91 



.80 31.98 



.98 



.61 

 30.49 



30.27 



30.84 



31.13 32.01 



31.03 



30.29 



.51 

 30.90 

 31.59 

 31.10 

 30.17 32.12 



.76 



.10 

 30.24 



30.90 



30.75 



15 



