Table 3 (cont'd) 

 PORTLAND LIGHTSHIP U3°31.6'N. 70O0$.5'W. Depth of water - 150 feet 



March 1957 



Temperature °? 



Depth 



Salinity °/oo 

 ' 150 ' 



Mean 



37.8 37.6 37.7 37.8 38.3 



11 



