Table 3 (cont'd) 

 PORTLAND LIGHTSHIP 43°31.6'N. 70°05.5'W. 



March 1959 

 Temperature " F 



Depth of water - 150 feet 



Salinity °/ 



150' 



33.08 



32.73 



32.67 



32.86 



32.76 



Mean 



37.0 36.8 



36, 



37,0 37.3 



32.71 32.82 



