Table 3 

 PORTLAND LIGHTSHIP 43''3l.6'N. 70°05.5'W. Depth of water - 150 feet 

 January 1959 

 Temperature °F Salinity °/„„ 



150' 



32.92 



32.80 



32.82 



Mean 39.7 39.7 39.8 40.3 40.7 32.98 



