Table 3 (Cont'd) 



PORTLAND LIGHTSHIP 43°31.6'N. 70°05.5'W. Depth of water - I50 feet 



April 1958 

 Temperature °F Salinity °/oo 



Depth 

 Day 



1 

 2 



3 

 4 



5 

 6 



7 

 8 



9 

 10 

 11 

 12 



13 

 14 



15 

 16 



17 

 18 



19 

 20 

 21 

 22 



23 



24 



25 

 26 



27 

 28 



29 



30 



0' 



30' 



50' 



100' 



38.8 38.5 38.5 38.3 



150 ' 



0' 



31.86 

 32.00 

 32.00 

 31.94 

 31.99 

 30.99 

 31.50 

 31.50 

 30.83 

 .71 

 30.92 



31.32 

 29.25 

 29.05 



30.32 



.16 

 .43 



.64 



.68 



.77 



30.34 



29.88 



30.50 



30.49 



26.08 



.19 



.55 



26.60 



27.03 



26.75 



150 ' 



31.90 



32.01 



31.25 



Mean 



43.5 41.8 40.5 



40.2 



29.98 



10 



