PHYSICAL OCEANOGRAPHY OF THE GULP OF MAINE 



647 



ter on December 4, 1913" (also a mild year), than in the coastal belt on that same 

 day in 1923. Temperatures of about 5° to 7° may therefore be expected around 

 the shores of Massachusetts Bay, with about 8° ia its center, by the first week in 

 December in average years, with the water virtually homogeneous from surface to 

 bottom. 



Fig. 76.— Surface temperature ot Massachusetts Bay, December 9 to 11, 1924 



The data for the Fish Hawk stations show that almost no change took place 

 either in the actual temperature of Massachusetts Bay or in its vertical distribution 

 during the first two weeks of December, 1925, the readings being fractionally higher 

 for the second cruise than for the first at some stations, lower at others. The 

 regional distribution remained unaltered, with the] coldest ;Waterj{(5° to 6°) taking 



« station 10048; 8.1° at the surface, 7.8° at 46 meters and 70 meters. 



