Portland Lightship (fig. 3, table 3)--Awarm 

 June and an abrupt depression in surface 

 temperatures in early July represent the 

 only noteworthy departures from the mean at 

 this station. Minimum bottom values appeared 

 in mid-March, the maximum in late October. 



The surface salinity during February, 

 March, late April, and mid-May were the 

 lowest on record. River runoff in the New- 

 England area had been above median during 

 January, February, and April. (U.S. Geological 

 Survey.) 



JAN 



FEB. MAR. APR. MAY JUN. JUL. AUG. SEP. OCT. 



Figure 3.--Portland Lightship. (Dashed line in upper diagram mean for period 1950-59.) 



NOV. 



DEC. 



