55 

 Monthly and Annua] Mean Surface Water Temperatures, °F 

 BLOCK ISLAND, S.E. LIGHT 41°09'N 71°33«W 



Year Jan. Feb. Mar. Apr. May June July Auk. Sept. Oct. Nov. Dec. Ann. 



Readings at first high water and first low water after 7 a.m. 

 Source - USCFF 



