U9 



Monthly and Annual Mean Surface Water Temperatures, F 



BRENTON'S REEF 41°25.6«N. 71°22.6'W. 



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



Thrcugh 12 May, 1925 readings made at 1st high water and first low water. 

 From 13 May, 1925, " " " 8 a.m. and 6 pn. 



