U5 



o 

 Monthly and Annual liean Surface Water Tonperatures, F 



o o 



HEALD BANK LIGHTSHIP 29 08 'N. 9k 10 'W, 



Year Jan. Feb. Mar. Apr. Uay June July Aug. Sept. Oct. N o v. D ec. Ann. 



1930 66.4 67.7 67.2 74.4 78.8 84.2 - - - _ 67.7 60.0 - 



1931 55.4 - 55.9 60.8 71.0 80.5 - - - _ _ _ _ 



34 _________ _ 75.9 61.2 - 



1935 61.4 60.0 63.3 71.6 74.4 ---- ____ 



Readings at 8 a.m. and 6 p.m. 

 Source - USBF 



