78 



o 

 Monthly and Annual Mean Surface Water Temperatures, F 



o o 



CHESAPEAKE LIGHTSHIP 39 59'7"N. 75 U2'W. 



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



Readings at 0130, 0730, 1330 and 1930, EST 

 Source - NWRC 



