96 



Monthly and Annual Mean Surface Water Tanperatures, °F 



FORT MACON, N.C. 34°42'N. 76°41'W. 



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



1883 ------- 79.8 75.6 68.8 61.0 53.7 - 



84 46.9 57.3 58.2 72.4 79.6 - - 78.8 72.4 72.4 61.9 - 



1885 49.6 46.6 49.8 61.4 70.5 77.5 82.5 81.9 77.4 68.7 61.0 50.4 64.8 



1886 45.0 46.6 51.2 63.O - - 81.0 80.1 78.5 70.2 69. 1 49-5 - 



(3) (3) (3) (3) (2) (1) (2) (4) (4) (4) (4) (3) 

 Mean 47.2 50.2 53.1 65.6 75.0 77.5 81.8 80.2 76.0 70.0 63.2 51.2 65.7 



Readings at 2 p.m., 75th meridian time. 

 Source - USCFF 



