123 



Monthly and annual Mean Surface Water Temperatures, °F 



(25) (27) (26) 

 Mean 71.5 72.1 73.5 



(24) (26) (26) (27) (27) (28) (28) (28) (27) 

 74.7 78.6 81.7 84.2 85.1 84.2 80.9 76.8 73.4 



Loggerhead Key, 60 ft. off beach. 



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

 Source - USGFF 



78.0 



