121 







Monthly And Annual Mean Surface Water Temperatures, F 



SOMBRERO KEY, FLORIDA 2U°37.5.N. 8l°07.W. 



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

 1925 ----- 82.14 8U.5 86.1 81i.3 82.9 78. U 7U.7 - 



81.2 7h.6 71.7 77.6 



81.5 76.7 72.1 78.5 



81.5 76.5 77.7 77.8 



82.6 77.1 75.7 79.6 

 8l.h 76.9 75.0 79.0 



82.7 77.7 75.1 79.2 



(7) (7) (7) 



82.0 76.8 7li.6 78.14 



