126 



Monthly and Annual Mean Surface Water Temperatures, °F 



EaONT KEY 27°36'N. 82°46'W. 



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



1925 - - - _ - _ _ 83.4 - 79.1 68.6 61.4 - 



1926 59.0 62.4 63.5 70.6 74.5 81.5 84.8 - - - 66.5 65.9 (72.9) 



28 56.3 61.1 67.2 72.4 76.0 83.8 86.0 84.1 82.9 80.4 68.5 62.5 73.4 



29 63.0 65.8 71.0 76.2 81.3 83.0 83.8 86.1 83.3 77.3 - 62.0 (75.1) 



1930 61.5 63.0 65.1 70.7 79.8 80.0 86.1 86.3 83.6 75.5 68.0 59.6 73.3 



1931 56.4 59.3 60.4 68.2 77.0 81.8 85.8 86.3 83.9 77.3 70.0 72.8 73.3 



32 67.4 72.0 64.9 69.9 77.4 82.3 87.5 86.3 82.2 78.2 68.2 63.3 75.0 



33 63.6 64.7 64.5 72.4 78.8 81.4 82.6 84.0 83.5 77.2 67.0 65.8 73.8 



34 61.7 60.2 63.5 71.3 76.8 80.3 83.2 84.2 81.2 78.3 66.9 62.2 72.5 



(8) (8) (8) (8) (8) (8) (8) (8) (7) (8) (8) (9) 



Mean 61.1 63.6 65. 71.5 77.7 81.8 85.0 85.1 82.9 77.9 68.0 63.9 73.6 



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

 Source - USBF 



