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 Monthly and Annual Mean Surface Water Temperatures, F 



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OYSTER BAYOU LIGHT STATION, LOUISIANA 29 13'N. 91 08'W. 



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



1930 52.8 60.5 60.4 71.1 75.4 79.6 85.4 84.0 80.4 70.0 59-5 50.3 69.1 



1931 49.2 56.8 54.9 64.1 73.0 80.4 82.8 80.3 81.6 74.0 67.1 60.6 68.7 



32 58.2 63.7 57.6 68.6 73.4 81.6 83.8 86.0 80.2 69.6 57.2 - (69.7) 



33 56.6 55.3 61.6 68.4 78.4 79-2 81.0 82.9 82.3 71.2 61.5 61.6 70.0 



34 56.6 54.2 59.4 68.9 74.1 81.0 83.2 84.4 80.2 74.3 64.8 53.7 69.6 



(5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (5) (4) 



Mean 54.7 58.1 58.8 68.2 74.9 80.4 83.2 83.5 80.9 71.8 62.0 56.6 69.4 



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

 Source - USBF 



