77 



Monthly and Annual Llean Surface VJater Temperatures, F 



CHESAPE.4KE LIGHTSHIP 



36°59'N 75°42'W 



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



1928 



29 



1930 



1931 

 32 

 33 

 34 



1935 



1936 

 37 

 38 



39 

 1940 



Mean 



46.0 40.2 

 45.9 42.2 



40.0 34.0 

 46.2 41.9 

 43.6 42.9 

 44.5 44.4 



40.1 36.8 



43.0 

 45.1 



43.0 41.2 41.2 



50.9 50.1 45.9 



47.0 44.1 44.3 



45.7 37.9 37.5 



41.7 37.4 43.2 



39.5 

 43.1 

 44.8 

 47.3 

 38.8 



51.6 



50.8 



48.0 

 50.0 

 51.6 

 44.6 

 46.9 



48.6 

 48.3 

 51.6 

 52.2 

 46.1 



60.2 



60.6 



57.9 

 58.1 

 61.6 

 55.2 



58.0 



61.6 

 60.8 

 61.5 

 59.6 

 56.2 



(12) (12) (12) 

 44.6 41.1 42.8 



(12) (12) 

 49.2 59.3 



67.9 

 69.0 



67.2 

 69.1 

 69.2 

 67.3 

 67.1 



67.7 

 69.7 

 68.4 

 69.8 

 70.5 



(12) 

 68.6 



72.2 

 73.8 



74.1 

 74.1 

 73.2 

 76.5 

 72.1 



74.9 

 75.2 

 73.1 

 71.8 



75.1 

 74.0 



74.5 

 75.2 

 77.1 

 71.7 

 73.5 



75.4 

 73.4 

 74.4 

 78.0 



70.7 

 73.2 

 74.6 



73.7 



71.9 



76.7* 



73.0 



70.9 



70.7 

 70.4 

 73.1 

 73.9 



(11) (11) (12) 

 73.7 74.8 72.7 



68.0 

 65.5 

 66.6 



67.7 

 67.4 

 68.7 

 66.5 

 64.6 



67.3 

 63.8 

 64.5 

 67.9 



(12) 

 66.5 



58.5 

 59.2 

 56.5 



60.6 

 59.9 

 57.1 

 56.5 

 57.6 



58.0 

 56.4 

 58.2 

 56.2 



(12) 

 57.9 



50.2 

 50.0 

 48.4 



55.6 

 49.2 

 50.1 

 47.6 

 46.2 



47.0 

 47.0 

 49.6 

 47.2 



(12) 

 49.0 



Hnn. 



58.7 



59.0 



58.7 

 60.2 

 60.0 

 56.7 

 56.6 



57.0 

 58.0 

 58.8 

 59.4 



58.4 



*Sept. 16, 1933. Hurricane - worst storm in 25 years. 



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

 Source - USF 



