16 



o 



Monthly and Aruiual Mean Surface Water Temperatures, F 



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MOUNT DESERT ROCK 43 58'08"N. 68 07'U"W. 



Year Jan. Feb. Mar. Apr. Ua.y June July Aug. Sept. Oct. Kov. Dee . Ann . 



1925 ----- 46.1 - 52.7 48.3 45.0 42.5 40.0 - 



1926 36.0 35.0 35.6 35.8 42.6 46.7 48.7 52.8 51.0 49.9 44.3 39.6 43.2 



27 38.3 36.0 35.3 37.5 41.8 - - - - 49.6 45.4 39.4 (43.8) 



28 36.5 36.1 37.2 39.3 43.3 47.3 51.8 54.4 54.1 49.5 46.6 40.1 44.7 



29 37.4 37.1 38.8 38.3 42.7 48.0 49.6 54.6 52.2 48.8 43.6 40.2 44.3 



1930 35.4 35.0 35.6 38.4 45.8 47.9 - 52.2 §1.1 49.5 48.0 - (44.2) 



1931 _ _ - - - 49.2 51.5 51.6 50.2 48.0 45.8 42.6 - 



32 - - - - U.3 44.1 47.5 54.5 53.0 - 46.9 41.1 - 



33 38.5 37.3 37.2 38.6 40.8 44.7 49.8 52.4 50.6 48.5 43.6 40.0 43-5 



34 36.2 32.7 33.1 35-3 39.5 45.4 50.6 52.3 51.8 48.5 44.9 40.0 42.5 



1935 36.4 34.1 34.4 35.3 38.6 43.3 48.6 54.2 52.0 49.0 47.3 43.7 43.1 



1936 39.2 36.0 38.3 40.1 42.3 45.3 47.6 52.6 51.9 49.2 45.8 42.8 44.2 



37 40.0 38.8 37.3 U1.2 43.5 47.8 51.2 54.5 53.8 49.9 47.6 43-3 45.7 



38 38.6 38.8 37.1 - 44-1 47.8 50.6 53.7 52.5 51.4 48.8 45.5 (45.7) 



39 40.3 39.2 38.6 39.7 42.7 46.3 52.2 55.7 53.1 48.6 45. 40.2 45.1 

 1940 37.0 37.0 36.9 41.2 44.8 47.4 - - - _ - - - 



(13) (13) (13) (12) (14) (15) (12) (U) (14) (14) (15) (14) 



Mean 37.7 36.4 36.6 38.4 42.4 46.5 50.0 53.4 51.8 49.7 45.7 41.3 44.2 



Readings daily at 8 A.M. and 6 P.M. 

 Source - U3BF 



