57 



Monthly and Annual ikean Surface Water Temperatures, F 



FIRE ISLaT.'J lighthouse, N.Y. 40037'57"N. 75°13'09"W. 



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



1878 . - - _ _ _ 70.8 71.9 69.6 61./. 47.2 38.2 - 



79 31.4 31.5 39.9 45.7 61.0 66.6 - - - _ _ _ _ 



1880 _ - - _ _ _ 71.7 70.8 67.3 59.0 46.5 35.1 - 



44.5 56.4 62.3 70.0 69.0 69.2 61.0 53.1 43.0 52.7 



44.9 52.6 63.7 70.3 72.6 69.4 60.8 48.4 36.4 52.7 



44.1 53.4 66.4 71.0 69.7 65.2 58.3 48.6 38.7 52.0 



46.3 55.7 64.9 67.5 70.4 68.3 60.6 47.9 39.5 52.7 



45.5 53.4 61.5 70.8 72.8 65.6 57.9 46.3 37.8 - 



1886 34.1 33.3 37.4 ------ ---- 



87 - 35.1 37.2 45.8 59.4 64.2 69.7 72.5 65.0 57.2 - - - 



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



Mean 33.8 34.7 38.9 45.2 56.0 64.2 70.2 71.2 67.4 59.5 48.3 38.4 52.3 



Readings at first high water and first low water after 7 a.m. 

 Source - USCFF 



