58 



Monthly and Annual Mean Surface A'ater Tanperatures, °F 

 FIRE ISLAND LIGHTSHIP 40^29 'N. 73°11'',V. 



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



1925 - - - - - to. 7 66.8 67.0 64.9 55.2 46.7 41.6 - 



1926 35.8 31.3 33.3 39.1 49.6 58.3 68.3 69.0 65.4 60.7 52.5 42.6 50.5 



27 36.2 35.8 37.7 40.4 49.4 58.8 66.4 68.2 67.4 63.2 54.3 47.3 52.1 



28 41.8 38.6 39.6 43-5 50.5 60.5 63.9 70.5 67.6 61.9 54.3 46.9 53.3 



29 41.5 37.4 39.7 43.9 50.4 62.4 - 69.2 65.6 59.6 54.3 44.8 (53.1) 



1930 39.8 36.6 38.3 43.0 51.5 60.2 67.4 67.5 68.2 59.3 53.4 44.0 52.4 



1931 36.8 34.2 35.5 40.5 48.0 58.6 67.1 68.3 67.9 62.6 52.5 46.4 51.5 



32 41.7 40.5 37.4 ------ ____ 



33 - - - - 54.1 62.8 68.4 71.2 68.7 62.3 52.5 44.9 - 



34 39.1 - 33.6 41.7 51.2 - 72.2 70.0 68.3 63.1 54.3 46.4 (53.0) 



1935 41.1 34.9 37.6 42.6 51.5 61.3 71.9 72.0 66.4 59.5 56.3 46.3 52.6 



1936 38.4 32.6 37.1 42.7 52.7 62.7 70.8 71.6 67.6 62.5 53.4 45.2 53.1 



37 43.0 39.8 39.4 40.5 52.4 63.2 70.7 72.8 67.7 60.2 52.6 45.7 54.0 



38 - 38.9 38.9 45.6 52.4 62.0 69.8 71.8 65.1 60.4 56.4 46.9 (54.0) 



39 41.9 38.8 40.2 43.5 50.9 64.8 70.1 74.7 69.5 63.8 53.2 46.6 54.8 

 1940 37.4 34.6 35.8 39.3 49.2 58.8 - - - _ _ - - 



(13) (13) (U) (13) (14) (14) (13) (13) (13) (13) (13) (13) 



Mean 39.6 36.5 37.4 42.0 51.0 61.1 68.8 70.3 67.2 61.0 53.3 45.4 52.8 



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

 Source - U3BF 



