61 



o 

 Monthly and Annual Mean Surface Water Temperatures, F 



MBHOSE LIGHTSHIP UO 27.1'N. 73 U9.U'W. 



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



1937 -- -- U5.8 - 



38 lil.2 39.9 UO.9 U5.6 53.7 63.3 69.2 71.1 - 60.1 55.3 U7.2 (5U.7) 



39 U3.1 39.U Uo.ii U3.9 52.2 6U.U 69.1 7li,9 69.9 62.6 52.0 U6.0 5U.8 

 19U0 37.2 35.3 36.5 Ul.2 50.1 6o.6 68.1 72. U 67.9 58.1 51.3 U5.U 52.0 



19lil Ul.3 38.1 36.6 U3.8 52. li 60.9 66. U 69.0 68.0 60.1 52.9 - (53.0) 



li3 - 36.7 37.8 Uo.5 51.7 6U.0 65.3 - 68.5 - 53.9 - 



hh 39.9 - 37.0 - 50.9 62.0 67.2 - - - _ _ - 



19U5 .--- 



19li6 67.7 - - - - U9.8 - 



m - - - - 50.5 59.7 - - 68.8 62.6 59. U h7.3 - 



U8 iiO.3 38.3 3U.5 Ul.7 50.h 63.6 70.3 - - - _ . . 



U9 U3.3 -- .-__ 



1950 --._--... _.-_ 



1951 U3.2 39.1 - - 56.2 63.2 67.8 72.9 70.0 63.8 - - - 

 52 - bl.l 39.7 U3.2 52.1 60.2 - - - - . _ - 

 53 



51i - - - - 53.2 60.8 68.1 - - - 53.5 U7.7 - 



1955 til. 7 38.6 39.6 ii3.6 - - 69.6 73.2 70.7 61. U 53.9 li5.3 - 



1956 37.3 36.5 38.1 UI.6 li9.1 61.2 . - - _ - _ - 



(10) (10) (10) (9) (12) (12) (11) (6) (7) (7) (8) (8) 



Mean Ul.O 38.3 38.1 U2.8 5l.9 62.0 68.1 72.2 69. 1 61.7 51i.l U6.8 53.8 



Readings at 0130, 0730, 1330 and 1930 EST 

 Source - NWRC 



