36 



Wonthly and Annual Mean Surface Water Temperatures, °F 



NiNTUCKET, MASSACHUSETTS U^IV'N, 7o''o6'ff. 



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



1886 --------- - 19.0 37.7 - 



87 33.ii 35.^. 36.i 4-3.8 57.A 64.5 74.0 12.A 64.6 56.4 45.9 38.0 51.8 



88 30.5 31.5 35.2 y^5.1 54.2 64.8 68.6 71.6 65.4 52.4 46.9 38.7 50.4 



89 38.5 32.6 38.4 46.9 60.0 67.7 73.^7 72.9 68.8 56.1 49.2 42.5 53.9 

 1890 40.1 38.0 ------- ---. 



(4) (4) (3) (3) (3) (3) (3) (3) (3) (3) (4) (4) 



Mean 35.6 34.4 36.7 A5.3 57.2 65.7 72.1 72.3 66.3 55.0 47.8 39.2 52.3 



Wharf, foot of Main Street, 



Readings at 2 p.m. EST 

 Source - USCFF 



