EXPLANATION OF OCEAN TEMPERATURE CHART No. 14. 



FIRE ISLAND LIGHT-HOUSE, NEW YORK. 

 Ohservers : C. A. Blydexburgii, Seth E. IIuubard. 



Location of statiqn. — This light-house is situated on the cast side of Fire Islaud lulct, south side of Long Island, 

 :il miles E. by N. from Sandy Hook light-ship ; and the observations were taken in the narrow entrance to Great 

 South Bay, between Fire Island aud Oak Island. The 10-fa thorn curve is distant IJ miles from the outer beach; 

 the 20-fathom curve, 18 miles; the 100 fathom curve, 85 miles. 



Geographical position. —La.ma<io, 40° 37' 57" N. ; longitude, 73° 13' OD" W. 



Depth of water. — Three feet. 



Range of temperature (March 1 to January 1).— Air, 48°.5 (35° to 83°.5) ; surface, 40° (35° to 75°). 



The observations at this station were jirobably taken in rapidly running water, as the surface curves are compar- 

 atively regular, aud the maximum surface temperature is 8° lower than the maximum for the air. lu the range of both 

 air and surface temperatures this station agrees most closely with Five-Fathom Bank, the differences being very slight. 



TaWc showing the direction of the winds, hg rpiadrants, for each month of the gear, heing the means of five years' ohscrvations. 



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