EXPLANATION OP OCEAN TBMPBRATTTRB CHART No. 7. 



i^EYING PAN SHOALS LIGHT-SHIP, NORTH CAEOLINA. 

 Observers ; D. "W. Manson, W. E. Walker, J. H. Dosher, J. D. Davis, G. D. Walker, H. Swan. 



Position. — Frying Pan Shoals light-ship is located about G-J miles fioiio the outer extremity of the main part of 

 Frying Pan Shoals, about 17 miles southeasterly from Cape Fear, North Carolina, and about 108 miles northeasterly 

 from Rattlesnake Shoal light-ship. Within a radius of 3 miles on all sides depths of 6^ to 11 fathoms occur. The 20- 

 fathom curve is distant 21 miles, the 100-fathom curve 36 miles. 



Geographical position.— 'Latitade, 33° 35' (00") N. ; longitude, 77° 50'- (04") W. 



Depth of water. — Ten to 11 fathoms. 



Eange of temperature.— Aiv, 41° (44° to 85°) ; surface, 33° (49o.5 to 82°. 5). 



The cjirves of air temperature do not differ essentially from those of the two preceding stations ; the range of 

 temperature is precisely the same, although the maximum and minimum records are each 1^° lower at this station. 

 The surface temperatures, however, have a more limited range by 5°, reaching neither the same maximum nor mini- 

 mum as at Rattlesnake Shoal. 



Table showing the direction of tlie ivinds, by quadrants, for each month of the year, being the means of five years' obserrations. 



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