Diurnal Tides on the Coasts of Ireland. 



DONAGHADEE. — TaBLE B. 



101 



Comparison of the Observed and Calculated Diornal Tides at Donaghadee at High Water- 

 K7a««ar S-- 21^2""'''" ^'"^^'°'^' <=<"»'«««"■«!? 1850, September 29" 5" 51-, Ind ending 



No. 

 10 



11 



12 

 13 

 14 

 15 

 16 

 17 



Observed. 



Calculated. 



Difference. 



Feet. 



0-48 

 0-60 

 0-50 

 0-47 

 0-32 

 0-34 

 0-46 

 0-56 



Feet. 



0-48 

 058 

 0-56 

 0-48 

 0-33 

 0-29 

 0-38 

 0-55 



Feet. 



000 

 + 0-02 ' 

 -006 

 -0-01 

 -001 

 + 0'05 

 + 0-08 

 + 0-01 



Donaghadee Table C. 



Comparison OF the Observed and Calculated Diurnal Tides at Donaghadee at Loto Water- 

 ber'^if 16'%7"- Lunations, commencing 1850, October 12^ 4\ and ending 1851, Decem- 



No. 



Observed. 



Feet. 



0-60 

 0-62 

 0-61 

 0-70 

 0-35 

 0'26 

 042 

 0-57 



Calculated. 



Feet, 



0-46 

 0-57 

 0-62 

 0-62 

 0-43 

 0-43 

 0-41 

 0-50 



Observed. 



Calculated. 



Feet.- 

 0-44 

 0-55 

 0-48 

 0-36 

 0-40 

 0-60 

 0-59 

 065 



Feet. 



0-59 

 0-64 

 0-57 

 0-.32 

 0-39 

 0-42 

 51 

 0-61 



Difference. 



Feet. 



-0-15 

 -0-09 

 -009 

 -0-16 

 + 0-07 

 + 018 

 + 0-08 

 + 004 



Mean Difference = - 0-002 ft. 



Donaghadee Table D. 



°°'^t"'^°''°^.™^0''§^''^=i>^^ Calculated Diurnal Tides at Donaghadee at Loxo Water 

 berti^W't- Lunations, commencing 1850, October V2'' i\ and ending \8o\,DecL 



