ON THE COASTS OF IRELAND. 



19 



Maximum Values of Diurnal Tide, First Division: deduced from heights. 



Kilbaha .... 

 Kilrush .... 

 Foynes Island 

 Limerick. . . . 

 Casleh Bay . . 

 Galway .... 

 Old Head . . 

 Mullaghmore 

 Buncrana . . 

 Port Rush . . 

 Carrowkeel. . 

 Ballycastle . , 

 Glenarm .... 

 Donaghadee 

 Ardglass .... 

 Clogher Head 

 Kingstown , 

 Dunmore East 

 New Ross . . 

 Passage West 

 Castle Townsend 



High water. 



July 1—14. 



ft 

 + 0-28 

 + 0-20 

 + 0-30 

 -I-0-30 

 + 0-27 

 + 0-24 

 + 0-46 

 -I-0-83 

 + 0-64 

 + 0-50 

 + 0-44 

 + 050 

 + 0-74 

 + 0-64 

 + 0-55 

 + 0-64 

 + 0-53 

 -fO-17 

 + 0-22 

 + 08 

 -0-02 



July 14—31. 



ft. 



-0-49 

 -0-38 

 -0-45 

 -0-49 

 -0-41 

 -0-42 

 -0-61 

 -0-80 

 -073 

 -0-57 

 -0-93 

 -0-66 

 -066 

 -0-74 

 -0-74 

 -0-69 

 -0-57 

 -0-24 

 -0-33 

 -0-20 

 -009 



July 31— Aug. 12 



ft. 

 + 0-30 

 + 0-25 

 + 0-33 

 + 0-36 

 + 0-30 

 + 0-25 

 + 0-64 

 + 0-85 

 + 0-66 

 + 0-60 

 + 0-60 

 + 0-58 

 + 0-82 

 + 0-74 

 + 0-69 

 + 0-60 

 + 0-64 

 + 0-25 

 + 0-25 



+ 0-17 



+ 0-05 



Low water. 



July 4—17. 



ft. 

 -0-47 

 -0-52 

 -0-74 

 -0-96 

 -0-64 

 -0-77 

 -0-69 

 -0-30 

 + 0-05 

 + 0-14 

 + 0-17 

 + 0-05 

 -0-60 



— 0-64 

 -0-60 

 —0-55 



— 0-55 

 + 0-13 

 + 0-05 

 + 0-13 

 -0-16 



July 17—32. 



ft. 

 + 0-52 

 + 0-42 

 + 0-32 

 + 0-49 

 + 0-52 

 + 0-57 

 + 0-58 

 + 0-14 

 -0-16 

 -0-28 

 -0-19 

 -0-16 

 + 0-42 

 + 0-41 

 + 0-38 

 + 0-36 

 + 0-36 

 -0-22 

 -0-22 

 -0-11 

 -0-01 



Aug. 1—13. 



ft. 

 -0-50 



— 0-47 



— 0-58 



— 0-53 



— 0-55 

 -0-35 

 -0-74 

 -0-08 

 + 0-25 

 + 0-35 

 + 0-33 

 + 0-16 

 -0-35 

 -0-71 

 -0-58 

 -0-37 

 -0-52 

 + 0-11 

 + 0-05 

 + 0-06 

 -0-08 



These results are on the whole satisfactory. There are, however, some general 

 differences of magnitude among the different columns, which I am not able at pre- 

 sent entirely to explain. I may remark that the moon was in perigee on July 9 and 

 August 7, and in apogee on July 25. 



Maximum Coefficient of Diurnal Tide in Time, First Division. 



Kilbaha 



Kilrush 



Foynes Island. . . . 



Limerick 



Casleh Bay 



Galway 



Old Head 



Mullaghmore . . . . 



Buncrana 



Port Rush 



Carrowkeel 



Ballycastle 



Glenarm 



Donaghadee . . . . 



Ardglass 



Clogher Head . . 



Kingstown 



Dunmore East . . 



New Ross 



Passage West .... 

 Castle Townsend.. 



Low water. 



July 1—14. 



+ 5-31 

 + 1-34 

 + 4-10 

 + 12-23 

 + 2-51 

 + 5-03 

 + 2-87 

 + 3 93 

 + 10-90 

 + 21-43 

 + 17-93 

 + 28-28 

 - 1-76 

 004 

 1-72 

 3-80 

 4-32 

 0-54 

 1-76 

 2-71 

 6-57 



+ 

 + 

 + 

 + 

 + 



July 14— 31. July 31— Aug. 12. 



— 2-69 



— 1-87 



— 4-00 



— 8-86 



— 2-40 



— 6-97 



— 2-96 



— 7-77 



— 1-51 



— 4-83 



— 3-35 



— 31-00 



— 7-82 



— 6-58 



— 4-41 



— 5-10 



— 5-46 



— 2-77 



— 0-48 

 + 2-68 

 + 2-12 



4-25 

 1-73 

 5-11 

 8-15 

 3-18 

 3-08 

 0-66 

 + 10-56 

 + 7-90 

 + 16-77 

 + 14-92 

 + 17-26 



+ 

 + 

 + 

 + 

 + 

 + 

 + 



D 2 



409 

 0-57 

 2-70 

 1-86 

 5-65 

 3-31 

 3-45 

 0-96 

 1-26 



High water. 



July 4—17. July 17—32. 



6-22 

 5-92 

 5-63 

 3-91 

 8-73 

 8-73 

 4-32 

 10-48 

 0-42 

 1-88 

 5-60 

 3-42 

 0-66 

 5-27 



0-07 



001 

 4-35 

 3-86 

 2-54 

 0-23 

 2-49 



Aug. 1—13. 



3-70 

 3-70 

 1 70 

 0-69 

 6-06 

 3-64 

 4-13 

 2-06 

 0-34 

 7-28 

 2-71 



+ 18-05 



2-68 

 1-72 

 4-47 

 2-47 

 0-52 

 0-24 

 2-05 

 0-70 

 1-37 



-0-98 



— 3-li8 

 -3-84 

 -5-63 

 —4-29 

 -4-98 

 + 0-26 

 -5-09 

 -1-73 

 -3-14 

 -0-68 

 -1-96 



— 2-20 

 -4-.')2 

 —0-35 

 -3-10 

 -3-92 

 -240 

 -4-99 

 -0-51 

 -3-67 



