328 
REY. S. H AUGHT ON ON THE TIDES. OF THE 
North Declination of Moon a Maximum. 
High Water. 
Diurnal Tide. 
Solar. 
Lunar. 
h 
m 
inches. 
inches. 
inches. 
June 7- 
12 
45 P.M 
- 1-40 
+ 1-20 
-2-60 
8. 
1 
0 A.M 
+ 1-40 
-0-76 
+ 2-16 
8. 
12 
40 P.M 
— 1*53 
+ 1-06 
-2-59 
9- 
2 
0 A.M 
+ 1-32 
+ 0-17 
+ 1-15 
9- 
1 
15 P.M 
-1-28 
+ 0-53 
-1-81 
10. 
2 
38 A.M 
+ 1*34 
+ 0-78 
+ 0-56 
Mean ... 
±1-812 
Low Water. 
June 7. 6 21 p.m 
8. 7 20 a.m 
8. 8 0 p.m 
9. 8 22 a.m 
9. 7 43 p.m 
10. 8 05 a.m 
-5-69 
+ 5-70 
-5-69 
+ 5-72 
— 5*75 
+ 5*81 
-3-28 
+ 3-51 
-3-58 
+ 3-52 
-3-55 
+ 3-58 
-2*41 
+ 2-19 
-2-11 
+ 2-20 
-2-20 
+ 2-23 
Mean ... 
+ 2-223 
High Water. 
July 4. 10 45 a.m 
5. 12 15 a.m 
5. 12 45 p.m 
6. 1 0 A.M 
6. 1 0 p.m 
— 0-25 
+ 0-18 
-0-37 
+ 0-87 
-0-33 
+ 2-25 
— 1-42 
+ 0-54 
-0*76 
+ 0-76 
—2-50 
+ 1-60 
-0-91 
+ 1-63 
— 1-09 
Mean ... 
+ 1-546 
Low Water. 
July 4. 5 30 p.m 
5. 6 0 a.m 
5. 6 15 p.m 
6. 8 00 a.m 
6. 6 40 p.m 
-5-88 
+ 6-00 
— 6-13 
+ 6-25 
-6-25 
-2-91 
+ 3-18 
— 3-25 
+ 3-58 
-3-38 
-2-97 
+ 2-82 
— 2-88 
+ 2-67 
— 2-87 
Mean ... 
+ 2-842 
If m denote the Moon's Hour-Angle at High Water, we have at High Water, 
Lunar Tide=M sin 2^ cos m—i m , (a) 
and at Low Water, 
Lunar Tide = — M sin 2/* sin m — i m (b) 
Hence we find (observing that the Lunar Tide has the same sign at High Water and 
Low Water) 
June 7, 8, 9 ... . 2^=49° 30' N. 
2223 
tan m—i m — — 
m-4= — 50° 49' or +129° IV 
= — 3 h 23 m or -\-S h 37 m . 
