MR. LUBBOCK ON TIDE OBSERVATIONS 
61 
Table A. 
Showing a comparison of the observations of the Times of High Water made at the 
London Docks, increased by five minutes, and those at the St. Katherine Docks. 
The observations marked with an * appear doubtful. 
Date 
1835. 
July. 
August. 
September. 
October. 
November. 
December. j 
London 
Docks. 
+5 min. 
St.Kath 
Docks. 
Differ- 
ence. 
London 
Docks. 
+5 min 
St.Kath 
Docks. 
differ- 
ence. 
London 
Docks. 
-f5min. 
St.Kath 
Docks. 
Differ 
ence. 
London 
Docks. 
+5 min 
St.Kath 
Docks. 
Differ- 
ence. 
London 
Docks. 
+5 min 
St.Kath 
Docks. 
Differ 
ence. 
London 
Docks. 
+5 min 
St.Kath 
Docks 
Differ- S 
ence. I 
h 
m 
h 
m 
m 
h 
m 
h 
m 
m 
'h 
m 
h m 
m 
h 
m 
h m 
m 
h m 
h m 
m 
h 
m 
h m 
m 
1. 
5 
30 
5 
27 
+ 3 
6 
35 
6 
42 
- 7 
7 
50 
7 56 
- 6 
8 
35 
8 41 
— 
6 
11 15 
11 21 
- 6 
11 
15 
11 18 
— 
3 
5 
45 
5 
42 
+ 3 
6 
45 
6 
53 
- 8 
8 
20 
8 16 
+ 4 
9 
20 
9 46 
— 
26 
11 
45 
11 58 
— 
13 
2, 
6 
5 
6 
8 
- 3 
7 
25 
7 
28 
- 3 
9 
5 
9 12 
- 7 
10 
15 
10 21 
— 
6 
12 15 
12 3 
+ 12 
0 
20 
6 
23 
- 3 
7 
35 
7 
48 
-13 
9 
45 
9 42 
+ 3 
11 
5 
11 12 
— 
7 
12 20 
12 23 
- 3 
12 
10 
12 7 
+ 
3 
3. 
7 
0 
6 
57 
+ 3 
8 
20 
8 
35 
— 15 
10 
45 
10 47 
- 2 
11 
25 
11 38 
— 
13 
12 50 
12 58 
- 8 
12 
45 
12 48 
3 
7 
15 
7 
7 
+ 8 
8 
50 
8 
48 
+ 2 
11 
30 
11 27 
+■ 3 
12 50 
12 58 
- 8 
12 
55 
12 54 
1 
4. 
8 
0 
7 
57 
+ 3 
9 
25 
9 
37 
-12 
12 
K 
u 
12 12 
- 7 
12 
15 
12 22 
— 
7 
1 25 
1 32 
- 7 
1 
20 
1 24 
4 
8 
15 
8 
7 
+ 8 
10 
5 
10 
4 
+ 1 
12 
40 
12 48 
— 
8 
1 30 
1 42 
-12 
1 
35 
1 32 
+ 
3 
5. 
9 
0 
8 
21 
+39 
10 
45 
10 
53 
- 8 
12 
35 
12 42 
- 7 
1 
15 
1 13 
+ 
2 
2 0 
2 8 
- 8 
1 
55 
1 55 
0 
9 
20 
8 
57 
+23 
11 
15 
11 
25 
-10 
1 
0 
1 3 
- 3 
1 
20 
1 25 
5 
2 10 
2 12 
- 2 
2 
10 
2 9 
+ 
1 
6. 
10 
5 
10 
12 
- 7 
12 
5 
12 
12 
- 7 
1 
25 
l 32 
- 7 
1 
50 
2 2 
_ 
12 
2 25 
2 38 
-13 
2 
25 
2 28 

3 
10 
25 
10 
27 
_ 2 
1 
50 
1 42 
+ 8 
1 
55 
2 3 
— 
8 
2 35 
2 41 
- 6 
2 
45 
2 53 
— 
7. 
11 
5 
11 
13 
- 8 
12 
25 
12 
31 
- 6 
2 
25 
2 22 
+ 3 
2 
35 
2 32 
+ 
3 
2 50 
3 2 
-12 
3 
10 
3 5 
+ 
5 ! 
11 
35 
11 
37 
- 2 
12 
50 
1 
8 
-18 
2 
30 
2 28 
+ 2 
2 
40 
2 42 
2 
3 5 
3 13 
- 8 
3 
30 
3 23 
+ 
7 1 
8. 
12 
5 
12 
25 
-20 
1 
25 
1 
33 
- 8 
2 
50 
3 8 
-18 
3 
5 
3 7 
— 
2 
3 35 
3 33 
+ 2 
3 
45 
3 37 
+ 
8 I 
1 
45 
1 
58 
-13 
3 
5 
3 13 
- 8 
3 
5 
3 13 
— 
8 
3 35 
3 47 
-12 
4 
5 
3 57 
+ 
8 
9. 
12 
35 
12 
36 
- 1 
2 
15 
2 
27 
-12 
3 
30 
3 33 
- 3 
3 
30 
3 32 
— 
2 
3 55 
3 57 
- 2 
4 
20 
4 13 
+ 
7 
1 
5 
1 
8 
- 3 
2 
35 
2 
46 
-11 
3 
30 
3 34 
+ 1 
3 
35 
3 41 
— 
6 
4 15 
4 17 
— 2 
4 
35 
4 33 
+ 
2 \ 
10. 
1 
30 
1 
42 
-12 
3 
25 
3 
18 
+ 7 
3 
50 
3 57 
- 7 
3 
55 
3 57 
— 
2 
4 25 
4 32 
- 7 
4 
50 
4 48 
+ 
2 \ 
2 
10 
2 
15 
— 5 
3 
30 
3 
31 
- 1 
3 
50 
4 2 
-12 
4 
0 
3 52 
+ 
8 
4 40 
4 39 
+ 1 
5 
10 
5 16 
6 
11. 
2 
25 
2 
33 
- 8 
3 
55 
4 
3 
- 8 
4 
25 
4 17 
+ 8 
4 
25 
4 21 
+ 
4 
5 0 
4 54 
+ 6 
5 
25 
5 32 

7 
2 
45 
2 
57 
-12 
4 
10 
4 
8 
+ 2 
4 
30 
4 33 
- 3 
4 
25 
4 32 
7 
5 10 
5 17 
- 7 
5 
50 
6 8 
_ 
IS 
12. 
3 
15 
3 
32 
-17 
4 
35 
4 
32 
+ 3 
4 
55 
5 2 
- 7 
4 
55 
4 48 
+ 
7 
5 35 
5 23 
+ 12 
6 
15 
6 17 
— 
2 
3 
35 
3 
47 
-12 
4 
35 
4 
44 
- 9 
5 
5 
5 7 
— 2 
4 
55 
4 52 
+ 
3 
5 50 
5 57 
- 7 
6 
35 
6 27 
+ 
8 
13. 
4 
15 
4 
22 
- 7 
5 
5 
5 
14 
- 9 
5 
20 
5 26 
- 6 
5 
20 
5 22 
2 
6 15 
6 13 
+ 2 
7 
5 
6 58 
+ 
7 
4 
20 
4 
26 
- 6 
5 
15 
5 
15 
0 
5 
35 
5 41 
- 6 
5 
30 
5 26 
+ 
4 
6 55 
7 2 
- 7 
7 
40 
7 38 
+ 
2 i 
14. 
4 
50 
4 
55 
- 5 
5 
45 
5 
48 
- 3 
6 
0 
6 6 
- 6 
5 
55 
6 2 
7 
7 25 
7 28 
- 3 
8 
5 
8 9 
4 i 
5 
5 
5 
7 
— 2 
5 
50 
5 
58 
- 8 
6 
10 
6 12 
— 2 
6 
0 
5 58 
+ 
2 
8 5 
8 7 
- 2 
8 
55 
8 57 
_ 
2 
15. 
5 
40 
5 
47 
- 7 
6 
20 
6 
27 
- 7 
6 
35 
6 37 
— 2 
6 
40 
6 45 
5 
8 35 
8 47 
-12 
9 
20 
9 27 
_ 
7 ll 
5 
45 
5 
47 
- 2 
6 
10 
6 
27 
-17 
6 
45 
6 52 
- 7 
7 
15 
7 21 
— 
6 
9 40 
9 37 
+ 3 
10 
15 
10 21 
- 
6 
16. 
6 
20 
6 
31 
-11 
6 50 
7 
0 
-10 
7 
20 
7 22 
- 2 
7 
50 
8 8 

18 
10 15 
10 17 
_ 2 
10 30 
10 42 
12 
6 
25 
6 
27 
- 2 
6 
50 
7 
3 
-13 
7 
20 
7 42 
-22 
8 
40 
8 52 
— 
12 
10 50 
10 53 
- 3 
11 
15 
11 13 
+ 
2 ! 
17. 
7 
0 
7 
7 
- 7 
7 
20 
7 
31 
-11 
8 
35 
8 41 
- 6 
9 
25 
9 49 
24 
11 20 
11 23 
- 3 
11 
35 
12 40 
5 
7 
5 
7 
11 
- 6 
7 
45 
7 
42 
+ 3 
9 
20 
9 34 
-14 
10 
25 
10 36 
11 
11 45 
11 50 
- 5 
12 
5 
12 11 

6 
18. 
7 
55 
8 
7 
-12 
8 
20 
8 
45 
-25 
10 
20 
10 23 
- 3 
11 
5 
11 12 
— 
7 
12 5 
12 15 
-10 
7 
45 
7 
57 
-12 
8 
55 
8 
58 
- 3 
11 
20 
11 7 
+ 13 
11 
55 
11 41 
+ 14 
12 
25 
12 36 
-ii i 
19. 
8 
45 
8 
47 
- 2 
9 
35 
10 
2 
-27 
11 
35 
11 47 
-12 
12 55 
1 6 
-ii 
1 
0 
12 58 
+ 
2 I 
8 
45 
S 
46 
- 1 
10 
20 
10 
19 
+ 1 
12 
5 
12 3 
+ 2 
12 
10 
12 15 
— 
5 
12 45 
12 43 
+ 2 
1 
30 
1 17 
+ 13 
20. 
9 
45 
9 
57 
-12 
11 
15 
11 
19 
- 4 
12 
40 
12 44 
— 
4 
1 25 
1 26 
- 1 
1 
55 
1 57 

•2 fi 
10 
5 
10 
7 
- 2 
11 
50 
11 
47 
+ 3 
12 
25 
12 27 
- 2 
12 
55 
1 1 
- 
6 
1 40 
1 49 
- 9 
2 
15 
2 15 
0 I 
21. 
10 
40 
10 
42 
- 2 
1 
10 
1 12 
- 2 
1 
15 
1 14 
+ 
1 
2 15 
2 13 
+ 2 
2 
45 
2 43 
+ 
2 | 
11 
15 
11 
12 
+ 3 
12 
15 
12 
17 
- 2 
1 
20 
1 22 
- 2 
1 
30 
1 30 
0 
2 25 
2 29 
- 4 
3 
5 
3 8 
3 I 
22. 
11 
50 
12 
10 
-20 
12 
50 
12 
42 
+ 8 
1 
45 
1 50 
- 5 
1 
55 
1 57 
— 
2 
2 45 
2 44 
+ 1 
3 
30 
3 25 
+ 
,5 6 
23. 
12 
1 
0 
I 
7 
- 7 
2 
5 
2 2 
+ 3 
2 
15 
2 14 
+ 
1 
3 5 
3 18 
-13 
3 
50 
3 51 
i 
15 
12 
ii 
+ 4 
1 
30 
1 
32 
- 2 
2 
30 
2 27 
+ 3 
2 
35 
2 37 
2 
3 40 
3 48 
- 8 
4 
15 
4 15 

0 
24. 
12 
45 
12 
52 
- 7 
1 
40 
1 
47 
- 7 
2 
45 
2 43 
+ 2 
2 
50 
2 51 
— 
1 
3 55 
3 57 
- 2 
4 
40 
4 43 

3 ; 
1 
10 
1 
11 
- 1 
2 
5 
2 
15 
-10 
3 
5 
3 9 
- 4 
3 
10 
3 17 
— 
7 
4 25 
4 28 
- 3 
5 
0 
5 5 

5 | 
25. 
1 
30 
1 
42 
-12 
2 
20 
2 
28 
- 8 
3 
20 
3 15 
+ 5 
3 
35 
3 38 
— 
3 
4 45 
4 58 
-13 
5 
35 
5 36 

i 
1 
55 
1 
52 
+ 3 
2 
40 
2 
53 
-13 
3 
45 
3 43 
+ 2 
4 
0 
4 3 
— 
3 
5 10 
5 7 
+ 3 
5 
55 
5 51 
+ 
4 
2 
20 
2 
17 
+ 3 
3 
0 
3 
2 
- 2 
3 
50 
4 3 
-13 
4 
10 
4 13 
- 
3 
5 45 
5 53 
- 8 
6 
30 
6 26 
+ 
4 
26. 
2 
45 
2 
32 
+ 13 
3 
25 
3 
33 
- 8 
4 
20 
4 26 
- 6 
4 
30 
4 33 
_ 
3 
5 55 
5 48 
+ 7 
6 
55 
6 32 
+23 
27. 
2 
55 
2 
58 
- 3 
3 
45 
3 
43 
+ 2 
4 
35 
4 32 
+ 3 
4 
50 
4 57 
_ 
7 
6 45 
6 50 
- 5 
7 
5 
7 22 
-17 
3 
15 
3 
11 
+ 4 
4 
10 
4 
15 
- 5 
4 
55 
5 8 
-13 
5 
15 
5 13 
+ 
2 
6 40 
6 44 
- 4 
7 
25 
7 27 

2 
28. 
3 
30 
3 
25 
+ 5 
4 
20 
4 
26 
- 6 
5 
10 
5 13 
- 3 
5 
30 
5 37 
7 
7 50 
7 50 
0 
8 
10 
8 8 
+ 
2 
3 
45 
3 
46 
- 1 
4 
45 
4 
48 
- 3 
5 
40 
5 43 
- 3 
5 
50 
6 8 
-18 
7 45 
7 44 
+ 1 
8 
25 
8 26 
1 | 
29. 
4 
0 
4 
3 
- 3 
5 
5 
5 
1 
+ 4 
5 
55 
5 57 
— 2 
6 
30 
6 53 
-23 
8 45 
8 38 
+ 7 
9 
5 
9 17 
-1 
2 1 
4 
25 
4 
28 
- 3 
5 
30 
5 
27 
+ 3 
6 
25 
6 15 
+ 10 
7 
0 
7 10 
-10 
9 5 
9 2 
+ 3 
8 
5 
8 13 

5 
30. 
4 
40 
4 
41 
- 1 
5 
40 
5 
41 
- 1 
6 
45 
6 56 
-11 
8 
5 
8 14 

9 
10 10 
9 57 
+ 13 
10 
5 
10 45 
-40 
0 
5 
4 
42 
+23 
6 
10 
6 
9 
+ 1 
7 
15 
7 11 
+ 4 
8 
15 
8 23 

8 
10 20 
10 27 
- 7 
10 
45 
11 22 
—37 
5 
25 
5 
22 
+ 3 
6 
20 
6 
19 
+ 1 
7 
55 
8 2 
- 7 
9 
25 
9 37 
-12 
11 5 
11 18 
-13 
11 
5 
11 46 
-41 
31. 
5 
50 
5 
53 
- 3 
6 
50 
7 
2 
-12 
10 
0 
10 12 
-12 
11 
30 
6 
5 
6 
3 
+ 2 
7 
10 
7 
12 
- 2 
10 
50 
11 5 
-15 
12 
5 
12 21 
-16 
t 
