402 
MR. LUBBOCK ON THE TIDES IN THE PORT OF LONDON 
Table IV. 
Showing the Height of High Water at the London Docks corresponding to the mean 
time of the Moon’s Transit in each month of the year; from 6638 observations made 
between the 1st of January 1808 and the 31st of December 1826. 
January. 
February. 
March. 
April. 
May. 
June. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
of 
Of 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
Of 
of 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
h m 
Feet. 
h 
m 
Feet. 
h 
m 
Feet. 
h 
m 
Feet. 
h 
m 
Feet. 
h 
m 
Feet. 
0 24 
22 
22 
0 
26 
22.73 
19 
0 
23.5 
22.87 
26 
0 
17.5 
22.8 
23 
0 
12 
22.75 
23 
0 
16 
22.47 
19 
0 54.5 
22.33 
24 
0 
5S 
22.69 
25 
0 
53 
22.8 
26 
0 
47 
23.03 
20 
0 
43.5 
22.76 
21 
0 
44 
22.4 
20 
1 24 
22.42 
20 
1 
27 
22.75 
25 
1 
23.5 
23 
22 
1 
15 
22.97 
23 
1 
12.5 
22.95 
21 
1 
14 
22.64 
21 
] 55 
22.79 
24 
1 
59 
22.7 
21 
1 
53.5 
22.77 
28 
1 
46 
22.85 
23 
1 
42 
22.89 
22 
1 
46 
22.5 
23 
2 24 
22.6 
27 
2 
28.5 
22.98 
25 
2 
24 
22.79 
23 
2 
16.5 
23 
22 
2 
11 
22.98 
22 
2 
16 
22.5S 
20 
2 55 
22.71 
22 
3 
0 
22.72 
25 
2 
55 
22.42 
25 
2 
47 
22.83 
20 
2 
42 
22.52 
21 
2 
45 
22.5 
22 
3 24 
22.46 
27 
3 
30 
22.39 
24 
3 
25 
22.5 
24 
3 
14 
22.42 
19 
3 
10.5 
22.45 
20 
3 
14 
22.18 
22 
3 54 
22.19 
27 
3 
59 
22.23 
20 
3 
55.5 
22.4 
22 
3 
43 
22.17 
19 
3 
42 
22.09 
26 
3 
45 
22.1 
24 
4 26 
21.92 
24 
4 
28 
21.81 
23 
4 
26 
21.83 
24 
4 
13 
21.83 
23 
4 
11 
21.78 
22 
4 
15 
22 
23 
4 55 
21.7 
25 
5 
3 
21.3 
25 
4 
56 
21.44 
20 
4 
43 
21.5 
19 
4 
42 
21.33 
21 
4 
46 
21.36 
26 
5 25 
21.06 
26 
5 
31.5 
21.17 
22 
5 
24 
21.17 
20 
5 
11.5 
21.02 
21 
5 
11 
20.7 
25 
5 
17 
21.02 
24 
5 56 
21 
28 
6 
0 
20.46 
19 
1 5 
26 
20.56 
24 
5 
44 
20.28 
22 
5 
43 
20.13 
24 
5 
46 
20.68 
23 
6 26 
20.15 
23 
6 
29 
19.6 
21 
| 6 
24 
19.92 
21 
6 
16 
19.88 
25 
6 
10 
19.98 
20 
6 
16 
20.47 
25 
6 55 
19.85 
24 
7 
0.5 
19.37 
19 
6 
55 
19.3 
23 
6 
47 
19.08 
20 
6 
39 
19.83 
26 
6 
46 
20.2 
25 
7 24 
19.73 
24 
7 
29 
18.5 
19 
7 
25.5 
19.3 
21 
7 
16.5 
18.92 
24 
7 
11 
19.74 
28 
7 
15 
19.73 
22 
7 56 
19.25 
25 
7 
58 
19.1 
18 
7 
55 
18.81 
23 
7 
49 
18.94 
23 
7 
41.5 
19.74 
14 
7 
46 
19.86 
27 
8 26 
19.85 
21 
8 
28 
18.94 
22 
8 
24.5 
19.25 
23 
8 
15.5 
19.25 
21 
8 
12.5 
20.15 
26 
8 
17 
20.06 
23 
8 56 
19.89 
23 
8 
58 
19.3 
16 
8 
55 
19.3 
22 
8 
41.5 
19.48 
23 
8 
44 
20.28 
27 
8 
46 
20.56 
23 
9 27 
20.23 
20 
9 
28.5 
19.85 
23 
9 
24 
20.06 
22 
9 
15 
20.4 
26 
9 
12.5 
20.99 
21 
9 
16 
20.7 
23 
9 54 
20.37 
23 
9 
59.5 
20.2 
18 
9 
54 
20.46 
25 
9 
45 
21 
24 
9 
40.5 
21.19 
24 
9 
46 
21.08 
19 
10 25 
21.08 
18 
10 
29 
20.97 
21 
10 
24 
21.04 
22 
10 
16 
21.51 
24 
10 
11 
21.72 
25 
10 
15 
21.28 
23 
10 53 
21.44 
21 
11 
0.5 
21.45 
22 
10 
54 
21.52 
25 
10 
45 
22 
25 
10 
40.5 
22.28 
22 
10 
45 
21.75 
20 
11 24 
21.5 
24 
11 
30 
21.21 
18 
11 
25 
22.12 
27 
11 
15.5 
22.69 
22 
11 
11 
22.39 
25 
11 
14 
22.12 
19 
11 56 
22.35 
21 
11 
59 
22.22 
21 
11 
54.5 
22.34 
21 
11 
46 
22.56 
26 
11 
41 
22.75 
11 
11 
45 
22.14 
22 
July. 
August. 
September. 
October. 
November. 
December. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Moon’s 
Height 
No. 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
of 
of 
Transit. 
of 
of 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
P.M. 
Tide. 
Obs. 
h m 
0 21 
Feet. 
22.3 
19 
h 
0 
m 
19 
Feet. 
22.28 
22 
h 
0 
m 
9 
Feet. 
22.67 
26 
h 
0 
m 
0 
Feet. 
22.97 
24 
h 
23 
ra 
59 
Feet. 
22.67 
22 
h m 
0 13 
Feet. 
22.75 
22 
0 49 
22.43 
22 
0 
51.5 
22.5 
25 
0 
40 
22.77 
25 
0 
30 
23 
23 
0 
29 
23.08 
20 
0 42 
22.11 
19 
1 20 
22.57 
23 
1 
19 
22.73 
20 
1 
10.5 
22.92 
24 
1 
1 
23.12 
25 
0 
59 
23.04 
22 
1 9 
22.26 
20 
1 50 
22.72 
23 
1 
48 
22.57 
26 
1 
41 
22.83 
24 
1 
31 
23.11 
23 
1 
31 
23 
21 
1 40 
22.46 
22 
2 20 
22.69 
25 
2 
19 
22.78 
25 
2 
10 
23.13 
20 
2 
2 
22.97 
21 
2 
1 
22.92 
20 
2 11 
22.86 
23 
2 51 
22.6 
25 
2 
48 
22.75 
27 
2 
39.5 
22.91 
27 
2 
32 
22.58 
25 
2 
31 
22.53 
22 
2 41 
22.46 
22 
3 21 
22.5 
24 
3 
20.5 
22.59 
24 
3 
10 
22.82 
20 
3 
3 
22.58 
20 
3 
1 
22.8 
20 
3 11 
22.29 
23 
3 51 
22.44 
27 
3 
49.5 
22.57 
23 
3 
39 
22.69 
22 
3 
31 
22.62 
20 
3 
31 
22.35 
22 
3 41 
22.01 
24 
4 21 
22.22 
23 
4 
19 
21.6 
25 
4 
9 
22.13 
21 
4 
0 
21.94 
21 
4 
3 
21.9 
23 
4 11.5 
21.95 
26 
4 50 
21.75 
26 
4 
50 
21.76 
25 
4 
40 
21.7 
25 
4 
29 
21.61 
22 
4 
33 
21.52 
21 
4 42 
21.43 
25 
5 21 
21.4 
28 
5 
20.5 
21.29 
22 
5 
12.5 
21.08 
21 
5 
1 
20.84 
24 
5 
0 
20.9 
20 
5 11.5 
21.23 
24 
5 52 
21 
25 
5 
49 
20.99 
22 
5 
41.5 
20.7 
19 
5 
31 
20.64 
22 
5 
29 
20.6 
23 
5 41 
20.78 
28 
6 21 
20.67 
22 
6 
18 
20.28 
22 
6 
10.5 
20.08 
21 
6 
1 
19.69 
20 
5 
59 
19.9 
23 
6 12 
20.28 
26 
6 50 
20.29 
27 
6 
49 
19.92 
24 
6 
41 
19.62 
22 
6 
32 
19.85 
25 
6 
31 
19.52 
26 
6 42 
20.04 
24 
7 21 
19.97 
25 
7 
19 
19.66 
21 
7 
11.5 
18.94 
21 
7 
4 
19.22 
23 
7 
1 
19.17 
24 
7 11 
19.68 
26 
7 53 
20.04 
24 
7 
48 
19.39 
22 
7 
42 
19.23 
22 
7 
31.5 
19.04 
21 
7 
29 
19.57 
23 
7 41 
19.54 
23 
8 23 
20.02 
21 
8 
19 
19.31 
24 
8 
13 
18.84 
21 
7 
59.5 
19.14 
22 
8 
1 
19.63 
26 
8 10 
19.71 
25 
8 51 
20.23 
20 
8 
50 
19.63 
23 
8 
41 
19.58 
22 
8 
29 
19.82 
25 
8 
31 
19.65 
24 
8 43 
20.5 
26 
9 23 
20.28 
23 
9 
20.5 
19.89 
22 
9 
11.5 
19.94 
23 
8 
59.5 
20.18 
27 
9 
0 
20.65 
25 
9 11 
20.79 
22 
9 53 
20.6 
21 
9 
50 
20.55 
21 
9 
42 
20.42 
23 
9 
31 
21.19 
24 
9 
30 
20.73 
25 
9 41 
21.3 
23 
10 23 
20.9 
21 
10 
18 
20.73 
20 
10 
12 
21 
23 
10 
0 
21.38 
26 
10 
0 
21.17 
23 
10 12 
21.28 
23 
10 53 
21.28 
20 
1 10 
48 
21.14 
22 
10 
41.5 
21.64 
23 
10 
30 
22.08 
26 
10 
31 
21.83 
25 
10 41.5 
21.62 
20 
11 23 
21.67 
23 
11 
18 
21.73 
23 
11 
9 
22.08 
21 
11 
1 
22.19 
25 
11 
1 
22.47 
22 
11 10 
21.77 
21 
11 53 
21.84 
21 
H 
48.5 
22.03 
23 
11 
40 
22.31 
17 
11 
31 
22.48 
25 
11 
30 
22.58 
21 
11 39 
22.06 
20 
