ON THE LAWS OF RISE AND FALL OF THE SURFACE 
Table. (Continued.) 
M. 
ft. in. 
Calculated High 
Water from 
N. 
ft. in. 
Calculated High 
Water from 
Observed High 
S 
10 
M. 
10 10 
N. 
1840. 
h 
m 
S 
h 
m 
s 
h 
m 
s 
h 
m 
S 
h 
m 
S 
April 5 
3 
10 
58 
51 
15 
25 
7 
24 
50 
4 
10 
ii 
36 
12 
45 
7 
23 
59 
7 
34 
0 
6 
4 
11 
17 
18 
5 
40 
7 
47 
53 
4 
11 
31 
3 
12 
44 
7 
47 
27 
7 
54 
0 
4 
11 
29 
36 
58 
10 
8 
3 
4 
4 
11 
44 
22 
26 
44 
8 
3 
35 
8 
10 
0 
7 
4 
11 
49 
55 
15 
49 
8 
22 
32 
5 
11 
6 
35 
14 
38 
8 
20 
56 
8 
33 
0 
5 
11 
16 
58 
28 
10 
8 
37 
19 
5 
11 
33 
47 
42 
15 
8 
40 
29 
8 
54 
0 
8 
5 
47 
28 
9 
13 
51 
6 
7 
6 
9 
12 
12 
9 
19 
0 
0 
40 
3 
0 
17 
18 
9 
6 
1 
6 
5 
20 
24 
9 
35 
52 
6 
0 
27 
35 
30 
43 
9 
31 
37 
9 
41 
0 
6 
1 
50 
27 
20 
55 
10 
9 
8 
7 
0 
17 
52 
40 
41 
10 
5 
11 
10 
14 
0 
10 
7 
2 
5 
11 
20 
22 
10 
38 
26 
7 
l 
32 
40 
40 
20 
10 
36 
30 
10 
54 
0 
8 
2 
10 
59 
43 
32 
11 
35 
8 
8 
2 
48 
21 
47 
3 
11 
34 
55 
11 
39 
0 
11 
8 
3 
34 
46 
52 
8 
0 
10 
30 
9 
3 
5 
13 
59 
10 
0 
9 
35 
0 
11 
0 
9 
4 
52 
43 
9 
2 
1 
17 
36 
10 
4 
22 
10 
48 
19 
1 
16 
34 
1 
14 
0 
12 
10 
8 
22 
1 
45 
0 
10 
33 
57 
1 
44 
51 
1 
48 
0 
5 
21 
37 
4 
55 
44 
10 
6 
59 
5 
0 
10 
2 
32 
5 
11 
5 
18 
39 
14 
16 
2 
28 
45 
2 
36 
0 
13 
11 
6 
16 
24 
33 
10 
2 
50 
22 
11 
6 
38 
5 
28 
42 
2 
52 
4 
3 
6 
0 
0 
6 
1 
58 
29 
23 
3 
29 
56 
0 
6 
20 
36 
58 
50 
3 
28 
54 
3 
38 
0 
14 
0 
7 
9 
18 
25 
27 
3 
43 
56 
0 
7 
29 
1 
50 
14 
3 
45 
32 
3 
57 
0 
0 
7 
44 
43 
34 
15 
4 
13 
55 
l 
7 
1 
24 
36 
30 
4 
13 
3 
4 
24 
0 
15 
0 
8 
58 
2 
29 
48 
4 
30 
39 
l 
7 
9 
45 
32 
53 
4 
27 
43 
4 
39 
0 
1 
8 
21 
19 
37 
45 
4 
50 
41 
l 
8 
36 
3 
56 
13 
4 
50 
5 
4 
58 
0 
16 
1 
8 
36 
33 
18 
37 
5 
4 
58 
1 
8 
50 
18 
43 
4 
5 
4 
24 
5 
16 
0 
1 
8 
59 
42 
52 
37 
5 
21 
15 
2 
8 
15 
32 
19 
18 
5 
23 
49 
5 
36 
0 
17 
2 
9 
14 
7 
50 
40 
5 
41 
15 
2 
8 
29 
51 
55 
20 
5 
40 
38 
5 
54 
0 
2 
9 
33 
18 
38 
20 
5 
55 
59 
2 
9 
50 
2 
14 
10 
5 
56 
12 
6 
9 
0 
18 
2 
45 
41 
6 
11 
32 
2 
59 
53 
6 
10 
55 
6 
22 
0 
9 
37 
23 
9 
21 
57 
2 
9 
59 
53 
9 
34 
6 
26 
22 
3 
9 
14 
38 
5 
45 
6 
26 
25 
6 
37 
0 
19 
3 
12 
15 
6 
40 
16 
3 
22 
11 
6 
36 
43 
6 
48 
0 
10 
8 
17 
9 
51 
15 
3 
10 
21 
23 
40 
18 
6 
52 
29 
3 
10 
38 
4 
10 
51 
6 
51 
31 
7 
5 
0 
