346 
EEY. S. HAUGHTON ON THE TIDES OE THE 
A. Diurnal Tide. 
Having obtained the hourly values of the Diurnal Tide in height, I plotted them to 
scale, and readily obtained the following Table, showing the chief phases of the Diurnal 
Tide each day. 
Table II. — Times of the Principal Phases of the Diurnal Tide at Port Kennedy 
in July 1859. 
Time. 
High 
Water. 
Half-Ebb. 
Low Water. 
Half-Blood. 
July 5 
h 
m 
h 
m 
h 
16 
40 
h m 
22 46 
6 
5 
0 
10 
20 
17 
0 
21 30 
7 
5 
0 
10 
26 
15 
0 
20 48 
8 
2 
30 
8 
20 
14 
0 
19 40 
9 
1 
30 
7 
0 
12 
0 
18 30 
10 
] 
30 
6 
48 
13 
30 
19 25 
11 
Noon 
8 
20 
14 
30 
20 20 
12 
2 
40 
9 
0 
14 
30 
20 
0 
13 
2 
30 
8 
0 
15 
0 
20 30 
14. 
2 
30 
8 
40 
15 
30 
21 
0 
15 
3 
30 
9 
20 
16 
0 
21 30 
16 
4 
0 
9 
48 
16 
0 
21 45 
17 
4 
30 
10 
0 
16 
30 
22 
0 
18 
4 
30 
9 
30 
18 
0 
23 45 
19 
5 
40 
11 
0 
17 
30 
22 40 
20 
5 
0 
10 
30 
17 
0 
22 15 
21 
5 
0 
9 
40 
17 
0 
21 20 
3 
0 
9 
15 
16 
0 
20 30 
23 
3 
0 
7 
40 
15 
0 
19 15 
24. 
2 
0 
7 
10 
14 
0 
18 
8 
25 
2 
0 
6 
30 
13 
0 
18 30 
26 
1 
0 
7 
12 
13 
30 
19 40 
27 
1 
0 
8 
10 
14 
0 
20 15 
If we extract from this Table the Maximum and Minimum values of the apparent 
Solitidal Interval for each Phase, and reduce all to the Phase of High Water, we find — 
Table III. — Maximum apparent Diurnal Solitidal Interval at Port Kennedy 
in July 1859. 
High Water. 
Half-Ebb. 
Low Water. 
Half-Blood. 
Apparent Solitidal 
Interval reduced 
to High-Water 
Phase. 
d h m 
d h m 
d 
h 
m 
d h m 
h 
m 
s 
5 22 46 
4 
46 
0 
6 5 0 
5 
00 
0 
6 
17 
0 
5 
00 
0 
7 10 26 
4 
26 
0 
18 
18 
0 
6 
00 
0 
18 23 45 
5 
45 
0 
19 5 40 
5 
40 
0 
19 11 0 
5 
00 
0 
' | 
Mean ... 
5 
12 
1 \ 
