MAGNETIC DECLINATION AT BOMBAY. 
369 
Table I. — Showing, for each hour of the day, the aggregates of Easterly disturbances of 
Declination exceeding l'*0, T*4, and V'7 respectively, in the years 1859 and 1860, 
and the corresponding ratios of the aggregate disturbance at each hour to the 
average aggregate hourly disturbance for the twenty-four hours. 
Bombay 
Aggregates of Easterly Disturbances. 
Ratios. 
1859. 
1860. 
1859. 
1860. 
Hours. 
Separating value. 
Separating value. 
l'-0. 
l'-4. 
r-o. 
l'-4. 
1-7. 
r-o. 
l'-4. 
r-o. 
l'-4. 
l'-7. 
h 
m 
4 
12 
51-757 
35-466 
46-246 
29107 
18-025 
0-90 
0-88 
090 
083 
070 
5 
12 
51-593 
29-690 
42-672 
19-311 
13192 
0-90 
0-74 
0-83 
0-56 
052 
6 
12 
43-782 
28-741 
31-687 
22-608 
19-348 
0-76 
0 71 
0-61 
0-65 
0-76 
7 
12 
48-294 
34-288 
35-280 
35102 
30-890 
0-84 
0-85 
0-68 
1-01 
1-21 
8 
12 
61-750 
43-332 
37-917 
29-834 
21 345 
1-08 
1-07 
0-73 
0-86 
0-83 
9 
12 
50-127 
31-550 
39-530 
26-678 
23-296 
0-88 
0-78 
0-76 
0-77 
0-91 
10 
12 
59-087 
41-861 
40-473 
23-614 
15-830 
1-03 
1-04 
0-78 
0-68 
0-62 
11 
12 
47-550 
40-412 
42-193 
21-482 
12-942 
0-83 
1-00 
0-82 
0-62 
0-51 
12 
12 
44-935 
36-934 
25-639 
22-429 
8-458 
0-78 
0-91 
0-50 
0-65 
0-33 
13 
12 
41108 
31-866 
36-812 
18-459 
14-828 
0-72 
0-79 
0-71 
0-53 
0-58 
14 
12 
36100 
29-017 
28-555 
16-674 
11715 
0-63 
0-72 
0-55 
0-48 
0-46 
15 
12 
32-732 
25-540 
36 595 
25-299 
17069 
0-57 
0-63 
0-71 
0-73 
0-67 
16 
12 
32-534 
22-446 
40806 
17-891 
13-079 
0-57 
0-56 
0-79 
0-52 
0-51 
17 
12 
37-221 
22-906 
51-522 
31-804 
28-145 
0-65 
0-57 
1-00 
0-92 
1-10 
18 
12 
53-392 
37-587 
77-986 
60-?"2 
51-330 
0-93 
093 
1-51 
1-74 
2-01 
19 
12 
68-025 
59-644 
83-650 
61-639 
47-653 
1-19 
1-48 
1-62 
1-78 
1-86 
20 
12 
84-294 
43181 
61-085 
40-580 
31-984 
1-47 
1-07 
1 1-18 
1-17 
1-25 
21 
12 
82185 
49-738 
71 760 
31-803 
19-012 
1-44 
1-23 
1-39 
092 
0-74 
22 
12 
116-645 
71-755 
63-296 
49-933 
38-281 
204 
1-78 
1-23 
1-44 
1-50 
23 
12 
101169 
90-538 
82-663 
56-567 
29-285 
1 77 
2-24 
1-60 
1-63 
1-14 
0 
12 
74-977 
57-241 
65-006 
51 857 
41-839 
1-31 
1-42 
1-26 
1-50 
1 64 
1 
12 
55-486 
45-681 
69-136 
57-587 
41-671 
0-97 
1-13 
1-34 
1 66 
1-63 
2 
12 
42 152 
30-646 
78-016 
40-832 
38-878 
0-74 
0-76 
1-51 
118 
152 
3 
12 
56-927 
29154 
49-720 
40975 
25-997 
0-99 
0-72 
0-96 
1-18 
1 102 
Table II. — Showing, for each hour of the day, the aggregates of Westerly disturbances of 
Declination exceeding DO, l ,- 4, and V'7 respectively, in the years 1859 and 1860, 
and the corresponding ratios of the aggregate disturbance at each hour to the average 
aggregate hourly disturbance for the twenty-four hours. 
Bombay 
Aggregates of Westerly Disturbances. 
Ratios. 
1859. 
1860. 
1859. | 
1860. 
Hours. 
Separating value. 
Separating value. 
l'-O. 
1-4. 
l'-0. 
l'-4. 
1-7. 
l'-0. 
l'-4. 
l'-O. 
l'-4. 
l'-7. 
k 
4 
12 
24-787 
15013 
50-816 
32064 
26-760 
0-71 
0-72 
127 
127 
1-49 
5 
12 
10189 
7 905 
26-883 
19-412 
16-416 
0 29 
0-38 
0-67 
0-77 
0-91 
6 
12 
10-201 
4-717 
17-461 
8-013 
8013 
0-29 
0-23 
0-44 
0-32 
0-45 
7 
12 
6-486 
3-263 
10-855 
10143 
0-000 
019 
0-16 
0-27 
0-40 
0-00 
8 
12 
1-011 
0-000 
9-468 
1-609 
0000 
0-03 
0-00 
0-24 
0-06 
0-00 
9 
12 
3310 
0-000 
7-202 
.3-117 
0-000 
007 
000 
018 
0-12 
0-00 
10 
12 
1-395 
0-000 
7-959 
6-438 
0000 
004 
0-00 
0-20 
0-25 
0-00 
11 
12 
3-237 
2024 
8-552 
1-569 
0000 
009 
0 10 
0-21 
0-06 
000 
12 
12 
1-887 
1-896 
14-075 
0000 
0 000 
005 
0-09 
0-35 
0-00 
0 00 
13 
12 
0000 
0-000 
7-433 
3114 
0 000 
o-oo 
0-00 
0-19 
012 
000 
14 
12 
2198 
0 000 
10-457 
5-461 
2-159 
006 
0-00 
0-26 
022 
0-12 
15 
12 
3-535 
0-000 
11-472 
6 754 
2-025 
010 
000 
0 29 
0-27 
0 1 1 
16 
12 
4-749 
0-000 
10 787 
2011 
2156 
014 
0-00 
0-27 
0-08 
012 
17 
12 
7-771 
2-881 
21-923 
11-698 
4-078 
0-22 
0-14 
055 
0-46 
023 
18 
12 
44-972 
25-868 
33-496 
7-822 
9-742 
1-30 
1-24 
0-84 
0-31 
0-54 
19 
12 
48-941 
13-587 
51-874 
25-168 
16-693 
1-41 
0-65 
1-29 
1-00 
0-93 
20 
12 
41-231 
23-262 
64-509 
40-914 
18-695 
1-19 
1-11 
1 61 
1-62 
1 04 
21 
12 
73-392 
51-357 
78-574 
69-518 
61-456 
2-12 
2-46 
1-96 
2-75 
3-42 
22 
12 
65-552 
53-587 
119-854 
78-239 
65-378 
1 89 
2-57 
2-99 
309 
3-64 
23 
12 
125-160 
71-600 
97152 
68-135 
65-226 
3-61 
3-43 
2-40 
2-70 
3-63 
0 
12 
109-060 
83-193 
102-258 
69272 
52-325 
3-15 
3-99 
2-55 
274 
2-91 
1 
12 
113 927 
75-811 
84-736 
60-539 
33-296 
3-29 
3-63 
2-11 
2-39 
1 85 
2 
12 
90-291 
47-939 
58-058 
46-296 
22-661 
2-60 
2-30 
1-45 
1-83 
1-26 
3 
12 
39-807 
16-962 
55-962 
29-424 
24-285 
1*15 
0-81 
1-40 
1-16 
1-35 
3 T) 
MDCOCLXIX. 
