MAGNETIC PHENOMENA AT THE IvEW OBSEEVATOEY. 
313 
Tables VIII. and IX. exhibit the aggregate values at the different hours separated 
into disturbances increasing the Force and disturbances decreasing the Force, and also 
the ratios of the values at each hour of both kinds of disturbance to their respective 
mean hourly values. 
Table VIII. — Disturbances increasing the Force. 
Row 
Astrono- 
mical 
hours. 
Years ending December 31. 
Sums in 
the 7 years. 
Ratios. 
Kew Civil 
Time. 
1858. 
1859. 
1860. 
1861. 
1862. 
1863. 
1864. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
18 
1-654 
1-537 
2-476 
0-691 
1-262 
0-645 
0-392 
8-657 
0-57 
6 A.M. 
19 
1-452 
1-644 
3-358 
0-540 
1-059 
0-562 
0-369 
8-984 
0-60 
7 „ 
20 
1-660 
2-091 
2-663 
0-538 
1-216 
0-519 
0-473 
9-160 
0-61 
8 „ 
21 
1-559 
2-550 
2-627 
1-303 
1-955 
0-154 
0-163 
10-311 
0-68 
9 „ 
22 
2-660 
2-542 
2-912 
1-198 
1-491 
0-821 
0-506 
12-130 
0-81 
10 „ 
23 
3-634 
3-140 
2-971 
1-614 
1-002 
0-690 
0-680 
13-731 
0-91 
n „ 
0 
3-127 
3-111 
2-973 
1-967 
1-497 
0-156 
0-362 
13-193 
0-88 
Noon. 
1 
3-920 
4-631 
2-781 
1-794 
1-961 
0-667 
0-5 1 3 
16-267 
1-08 
1 P.M. 
2 
3-020 
6-038 
5-121 
0-877 
2-425 
0-869 
0-853 
19-203 
1-27 
2 „ 
3 
4-488 
9-391 
10-419 
1-719 
2-576 
1-052 
0-748 
30-393 
2-02 
3 „ 
4 
5-383 
8-398 
8-438 
2-792 
2-180 
1-829 
1-540 
30-560 
2-03 
4 5 5 
5 
7-524 
11-107 
10-866 
1-940 
3-060 
1-520 
1-461 
37-478 
2-49 
5 „ 
6 
6-307 
4-764 
6-232 
2-903 
2-518 
1-895 
1-243 
25-862 
1-72 
6 „ 
7 
4-433 
4-139 
3-183 
0-951 
1-371 
0-709 
1-815 
16-601 
1-10 
7 „ 
8 
1-945 
2-538 
2-197 
0-742 
3-318 
1-032 
1-380 
13-152 
0-87 
8 „ 
9 
2-044 
1-787 
1-217 
1-333 
3-004 
1-537 
1-405 
12-327 
0-82 
9 „ 
10 
1-633 
1-771 
1-305 
0-565 
2-008 
1-560 
1-397 
10-239 
0-68 
10 „ 
11 
3-818 
2-571 
2-335 
0-929 
1-611 
0-747 
1-480 
13-491 
0-90 
11 „ 
12 
2-366 
2-088 
1-885 
0-514 
2-370 
0-596 
1-229 
11-048 
0-73 
Midnight. 
13 
1-981 
1-535 
2-645 
0-320 
1-703 
0-335 
0-836 
9-355 
0-62 
1 A.M. 
14 
2-991 
2-224 
2-296 
0-000 
1-357 
0-712 
0-458 
10-038 
0-67 
2 „ 
15 
3-070 
1-111 
2-006 
0-629 
1-879 
1-132 
0-599 
10-426 
0-69 
3 
16 
2-221 
1-862 
1-566 
0-746 
1-754 
0-594 
0-380 
9-123 
0-61 
4 „ 
17 
2-059 
2-686 
1-642 
0-616 
1-765 
0-859 
0-150 
9-777 
0-65 
5 „ 
Total in 
the 7 years 
361-506 
Mean hourly value — — =. 15-063=:l-00 
" 24 
