MAGNETIC PHENOMENA AT THE KEW OBSERVATORY. 
Table VII. — Ratios of the Values of the Disturbances increasing the Vertical Force in 
the different Months to the Values of those which decrease it. 
Months. 
Ratios. 
January 
4-83 
February 
1-91 
March 
2-70 
April 
1-53 
May 
1-44 
June 
2-32 
July 
August 
1-47 
September 
1-14 
October 
1-41 
November 
1-83 
December 
2-82 
Table VIII. — Aggregate Values of the disturbed observations distributed into the several 
hours of their occurrence, together with the ratios of the values at the different 
hours to the mean hourly value, or average of all the hours. 
Kew 
Astrono- 
mical Time. 
Years ending 
December 31. 
Sums in 
the 6 years. 
Ratios. 
Kew Civil 
Time. 
1859. 
1860. 
1861. 
1862. 
1863. 
1864. 
h 
in. 
in. 
in. 
in. 
in. 
in. 
in. 
h 
18 
14-551 
11-978 
6-583 
11-094 
5-876 
8-070 
58-152 
073 
6 A.M. 
19 
16-009 
8-444 
5-071 
9-645 
4-320 
7-515 
51-004 
0-64 
7 „ 
20 
13 101 
8-325 
3-499 
9 714 
2-311 
6-235 
43-185 
0-54 
8 „ 
21 
14-957 
8-977 
3-975 
10-247 
2-563 
5-016 
45-735 
0-58 
9 ,, 
22 
15-045 
10-278 
5-175 
9-981 
2-249 
3-970 
46-698 
0-59 
10 „ 
23 
16-800 
7-892 
6-645 
11-849 
2-925 
4-322 
50-433 
0-64 
11 „ 
0 
19-440 
9-785 
6-940 
11-117 
2-487 
4-713 
54-482 
0-69 
Noon. 
1 
20-729 
13-009 
7-933 
14-418 
6-098 
6-946 
69-133 
0-87 
1 P.M. 
2 
31-517 
19-449 
11-005 
16-148 
8-546 
9-820 
96-485 
1-22 
2 „ 
3 
32-969 
25-802 
14-167 
20-785 
12-787 
12-538 
119-048 
1-50 
3 „ 
4 
36-217 
32-044 
15-142 
24-823 
13-913 
15-888 
138-027 
1-74 
4 „ 
5 
45-483 
31-387 
16-138 
25-744 
14-056 
17*958 
150-766 
1-90 
5 „ 
6 
34-717 
28-297 
18-006 
24-216 
11-704 
15-393 
132-333 
1-68 
6 „ 
7 
31-013 
22-343 
16-719 
17-181 
9-966 
11-246 
108-468 
1-37 
7 „ 
8 
23-175 
15-562 
13-302 
18-555 
7-017 
7-319 
84-930 
1-07 
8 „ 
9 
18-584 
9-533 
10-972 
13-430 
4-150 
4-788 
61-457 
0-77 
9 „ 
10 
15-579 
6-106 
5-173 
10-491 
5-493 
6-773 
49*615 
0-63 
10 „ 
1 1 
17-209 
7-469 
6-915 
13-952 
6-137 
11-551 
63-233 
0-80 
11 „ 
12 
20-943 
13-942 
7-986 
12-890 
6-758 
14-557 
77-076 
0-97 
Midnight. 
13 
23-557 
12-339 
7-568 
14-570 
7-970 
16-748 
82-752 
1-04 
1 A.M. 
14 
21-794 
14-275 
11-700 
16-408 
10-642 
13-797 
88-616 
1-12 
2 „ 
15 
20-058 
17-943 
10-057 
15-135 
10-149 
13-039 
86-381 
1-09 
3 „ 
16 
19-309 
13-910 
8-985 
14-030 
8-385 
11-136 
75-755 
0-95 
4 „ 
17 
17-479 
15-119 
6-969 
12-340 
8-210 
9-259 
69-376 
0-87 
5 „ 
Total in the 6 years 
1903-140 
Mean hourly value 
1903-140. 
24 
79-297 = 1-00 
Tables IX. and X. exhibit the aggregate values at the different hours, separated into 
