30 
Results of Makerstoun Observations, 1846. 
TABLE LIII. — Diurnal Range of Magnetic Declination for each Civil Day, as deduced from 
the 12 Daily Observations, with the Means for each Week in 1846. 
Civil 
JJay. 
Jan. 
Feb. 
March. 
April. 
May. 
June. 
July. 
Aug. 
Sept. 
Oct. 
Nov. 
Dec. 
1 
8-95 
[9-42] 
[11.41] 
13-45 
9-86 
10-20 
13-99 
12-99 
13-50 
22-38 
[11-16] 
13-35 
2 
3-09 
12-06 
10-35 
12-31 
1 2-03 
14-45 
25-19 
[14-24] 
12-23 
27-85 
18-10 
8-08 
3 
3-47 
5-65 
9-11 
15-86 
[14-24] 
12-17 
10-20 
9-67 
10-55 
8-86 
10-43 
7-34 
4 
[6-74] 
8-63 
15-57 
12-91 
29-73 
11-05 
13-89 
12-93 
24-14 
[16-76] 
5-34 
11-48 
5 
5-60 
4-37 
8-09 
[18-23] 
12-41 
12-65 
[16-19] 
12-84 
23-58 
7-98 
10-37 
4-38 
6 
7-01 
4-65 
7-21 
32-41 
8-78 
12-79 
18-86 
21-03 
[15-85] 
16-42 
5-37 
[9-44] 
7 
12-34 
9-38 
7-62 
20-08 
14-54 
[13-77] 
15-44 
23-79 
7-78 
17-09 
23-50 
3-40 
8 
8-01 
[6-45] 
[7-69] 
15-80 
13-37 
17-81 
13-54 
13-44 
17-78 
31-31 
[11-57] 
4-60 
9 
5-61 
8-57 
6-82 
1319 
16-20 
14-60 
12-75 
[16-11] 
11-29 
13-63 
8-88 
25-43 
10 
3-85 
7-47 
7-33 
11-09 
[16-36] 
13-75 
11-98 
12-64 
10-95 
14-40 
6-58 
14-20 
11 
[8-25] 
4-26 
9-06 
14-43 
11-86 
13-26 
22-48 
11-98 
36-61 
[16-93] 
14-70 
6-12 
12 
13-10 
12-42 
1509 
[17-20] 
28-51 
13-24 
[14-65] 
13-81 
11-85 
18-43 
6-39 
8-36 
13 
7-43 
3-93 
22-81 
17-91 
13-67 
21-47 
15-57 
9-22 
[16-50] 
15-47 
9-44 
[6-88] 
14 
11-50 
10-25 
21-57 
28-64 
11-13 
[14-89] 
13-96 
17-21 
14-97 
8-34 
10-70 
3-90 
15 
4-99 
[12-91] 
[19-86] 
17-93 
12-57 
18-88 
11-17 
17-96 
13-08 
6-60 
[9-04] 
5-18 
16 
8-69 
2717 
20-51 
34-78 
10-33 
9-84 
14-26 
[14-03] 
11-53 
8-38 
7-05 
3-50 
17 
19-29 
10-54 
20-40 
15-89 
[11-65] 
12-66 
8-21 
15-84 
13-34 
9-48 
14-04 
4-92 
18 
1 [8-47] 
13-18 
18-80 
1329 
11-61 
10-62 
17-32 
13-40 
14-72 
[9-37] 
6-64 
9-76 
19 
7-94 
8-10 
10-10 
[17-04] 
12-94 
7-31 
[11-04] 
10-57 
19-79 
8-73 
5-10 
3-71 
20 
3-95 
9-99 
14-62 
12-96 
11-34 
17-37 
9-23 
14-13 
[25-36] 
12-67 
14-39 
[6-75] 
21 
5-95 
8-19 
12-07 
11-92 
16-46 
[12-38] 
7-34 
14-54 
31-82 
10-37 
716 
4-66 
22 
6-66 
[7-52] 
[12-08] 
13-39 
17-90 
15-08 
9-91 
16-18 
56-45 
25-06 
[7-11] 
5-25 
23 
4-60 
3-61 
10-39 
13-80 
17-32 
12-11 
13-79 
[15-38] 
16-05 
9-76 
4-36 
12-21 
■ 24 
36-83 
4-24 
12-72 
1313 
[15-25] 
11-79 
15-30 
15-87 
20-01 
17-25 
6-87 
12-27 
25 
[12-46] 
11-00 
12-60 
10-22 
11-51 
11-36 
18-26 
16-20 
10-74 
[13-56] 
4-80 
9-12 
26 
5-20 
9-29 
21-45 
[11-78] 
15-79 
13-31 
[15-74] 
15-24 
8-82 
10-48 
25-96 
8-51 
27 
11-48 
14-76 
15-21 
12-08 
12-54 
14-59 
13-16 
17-30 
[11-78] 
9-78 
12-18 
[9-13; 
28 
10-01 
9-40 
14-14 
8-86 
13-36 
[14-10] 
14-16 
20-02 
13-64 
9-02 
12-32 
10-87 
29 
1003 
[16-13] 
12-60 
16-79 
13-65 
19-79 
16-54 
8-14 
9-02 
[13-17] 
9-52 
30 
13-46 
17-73 
12-63 
19-55 
17-68 
21-09 
[15-22] 
9-32 
12-07 
7-14 
4-49 
31 
6-71 
14-80 
[14-42] 
15-92 
11-73 
12-01 
5-62 
TABLE LIV. — Means of the Diurnal Ranges of Magnetic Declination, with I'eference to the Moon's 
Age and Declination, for 1846. 
xVfter 
After 
Moon's 
Mean 
Moon's 
Mean 
Moon 
Mean 
Moon 
Mean 
Age. 
Range. 
Age. 
Range. 
farthest 
Range. 
farthest 
Range. 
North. 
North. 
Day. 
Uay. 
Day. 
Day. 
15 
13-22 
0 
12-83 
0 
10-58 
14 
12-31 
16 
13-75 
1 
12-90 
1 
12-43 
15 
15-51 
17 
14-16 
2 
17-93 
2 
11-22 
16 
11-43 
18 
16-66 
3 
12-22 
3 
11-82 
17 
10-21 
19 
13-34 
4 
12-95 
4 
11-26 
18 
11-73 
20 
16-31 
5 
12-44 
5 
14-33 
19 
13-44 
21 
15-74 
6 
12-58 
6 
13-08 
20 
1601 
22 
13-05 
7 
12-49 
7 
12-45 
21 
13-36 
23 
11-55 
8 
14-42 
8 
14-73 
22 
12-10 
24 
11-42 
9 
12-37 
9 
14-34 
23 
12-86 
25 
10-14 
10 
12-71 
10 
18-68 
24 
11-64 
26 
10-43 
11 
12-92 
11 
1301 
25 
12-30 
27 
12-52 
12 
12-59 
12 
14-37 
26 
15-86 
28 
11-71 
13 
11-75 
13 
14-20 
27 
11-66 
29 
11-94 
14 
13-25 
