Results of Makeestoun Observations, 1845. 
TABLE XIII. — Mean Difference of a Single Observation of the Magnetic Declination from the 
Monthly Mean at the corresponding Hour, for each Hour in each Month of 1845. 
Mak. 
M. T. 
Jan. 
J: eD. 
jVIarcn. 
April. 
May, 
June. 
July. 
Aug. 
oept. 
uct. 
Nov. 
Dec. 
Tear. 
h. 
•J 1 o 
1 Q Q 
O 1 *7 
O Q 1 
A Qfi 
1'D4 
O A/^ 
z-oy 
O Q Q 
Z'OO 
1 Q/1 
1 •oo 
2-04 
J .J 
O-OZ 
O 01 
1 1/1 
1-14 
1 /I A 
i'4y 
O OQ 
1 AQ 
O 1 A 
1 1 Q 
1 C A 
l-o9 
Oil 
Z-1 1 
14 
1 DO 
O 1 A 
Z- J (J 
1 Q^; 
I'OD 
1 A/1 
O OA 
O A 1 
O A/1 
1 
I'DO 
111 
I'll 
2-07 
15 
1'21 
z-44 
o /?o 
I'OO 
!•! 1 
1 OA 
1 AO 
i*yz 
O /I o 
Z^4Z 
1 Q Q 
1 AO 
I'UZ 
1^86 
Id 
1 O 
1 no 
1 -99 
1 i^f\ 
n A^ 
1 0*7 
1-Z/ 
1 A 
1 -yo 
1/11 
1 -Do 
1 AQ 
I'OO 
1 - 1 \ 
17 
1-29 
1-09 
1-4d 
I'OD 
1 0*7 
1-27 
1 Q Q 
O /t *7 
1 A A 
1 AQ 
1 -yo 
1 Q A 
A QQ 
A TO 
1 o T 
1 o 
1/11 
1 o o 
AOS 
1 OQ 
1-Zo 
1 AQ 
1 Q Q 
Z'D / 
1 QT 
1 1 *7 
1 1 1 
l'4i 
19 
I'DD 
0-71 
A AC 
1 OO 
1 Q O 
1-OZ 
O QA 
O AT 
1 Q/1 
l*o4 
A nn 
i^37 
OA 
i*5o 
1 oo 
1'41 
1 K A 
1 o 
Q 1 Q 
0 Q 1 
Z'O 1 
1 /I 
1 "40 
1 OQ 
1 £! O 
O 1 
21 
1-33 
1-57 
A Q/1 
1 /I /I 
1-4/ 
1 •oo 
O Q*7 
z*o / 
O AO 
z*uz 
1 Q A 
O 1 
1 Q 1 
1 CCk 
1^d2 
2,1 
1-27 
1-26 
1 oo 
1-ZS 
A 
1 CO 
1 •da 
1'07 
1 QQ 
I'oy 
1 /I Q 
i*4y 
1 AQ 
i-yo 
1 QT 
1 AC 
ZO 
1-40 
1-60 
1 oo 
1 -Zo 
A Q y 
1 TO 
l-7o 
1 TQ 
1 /I 
1*40 
1 -Dz 
1 •£)0 
I'OO 
1 AO 
l'4o 
r\ 
U 
1 A C\ 
„1-4U 
1 O /I 
1 Q i 
1*77 
1 /I A 
1 -41) 
1 Q A 
1 '40 
1 /I Q 
1 '4o 
1 Al 
1-4/ 
1 QT 
1 ^y / 
1 QA 
l-o2 
1 
1-89 
1 Q O 
i-oy 
1 /I Q 
O AO 
1 c: /I 
1-54 
1 A 
1 •40 
O AQ 
1 ^Ci 
I'OO 
O AA 
O 1 A 
1 
J 1'77 
1-47 
1 /I 
1 'D Z 
o oo 
1 /IT 
1 Q A 
1 0/1 
i-y4 
1 •Oo 
1 
1 •yo 
O A/1 
Z'U4 
1 QQ 
1 •Ob 
1 1 
1-/ 1 
3 
1-55 
2-34 
1-37 
1-60 
1-75 
1-70 
1-38 
1-94 
1-87 
1-81 
1-82 
2^02 
1-76 
4 
1-20 
1-67 
1-24 
1-37 
1-71 
1-42 
110 
1-69 
1-54 
1-33 
2-52 
1-58 
1^53 
5 
1-64 
1-90 
1-70 
M6 
MO 
1-23 
0-91 
M7 
MO 
1-23 
2-67 
1^73 
1-46 
6 
1-52 
3-40 
2-64 
1-50 
0-87 
0-78 
0-96 
2-55 
2-43 
0-66 
1-33 
3^45 
1-84 
7 
2-46 
3-02 
1-95 
1-47 
0-78 
0-75 
0-92 
1-30 
2-38 
0-64 
2-38 
b53 
L63 
8 
1-96 
2-52 
1-64 
2-20 
0-92 
0-60 
1-02 
0-89 
2-50 
0-82 
1-48 
2^39 
1-58 
9 
2-79 
2-46 
3-25 
1-60 
1-22 
0-70 
1-36 
2-57 
2-65 
2-36 
1-67 
1^94 
2-05 
10 
2-62 
1-59 
2-55 
1-21 
0-88 
0-79 
0-68 
1-99 
2-23 
2-80 
2-90 
1-93 
1-85 
11 
3-68 
1-39 
1-55 
1-39 
1-26 
0-92 
MO 
1-63 
2-40 
3-20 
1-84 
1.71 
1-84 
1 
TABLE XIV. — Number of Positive and Negative Differences which occur between the limits of 
successive Minutes, for each Month, and for the Year 1845. 
Month. 
0' 
to 
1' 
to 
2' 
to 
3' 
to 
4' 
to 
5' 
to 
6' 
to 
7' 
to 
8' 
to 
9' 
to 
10' 
to 
15' 
to 
20' 
to 
25' 
to 
Above 
30'. 
1'. 
2'. 
3'. 
4'. 
5'. 
6'. 
r. 
8'. 
9'. 
10'. 
15'. 
20'. 
25'. 
30'. 
Jan. 1 + 
121 
90 
92 
27 
u 
5 
1 
2 
2 
2 
1 
130 
85 
33 
11 
5 
4 
4 
5 
5 
2 
4 
3 
3 
Feb. 1 + 
114 
107 
41 
16 
11 
9 
2 
2 
1 
2 
120 
87 
22 
15 
6 
5 
2 
3 
2 
2 
3 
2 
2 
March | 
135 
115 
49 
27 
4 
3 
4 
2 
2 
1 
126 
64 
42 
13 
11 
6 
7 
8 
2 
2 
1 
April 1 + 
146 
112 
44 
23 
7 
5 
3 
1 
147 
70 
34 
12 
2 
3 
5 
1 
1 
2 
3 
1 
1 
1 
May 1 + 
171 
111 
35 
14 
3 
3 
1 
2 
1 
1 
3 
134 
83 
43 
27 
6 
4 
3 
1 
2 
•June 1 + 
160 
72 
27 
15 
7 
3 
2 
1 
162 
97 
40 
10 
3 
1 
July 1 + 
147 
124 
29 
5 
4 
1 
1 
1 
3 
4 
1 
... 
163 
94 
35 
20 
9 
2 
1 
1 
1 
2 
Aug. 1 + 
120 
120 
31 
18 
10 
8 
8 
2 
3 
1 
1 
1 
115 
86 
42 
32 
8 
7 
3 
3 
3 
1 
I 
Sept. 1 + 
97 
108 
61 
32 
9 
3 
4 
1 
7 
2 
108 
72 
65 
24 
8 
2 
9 
3 
2 
a 
1 
1 
Oct. 1 + 
123 
93 
46 
24 
8 
5 
3 
2 
1 
1 
3 
168 
98 
42 
13 
2 
3 
3 
1 
3 
2 
2 
2 
Nov. 1 + 
120 
78 
43 
19 
7 
8 
4 
2 
3 
4 
126 
98 
41 
27 
8 
3 
2 
2 
1 
2 
2 
Dec. 1 + 
117 
110 
37 
19 
5 
4 
5 
1 
3 
1 
I 
153 
108 
20 
6 
7 
4 
5 
3 
1 
1 
2 
5 
Year | + 
1601 
1240 
535 
239 
86 
57 
38 
18 
26 
6 
22 
3 
1652 
1012 
459 
210 
75 
43 
45 
31 
18 
11 
30 
14 
6 
4 
I 
