Vertical Component of Magnetic Foece, 1845. 
23 
TABLE XLI. — Mean Difference of a Single Observation of the Balance Magnetometer from the 
Monthly Mean at the corresponding hour, for each Civil Day and Week in 1845. 
Civil 
Day. 
J an. 
Feb. 
i ay. 
June 
— ■ 
Till V 
Aug. 
oeu I. 
jVov, 
Dec. 

Mic. Div. 

Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Div. 
Mic. Dir. 

Mic. Div. 

Mic. Div. 
Mic. Div. 
Mic. Div. 

Mic. Div. 
^ — 
Mic. Div. 
1 
14-4 
1 9 
1 D-^ 
1 9 Q 
1 z-y 
DO'O 
n 4 81 
[14-SJ 
9A 4 
ZU-4 
9^ 7 
Zo* / 
14 7 
14*/ 
1 8 Q 
1 0*0 
A A a 
14*0 
C Q 
2 
z4-o 
ri Q n1 
ri o 91 
a 7 
1^8 
lo-o 
7 1 
/ - 1 
17 1 
1 / • 1 
0 1 *U 
QA 9 
OU*Z 
0*0 
ri A /11 
[19*4] 
Q 
O 
T Q *7 
lo-/ 
1 7.9 
1 ^.8 
lo-o 
10-/ 
1 1 .4 
S.Q 
1 1 n 
1 1 *u 
r 1 fi.fii 
[10*0J 
4 0. '9 
4U* Z 
1 fi 7 
ID*/ 
8 4 
0*4 
Q 1 Q 
A 
4 
lo-/ 
1 1 .7 
1^4 
liJ-i 
r9fi.8i 
zo-z 
14.^ 
1 4:*0 
1 ^.9 
1 o*z 
^0 8 
OU*o 
0*0 
99 8 
zz*o 
A 1 1 
5 
ri n 
^7.8 
1 o-t> 
1 fi.Q 
1 D-y 
ZO'O 
1 4.1 
It;* 1 
1 4.9 
1tl*Z 
11.9 
1 1 *z 
91 .7 
Zl*/ 
n 1 71 
L11-/J 
4 7 
4 / -O 
6 
lo-y 
0 1 A 
^1-D 
14-D 
ri 4 1 1 
[14-iJ 
99 7 
4 
4*0 
ri 1 81 
7 Q 
/ -y 
QA Q 
ou*y 
91 Q 
Zl -O 
z4*o 
/D* 1 
1 1 n 
1 1 -u 
1 1 .7 
1 d. 9 
1 n.^ 
1 U-O 
94.0 
fi.7 
D* / 
1 n.Q 
D*0 
r90.71 
[ZU*/J 
118 
1 1 -O 
119 
1 1 -Z 
8 
14-D 
1 U-o 
lU-D 
Q 9 
97 A 
n A 91 
y*D 
19 9 
1 Z*Z 
9A ^ 
zU*o 
R 1 
0- 1 
1 7 
15*7 
00 A 
9 
44-0 
n 1 91 
[11 -2] 
r 1 9 Q1 
1 y-o 
1 
lo-o 
1 9 
1 o-z 
1 A A 
1 U*D 
1 9 Q 
1 z*y 
Q 8 
y*o 
1 4 A 
14-y 
ri 0 71 
[12*7] 
1 /I .) 
14*2 
1 f\ 
1 y-4 
0-0 
O-D 
1 n.fi 
1 u-o 
10 8 
1 U-o 
1 9.^ 
1 z-o 
1 9.8 
1 z*o 
[l.j*lj 
1 0.7 
1 U* / 
9Q 4 
zy-4- 
a 9 
0*z 
8 A 
o*4 
1 1 
1 o-O 
7 Q 
/ -y 
IIS 
1 1 -o 
1 0*4 
n fi.^1 
[lO-Oj 
7. 9 
/ ■ z 
o*o 
1 fi Q 
1 o*y 
1 9. '1 
1 Z* 0 
1 fi Q 
i o*y 
1 1 Q 
11*0 
117 
11*/ 
1 o 
ri s <iT 
1 n 1 
1 A n 
1 fi 9 
S.Q 
1 y *o 
1 4.4 
1 '?.9 
i 0 * z 
n 8 A1 
7 A 
/•O 
5* / 
1 o 
13 
1 ^•D 
7 /I 
/ -4 
Q /I 
0-4 
roQ 11 
1 4 Q 
14-y 
1 9 
lo-z 
n Q Qi 
1 Q 
1 o*y 
8 ^ 
O-O 
Q 7 
0*/ 
1 1 Q 
1 1*0 
OA 1 
zU* 1 
1 A 
I'k 
119 
o-o 
0.4. 
oO-O 
1 o -u 
1 fi.fi 
1 u • u 
low 
n 9. 71 
Liz*/j 
90.1 
ZL/* 1 
1 O.Q 
1 u*y 
n 0 
15 
y-4 
Q /I 
y-4 
1 A /I 
1 U-4 
R 7 
O- / 
18 4 
lo-4 
n A1 
[13-UJ 
1^9 
1 o*z 
9A 9 
ZU*^ 
1 7 
10*/ 
1 7 A 
1 / *y 
A 9 
y*2 
0*D 
16 
9-D 
ri A n1 
r Q 71 
L y-7j 
R A 
1 Q Q 
lo-o 
1^7 
1 O- / 
1 o*y 
94 A 
Z4*4 
1 4 
10*4 
4 ^; 
4*0 
Til IT 
[11*1] 
1 A £.* 
10*0 
1 7 
1 1 "O 
/ '4: 
1 1 .Q 
i 1-y 
19 4 
1 Z-^ 
1 9 ^ 
1 Z-O 
lo-z 
4.8 
n fi.81 
1 0.7 
i u* / 
1 9 1 
1 Z* 1 
7 A 
/-4 
1 Q 
Q a 
y-o 
1 n 9 
8 1 
o- 1 
14^ 
14-0 
n fi 81 
1 7.S 
1 / -0 
1 o*.j 
90. 1 
ZU* 1 
■^fi.fi 
00*0 
I 1 Q 
I I *y 
T n *7 
0-0 
Too O"] 
1 7.0 
i / -U 
1 0.9 
1 ^ 
10-0 
oo-u 
1 ';.4 
1 o*^ 
1 9.0 
1 Z'U 
1 9.0 
1 z*u 
91 
z 1 *o 
n 4 ^1 
L14*dJ 
Q A 
8-4 
OA 
ZU 
oy-4 
1 Q 9 
1 y*z 
44 A 
44-U 
n 9 41 
[12-4J 
14 4 
1 4*4 
1 1 
10-1 
[1U*3J 
114 
1 4 Q 
1 4 * y 
1 9 
1 o*z 
t n 0 
7*z 
O 1 
lU-O 
1 fi. 1 
1 7.Q 
1 / -y 
19 7 
1 /£• / 
Q.9 
y-z 
91 .8 
z i -o 
4.8 
•±•0 
1 4. 1 
Liy*yj 
1 Q.fi 
1 y *o 
f 1 A Al 
22 
9-2 
11-2 
16-2 
10-3 
8-5 
[12*0] 
12*3 
11-5 
11*4 
24*3 
10*2 
10-0 
23 
8-4 
[25-1] 
[27-4] 
9-3 
11-4 
4*4 
14-2 
12-6 
17*1 
6*5 
[12*9] 
12-8 
24 
25-7 
34-4 
35-9 
9-0 
10-0 
8*7 
19-6 
[12-5] 
17*7 
10*4 
14*5 
16*0 
25 
14-8 
41-0 
33-7 
23-1 
[ 9-9] 
6-6 
58-6 
14*1 
69*3 
14*5 
11-4 
34*1 
26 
[17-8] 
28-6 
16-6 
12-0 
9-2 
6-4 
6*3 
13*2 
19*8 
[11-8] 
23-9 
39*6 
27 
10-6 
8-8 
16-0 
[22-7] 
10-0 
5-7 
[17*4] 
9*4 
15*4 
10*4 
40-1 
28*7 
28 
14-8 
8-3 
9-9 
51-2 
10-3 
9*8 
5*2 
13*7 
[26*6] 
15*4 
32-8 
[30*4] 
29 
32-8 
11-3 
21-8 
12-2 
[13-2] 
9*5 
33*2 
15*4 
13*6 
34*0 
19*3 
30 
13-8 
[12-3] 
19-2 
12-2 
19-8 
5*3 
46*7 
21*3 
15*9 
[35*.3] 
34*2 
31 
19-4 
14-9 
25-5 
12*5 
[29*8] 
7*4 
26-7 
i 
TABLE XLII.- — Mean Difference of a Single Observation of the Balance Magnetometer from the 
Monthly Mean at the corresponding hour, with reference to the Moon's Age and Declination, 
for 1845. 
Moon's 
Age. 
Mean 
Difference. 
Moon's 
Age. 
Mean 
Difference. 
After 
Moon 
farthest 
North. 
Mean 
Difference. 
After 
Moon 
farthest 
North. 
Mean 
Difference. 
Day. 
Mic. Div. 
Day. 
Mic. Div. 
Day. 
Mic. Div. 
Day. 
Mic. Dir. 
15 
13*3 
0 
17*6 
0 
12-5 
14 
17-2 
16 
14*5 
1 
17-8 
1 
17-5 
15 
11*4 
17 
15*8 
2 
15-3 
2 
14*2 
16 
14*5 
18 
15*4 
3 
13-5 
3 
25*7 
17 
29*6 
19 
14*9 
4 
18-8 
4 
15-4 
18 
17*8 
20 
14*6 
5 
17-5 
5 
16*1 
19 
15*2 
21 
20*2 
6 
18-2 
6 
14*3 
20 
18*2 
22 
14*7 
7 
14-0 
7 
16*7 
21 
13*3 
23 
16*0 
8 
19*8 
8 
18*7 
22 
13*4 
24 
18*3 
9 
14*5 
9 
19*3 
23 
18*5 
25 
20*0 
10 
12*4 
10 
21*2 
24 
11*3 
26 
15*4 
11 
12*8 
11 
17*5 
25 
13*8 
27 
17*9 
12 
22*2 
12 
14*9 
26 
13*3 
28 
21*0 
13 
15*5 
13 
15-5 
27 
14-3 
1 
21*0 
14 
15*2 
