Table II. ( b) (3 ).—Fourier Coefficients of the Solar Diurnal Magnetic Variation at the Solstices. 
( b ) Sunspot Minimum, 1902. 
(3) The 8-hour Component. 
DIURNAL VARIATIONS OF TERRESTRIAL MAGNETISM, 
87 
Radial. 
r-O 
Winter. 
<M CO 
1 1 
^ co co 
1 1 1 
CM Ol 
1—H 
1 1 
0 
r-H 
1 
r-H 
r-H 
1 
0 i— 
1 
0 
OO rH 
(M 
1 
Summer. 
SO 
H co 0 
1 1 
r-H r-H 
l 
r-H 
' 
CM 
r-H 
1 
05 
CO r-H 
1 1 
00 
1 
0 0 
S3 
Winter. 
r-H 
lO T* D- 
0 so 
r-H 
O 
r-H 
rH 
' 
r-H JO 
r-H r-H 
0 
(M 
1 
<yj co 
CM 
1 
Summer. 
L— SO 
i— H 
CM lO SO 
CM CM 
rH GO 
<M l-H 
24 
r-H 
CM GO 
CO rH 
H+l 
rH 
1 
^ O 
North. 
• _ . 
co 
<D 
a 
Cl 0 0 
t—H 
£— ^ SO 
r—H r—H r-H 
CM SO 
r-H 
0 SO 
(M CM 
CM 
rH SO 
CM CM 
1 1 
CO 
CM 
1 
CM 40 
CO CM 
1 
0 
hJ 
5 
m 
CM ^ O 
CM —1 CO 
CM SO <M 
CM CO r-H 
r-H 
(M h+h 
CM 05 
O co 
CO 
O r-H 
r-H r-H 
1 1 
00 
r-H 
1 
05 1- 
CM CM 
1 
CO 
S3 
Winter. 
Cl O N 
r-H r-H 
1 1 1 
O ^ CO 
rH r-H 1—H 
1 1 1 
O 
r-H r-H 
1 1 
4- O 
CM CO 
1 1 
CM O 
1 
6 
27 
22 
05 CO 
CM CO 
1 
Summer. 
CO -H CO 
1 1 1 
co 0 0 
CM 
1 1 1 
O 05 
CM 
10 0 
I“H 
1 
CM CO 
SO r-H 
O CO 
CM cm 
24 
co u- 
<M rH 
1 
-4-3 
<0 
CO 
Winter. 
O O 
»-H ^ 
r-H r-H r-H 
»o *0 
CM GO 
CO CM 
CM 05 
CM 
r-H ^H 
r-H M 
-28 
cM CO 
4- lO 
1 1 
Summer. 
CO CO 
co < co 
H 00 
CM CO r-H 
GO CO 
<M CO 
t— GO 
r-H r-H 
CM CO 
t— 40 
-23 
lO 40 
co CM 
1 1 
CO 
S3 
Winter. 
05 O CM 
rH C5 N 
CM *“H 
1 - O 
CM CM 
D- 40 
r-H t-H 
CO 05 
1 
GO 10 
1 
r-H 
CM 
1 
D- O 
O'! 
1 1 
Summer. 
-rf r-H 
CM CO r-H 
CM GO h+c 
H CO 
CM L- 
lO 
10 00 
lO 40 
0 
69 
56 
05 
CM 
r-H CO 
Observatory 
No. 
H (M CO 
10 so 
t- GO 
05 0 
r-H 
r-H (M 
r-H r-H 
CO H 0 
r-H r-H 1 — H 
SO U— 
r-l r-H 
GO 05 O 
H H Cl 
Group No. 
HH 
HH 
HH 
4? 
hH 
l-H 
t> 
l-H 
A 
HH 
> 
TIA 
TIIA 
