306 
Transactions of the Boyal Society of South Africa. 
TABLE 1. 
Hourly Vabiation in Millimetbbs op the Hoeizontal 
Midn't 
I. 
11. 
III. 
IV. 
V. 
VI. 
VII. 
VIII. 
IX. 
X. 
XI. 
1903 
May 
June 
July 
Aug. 
Sept. 
Oct. 
Not. 
Dec. 
1904 
Jan. 
Feb. 
Mar. 
April 
May 
June 
July 
Aug. 
Sept. 
Oct. 
Not. 
Dee. 
1905 
Jan. 
Feb. 
Mar. 
April 
May 
June 
July 
Aug. 
Not. 
Dec. 
'(V 
1906 
Jan. 
Feb. 
1-0 W 
1-2 
1-5 
1-9 
1-9 
1- 9 
2- 5 
I'O 
0-8 
0-0 
0-9 
0-8 
0- 8 
0'7 
10 
1- 5 
1-4 
1- 5 
2- 0 
1-6 
0- 9 
1- 6 
1-4 
1-2 
1-4 
I'S 
1- 7 
2- 0 
1-4 
1-3 
1-3 
10 
1-0"W 
1-3 
1- 8 
2- 2 
2-2 
20 
2-6 
1-3 
0-9 
0- 2 
10 
1- 0 
11 
11 
1-3 
1-8 
1-7 
1- 9 
2- 3 
1-9 
1-3 
1-8 
1-6 
1-5 
1-6 
1- 7 
2- 1 
2-3 
1-7 
1-5 
1-3 
1-2 
1-3 W 
1- 6 
2- 1 
2-4 
2-4 
2-1 
2-6 
1-4 
1-1 
0- 4 
1- 2 
1-3 
1-4 
1-4 
1- 6 
21 
2- 1 
2-2 
2-5 
2-1 
1- 6 
2- 1 
1-9 
1-8 
1-8 
1- 9 
2- 3 
2-6 
1-9 
1-7 
1-4 
1-6 
1-5 W 
1- 9 
2- 3 
2-5 
2-5 
2-1 
2-6 
1-3 
1-2 
Oo 
1-3 
1-4 
1-7 
1- 6 
2 0 
2- 3 
2-4 
2-4 
2-7 
2'3 
1-6 
2 1 
19 
21 
1- 9 
2- 3 
2-4 
2-8 
2 1 
1-7 
1-4 
1-8 
1- 8 W 
21 
2- 5 
2-7 
2-6 
2-2 
2-6 
1-4 
1-2 
0- 7 
1- 5 
1-7 
1-7 
1- 8 
2- 2 
2-6 
2-5 
2-5 
2-8 
2-3 
1- 6 
2- 0 
2-2 
2-3 
2-1 
2-6 
2-5 
3 0 
2'1 
1-7 
1- 5 
2- 0 
1- 9 W 
2- 3 
2-5 
2-8 
2-7 
2-2 
2-4 
1-5 
1-4 
0- 9 
1- 7 
21 
1- 8 
2- 0 
2-3 
2-6 
2-5 
2-5 
2-7 
2-1 
1- 5 
2- 0 
2-3 
2-5 
2-3 
2-8 
2-8 
3 1 
2 1 
1-7 
1- 4 
2- 1 
2-1 W 
2-6 
2 6 
2-8 
2-7 
2-1 
2 1 
1'3 
1-5 
11 
1- 8 
2- 1 
2 0 
2-2 
2-4 
2-6 
2 '5 
2 '3 
2-3 
1-9 
1- 4 
2 0 
2- 4 
2-8 
2-6 
2- 8 
3 1 
3- 3 
1-7 
1-7 
1- 5 
2- 2 
2-5 W 
2-6 
2-7 
2-6 
2-4 
1-9 
1-8 
1-2 
1-3 
1-2 
1- 9 
2- 2 
2-1 
2-4 
2-7 
2-5 
2-4 
2-0 
1-9 
1-7 
1-5 
1- 8 
2- 3 
2-6 
2-5 
2-9 
8-2 
8-4 
1-6 
1-6 
1- 5 
2- 2 
2 -5 W 
2-5 
2-7 
2-2 
2-1 
1-5 
1-4 
0- 9 
1- 1 
11 
1- 8 
2 0 
2- 1 
2-2 
2-6 
2-4 
2-1 
1-5 
1-5 
1-6 
1-5 
1-6 
1- 8 
2- 0 
2-3 
2-8 
31 
3 1 
1-2 
1'4 
1-2 
1-9 
2-4 W 
2-3 
2-5 
2 0 
1-6 
11 
0-7 
0-6 
0-8 
0- 7 
1- 5 
1- 7 
2- 0 
1'9 
2-3 
2'1 
1-9 
1-0 
0- 7 
1- 0 
1-2 
1-0 
1-7 
1- 7 
1'9 
2- 5 
2-8 
2-3 
0- 5 
1- 0 
1-0 
1'3 
1-6 W 
1-6 W 
1-7 W 
1-3 W 
0-7 W 
0-3 W 
0-1 E 
0-3 E 
0-2 W 
O'l W 
0- 8 W 
1- 0 W 
1-3 W 
1-5 W 
1-7 W 
1-2 W 
0-8 W 
0-4 W 
0-1 E 
0-3 W 
0-6 W 
0-3 W 
0- 8 W 
1- 0 W 
1-1 W 
1-9 W 
1-9 W 
1-5 W 
0-2 E 
0-4 W 
0-6 W 
0-6 W 
0-8 W 
0-3 W 
0-4 W 
0 0 
0-7 E 
0-7 E 
1'2 E 
0-9 E 
0-4 E 
0-5 E 
0-2 E 
0-2 E 
0-2 W 
0-5 W 
0-6 W 
0-2 E 
0-3 E 
0- 6 E 
1- 1 E 
0-5 E 
0-3 E 
0-3 E 
0-1 E 
0-0 
01 W 
0-5 W 
0-2 W 
0 0 
0-7 E 
0-1 E 
0 1 W 
01 E 
Mean 
1-3 W 
1-6 W 
1-8 W 
20 W 
2a W 
2-2 W 
2-2 W 
2-1 W 
1-9 W 
1-5 W 
0-8 W 
0-2 B 
The Diurnal Variation of Level at Kimberley. 307 
TABLE 1. 
Pendulum feom its Mean Position in Monthly Means. 
Noon. 

XIII. 
XIV. 
XV. 
XVI. 
XVII. 
XVIII. 
XIX. 
XX. 
XXI. 
XXII. 
xxm. 
Bange. 
0-9 E 
1-7 B 
2-4 B 
81 E 
8-6 E 
3-7 B 
2-7 E 
2-1 B 
I'OB 

0-4 E 
0-0 
0-5 W 
6"2 mm. 
1*1 
2*3 
3*1 ' 
3 '6 
4-1 
4"1 
6*7 
0-9 
2-2 
3-8 
4-1 
4 '7 
4-9 
4-0 
2-3 
1-1 B 
0-3 E 
0-5 W 
1-1 
7-6 
1-6 
2-6 
3-5 
4'1 
4-4 
4*4 
3*3 
?.? 
?'I 
l-g 
2 "7 
3 '3 
3 '6 
4-2 
4-2 
8'3 
fi-fi V 
n-i w 
n-7 w 
R Q 
1-5 
2-1 
2-5 
3'0 
3-4 
3*3 
2 "4 
1 -1 
n.n 
n-7 w 
1-1 w 
1 -Q 
5 "6 
1-9 
2*4 
2*8 
3 "2 
3"5 
3 '5 
1 -4 
n-i w 
1 -n w 
1 R 
o'^ 
1'5 
l-g 
2-2 
2 "3 
2"1 
2'0 
1-4 
1 -n 
no w 
no w 
1 ^- w 
I'O W 
a "8 
iys 
1-2 
1'6 
1-9 
2'1 
1*9 
l-g 
„ 
1*0 
3 '6 
1-1 
1"5 
1"8 
1"9 
1*9 
0-5 
0 2 E 
0'9 W 
14 W 
1"7 
3'1 
1-0 
1-5 
2 0 
2-2 
2-3 
2-3 
2-0 
1-5 
0-7 E 
0-2 E 
0-1 W 
0-4 
4-1 
1-0 
1"7 
2-2 
2-7 
3*0 
2-9 
0'9 
5*2 
0-8 
1-5 
2-3 
2-8 
3.-1 
3-3 
2-8 
1-9 
1-1 E 
0-2 E 
0-3 W 
0-8 
5-4 
0-3 
1-4 
2'3 
2-9 
8 '2 
0'7 
5-9 
0-0 
1-9 
2-6 
3-4 
41 
4-4 
3'6 
2-4 
1-4 E 
0 -5 E 
0-2 W 
0-9 
7-1 
1-2 
1'6 
2-2 
2-9 
3-5 
3-9 
4-4 
3-8 
2-3 
1-2 E 
0-3 E 
0-6 W 
1-2 
7-0 
2*3 
2-9 
3-1 
3-4 
3-6 
3-1 
2-1 
1-1 E 
0-1 E 
0-6 W 
1-3 
61 
1-4 
2-1 
2-6 
2-7 
3D 
3 1 
2-8 
1-8 
1-0 E 
0-3 E 
0-3 W 
0-8 
5-6 
19 
1-4 
2-4 
2-7 
3-0 
3-2 
3-2 
3-0 
2-2 
1-2 E 
0-2 E 
0-6 W 
1-0 
60 
2-0 
2-4 
2-8 
3-0 
3-3 
2-9 
2-2 
0-9 E 
0-1 W 
0-8 W 
1-4 
5-6 
1-0 
1-6 
1-9 
23 
2-6 
2-5 
2-1 
1-4 
0-6 B 
0-0 
0-3 W 
0-7 
4-1 
1-0 
1-5 
2-0 
2-4 
2-8 
2-9 
2-6 
2 0 
1-2 E 
0-4 E 
0-2 W 
0-6 
5-0 
1-2 
1-9 
2-4 
2-7 
2-8 
2-8 
2-6 
1-9 
1-0 E 
0-5 E 
0-2 E 
0-3 
5-2 
1-1 
2 0 
2-8 
31 
3-2 
81 
2-7 
2 0 
1-2 E 
0-7 E 
0-1 E 
0-8 
6-0 
1-3 
2-1 
2-9 
3-3 
3-5 
3-4 
2-9 
1-9 
1-0 E 
0-1 E 
0-3 W 
0-9 
60 
M 
2-4 
3-2 
3-7 
3-9 
4-0 
3-5 
2-6 
1-7 E 
0-8 E 
0-2 E 
0-5 
6-9 
1-4 
2-9 
3-7 
4-5 
6'0 
4-8 
8-8 
2-5 
1-4 E 
0-3 E 
0-8 W 
1-7 
8-2 
1-5 
2-9 
3-7 
4-3 
4-8 
4-5 
3-8 
2 '8 
1-6 E 
0'6 E 
0-4 W 
10 
8-2 
1-2 
1-6 
21 
2-4 
2-6 
2-3 
2 0 
1-S 
0-8 E 
0-4 E 
0'2 W 
0-7 
4-6 
0-6 
1-1 
IS 
1-9 
2-3 
2-4 
2 '2 
1-S 
1-0 E 
0-5 E 
0-1 E 
0-4 
4-1 
0-6 
1-2 
1-5 
1-8 
2-0 
2-8 
2-2 
1-8 
1-1 B 
0-3 B 
0-2 W 
0-7 
3-8 
0-8 
1-5 
1-9 
2-4 
2-7 
2-7 
2-5 
20 
1-2 B 
0-6 E 
0-0 
0-6 
4-9 
1-2 E 
1'9B 
2-5 E 
3-0 E 
3-3 E 
3-3 E 
2-7 E 
10 E 
0-9 E 
0-2 E 
0-3 W 
1-0 W 
5-5 mm. 
