58 Transactions of the Royal Society of South Africa. 
Table I — Six-foot Earth Temperatures at Kimberley and corresponding 
Sunspot Numbers. 
Sunspot 
month. 
Earth 
temperature 
month. 
Sunspot numbers below 30. 
Sunspot numbers above 30. 
Mean of 
numbers. 
Times. 
Earth tem- 
peratures. 
Mean of 
numbers. 
Times. 
Earth tem- 
peratures. 
December . 
January . 
5-8 
9 
76 '6 1 . 
552 
10 
*7Ci . OOT71 
January . 
February . 
8-4 
10 
74-5 
57-9 
9 
735 
February . 
March " . 
8-0 
9 
740 
56-3 
10 
73-6 
March 
April 
10-5 
10 
72-0 
606 
9 
72-0 
April . 
May . 
10-0 
9 
694 
53-6 
10 
69-0 
May 
June . 
9-3 
9 
65-6 
561 
10 
65-2 
June . 
July . 
8-8 
10 
62-3 
621 
9 
62-6 
July . 
August 
73 
9 
615 
69-7 
10 
615 
August 
September 
8-3 
10 
62-5 
72-2 
9 
62-5 
September 
October . 
9-0 
9 
65-0 
63-3 
10 
65-0 
October 
November 
8-6 
8 
67-9 
576 
11 
67-6 
November 
December 
5-7 
8 
70-7 
58-9 
11 
703 
Summer half . 
7-6 
53 
70-9 
58-2 
61 
70-4 
Winter half 
90 
57 
65-6 
624 
57 
65-5 
Year . 
9-0 
68-2 
59 1 
67-9 
Table II. — 1*7 '-metre Earth Temperatures at Cordoba and corresponding 
Sunspot Numbers. 
Sunspot 
month. 
Earth 
temperature 
month. 
Sunspot numbers below 30. 
Sunspot numbers above 30. 
Mean of 
numbers. 
Times. 
Earth tem- 
peratures. 
Mean of 
numbers. 
Times. 
Earth tem- 
peratures. 
December . 
January . 
110 
7 
20-08°C. 
58-0 
7 
18-93°C. 
January . 
February . 
126 
8 
20-67 
60-2 
6 
19-55 
February . 
March * . 
130 
8 
20-72 
65-7 
6 
19-66 
March 
April . 
11-3 
8 
19-94 
53-2 
6 
18-89 
April . 
May . 
104 
8 
18-56 
65-2 
6 
18-00 
May . 
June . 
145 
9 
16-97 
74-8 
5 
1616 
June . 
July . 
121 
8 
15-55 
72-0 
6 
14-95 
July 
August 
133 
8 
14-97 
70-5 
6 
14-47 
August 
September 
13-7 
8 
15-34 
72-4 
6 
1412 
September 
October . 
9-4 
6 
1607 
57-8 
8 
1510 
October . 
November 
11-3 
8 
1723 
63-3 
6 
15-71 
November 
December 
69 
7 
18-83 
50-7 
7 
17-44 
Summer half . 
10-7 
44 
18-93 
59-3 
40 
17-73 
Winter half . 
125 
48 
16-89 
68-0 
35 
1610 
Year . 
13-5 
17-82 
62-9 
16-91 
