Sunspot Data
Wolfer sunspot numbers (measure average number of sunspots on sun during
a year) for each year during the period 1770-1869 (so 100 values in all,
ordered by year).
101
82
66
35
31
7
20
92
154
125
85
68
38
23
10
24
83
132
131
118
90
67
60
47
41
21
16
6
4
7
14
34
45
43
48
42
28
10
8
2
0
1
5
12
14
35
46
41
30
24
16
7
4
2
8
17
36
50
62
67
71
48
28
8
13
57
122
138
103
86
63
37
24
11
15
40
62
98
124
96
66
64
54
39
21
7
4
23
55
94
96
77
59
44
47
30
16
7
37
74