Common
Animals
Fish
Mushrooms
Flora
Login
Registration
Back

Daily Sun Spot Data (1818 to 2019)
Register and receive a token to access the API. The token will be available in your personal account.
csv xlsx
date of update: 2024-08-31 10:15:05
quantity: 73718
Year Month Day Date In Fraction Of Year Number of Sunspots Standard Deviation Observations Indicator
1819
5
16 1819.371
42
8.2
1
1
1819
5
17 1819.374
43
8.3
1
1
1819
5
18 1819.3770000
33
7.3
1
1
1819
5
19 1819.379
22
5.9
1
1
1819
5
20 1819.382
53
9.3
1
1
1819
5
21 1819.385
68
10.5
1
1
1819
5
22 1819.388
55
9.4
1
1
1819
5
23 1819.39
67
10.3
1
1
1819
5
24 1819.3929999
52
9.1
1
1
1819
5
25 1819.396
50
9.0
1
1
1819
5
26 1819.399
72
10.7
1
1
1819
5
27 1819.401
75
11.0
1
1
1819
5
28 1819.404
83
11.6
1
1
1819
5
29 1819.4070000
67
10.3
1
1
1819
5
30 1819.41
58
9.7
1
1
1819
5
31 1819.412
43
8.3
1
1
1819
6
1 1819.415
30
6.9
1
1
1819
6
2 1819.418
22
5.9
1
1
1819
6
3 1819.421
28
6.7
1
1
1819
6
4 1819.4229999
38
7.8
1
1
1819
6
5 1819.4260000
58
9.7
1
1
1819
6
6 1819.4289999
58
9.7
1
1
1819
6
7 1819.432
-1
-1.0
0
1
1819
6
8 1819.434
50
9.0
1
1
1819
6
9 1819.4370000
22
5.9
1
1
1819
6
10 1819.44
28
6.7
1
1
1819
6
11 1819.442
75
11.0
1
1
1819
6
12 1819.445
-1
-1.0
0
1
1819
6
13 1819.4479999
47
8.7
1
1
1819
6
14 1819.451
48
8.8
1
1
1819
6
15 1819.453
73
10.8
1
1
1819
6
16 1819.4560000
67
10.3
1
1
1819
6
17 1819.4589999
-1
-1.0
0
1
1819
6
18 1819.4620000
93
12.2
1
1
1819
6
19 1819.464
-1
-1.0
0
1
1819
6
20 1819.467
118
13.8
1
1
1819
6
21 1819.47
105
13.0
1
1
1819
6
22 1819.473
117
13.7
1
1
1819
6
23 1819.475
-1
-1.0
0
1
1819
6
24 1819.4779999
-1
-1.0
0
1
1819
6
25 1819.481
77
11.1
1
1
1819
6
26 1819.484
37
7.7
1
1
1819
6
27 1819.486
37
7.7
1
1
1819
6
28 1819.489
32
7.1
1
1
1819
6
29 1819.4920000
80
11.3
1
1
1819
6
30 1819.495
-1
-1.0
0
1
1819
7
1 1819.497
-1
-1.0
0
1
1819
7
2 1819.5
-1
-1.0
0
1
1819
7
3 1819.503
95
12.3
1
1
1819
7
4 1819.505
57
9.5
1
1
1819
7
5 1819.5079999
72
10.7
1
1
1819
7
6 1819.511
-1
-1.0
0
1
1819
7
7 1819.514
-1
-1.0
0
1
1819
7
8 1819.516
48
8.8
1
1
1819
7
9 1819.519
-1
-1.0
0
1
1819
7
10 1819.5220000
42
8.2
1
1
1819
7
11 1819.525
45
8.5
1
1
1819
7
12 1819.527
-1
-1.0
0
1
1819
7
13 1819.53
-1
-1.0
0
1
1819
7
14 1819.533
-1
-1.0
0
1
1819
7
15 1819.536
-1
-1.0
0
1
1819
7
16 1819.5379999
50
9.0
1
1
1819
7
17 1819.5410000
-1
-1.0
0
1
1819
7
18 1819.5439999
162
16.1
1
1
1819
7
19 1819.547
-1
-1.0
0
1
1819
7
20 1819.549
-1
-1.0
0
1
1819
7
21 1819.5520000
-1
-1.0
0
1
1819
7
22 1819.555
-1
-1.0
0
1
1819
7
23 1819.558
-1
-1.0
0
1
1819
7
24 1819.56
-1
-1.0
0
1
1819
7
25 1819.5629999
27
6.5
1
1
1819
7
26 1819.566
52
9.1
1
1
1819
7
27 1819.568
30
6.9
1
1
1819
7
28 1819.5710000
28
6.7
1
1
1819
7
29 1819.5739999
27
6.5
1
1
1819
7
30 1819.5770000
17
5.2
1
1
1819
7
31 1819.579
35
7.5
1
1
1819
8
1 1819.582
65
10.2
1
1
1819
8
2 1819.585
100
12.7
1
1
1819
8
3 1819.588
93
12.2
1
1
1819
8
4 1819.59
-1
-1.0
0
1
1819
8
5 1819.5929999
-1
-1.0
0
1
1819
8
6 1819.596
-1
-1.0
0
1
1819
8
7 1819.599
-1
-1.0
0
1
1819
8
8 1819.601
110
13.3
1
1
1819
8
9 1819.604
80
11.3
1
1
1819
8
10 1819.6070000
-1
-1.0
0
1
1819
8
11 1819.61
53
9.3
1
1
1819
8
12 1819.612
53
9.3
1
1
1819
8
13 1819.615
55
9.4
1
1
1819
8
14 1819.618
-1
-1.0
0
1
1819
8
15 1819.621
32
7.1
1
1
1819
8
16 1819.6229999
38
7.8
1
1
1819
8
17 1819.626
52
9.1
1
1
1819
8
18 1819.629
-1
-1.0
0
1
1819
8
19 1819.632
25
6.3
1
1
1819
8
20 1819.634
0
2.0
1
1
1819
8
21 1819.6370000
0
2.0
1
1
1819
8
22 1819.64
0
2.0
1
1
1819
8
23 1819.642
0
2.0
1
1